CN107014861A - A kind of finned tube testing device for heat transferring performance of single - Google Patents
A kind of finned tube testing device for heat transferring performance of single Download PDFInfo
- Publication number
- CN107014861A CN107014861A CN201710267022.8A CN201710267022A CN107014861A CN 107014861 A CN107014861 A CN 107014861A CN 201710267022 A CN201710267022 A CN 201710267022A CN 107014861 A CN107014861 A CN 107014861A
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- air
- steam
- section
- finned tube
- testing device
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- 238000012360 testing method Methods 0.000 title claims abstract description 29
- 239000007788 liquid Substances 0.000 claims abstract description 28
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims abstract description 7
- 238000005485 electric heating Methods 0.000 claims abstract description 7
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 7
- 239000010703 silicon Substances 0.000 claims abstract description 7
- 238000000926 separation method Methods 0.000 claims abstract description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 5
- 238000012546 transfer Methods 0.000 abstract description 8
- 238000005259 measurement Methods 0.000 description 6
- 229920006395 saturated elastomer Polymers 0.000 description 4
- 238000011161 development Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 230000008676 import Effects 0.000 description 2
- 238000012356 Product development Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 238000003303 reheating Methods 0.000 description 1
- 239000002918 waste heat Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N25/00—Investigating or analyzing materials by the use of thermal means
- G01N25/20—Investigating or analyzing materials by the use of thermal means by investigating the development of heat, i.e. calorimetry, e.g. by measuring specific heat, by measuring thermal conductivity
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- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
A kind of finned tube testing device for heat transferring performance of single, the test device is divided into vapour system and air system；Vapour system is connected in sequence by controllable silicon regulator, electric heating steam generator, steam-water separation storage tank, steam superheater, steam inlet measuring section, heat exchange test section, condensate liquid measuring tank and magnetic valve；Air system is connected in sequence by aerial cooler, air heater, air intlet thermometric section, heat exchange test section, air outlet slit thermometric section, measuring wind speed section, air-introduced machine.The present invention can carry out air cooler and be tested with the heat transfer property that medium in the pipe of finned tube single tube is steam, the outer medium of pipe is air, and the device maximum air flow amount is up to 3000m3/ h, steam pressure is up to 0.8MPa, and the problem of solving domestic no finned tube testing device for heat transferring performance at present fills the domestic gaps.
Description
Technical field
The present invention relates to various types of finned tube testing device for heat transferring performance of single.
Background technology
Finned tube is the core parts of air cooler, with the development of science and technology with the continuous reduction of the energy, awareness of saving energy
Continuous improvement, the development and utilization of energy-conserving product is also more and more to cause everybody attention, especially waste heat recovery and sharp again
One of with, the key areas as current and future national development, the staple product in air cooler exactly this field, it is therefore, empty
The application of cooler is more and more extensive.As national drilling refining device Quality Supervision and Inspection Center, we have built experiment dress
Put, the device was set up the project from 2011, is lasted 4 years and is built up, will be China's air cooler industry new-product development, design, performance test
One platform for examining detection is provided, promotes developing for air cooler industry, state's internally finned tube heat transfer property test has been filled up
Blank.
The content of the invention
The present invention provides the adjustable range of a kind of finned tube testing device for heat transferring performance of single, air mass flow and steam flow
Greatly, control measurement accuracy is high.
Therefore, the technical solution adopted by the present invention is：
A kind of finned tube testing device for heat transferring performance of single, the test device is divided into vapour system and air system；Vapour system
By controllable silicon regulator, electric heating steam generator, steam-water separation storage tank, steam superheater, steam inlet measuring section, heat exchange
Test section, condensate liquid measuring tank and magnetic valve are connected in sequence；Air system is by aerial cooler, air heater, air
Import thermometric section, heat exchange test section, air outlet slit thermometric section, measuring wind speed section, air-introduced machine are connected in sequence.
Air-introduced machine is adjusted the air mass flow for controlling air-introduced machine by frequency converter.
Liquid level gauge is configured on the condensate liquid measuring tank；The liquid level gauge and the electromagnetic valve linking.
The present invention can to various types of finned tube single tubes carry out heat transfer property test, both air flow modulation scope be 0~
3000m3/ h, the electric machine frequency of blower fan 15 is adjusted by frequency converter 16, realizes the regulation control of air mass flow；Steam pressure is adjusted
Scope is 0~0.8 MPa, and the heated current of electric heating steam generator 2 is adjusted by controllable silicon 1, the tune of steam pressure is realized
Section control.Air mass flow and the adjustable range of steam flow are big, and control measurement accuracy is high.
The present invention can carry out the heat transfer property test that medium in finned tube single tube is steam, the outer medium of pipe is air.
Brief description of the drawings
Fig. 1 is flowage structure schematic block diagram of the present invention.
Embodiment
The present invention and its effect are further illustrated below in conjunction with the accompanying drawings.
A kind of reference picture 1, finned tube testing device for heat transferring performance of single, test device is divided into vapour system and air system
System；Vapour system is entered by controllable silicon regulator 1, electric heating steam generator 2, steam-water separation storage tank 3, steam superheater 4, steam
Mouth measuring section 5, heat exchange test section 6, condensate liquid measuring tank 7 and magnetic valve 9 are connected in sequence；Air system is cooled down by air
Device 10, air heater 11, air intlet thermometric section 12, heat exchange test section 6, air outlet slit thermometric section 13, measuring wind speed section
14th, air-introduced machine 15 is connected in sequence.
Air-introduced machine 15 is adjusted the air mass flow of control air-introduced machine 15 by frequency converter 16.
Liquid level gauge 8 is configured on the condensate liquid measuring tank 7；The liquid level gauge 8 and the magnetic valve 9 link, and realize condensation
The automatic gauge of liquid measure.Specially：When system mode is stable, starts to measure condensate liquid, close magnetic valve 9, read department of computer science
System time and the liquid level of liquid level gauge 8, metering terminate, and read the liquid level of computer system time and liquid level gauge 8, open magnetic valve 9
Condensate liquid is discharged, by the liquid level difference of meter period and liquid level gauge 8, condensing liquid quantity is calculated.
Illustrate the course of work of the present invention below：
1. vapour system
The control parameter of controllable silicon regulator 1 is set, controllable silicon regulator 1 controls the electric heating tube of electric heating steam generator 2
Electric current, the stable saturated vapor of generation, the moisture that the saturated vapor is entered in steam-water separation storage tank 3, separate vapour by pipeline,
Steam after separation enters steam superheater 4, reheating steam, it is ensured that experiment is dry saturated steam with steam.Dry saturated steam enters
Enter vapour survey section 5, the temperature ts1 and pressure transmitter measurement steam pressure ps1 of steam are measured using temperature transmitter, it
Afterwards, steam enters heat exchange test section 6, by finned tube pipe, carrying out heat transfer with air outside pipe and exchanging, the condensate liquid of generation,
Condensate liquid measuring tank 7 is flowed into, condensing liquid quantity Gm is measured using electronic liquid level gauge 8, condensate temperature is measured using temperature transmitter
ts2。
Vapor (steam) temperature ts1, steam pressure ps1, tetra- measurement data of condensing liquid quantity Gm and condensate temperature ts2 are uploaded and calculated
Machine, calculates steam side thermic load.
2. air system：
Blower fan uses induced air type blower fan 15, and air enters air channel by aerial cooler 10, added by aerial cooler 10 and air
The coordinated signals of hot device 11, it is ensured that the air themperature for entering heat exchange test section 6 is stable, afterwards, air inlet import thermometric section
12, measure temperature of inlet air ta1, subsequently into the finned tube pipe of heat exchange test section 6 outside, with pipe steam carry out heat transfer friendship
Change, export thermometric section 13 by finned tube air inlet, measure air exit temp ta2, to measuring wind speed section 14, pass through wind speed
The air velocity transducer of measuring section 14, measurement is finally discharged by the wind speed Va in air channel via blower fan 15.
Temperature of inlet air ta1, air exit temp ta2 and tri- measurement data of wind speed Va upload computer, calculate
Air side thermic load.
According to steam side thermic load and the heat transfer coefficient of air side calculation of Heat Load finned tube, finally provide heat transfer coefficient with
The calculation relational expression of wind speed.
Claims (3)
1. a kind of finned tube testing device for heat transferring performance of single, it is characterised in that：The test device is divided into vapour system and air
System；Vapour system is by controllable silicon regulator (1), electric heating steam generator (2), steam-water separation storage tank (3), steam superheater
(4), steam inlet measuring section (5), heat exchange test section (6), condensate liquid measuring tank (7) and magnetic valve (9) are connected in sequence；
Air system is by aerial cooler (10), air heater (11), air intlet thermometric section (12), heat exchange test section (6), sky
Gas outlet thermometric section (13), measuring wind speed section (14), air-introduced machine (15) are connected in sequence.
2. a kind of finned tube testing device for heat transferring performance of single according to claim 1, it is characterised in that：Blower fan (15)
The air mass flow of control blower fan (15) is adjusted by frequency converter (16).
3. a kind of finned tube testing device for heat transferring performance of single according to claim 1, it is characterised in that：The condensate liquid
Liquid level gauge (8) is configured on measuring tank (7)；The liquid level gauge (8) and the magnetic valve (9) linkage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710267022.8A CN107014861A (en) | 2017-04-21 | 2017-04-21 | A kind of finned tube testing device for heat transferring performance of single |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710267022.8A CN107014861A (en) | 2017-04-21 | 2017-04-21 | A kind of finned tube testing device for heat transferring performance of single |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107014861A true CN107014861A (en) | 2017-08-04 |
Family
ID=59447104
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710267022.8A Pending CN107014861A (en) | 2017-04-21 | 2017-04-21 | A kind of finned tube testing device for heat transferring performance of single |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107014861A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109001249A (en) * | 2018-06-29 | 2018-12-14 | 上海市特种设备监督检验技术研究院 | A kind of device for evaluating augmentation of heat transfer pipe in-tube condensation characteristic |
| CN109975050A (en) * | 2019-04-08 | 2019-07-05 | 杭州中泰深冷技术股份有限公司 | A kind of flowing of plate-fin heat exchanger and testing device for heat transferring performance and its method |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2244710Y (en) * | 1995-10-20 | 1997-01-08 | 李东升 | Air condensing cooler for alcohol vapour |
| CN201583155U (en) * | 2009-07-16 | 2010-09-15 | 李宁 | Steam exhaust air condenser for steam turbine |
| CN102135511A (en) * | 2010-12-29 | 2011-07-27 | 浙江银轮机械股份有限公司 | Method and device for testing heat transfer performance of fin surface of plate-fin heat exchanger |
| CN203518660U (en) * | 2013-10-22 | 2014-04-02 | 甘肃蓝科石化高新装备股份有限公司 | All-aluminum air cooler |
| CN104407008A (en) * | 2014-11-19 | 2015-03-11 | 华东理工大学 | Test system for evaluating local condensing heat transfer performance of mixed steam |
| CN105276560A (en) * | 2014-06-25 | 2016-01-27 | 中国石油大学(北京) | Steam generator capable of adjusting pressure and temperature |
-
2017
- 2017-04-21 CN CN201710267022.8A patent/CN107014861A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2244710Y (en) * | 1995-10-20 | 1997-01-08 | 李东升 | Air condensing cooler for alcohol vapour |
| CN201583155U (en) * | 2009-07-16 | 2010-09-15 | 李宁 | Steam exhaust air condenser for steam turbine |
| CN102135511A (en) * | 2010-12-29 | 2011-07-27 | 浙江银轮机械股份有限公司 | Method and device for testing heat transfer performance of fin surface of plate-fin heat exchanger |
| CN203518660U (en) * | 2013-10-22 | 2014-04-02 | 甘肃蓝科石化高新装备股份有限公司 | All-aluminum air cooler |
| CN105276560A (en) * | 2014-06-25 | 2016-01-27 | 中国石油大学(北京) | Steam generator capable of adjusting pressure and temperature |
| CN104407008A (en) * | 2014-11-19 | 2015-03-11 | 华东理工大学 | Test system for evaluating local condensing heat transfer performance of mixed steam |
Non-Patent Citations (1)
| Title |
|---|
| 徐建民 等: "翅片管单管传热性能测试分析与评价", 《化工装备技术》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109001249A (en) * | 2018-06-29 | 2018-12-14 | 上海市特种设备监督检验技术研究院 | A kind of device for evaluating augmentation of heat transfer pipe in-tube condensation characteristic |
| CN109975050A (en) * | 2019-04-08 | 2019-07-05 | 杭州中泰深冷技术股份有限公司 | A kind of flowing of plate-fin heat exchanger and testing device for heat transferring performance and its method |
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Application publication date: 20170804 |