CN104568490A - Oil circulation system for heat exchanger performance test - Google Patents
Oil circulation system for heat exchanger performance test Download PDFInfo
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- CN104568490A CN104568490A CN201510013091.7A CN201510013091A CN104568490A CN 104568490 A CN104568490 A CN 104568490A CN 201510013091 A CN201510013091 A CN 201510013091A CN 104568490 A CN104568490 A CN 104568490A
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- heat exchanger
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Abstract
The invention discloses an oil circulation system for a heat exchanger performance test. The oil circulation system comprises an upper oil tank, a variable frequency regulation oil pump, a lower oil tank, a heating device, a mass flowmeter and a test specimen, an oil delivering pipe and an oil return pipeline are connected between the upper oil tank and the lower oil tank, the oil delivering pipeline is provided with a small oil pump, the upper oil tank is connected with the variable frequency regulation oil pump through a first pipeline, the variable frequency regulation oil pump is connected with a heating device, an inlet and an outlet of the test specimen are connected with an oil feeding pipeline and an oil discharging pipeline respectively, the oil feeding pipeline is connected with the heating device, the oil discharging pipeline is provided with the mass flowmeter arranged in the oil return pipeline in a connected mode, an oil draining pipeline is arranged between the oil discharging pipeline and the lower oil tank and between the heating device and the lower oil tank, the oil draining pipeline is provided with an exhaust valve and a glass sight-glass tube, and the oil discharging pipeline is connected with a compressed air oil expelling pipeline. The oil circulation system is simple in structure, low in cost, capable of reducing oil losses and high in test precision.
Description
Technical field
The present invention relates to heat exchanger performance measuring technology, particularly relate to a kind of oil circulating system for heat exchanger performance test.
Background technology
Heat exchanger performance test is the important step of heat exchanger product design and development and quality control, and oil circulating system is used to the oily effluent amount of heat exchanger, out temperature and pressure reduction and carries out performance test.At present, existing oil circulating system ubiquity complex structure, the shortcoming that cost is high and measuring accuracy is low, and after off-test, in testpieces, often remain more conduction oil, cause larger oily loss.
Summary of the invention
The object of the present invention is to provide a kind of oil circulating system for heat exchanger performance test, it has the advantages that structure is simple, cost is low and measuring accuracy is high.To solve the problems referred to above for the oil circulating system existence of heat exchanger performance test in prior art.
For reaching this object, the present invention by the following technical solutions:
A kind of oil circulating system for heat exchanger performance test, it comprises top tank, variable frequency adjustment oil pump, lower fuel tank, heating arrangement, mass flowmeter and testpieces, wherein, described top tank is arranged at the top of described lower fuel tank, be connected with between the two and send oil-piping and oil returning tube, described sending on oil-piping is provided with little oil pump, described top tank connects variable frequency adjustment oil pump by the first pipeline, described variable frequency adjustment oil pump connects heating arrangement, entering of described testpieces, outlet is respectively arranged with inflow pipeline and flowline, described inflow pipeline connects heating arrangement, described flowline is provided with mass flowmeter access oil returning tube, described flowline and be provided with delivery pipeline between heating arrangement and lower fuel tank, described delivery pipeline is provided with vent valve and glass detector tube, described flowline accesses the pressurized air be connected with described delivery pipeline and catch up with oil pipeline.
Especially, the import and export of described testpieces is provided with measuring section, described measuring section is provided with thermometer and differential pressure pickup.
Especially, described first pipeline is provided with filtrator between described top tank and variable frequency adjustment oil pump.
Especially, described heating arrangement adopts power to be the electric heater of 210KW ~ 220KW.
Especially, described top tank adopts oil expansion tank.
Especially, described measuring section is connected with the import and export of testpieces by flexible corrugation connecting pipe, and described corrugated connecting tube is provided with spherical articulation.
Especially, described testpieces and heating arrangement are all arranged at the top of described lower fuel tank.
Beneficial effect of the present invention is, compared with prior art not only structure is simple, cost is low for the described oil circulating system for heat exchanger performance test; And have additional delivery pipeline, driven out of by conduction oil residual in heating arrangement and testpieces by pressurized air, decrease oily loss, measuring accuracy is high.
Accompanying drawing explanation
Fig. 1 is the structural representation of the oil circulating system for heat exchanger performance test that the specific embodiment of the invention 1 provides.
In figure:
1, top tank; 2, variable frequency adjustment oil pump; 3, lower fuel tank; 4, electric heater; 5, mass flowmeter; 6, testpieces; 7, oil-piping is sent; 8, oil returning tube; 9, little oil pump; 10, the first pipeline; 11, inflow pipeline; 12, flowline; 13, delivery pipeline; 14, glass detector tube; 15, pressurized air catches up with oil pipeline; 16, measuring section; 17, platinum-resistance thermometer; 18, differential pressure pickup; 19, filtrator.
Embodiment
Technical scheme of the present invention is further illustrated by embodiment below in conjunction with accompanying drawing.
Refer to shown in Fig. 1, Fig. 1 is the structural representation of the oil circulating system for heat exchanger performance test that the specific embodiment of the invention 1 provides.
In the present embodiment, a kind of oil circulating system for heat exchanger performance test comprises top tank 1, variable frequency adjustment oil pump 2, lower fuel tank 3, electric heater 4, mass flowmeter 5 and testpieces 6, wherein, described top tank 1 is arranged at the top of described lower fuel tank 3, be connected with between the two and send oil-piping 7 and oil returning tube 8, described sending on oil-piping 7 is provided with little oil pump 9, described top tank 1 connects variable frequency adjustment oil pump 2 by the first pipeline 10, described variable frequency adjustment oil pump 2 connects electric heater 4, the power of described electric heater 4 is 210KW, entering of described testpieces 6, outlet is respectively arranged with inflow pipeline 11 and flowline 12, described inflow pipeline 11 connects electric heater 4, described flowline 12 is provided with mass flowmeter 5 and accesses oil returning tube 8, described flowline 12 and be provided with delivery pipeline 13 between electric heater 4 and lower fuel tank 3, described delivery pipeline 13 is provided with vent valve and glass detector tube 14, described flowline 12 accesses the pressurized air be connected with described delivery pipeline 13 and catch up with oil pipeline 15, during off-test dismounting adapter, pressurized air is caught up with in oil pipeline 15 and is passed into pressurized air, pressurized air is connected with electric heater 4 with testpieces 6 by flowline 12, by testpieces 6, electric heater 4 and the interior residual conduction oil of pipeline are driven out of and are flowed in lower fuel tank 3, to reduce the conduction oil loss in process of the test as far as possible.
The import and export of described testpieces 5 is provided with measuring section 16, described measuring section 16 is provided with platinum-resistance thermometer 17 and differential pressure pickup 18, platinum-resistance thermometer 17 and differential pressure pickup 18 transmit signals to data collecting instrument, described measuring section 16 is connected with system by flexible corrugation connecting pipe, described corrugated connecting tube is provided with spherical articulation, can ensures that the testpieces interface of diverse location was connected with the universal of adapter.
Described first pipeline 10 is provided with filtrator 19 between described top tank 1 and variable frequency adjustment oil pump 2.
Described top tank 1 adopts oil expansion tank, for variable frequency adjustment oil pump 2 provides positive suction pressure, and holds or supplements the expansion and contraction that cause because cold and hot temperature is different.
Above embodiment has just set forth ultimate principle of the present invention and characteristic; the present invention does not limit by above-mentioned example; without departing from the spirit and scope of the present invention, the present invention also has various change and change, and these changes and change all fall in the claimed scope of the invention.Application claims protection domain is defined by appending claims and equivalent thereof.
Claims (7)
1. the oil circulating system for heat exchanger performance test, it comprises top tank, variable frequency adjustment oil pump, lower fuel tank, heating arrangement, mass flowmeter and testpieces, it is characterized in that, described top tank is arranged at the top of described lower fuel tank, be connected with between the two and send oil-piping and oil returning tube, described sending on oil-piping is provided with little oil pump, described top tank connects variable frequency adjustment oil pump by the first pipeline, described variable frequency adjustment oil pump connects heating arrangement, entering of described testpieces, outlet is respectively arranged with inflow pipeline and flowline, described inflow pipeline connects heating arrangement, described flowline is provided with mass flowmeter access oil returning tube, described flowline and be provided with delivery pipeline between heating arrangement and lower fuel tank, described delivery pipeline is provided with vent valve and glass detector tube, described flowline accesses the pressurized air be connected with described delivery pipeline and catch up with oil pipeline.
2. the oil circulating system for heat exchanger performance test according to claim 1, it is characterized in that, the import and export of described testpieces is provided with measuring section, described measuring section is provided with thermometer and differential pressure pickup.
3. the oil circulating system for heat exchanger performance test according to claim 1 and 2, is characterized in that, described first pipeline is provided with filtrator between described top tank and variable frequency adjustment oil pump.
4. the oil circulating system for heat exchanger performance test according to claim 1, is characterized in that, described heating arrangement adopts power to be the electric heater of 210KW ~ 220KW.
5. the oil circulating system for heat exchanger performance test according to claim 1, is characterized in that, described top tank adopts oil expansion tank.
6. the oil circulating system for heat exchanger performance test according to claim 2, is characterized in that, described measuring section is connected with the import and export of testpieces by flexible corrugation connecting pipe, and described corrugated connecting tube is provided with spherical articulation.
7. the oil circulating system for heat exchanger performance test according to claim 1, it is characterized in that, described testpieces and heating arrangement are all arranged at the top of described lower fuel tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510013091.7A CN104568490A (en) | 2015-01-09 | 2015-01-09 | Oil circulation system for heat exchanger performance test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510013091.7A CN104568490A (en) | 2015-01-09 | 2015-01-09 | Oil circulation system for heat exchanger performance test |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104568490A true CN104568490A (en) | 2015-04-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510013091.7A Pending CN104568490A (en) | 2015-01-09 | 2015-01-09 | Oil circulation system for heat exchanger performance test |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106872197A (en) * | 2017-01-11 | 2017-06-20 | 广州大华德盛热管理科技股份有限公司 | A kind of performance testing device of heat exchanger and method of testing |
Citations (7)
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| JPH11351209A (en) * | 1998-06-09 | 1999-12-24 | Toshiba Eng Co Ltd | High pressure ehc control oil device |
| US20060156820A1 (en) * | 1997-10-09 | 2006-07-20 | Jones Gregory M | Measurement and control of asphaltene agglomeration in hydrocarbon liquids |
| CN101261195A (en) * | 2008-04-23 | 2008-09-10 | 无锡市冠云换热器有限公司 | Heat exchanger performance test stand |
| CN103306968A (en) * | 2013-07-08 | 2013-09-18 | 株洲市荣达铁路机电有限公司 | Transformer oil pump testing device and testing method thereof |
| CN104155100A (en) * | 2014-06-30 | 2014-11-19 | 南京创贝高速传动机械有限公司 | Outer lubricating oil system for constant loading test stand and application method thereof |
| CN204043940U (en) * | 2014-08-12 | 2014-12-24 | 天津格特斯检测设备技术开发有限公司 | A kind of radiator cold thermal cycling test system |
| CN204461775U (en) * | 2015-01-09 | 2015-07-08 | 无锡佳龙换热器股份有限公司 | A kind of oil circulating system for heat exchanger performance test |
-
2015
- 2015-01-09 CN CN201510013091.7A patent/CN104568490A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060156820A1 (en) * | 1997-10-09 | 2006-07-20 | Jones Gregory M | Measurement and control of asphaltene agglomeration in hydrocarbon liquids |
| JPH11351209A (en) * | 1998-06-09 | 1999-12-24 | Toshiba Eng Co Ltd | High pressure ehc control oil device |
| CN101261195A (en) * | 2008-04-23 | 2008-09-10 | 无锡市冠云换热器有限公司 | Heat exchanger performance test stand |
| CN103306968A (en) * | 2013-07-08 | 2013-09-18 | 株洲市荣达铁路机电有限公司 | Transformer oil pump testing device and testing method thereof |
| CN104155100A (en) * | 2014-06-30 | 2014-11-19 | 南京创贝高速传动机械有限公司 | Outer lubricating oil system for constant loading test stand and application method thereof |
| CN204043940U (en) * | 2014-08-12 | 2014-12-24 | 天津格特斯检测设备技术开发有限公司 | A kind of radiator cold thermal cycling test system |
| CN204461775U (en) * | 2015-01-09 | 2015-07-08 | 无锡佳龙换热器股份有限公司 | A kind of oil circulating system for heat exchanger performance test |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106872197A (en) * | 2017-01-11 | 2017-06-20 | 广州大华德盛热管理科技股份有限公司 | A kind of performance testing device of heat exchanger and method of testing |
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Application publication date: 20150429 |