CN111781118A - Gas turbine air inlet filter filtering performance field test device and working method thereof - Google Patents
Gas turbine air inlet filter filtering performance field test device and working method thereof Download PDFInfo
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- CN111781118A CN111781118A CN202010417615.XA CN202010417615A CN111781118A CN 111781118 A CN111781118 A CN 111781118A CN 202010417615 A CN202010417615 A CN 202010417615A CN 111781118 A CN111781118 A CN 111781118A
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- 238000012360 testing method Methods 0.000 title claims abstract description 40
- 238000001914 filtration Methods 0.000 title claims abstract description 18
- 238000000034 method Methods 0.000 title abstract description 7
- 239000002245 particle Substances 0.000 claims abstract description 11
- 239000000428 dust Substances 0.000 claims abstract description 7
- 238000011017 operating method Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 description 4
- 230000007613 environmental effect Effects 0.000 description 2
- 238000009533 lab test Methods 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000003749 cleanliness Effects 0.000 description 1
- 230000007547 defect Effects 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
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
- G01N15/08—Investigating permeability, pore-volume, or surface area of porous materials
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
- G01N15/08—Investigating permeability, pore-volume, or surface area of porous materials
- G01N2015/084—Testing filters
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- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
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- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
- Testing Resistance To Weather, Investigating Materials By Mechanical Methods (AREA)
Abstract
The invention discloses a field test device for the filtering performance of an air inlet filter of a gas turbine and a working method thereof, which are used for carrying out field test on the filtering performance of the air inlet filter of the gas turbine. During testing, wind enters from the rain cover and sequentially passes through the air inlet section, the testing section and the air exhaust section, the tested filter is installed in the testing section, the dust concentration in the air before and after the tested filter is measured through the particle counter, and the field testing result of the filter is obtained by calculating the testing data. The invention has simple structure and is suitable for the field test of the filtering performance of the gas inlet filter of the gas turbine.
Description
Technical Field
The invention relates to the field of gas turbines, in particular to a field testing device for the filtering performance of an air inlet filter of a gas turbine and a working method thereof.
Background
In the prior art, the performance test of the gas turbine intake filter is usually carried out in a laboratory, the grade of the filter is also determined by the laboratory test result, but the environmental condition of the laboratory test is greatly different from the environmental condition of the actual use of the filter, so the problem that the field use effect of the filter is not consistent with the laboratory detection result often occurs. The air cleanliness after filtration has great influence on the economy and the safety of the gas turbine, so how to effectively estimate the actual use effect of the air intake filter is of great importance.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provides a gas turbine air inlet filter filtering performance field testing device which is reasonable in structural design and easy to use and a working method thereof.
The technical scheme adopted by the invention for solving the problems is as follows: a field test device for the filtering performance of an air inlet filter of a gas turbine is characterized by being used for carrying out field test on the filtering performance of the air inlet filter of the gas turbine and comprising an air inlet section, a test section and an exhaust section, wherein the air inlet section, the test section and the exhaust section are connected through flanges in sequence; the front section of the air inlet section is provided with a rain cover, the inside of the air inlet section is connected with a temperature sensor and a pressure sensor, the rear end of the air inlet section is provided with a drain pipeline, and a drain valve is arranged on the drain pipeline; an induced air pipe is connected between the air inlet section and the air outlet section, a particle counter is installed on the induced air pipe, a first electromagnetic valve and a second electromagnetic valve are respectively installed on the induced air pipe at the front end and the induced air pipe at the rear end of the particle counter, and a differential pressure sensor is connected between the air inlet section and the air outlet section; and the rear end of the exhaust section is provided with an induced draft fan.
The working method of the field testing device for the filtering performance of the gas turbine air inlet filter is characterized in that during testing, a tested filter is installed in a testing section, a first electromagnetic valve and a second electromagnetic valve are closed, a draught fan is started, wind enters from a rain cover and sequentially passes through the air inlet section, the testing section and an exhaust section, the reading of a pressure sensor is read, after the pressure of an air duct is stabilized, the first electromagnetic valve is opened, the concentration of dust in air inlet is recorded through a particle counter, then the first electromagnetic valve is closed, the second electromagnetic valve is opened, after the reading of the pressure sensor is stabilized, the concentration of dust in exhaust is recorded, the steps are repeated for a plurality of times, after the reading of a pressure difference sensor reaches a set value, the draught fan is closed, and the ratio of the air inlet.
Compared with the prior art, the invention has the following advantages and effects: the performance of the gas inlet filter of the gas turbine can be tested under the field condition, and the test result can better reflect the actual use effect of the filter, so that a user can conveniently compare and purchase filters of various types, and the safety and the economical efficiency of the gas turbine are further improved.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention.
In the figure: rain-proof cover 1, air inlet section 2, first solenoid valve 3, trap 4, flange 5, filter 6 under test, second solenoid valve 7, draught fan 8, test section 9, exhaust section 10, temperature sensor 11, pressure sensor 12, differential pressure sensor 13, particle counter 14, drain line 15, induced duct 16.
Detailed Description
The present invention will be described in further detail below by way of examples with reference to the accompanying drawings, which are illustrative of the present invention and are not to be construed as limiting the present invention.
Examples are given.
Referring to fig. 1, in this embodiment, a field testing device for the filtering performance of a gas turbine inlet filter is used for field testing the filtering performance of the gas turbine inlet filter, a testing device air duct is composed of an inlet section 2, a testing section 9 and an exhaust section 10, the inlet section 2, the testing section 9 and the exhaust section 10 are sequentially connected through a flange 5, and a sealing gasket can be additionally installed if necessary to prevent external gas from entering the testing device through the flange 5. For avoiding the wind channel intake in the field test process, the anterior segment of the section 2 that admits air is provided with rain-proof cover 1, and the rear end of the section 2 that admits air is provided with drain line 15, and installs trap 4 on drain line 15, and the internal connection of the section 2 that admits air has temperature sensor 11 and pressure sensor 12 for the monitoring of the parameter of admitting air, temperature sensor 11 gos deep into the section 2 the inside that admits air, and pressure sensor 12's leading pipe is placed near the wall of the section 2 that admits air. An induced draft pipe 16 is connected between the air inlet section 2 and the air outlet section 10, a particle counter 14 is installed on the induced draft pipe 16, a first electromagnetic valve 3 and a second electromagnetic valve 7 are installed on the induced draft pipe 16 at the front end and the induced draft pipe 16 at the rear end of the particle counter 14 respectively, and the first electromagnetic valve 3 and the second electromagnetic valve 7 have an automatic switching function. A differential pressure sensor 13 is connected between the air inlet section 2 and the air outlet section 10; and the rear end of the exhaust section 10 is provided with an induced draft fan 8 for simulating the negative pressure state of the gas turbine inlet filtering system during working.
When the tested filter 6 is tested, firstly, the tested filter 6 is firmly installed in a testing section 9, the condition that each meter is not obviously abnormal is checked, a first electromagnetic valve 3 and a second electromagnetic valve 7 are closed, then, all pipe sections are connected together through a flange 5, a draught fan 8 is started, wind enters from a rain cover 1 and sequentially passes through an air inlet section 2, the testing section 9 and an exhaust section 10, the reading of a pressure sensor 12 is read, after the air duct pressure is stable, the first electromagnetic valve 3 is opened, the concentration of dust in air inlet is recorded through a particle counter 14, then, the first electromagnetic valve 3 is closed, the second electromagnetic valve 7 is opened, after the reading of the pressure sensor 12 is stable, the concentration of dust in exhaust is recorded, the circulation is repeated for a plurality of times, after the reading of the pressure difference sensor reaches a set value, the draught fan 8 is closed, and the ratio of the air inlet.
Those not described in detail in this specification are well within the skill of the art.
Although the present invention has been described with reference to the above embodiments, it should be understood that the scope of the present invention is not limited thereto, and that various changes and modifications can be made by those skilled in the art without departing from the spirit and scope of the present invention.
Claims (2)
1. The field testing device for the filtering performance of the gas turbine air inlet filter is characterized by being used for carrying out field testing on the filtering performance of the gas turbine air inlet filter and comprising an air inlet section (2), a testing section (9) and an air outlet section (10), wherein the air inlet section (2), the testing section (9) and the air outlet section (10) are sequentially connected through a flange (5); the front section of the air inlet section (2) is provided with a rain cover (1), the inside of the air inlet section (2) is connected with a temperature sensor (11) and a pressure sensor (12), the rear end of the air inlet section (2) is provided with a drain pipeline (15), and a drain valve (4) is arranged on the drain pipeline (15); an induced draft pipe (16) is connected between the air inlet section (2) and the air outlet section (10), a particle counter (14) is installed on the induced draft pipe (16), a first electromagnetic valve (3) and a second electromagnetic valve (7) are respectively installed on the induced draft pipe (16) at the front end and the induced draft pipe (16) at the rear end of the particle counter (14), and a differential pressure sensor (13) is connected between the air inlet section (2) and the air outlet section (10); and the rear end of the exhaust section (10) is provided with an induced draft fan (8).
2. An operating method of the field testing device for the filtering performance of the air inlet filter of the gas turbine as claimed in claim 1, characterized in that during testing, a tested filter (6) is installed in a testing section (9), a first electromagnetic valve (3) and a second electromagnetic valve (7) are closed, an induced draft fan (8) is started, wind enters from a rain cover (1) and sequentially passes through an air inlet section (2), the testing section (9) and an exhaust section (10), the reading of a pressure sensor (12) is read, the first electromagnetic valve (3) is opened after the air duct pressure is stabilized, the dust concentration in air inlet is recorded through a particle counter (14), then the first electromagnetic valve (3) is closed, the second electromagnetic valve (7) is opened, the dust concentration in exhaust air is recorded after the reading of the pressure sensor (12) is stabilized, the operation is repeated for a plurality of cycles, and after the reading of a pressure difference sensor (13) reaches, and (4) closing the induced draft fan (8), wherein the ratio of the intake concentration to the exhaust concentration is the filtering efficiency of the filter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010417615.XA CN111781118A (en) | 2020-05-18 | 2020-05-18 | Gas turbine air inlet filter filtering performance field test device and working method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010417615.XA CN111781118A (en) | 2020-05-18 | 2020-05-18 | Gas turbine air inlet filter filtering performance field test device and working method thereof |
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| CN111781118A true CN111781118A (en) | 2020-10-16 |
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| CN202010417615.XA Pending CN111781118A (en) | 2020-05-18 | 2020-05-18 | Gas turbine air inlet filter filtering performance field test device and working method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113237814A (en) * | 2021-05-10 | 2021-08-10 | 华电电力科学研究院有限公司 | Gas turbine air inlet system filtering performance online monitoring system and method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103499512A (en) * | 2013-09-23 | 2014-01-08 | 同济大学 | Air-pressure-adjustable performance testing device for air filtering material and application thereof |
| CN103764965A (en) * | 2011-07-18 | 2014-04-30 | Avl里斯脱有限公司 | Method for determining the particle count in the exhaust gas of internal combustion engines |
| CN104949852A (en) * | 2015-06-30 | 2015-09-30 | 国电科学技术研究院 | On-site contrast test system and method for incoming air filtering system of gas turbine |
| CN106198350A (en) * | 2016-07-29 | 2016-12-07 | 北京京丰燃气发电有限责任公司 | A kind of gas turbine inlet air filtration device on-hook detecting system and determination method |
| CN210071607U (en) * | 2019-03-20 | 2020-02-14 | 北京国鸿氢能科技有限公司 | Testing device for gas filtration of fuel cell air filter |
-
2020
- 2020-05-18 CN CN202010417615.XA patent/CN111781118A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103764965A (en) * | 2011-07-18 | 2014-04-30 | Avl里斯脱有限公司 | Method for determining the particle count in the exhaust gas of internal combustion engines |
| CN103499512A (en) * | 2013-09-23 | 2014-01-08 | 同济大学 | Air-pressure-adjustable performance testing device for air filtering material and application thereof |
| CN104949852A (en) * | 2015-06-30 | 2015-09-30 | 国电科学技术研究院 | On-site contrast test system and method for incoming air filtering system of gas turbine |
| CN106198350A (en) * | 2016-07-29 | 2016-12-07 | 北京京丰燃气发电有限责任公司 | A kind of gas turbine inlet air filtration device on-hook detecting system and determination method |
| CN210071607U (en) * | 2019-03-20 | 2020-02-14 | 北京国鸿氢能科技有限公司 | Testing device for gas filtration of fuel cell air filter |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113237814A (en) * | 2021-05-10 | 2021-08-10 | 华电电力科学研究院有限公司 | Gas turbine air inlet system filtering performance online monitoring system and method |
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