CN106405001A - An on-line oxygen content monitoring device for hydrogen - Google Patents
An on-line oxygen content monitoring device for hydrogen Download PDFInfo
- Publication number
- CN106405001A CN106405001A CN201610487474.2A CN201610487474A CN106405001A CN 106405001 A CN106405001 A CN 106405001A CN 201610487474 A CN201610487474 A CN 201610487474A CN 106405001 A CN106405001 A CN 106405001A
- Authority
- CN
- China
- Prior art keywords
- oxygen content
- hydrogen
- sensor
- flowmeter
- oxygen
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 title claims abstract description 38
- 239000001257 hydrogen Substances 0.000 title claims abstract description 38
- 229910052739 hydrogen Inorganic materials 0.000 title claims abstract description 38
- 239000001301 oxygen Substances 0.000 title claims abstract description 38
- 229910052760 oxygen Inorganic materials 0.000 title claims abstract description 38
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 title claims abstract description 37
- 238000012806 monitoring device Methods 0.000 title claims abstract description 6
- 239000007789 gas Substances 0.000 claims description 3
- 238000005259 measurement Methods 0.000 claims description 3
- 238000012544 monitoring process Methods 0.000 abstract description 7
- 238000013022 venting Methods 0.000 abstract 2
- 238000001816 cooling Methods 0.000 description 4
- 238000004804 winding Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
- CYTYCFOTNPOANT-UHFFFAOYSA-N Perchloroethylene Chemical compound ClC(Cl)=C(Cl)Cl CYTYCFOTNPOANT-UHFFFAOYSA-N 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 150000002431 hydrogen Chemical class 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000002184 metal Chemical group 0.000 description 1
- 229910052751 metal Chemical group 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/0004—Gaseous mixtures, e.g. polluted air
- G01N33/0009—General constructional details of gas analysers, e.g. portable test equipment
- G01N33/0027—General constructional details of gas analysers, e.g. portable test equipment concerning the detector
- G01N33/0036—General constructional details of gas analysers, e.g. portable test equipment concerning the detector specially adapted to detect a particular component
- G01N33/005—H2
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/0004—Gaseous mixtures, e.g. polluted air
- G01N33/0009—General constructional details of gas analysers, e.g. portable test equipment
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Food Science & Technology (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Motor Or Generator Cooling System (AREA)
Abstract
An on-line oxygen content monitoring device for hydrogen is disclosed. The device includes a hydrogen purity sensor, an oxygen content transmitter, a one-way valve, an oxygen content sensor, a blowdown valve, a decompressor, a two-position one-way valve and three flowmeters. The hydrogen purity sensor is separately connected to a first flowmeter and a main-pipeline venting port through pipes. A T-branch pipe is connected between the hydrogen purity sensor and the first flowmeter. The one-way valve is connected to the T-branch pipe and a third flowmeter through pipes. An outlet of a second flowmeter is connected to the oxygen content sensor. The outlet of the oxygen content sensor is connected to a branch venting port. The oxygen content transmitter is connected to a terminal at the top of the oxygen content sensor through a cable. The device overcomes a problem that a unit does not have an on-line oxygen-content monitoring meter, achieves on-line real-time monitoring of the oxygen content in hydrogen in an electric generator, and provides safe and reliable guarantee for hydrogen cooled generators.
Description
Technical field
The invention belongs to hydrogen cooled generator technical field, specifically it is to increase oxygen content monitoring in the online hydrogen of PA1630
Device.
Background technology
Water hydrogen electromotor, abbreviation hydrogen cooled generator, that is, generator unit stator winding is internal water cooling, and rotor windings are hydrogen
Interior cold, stator core and its structural member are hydrogen_cooling；There is efficiency high, good cooling results, the advantage such as safe and reliable.Hydrogen
Purity is not only related to business efficiency, and there is potential safety hazard；Hydrogen purity reduces, and cooling effectiveness will be led to reduce, make
One-tenth machine inner member hot-spot, thus the problems such as lead to insulation ag(e)ing, iron core and metal parts to corrode, draft loss also can simultaneously
Increase, the performance driving economy of impact generating set；Hydrogen purity declines 1%.Loss will increase by 12%, cause one to power plant
Fixed economic loss.Hydrogen explosion condition：In 4.1%-74.2%, (mainly hydrogen and oxygen mix volume content in atmosphere
Close) meet burning things which may cause a fire disaster will explode；Cool down the heat of winding, stator and rotor coil and keep one relatively to reduce hydrogen cooled generator
High generating efficiency and safety, power plant needs oxygen content in monitoring hydrogen purity and hydrogen it is ensured that the safety of whole unit
Reliability service.
Content of the invention
It is an object of the invention to overcoming the deficiencies in the prior art, and provide one kind can contain in Always Online" monitoring hydrogen
Amount change is it is ensured that oxygen content monitoring device in the online hydrogen of increase RA1630 of hydrogen cooled generator safe operation.
The present invention adopts the following technical scheme that realization for achieving the above object：
Increase oxygen content monitoring device in the online hydrogen of PA1630, including hydrogen purity sensor, oxygen content transmitter, list
To valve, oxygen level sensor, blowoff valve, decompressor, two port valves, three, effusion meters, described hydrogen purity sensor leads to
Cross pipeline to be connected with first flowmeter and main road evacuation port respectively；Connect in the middle of described hydrogen purity sensor and first flowmeter
It is connected to tee T；Described check valve is connected with tee T and the 3rd effusion meter by pipeline；The 3rd described effusion meter also with
Bypass evacuation port connects；Described first flowmeter outlet is connected with second flowmeter and blowoff valve respectively by tee T；Institute
The outlet of the second flowmeter stated is connected with oxygen-containing quantity sensor；The described outlet of oxygen-containing quantity sensor is with bypass evacuation port even
Connect；Described oxygen content transmitter is connected with the terminals at oxygen level sensor top by cable；Described blowoff valve passes through
Two port valves are connected with calibration mouth and air relief valve respectively；Described air relief valve is connected with measurement gas access.
The present invention solve unit there is no the oxygen-containing scale of on-line monitoring it is achieved that in electromotor hydrogen oxygen content real-time online
Monitoring；Provide safe and reliable guarantee for electromotor hydrogen cooled generator.
Brief description
Fig. 1 is the structural representation of the present invention.
Specific embodiment
The present invention is further elaborated for explanation below in conjunction with the accompanying drawings.
Increase the online hydrogen of RA1630 in oxygen content monitoring device, including hydrogen purity sensor 1, oxygen content transmitter 2,
Check valve 3, oxygen level sensor 4, blowoff valve 5,6, two port valves 7 of decompressor, three, effusion meter, described hydrogen purity passes
Sensor 1 is connected with first flowmeter 8 and main road evacuation port 9 respectively by pipeline；Described hydrogen purity sensor 1 with first-class
It is connected with tee T in the middle of gauge 8；Described check valve 3 is connected with tee T and the 3rd effusion meter 10 by pipeline；Described
3rd effusion meter 10 is connected with bypass evacuation port 11；Described first flowmeter 8 outlet by tee T respectively with second flow
Meter 12 and blowoff valve 5 connect；The described outlet of second flowmeter 12 is connected with oxygen-containing quantity sensor 4；Described oxygen content passes
The outlet of sensor 4 is connected with bypass evacuation port 11；Described oxygen content transmitter 2 passes through cable and oxygen level sensor 4 top
Terminals connect；Described blowoff valve 5 is passed through two port valves 7 and is connected with calibration mouth 13 and air relief valve 6 respectively；Described subtracts
Pressure valve 6 is connected with measurement gas access 14.
Performance and have related parameter；
Oxygen concentration range：0 ... 2%
Precision：± 0.03%
Repeatability：± 0.01%
Response time：20 seconds
Simulation output：4 ... 20mA (maximum load 800 Ω)
Working power：24VDC or 220VAC
Warning output：DC24V 1A (two-way warning output can be independently programmable)
Operation temperature：-10…40℃
Degree of protection：NEMA 4X, IP66
Essential safety：Ex ia II C T3
Ultimate principle and principal character and the advantages of the present invention of the present invention have been shown and described above.The technology of the industry
, it should be appreciated that the present invention is not restricted to the described embodiments, the simply explanation described in above-described embodiment and description is originally for personnel
The principle of invention, without departing from the spirit and scope of the present invention, the present invention also has various changes and modifications, these changes
Change and improvement both falls within scope of the claimed invention.
Claims (1)
1. increase oxygen content monitoring device in the online hydrogen of RA1630, including hydrogen purity sensor (1), oxygen content transmitter
(2), check valve (3), oxygen level sensor (4), blowoff valve (5), decompressor (6), two port valves (7), three, effusion meters, its
It is characterised by：Described hydrogen purity sensor (1) is passed through pipeline and is connected with first flowmeter (8) and main road evacuation port (9) respectively
Connect；It is connected with tee T in the middle of described hydrogen purity sensor (1) and first flowmeter (8)；Described check valve (3) passes through
Pipeline is connected with tee T and the 3rd effusion meter (10)；The 3rd described effusion meter (10) is connected with bypass evacuation port (11)；Institute
First flowmeter (8) outlet stated is connected with second flowmeter (12) and blowoff valve (5) respectively by tee T；Described second
The outlet of effusion meter (12) is connected with oxygen-containing quantity sensor (4)；The described outlet of oxygen-containing quantity sensor (4) and bypass evacuation port
(11) connect；Described oxygen content transmitter (2) is connected with the terminals at oxygen level sensor (4) top by cable；Described
Blowoff valve (5) pass through two port valves (7) and be connected with calibration mouth (13) and air relief valve (6) respectively；Described air relief valve (6) with
Measurement gas access (14) connects.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610487474.2A CN106405001A (en) | 2016-06-17 | 2016-06-17 | An on-line oxygen content monitoring device for hydrogen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610487474.2A CN106405001A (en) | 2016-06-17 | 2016-06-17 | An on-line oxygen content monitoring device for hydrogen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106405001A true CN106405001A (en) | 2017-02-15 |
Family
ID=58006669
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610487474.2A Pending CN106405001A (en) | 2016-06-17 | 2016-06-17 | An on-line oxygen content monitoring device for hydrogen |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106405001A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109283297A (en) * | 2018-11-05 | 2019-01-29 | 河南省日立信股份有限公司 | Hydrogen on-line analysis separate calibrations sampling system |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3752652A (en) * | 1972-02-11 | 1973-08-14 | Texaco Belgium Nv Sa | Method and apparatus for measurement of minute quantities of oxygen |
| JP2008182791A (en) * | 2007-01-23 | 2008-08-07 | Chugoku Electric Power Co Inc:The | Apparatus hydrogen gas purity update device |
| CN201867401U (en) * | 2010-10-26 | 2011-06-15 | 天津市纽森科技有限公司 | Portable oxygen measurement device for high-pressure nitrogen |
| CN202133651U (en) * | 2011-06-27 | 2012-02-01 | 常州爱特科技有限公司 | Online oxygen in hydrogen analyzer |
| CN102445367A (en) * | 2010-10-13 | 2012-05-09 | 中国石油化工股份有限公司 | Pretreatment system used for gas on-line analysis |
| CN202814950U (en) * | 2012-09-29 | 2013-03-20 | 郑州光力科技股份有限公司 | On-line hydrogen purity measurement device for hydrogen-cooled generator |
| CN202893529U (en) * | 2012-09-27 | 2013-04-24 | 安徽普源分离机械制造有限公司 | Centrifugal machine on-line oxygen content detection and nitrogen protection device |
| CN203337628U (en) * | 2013-05-03 | 2013-12-11 | 黄昌华 | Deoxidation catalyst detection device |
| FR3027999A1 (en) * | 2014-11-05 | 2016-05-06 | H2Nova | HYDROGEN GAS SUPPLY STATION AND ASSOCIATED METHOD FOR DETERMINING THE MASS FLOW OF GASEOUS HYDROGEN WITH ACCURATE PRECISION |
| CN206074543U (en) * | 2016-06-17 | 2017-04-05 | 大唐国际发电股份有限公司张家口发电厂 | Increase oxygen content monitoring device in the online hydrogen of RA1630 |
-
2016
- 2016-06-17 CN CN201610487474.2A patent/CN106405001A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3752652A (en) * | 1972-02-11 | 1973-08-14 | Texaco Belgium Nv Sa | Method and apparatus for measurement of minute quantities of oxygen |
| JP2008182791A (en) * | 2007-01-23 | 2008-08-07 | Chugoku Electric Power Co Inc:The | Apparatus hydrogen gas purity update device |
| CN102445367A (en) * | 2010-10-13 | 2012-05-09 | 中国石油化工股份有限公司 | Pretreatment system used for gas on-line analysis |
| CN201867401U (en) * | 2010-10-26 | 2011-06-15 | 天津市纽森科技有限公司 | Portable oxygen measurement device for high-pressure nitrogen |
| CN202133651U (en) * | 2011-06-27 | 2012-02-01 | 常州爱特科技有限公司 | Online oxygen in hydrogen analyzer |
| CN202893529U (en) * | 2012-09-27 | 2013-04-24 | 安徽普源分离机械制造有限公司 | Centrifugal machine on-line oxygen content detection and nitrogen protection device |
| CN202814950U (en) * | 2012-09-29 | 2013-03-20 | 郑州光力科技股份有限公司 | On-line hydrogen purity measurement device for hydrogen-cooled generator |
| CN203337628U (en) * | 2013-05-03 | 2013-12-11 | 黄昌华 | Deoxidation catalyst detection device |
| FR3027999A1 (en) * | 2014-11-05 | 2016-05-06 | H2Nova | HYDROGEN GAS SUPPLY STATION AND ASSOCIATED METHOD FOR DETERMINING THE MASS FLOW OF GASEOUS HYDROGEN WITH ACCURATE PRECISION |
| CN206074543U (en) * | 2016-06-17 | 2017-04-05 | 大唐国际发电股份有限公司张家口发电厂 | Increase oxygen content monitoring device in the online hydrogen of RA1630 |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109283297A (en) * | 2018-11-05 | 2019-01-29 | 河南省日立信股份有限公司 | Hydrogen on-line analysis separate calibrations sampling system |
| CN109283297B (en) * | 2018-11-05 | 2024-04-26 | 河南省日立信股份有限公司 | Independent calibration sampling system for hydrogen online analysis |
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