JP2013167492A - 排ガスサンプリング装置 - Google Patents
排ガスサンプリング装置 Download PDFInfo
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- JP2013167492A JP2013167492A JP2012029921A JP2012029921A JP2013167492A JP 2013167492 A JP2013167492 A JP 2013167492A JP 2012029921 A JP2012029921 A JP 2012029921A JP 2012029921 A JP2012029921 A JP 2012029921A JP 2013167492 A JP2013167492 A JP 2013167492A
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- exhaust gas
- temperature
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- heating
- sampling line
- Prior art date
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- 238000005070 sampling Methods 0.000 title claims abstract description 90
- 238000010438 heat treatment Methods 0.000 claims abstract description 79
- 238000011144 upstream manufacturing Methods 0.000 claims abstract description 26
- 239000004202 carbamide Substances 0.000 claims description 53
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 claims description 52
- 238000005979 thermal decomposition reaction Methods 0.000 claims description 15
- OWIKHYCFFJSOEH-UHFFFAOYSA-N Isocyanic acid Chemical compound N=C=O OWIKHYCFFJSOEH-UHFFFAOYSA-N 0.000 claims description 8
- XLJMAIOERFSOGZ-UHFFFAOYSA-N anhydrous cyanic acid Natural products OC#N XLJMAIOERFSOGZ-UHFFFAOYSA-N 0.000 claims description 8
- 238000009833 condensation Methods 0.000 claims description 7
- 230000005494 condensation Effects 0.000 claims description 7
- 238000000354 decomposition reaction Methods 0.000 claims description 7
- 230000007062 hydrolysis Effects 0.000 claims description 6
- ZFSLODLOARCGLH-UHFFFAOYSA-N isocyanuric acid Chemical compound OC1=NC(O)=NC(O)=N1 ZFSLODLOARCGLH-UHFFFAOYSA-N 0.000 claims description 6
- 238000006460 hydrolysis reaction Methods 0.000 claims description 3
- 239000007789 gas Substances 0.000 description 166
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 40
- 238000005259 measurement Methods 0.000 description 27
- 229910021529 ammonia Inorganic materials 0.000 description 19
- 239000003054 catalyst Substances 0.000 description 12
- 229930195733 hydrocarbon Natural products 0.000 description 6
- 150000002430 hydrocarbons Chemical class 0.000 description 6
- 238000002347 injection Methods 0.000 description 6
- 239000007924 injection Substances 0.000 description 6
- 239000004215 Carbon black (E152) Substances 0.000 description 5
- 238000001816 cooling Methods 0.000 description 4
- 238000001179 sorption measurement Methods 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- 238000001514 detection method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000009283 thermal hydrolysis Methods 0.000 description 3
- 229910000661 Mercury cadmium telluride Inorganic materials 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 2
- 230000006837 decompression Effects 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- VPKDCDLSJZCGKE-UHFFFAOYSA-N methanediimine Chemical compound N=C=N VPKDCDLSJZCGKE-UHFFFAOYSA-N 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 239000004065 semiconductor Substances 0.000 description 2
- 238000000862 absorption spectrum Methods 0.000 description 1
- 230000000274 adsorptive effect Effects 0.000 description 1
- 150000007973 cyanuric acids Chemical class 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 239000012948 isocyanate Substances 0.000 description 1
- 150000002513 isocyanates Chemical class 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 229910000069 nitrogen hydride Inorganic materials 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 238000006722 reduction reaction Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 239000004071 soot Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 150000003672 ureas Chemical class 0.000 description 1
- 239000002912 waste gas Substances 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/22—Devices for withdrawing samples in the gaseous state
- G01N1/2247—Sampling from a flowing stream of gas
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/22—Devices for withdrawing samples in the gaseous state
- G01N1/2247—Sampling from a flowing stream of gas
- G01N1/2258—Sampling from a flowing stream of gas in a stack or chimney
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
- F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
- F01N3/10—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
- F01N3/18—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by methods of operation; Control
- F01N3/20—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by methods of operation; Control specially adapted for catalytic conversion ; Methods of operation or control of catalytic converters
- F01N3/2066—Selective catalytic reduction [SCR]
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
- F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
- F01N3/10—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
- F01N3/18—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by methods of operation; Control
- F01N3/20—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by methods of operation; Control specially adapted for catalytic conversion ; Methods of operation or control of catalytic converters
- F01N3/2066—Selective catalytic reduction [SCR]
- F01N3/208—Control of selective catalytic reduction [SCR], e.g. dosing of reducing agent
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N2610/00—Adding substances to exhaust gases
- F01N2610/02—Adding substances to exhaust gases the substance being ammonia or urea
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N2900/00—Details of electrical control or of the monitoring of the exhaust gas treating apparatus
- F01N2900/04—Methods of control or diagnosing
- F01N2900/0416—Methods of control or diagnosing using the state of a sensor, e.g. of an exhaust gas sensor
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N2900/00—Details of electrical control or of the monitoring of the exhaust gas treating apparatus
- F01N2900/06—Parameters used for exhaust control or diagnosing
- F01N2900/14—Parameters used for exhaust control or diagnosing said parameters being related to the exhaust gas
- F01N2900/1402—Exhaust gas composition
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/22—Devices for withdrawing samples in the gaseous state
- G01N1/2247—Sampling from a flowing stream of gas
- G01N1/2258—Sampling from a flowing stream of gas in a stack or chimney
- G01N2001/2261—Sampling from a flowing stream of gas in a stack or chimney preventing condensation (heating lines)
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/12—Improving ICE efficiencies
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Combustion & Propulsion (AREA)
- Toxicology (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- General Health & Medical Sciences (AREA)
- Biochemistry (AREA)
- Analytical Chemistry (AREA)
- Molecular Biology (AREA)
- Biomedical Technology (AREA)
- Sampling And Sample Adjustment (AREA)
- Investigating Or Analyzing Non-Biological Materials By The Use Of Chemical Means (AREA)
Abstract
【解決手段】排気管Hを流れる排ガスをサンプリングして分析機器3に導入するサンプリングライン2と、前記サンプリングライン2に上流側から下流側に沿って設けられ、前記サンプリングライン2を流れる排ガスを加熱する複数の加熱部41〜43と、前記排気管H中の排ガス温度、及び、最下流に位置する加熱部43の出口側の排ガス目標温度TAをパラメータとして、前記複数の加熱部41〜43の設定温度T1〜T3を個々に設定する温度制御部5とを備える。
【選択図】図3
Description
T3=TA+(TG−TA)/4
T2=T3+(TG−TA)/4
T1=T2+(TG−TA)/4
T3=TA+(T1−TA)/3
T2=T3+(T1−TA)/3
H・・・排気管
2・・・サンプリングライン
21・・・サンプリングユニット
22・・・サンプリング配管
23・・・断熱膨張部
231・・・絞り部(オリフィス)
232・・・温調部(加熱管)
3・・・分析機器(NH3計)
P・・・ポンプ
41・・・第1の加熱部(最上流に位置する加熱部)
42・・・第2の加熱部
43・・・第3の加熱部(最下流に位置する加熱部)
TG・・・排ガス温度
TA・・・排ガス目標温度
T1・・・第1の加熱部の設定温度
T2・・・第2の加熱部の設定温度
T3・・・第3の加熱部の設定温度
5・・・温度制御部
Claims (6)
- 排気管を流れる排ガスをサンプリングして分析機器に導入するサンプリングラインと、
前記サンプリングラインに上流側から下流側に沿って設けられ、前記サンプリングラインを流れる排ガスを加熱する複数の加熱部と、
前記排気管中の排ガス温度、及び、前記複数の加熱部のうち最下流に位置する加熱部の出口側の排ガス目標温度をパラメータとして、前記複数の加熱部の設定温度を個々に設定する温度制御部とを備える排ガスサンプリング装置。 - 前記排ガス温度が前記排ガス目標温度よりも低い場合に、前記温度制御部が、最上流に位置する加熱部の設定温度を前記排ガス目標温度よりも高い温度に設定することを特徴とする請求項1記載の排ガスサンプリング装置。
- 前記排ガスが、尿素及び/又は尿素に由来する分解成分を含むものであり、
前記最上流に位置する加熱部の設定温度が、前記尿素の熱分解により生じるイソシアン酸の加水分解温度以上の温度であることを特徴とする請求項1又は2記載の排ガスサンプリング装置。 - 前記最上流に位置する加熱部の設定温度が、前記尿素の熱分解により生じるシアヌル酸をイソシアン酸に分解する分解温度以上であることを特徴とする請求項3記載の排ガスサンプリング装置。
- 前記サンプリングラインに当該サンプリングラインを流れる排ガスを断熱膨張させる断熱膨張部が設けられており、
前記複数の加熱部が、前記断熱膨張部よりも上流側に設けられており、
前記断熱膨張部が、前記サンプリングラインを流れる排ガスを減圧させる絞り部及び当該絞り部を通過した排ガスを温調する温調部を有しており、
前記温度制御部が、前記排ガス温度及び前記絞り部での排ガス目標温度をパラメータとして、前記複数の加熱部の設定温度を個々に設定することを特徴とする請求項1乃至4の何れかに記載の排ガスサンプリング装置。 - 前記絞り部での排ガス目標温度が、前記排ガスに含まれるHCの凝縮温度よりも高い温度である請求項5記載の排ガスサンプリング装置。
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2012029921A JP5752067B2 (ja) | 2012-02-14 | 2012-02-14 | 排ガスサンプリング装置 |
IN582CH2013 IN2013CH00582A (ja) | 2012-02-14 | 2013-02-12 | |
EP13000741.2A EP2629077A3 (en) | 2012-02-14 | 2013-02-13 | Exhaust gas sampling device |
US13/767,443 US9335235B2 (en) | 2012-02-14 | 2013-02-14 | Exhaust gas sampling device |
CN201310051307XA CN103245535A (zh) | 2012-02-14 | 2013-02-16 | 排气取样装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2012029921A JP5752067B2 (ja) | 2012-02-14 | 2012-02-14 | 排ガスサンプリング装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2013167492A true JP2013167492A (ja) | 2013-08-29 |
JP5752067B2 JP5752067B2 (ja) | 2015-07-22 |
Family
ID=47738986
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2012029921A Expired - Fee Related JP5752067B2 (ja) | 2012-02-14 | 2012-02-14 | 排ガスサンプリング装置 |
Country Status (5)
Country | Link |
---|---|
US (1) | US9335235B2 (ja) |
EP (1) | EP2629077A3 (ja) |
JP (1) | JP5752067B2 (ja) |
CN (1) | CN103245535A (ja) |
IN (1) | IN2013CH00582A (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101661064B1 (ko) * | 2015-04-20 | 2016-09-30 | 한국기술교육대학교 산학협력단 | 써멀 디뉴더, 이를 가지는 블랙카본입자 측정시스템 및 측정방법 |
Families Citing this family (11)
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CN104374610B (zh) * | 2014-11-14 | 2017-01-11 | 华能国际电力股份有限公司 | 一种尿素水解反应器的气相分离取样系统及取样方法 |
CN104458349A (zh) * | 2014-12-01 | 2015-03-25 | 安徽天德仪器科技有限公司 | 防爆一体化电加热气体取样装置 |
US9500580B1 (en) | 2015-06-04 | 2016-11-22 | General Electric Company | Gas detector and method of detection |
CN107421790B (zh) * | 2017-09-12 | 2023-11-03 | 南京友智科技有限公司 | 一种气态污染物多点矩阵混合采样装置、及其采样方法和反吹维护方法 |
CN107631916A (zh) * | 2017-09-12 | 2018-01-26 | 南京友智科技有限公司 | 一种气态污染物多点矩阵高温采样探头 |
CN109000996A (zh) * | 2018-09-11 | 2018-12-14 | 云南森雅环保科技有限公司 | 一种烟尘采样装置 |
CN109163944A (zh) * | 2018-09-26 | 2019-01-08 | 苏州曼德克光电有限公司 | 一种多级加热的取样装置 |
CN108956151A (zh) * | 2018-09-30 | 2018-12-07 | 广西玉柴机器股份有限公司 | 一种发动机曲轴箱排放取样装置 |
CN112763276A (zh) * | 2020-10-22 | 2021-05-07 | 清华大学 | 一种颗粒物采样装置 |
CN112763275A (zh) * | 2020-10-22 | 2021-05-07 | 清华大学 | 用于颗粒物采样的碳膜盛放装置 |
CN116818440B (zh) * | 2023-08-28 | 2023-11-10 | 四川国齐检测技术有限公司 | 一种室内多点位动态环境质量检测系统及方法 |
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2012
- 2012-02-14 JP JP2012029921A patent/JP5752067B2/ja not_active Expired - Fee Related
-
2013
- 2013-02-12 IN IN582CH2013 patent/IN2013CH00582A/en unknown
- 2013-02-13 EP EP13000741.2A patent/EP2629077A3/en not_active Withdrawn
- 2013-02-14 US US13/767,443 patent/US9335235B2/en active Active
- 2013-02-16 CN CN201310051307XA patent/CN103245535A/zh active Pending
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US20130209330A1 (en) | 2013-08-15 |
US9335235B2 (en) | 2016-05-10 |
CN103245535A (zh) | 2013-08-14 |
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