CN103033600A - Determination method and determination device for ammonia escape - Google Patents
Determination method and determination device for ammonia escape Download PDFInfo
- Publication number
- CN103033600A CN103033600A CN201210539064XA CN201210539064A CN103033600A CN 103033600 A CN103033600 A CN 103033600A CN 201210539064X A CN201210539064X A CN 201210539064XA CN 201210539064 A CN201210539064 A CN 201210539064A CN 103033600 A CN103033600 A CN 103033600A
- Authority
- CN
- China
- Prior art keywords
- ammonia
- escaping
- gas
- determinator
- dilute acid
- 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
Images
Landscapes
- Investigating Or Analyzing Non-Biological Materials By The Use Of Chemical Means (AREA)
- Treating Waste Gases (AREA)
Abstract
The invention relates to a determination method and a determination device for ammonia escape, wherein a filter element is tightly pressed in a filter device, a stainless steel gas inlet tube is movably connected with the filter device, and a gas guide rubber hose is connected with the stainless steel gas inlet tube; the gas guide rubber hose is connected with a gas extraction pump; the gas extraction pump is connected with a gas guide tube, the gas guide tube stretches in an airtight container and is communicated with a gas disperser arranged in the airtight container, and a gas exhaust tube is further arranged at the top of the airtight container; a power supply and a switch are arranged on the gas extraction pump; and valves are respectively arranged on the gas exhaust tube and the gas guide tube. Diffused smoke is filtered and then is sucked in the airtight container filled with a dilute acid aqueous solution, so that ammonia is adequately absorbed by the dilute acid aqueous solution and is converted to ammonia nitrogen in the dilute acid aqueous solution from gaseous NH3. The determination method is simple, fast and accurate; and the device is simple, easy to carry, and convenient to maintain and use.
Description
Technical field
The present invention relates to a kind of mensuration the escaping of ammonia method and apparatus, belong to environmental technology field.
Background technology
According to the requirement of China to emission standards for sulfur dioxide, flue gas desulfurization has become one of important step in the production run of the enterprises such as thermoelectricity, iron and steel.Ammonia desulfurizing process is take certain density ammoniacal liquor as desulfurizing agent, removes the sulphuric dioxide in the flue gas, generates ammonium sulfite, uses air (oxygen) to be oxidized to the ammonium sulfate secondary product again, reaches the purpose of gas cleaning.Ammonia absorbs the SO in the flue gas
2Be gas-liquid reaction, reaction velocity is fast, react completely, the absorbing agent utilization factor is high, can accomplish high-efficiency desulfurization.
Because the ammonia process of desulfurization meets circular form economic development requirement, its desulfuration efficiency is high in addition, and startup and fast and convenient characteristics out of service, takes the course of its own in numerous flue gas desulfurization techniques.But the such problem of present domestic ammonia desulfuration equipment ubiquity: owing to absorbing incomplete, fluctuation of service, carry a large amount of free ammonias when often causing fume emission secretly, ammonia how to measure these escapes becomes a difficult problem.According to read up the literature, measuring the escaping of ammonia method and apparatus one class is to transfer ammonia to oxides of nitrogen by aspiration pump, namely utilizes whole Ammonias and NO in the flue gas to be measured
xReaction is converted into N
2After, enter again NO
xAnalyser is measured NO
xConcentration; Data acquisition and analysis system is according to the O of input
2NO before and after concentration signal and the pre-service
xNH in the flue gas is changed and be output as to concentration signal
3Concentration signal.This quasi-instrument equipment is complicated, and additionally increases the appendix systems such as NOx reactor, catalyzer, heating, and equipment is huge, carries inconvenience, because multiple conversions, accuracy of measurement also has certain limitation; Another kind of, with O in the flue gas
2, NO
X, CO
2, SO
2, the gas concentration such as ammonia sensing element integrate, measure, this quasi-instrument is expensive, various gases also exist phase mutual interference, sour gas to the reasons such as corrosion of sensor together, service life of equipment is limited.
In sum, the method and apparatus of measuring at present the escaping of ammonia mainly stresses to utilize ammonia and NOx reaction to generate NO
XGenerate N
2Perhaps with NH
3Be converted into NO, adopt chemical fluorescence analysis to detect micro-NO, change again the measured value of ammonification.There is converter conversion efficiency problem in the method.Another kind of gas concentration sensing element in the flue gas to be measured is integrated, measure, exist sensing element short serviceable life, instrument is expensive, complicated etc. needs the problem of solution badly.
Summary of the invention
The technical problem to be solved in the present invention is: short serviceable life for conversion efficiency problem and sensing element that the method and apparatus of present mensuration flue gas the escaping of ammonia relates to, the problems such as instrument is expensive, complicated, a kind of economic, practical the escaping of ammonia assay method is provided, provide simultaneously a kind of economical and practical, be easy to portable the escaping of ammonia determinator.
For solving the problems of the technologies described above, the technical scheme that the present invention takes is:
A kind of the escaping of ammonia determinator is characterized in that: mainly comprise: filtration unit, stainless steel draft tube, aspiration pump, closed container, gas outlet and gas distributor; Filter core is pressed in the filtration unit, and stainless steel draft tube and filtration unit are movably connected, and the air guide band tubing is connected with the stainless steel draft tube; The air guide band tubing is connected with aspiration pump; Aspiration pump is connected with wireway, and wireway stretches in the closed container and with the gas distributor that places closed container and is communicated with, and the top of closed container also arranges a gas outlet; Power supply and switch are set on the aspiration pump; A valve respectively is set on gas outlet and the wireway.
By technique scheme, described aspiration pump is band function of measuring aspiration pump.
By technique scheme, described filter core is the roughly the same filter screen pad in aperture of 100～1000 microns porous filter paper or macromolecule.
By technique scheme, described closed container is acidproof, corrosion resistant polyvinyl chloride plastic material products or glassware.
By technique scheme, the stainless steel draft tube is movably connected by an integral joint and filtration unit, and the air guide band tubing is connected with the stainless steel draft tube by another integral joint.
Adopt the escaping of ammonia assay method of said apparatus, it is characterized in that carrying out according to the following steps:
(1), connects the escaping of ammonia determinator, the ammonia-nitrogen content X2 of blank dilute acid solution before the mensuration absorption flue gas;
(2), start the escaping of ammonia determinator, the flue gas that diffuses is aspirated after filtering in the closed container that fills dilute acid solution, ammonia is fully absorbed, by the NH of gaseous state by dilute acid solution
3Be converted into the ammonia nitrogen in the dilute acid solution; Simultaneously, the flue gas that is insoluble to diluted acid is overflowed from closed container;
(3) in preset time, write down the exhaust gas volumn Q that the escaping of ammonia determinator sucks; And ammonia-nitrogen content X1 in the dilute acid solution behind the mensuration absorption flue gas; Close the escaping of ammonia determinator;
(4) finally obtain amount of ammonia slip by ammonia nitrogen escape amount in the calculating suction exhaust gas volumn Q;
By calculating nitrogen element conservation reaction equation (1):
Calculate ammonia nitrogen content X(mg/L in the dilute acid solution) be: X=X1-X2 (mg/L);
Suck that ammonia nitrogen escape amount Xe is in the exhaust gas volumn Q: Xe=X * V, (mg), it be the product of ammonia nitrogen content X and the interior liquid volume V of closed container in the solution, unit is mg;
Amount of ammonia slip (AF):
In the formula (2), 0.944---ammonia (NH
3) and ammonium radical ion (NH
4 +) the mole fraction ratio.
By technique scheme, the stainless steel draft tube of the escaping of ammonia determinator is inserted in the flue gas admission passage of flue gas bleeding device/chimney in order to suck flue gas.
Measuring principle of the present invention is to utilize the metering of metering aspiration pump that clean sample gas suction is contained pH value less than in 5 the dilute acid solution container, utilize ammonia under specified criteria in pH value less than 5 dilute acid solution in solubleness large, survey the ammonia nitrogen in the solution, deduct the diluted acid blank, can be converted into amount of ammonia slip in the measurement unit.3, the inventive method is simple, quick, accurately; Device is simple, is easy to carry about with one maintenance and easy to use.
This technology is compared with other technologies, and its advantage is:
(1) utilize the metering of metering aspiration pump that clean sample gas suction is contained in the dilute acid solution container, utilize ammonia under specified criteria in pH value less than 5 dilute acid solution in solubleness large, survey the ammonia nitrogen of solution, deduct the dilute acid soln blank, can be converted into amount of ammonia slip in the measurement unit, with the NH of gaseous state in the flue gas
3Be converted into the ammonia nitrogen that is easy to dissolve in the dilute acid solution, be easy to measurement and measurement result accurate; (2) only insert admission line and filtration unit in the exhaust gases passes, avoided in the sinter fume dust to routine measurement device probe or electrode disturb, infringement, serviceable life, accuracy of measurement all significantly improve; (3) only need carry out the gas conversion, and can finish whole mensuration process in conjunction with nh 3-n analyser, the device Meteorological is low, is easy to carry about with one maintenance and easy to use.
Description of drawings
Fig. 1 is the escaping of ammonia assay device structures schematic diagram of the invention process.
Fig. 2 is the local connection diagram of the filtration unit of Fig. 1.
The Reference numeral correspondence is as follows among each figure: 1. filtration unit; 2. filter core; 3,5. integral joint; 4. stainless steel draft tube; 6. band tubing; 7. aspiration pump; 8. wireway; 9. valve; 10. closed container (containing pH value less than 5 dilute acid solution); 11. gas outlet; 12. gas distributor; 13. power supply; 14. switch.
Embodiment
According to the escaping of ammonia assay method of the invention process, comprise the steps:
1, connects the escaping of ammonia determinator, measure the ammonia-nitrogen content X2(mg/L that absorbs the front blank dilute acid solution of flue gas);
To pour volume V(unit in the closed container 10 into first: pH value L) is less than 5 dilute acid solution, measures the ammonia-nitrogen content X2(mg/L that absorbs blank dilute acid solution before the flue gas); Rapidly the valve 9 on wireway 8, the gas outlet 11 is closed.Filter core 2 is encased in the filtration unit 1 tightens.Stainless steel draft tube 4 is connected with filtration unit 1 by integral joint 3, tightens; Simultaneously air guide band tubing 6 and aspiration pump 7 and integral joint 5 are connected and check impermeability.
2, start the escaping of ammonia determinator, the flue gas in bleeding device/chimney is aspirated after filtering in the closed container 10 that fills dilute acid solution, ammonia is fully absorbed, by the NH of gaseous state by dilute acid solution
3Be converted into the ammonia nitrogen that is easy to dissolve in the dilute acid solution; Simultaneously, the flue gas that is insoluble to diluted acid is overflowed from closed container.
Before the measurement, valve 9 is opened, and stainless steel draft tube 4 is inserted in the exhaust gases passes of flue gas bleeding device/chimney, and opening power 13 and switch 14, aspiration pump 7 sucks the flue gas negative pressure and contains in the closed container 10 of pH value less than 5 dilute acid solution.Because the easy molten gases such as ammonia in the flue gas fully contact with dilute acid solution by gas distributor 12, can think that ammonia is fully absorbed, other solubleness in water gas little or that be insoluble to diluted acid passes through gas outlet 11 and overflows from closed container 10.
3, in preset time, write down the exhaust gas volumn Q(L that the escaping of ammonia determinator sucks); And measure to absorb ammonia-nitrogen content X1(mg/L in the dilute acid solution behind the flue gas); Powered-down 13 is extracted draft tube 4 out, and valve-off 9.
Suck the calculating of exhaust gas volumn Q in the dilute acid solution: be to utilize aspiration pump 7 gas flows and the product of working time with function of measuring, be the exhaust gas volumn of suction.Such as, the aspiration pump gas flow is 1L/min, and be 10min working time, and the exhaust gas volumn that then sucks is: 1L/min * 10min=10L.The aspiration pump 7 of this device is for having flow pump or the constant flow pump of function of measuring, the flow of energy Accurate Determining flue gas.
4, finally obtain amount of ammonia slip by ammonia nitrogen escape amount in the calculating suction exhaust gas volumn Q.
Because behind the escaping of ammonia, exist with the form of ammoniacal nitrogen, therefore by calculating the nitrogen element conservation, can calculate amount of ammonia slip, see
Reaction equation (1):
Ammonia nitrogen content X(mg/L in the dilute acid solution then) is: X=X1-X2 (mg/L);
Suck that ammonia nitrogen escape amount Xe is in the exhaust gas volumn Q: Xe=X * V, (mg), it be the product of ammonia nitrogen content X and the interior liquid volume V of closed container in the solution, unit is mg;
Amount of ammonia slip (AF):
In the formula (2), 0.944---ammonia (NH
3) and ammonium radical ion (NH
4 +) the mole fraction ratio;
Smoke absorption among the present invention enters amount and generally is less than at the maxima solubility of ammonia in this acid solution of giving under fixed temperature, the pressure.
Such as the exhaust gas volumn Q=50L that aspiration pump sucks, liquid volume V=5L in the closed container, ammonia-nitrogen content X1=50mg/L in the dilute acid solution behind the absorption flue gas; Measure and absorb ammonia-nitrogen content X2=0.5mg/L in the front dilute acid solution of flue gas, then ammonia nitrogen content X=50-0.5=49.5mg/L in the solution; Ammonia nitrogen Xe=X * the V=5 that escapes in the systemic ammonia nitrogen of solution or the flue gas * 49.5=247.5mg; Ammonia in flue gas escape amount (AF): AF=Xe/Q=247.5/50=4.95mg/L then.
In the above-mentioned steps, the mensuration of the ammonia nitrogen in the solution utilizes nh 3-n analyser to measure, and it doesn't matter for this determinator and device of the present invention, and our device is just the NH in the gaseous state
3Be converted into the ammonia nitrogen of more easily measuring in the water quality.
Shown in Fig. 1-2, the escaping of ammonia determinator of the present invention mainly is made of following part: filtration unit 1, filter core 2, stainless steel draft tube 4, aspiration pump 7, closed container 10, gas outlet 11 and gas distributor 12 and switch 14 and power supply 13.
Described filtration unit 1 refers to the porous filter screen stationary installation that can compress, and its effect mainly is the filter core 2 that compresses in the pipe, and part has played fixing, filtration simultaneously.Filtration unit 1 is preferably the funnel-form filtering head, is convenient to install filter core, can certainly adopt other shape.
Described filter core 2 can be the roughly the same filter screen pad in aperture of 100～1000 microns porous filter paper or macromolecule, and its effect is the dust granules thing that filters in the flue gas.
The aspiration pump 7 of this device is for having flow pump or the constant flow pump of function of measuring, and the flow of energy Accurate Determining flue gas is drawn into the flue gas in flue gas bleeding device/chimney by suction function simultaneously and contains pH value less than in the container in 5 the dilute acid soln.
Described closed container 10 materials are plastic products or the glasswares such as acidproof, corrosion resistant Polyvinylchloride.
Claims (7)
1. a escaping of ammonia determinator is characterized in that: mainly comprise: filtration unit, stainless steel draft tube, aspiration pump, closed container, gas outlet and gas distributor; Filter core is pressed in the filtration unit, and stainless steel draft tube and filtration unit are movably connected, and the air guide band tubing is connected with the stainless steel draft tube; The air guide band tubing is connected with aspiration pump; Aspiration pump is connected with wireway, and wireway stretches in the closed container and with the gas distributor that places closed container and is communicated with, and the top of closed container also arranges a gas outlet; Power supply and switch are set on the aspiration pump; A valve respectively is set on gas outlet and the wireway.
2. the escaping of ammonia determinator according to claim 1 is characterized in that: described aspiration pump is band function of measuring aspiration pump.
3. the escaping of ammonia determinator according to claim 1 and 2 is characterized in that: described filter core is the roughly the same filter screen pad in aperture of 100～1000 microns porous filter paper or macromolecule.
4. the escaping of ammonia determinator according to claim 3, it is characterized in that: described closed container is acidproof, corrosion resistant polyvinyl chloride plastic material products or glassware.
5. according to claim 1 and 2 or 4 described the escaping of ammonia determinators, it is characterized in that: the stainless steel draft tube is movably connected by an integral joint and filtration unit, and the air guide band tubing is connected with the stainless steel draft tube by another integral joint.
6. adopt the escaping of ammonia assay method of one of the claims 1-5 described the escaping of ammonia determinator, it is characterized in that carrying out according to the following steps:
(1), connects the escaping of ammonia determinator, the ammonia-nitrogen content X2 of blank dilute acid solution before the mensuration absorption flue gas;
(2), start the escaping of ammonia determinator, the flue gas that diffuses is aspirated after filtering in the closed container that fills dilute acid solution, ammonia is fully absorbed, by the NH of gaseous state by dilute acid solution
3Be converted into the ammonia nitrogen in the dilute acid solution; Simultaneously, the flue gas that is insoluble to diluted acid is overflowed from closed container;
(3) in preset time, write down the exhaust gas volumn Q that the escaping of ammonia determinator sucks; And ammonia-nitrogen content X1 in the dilute acid solution behind the mensuration absorption flue gas; Close the escaping of ammonia determinator;
(4) finally obtain amount of ammonia slip by ammonia nitrogen escape amount in the calculating suction exhaust gas volumn Q;
By calculating nitrogen element conservation reaction equation (1):
Calculate ammonia nitrogen content X(mg/L in the dilute acid solution) be: X=X1-X2 (mg/L);
Suck that ammonia nitrogen escape amount Xe is in the exhaust gas volumn Q: Xe=X * V, (mg), it be the product of ammonia nitrogen content X and the interior liquid volume V of closed container in the solution, unit is mg;
Amount of ammonia slip (AF):
In the formula (2), 0.944---ammonia (NH
3) and ammonium radical ion (NH
4 +) the mole fraction ratio.
7. the escaping of ammonia assay method according to claim 6 is characterized in that: the stainless steel draft tube of the escaping of ammonia determinator is inserted in the flue gas admission passage of flue gas bleeding device/chimney in order to suck flue gas.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210539064XA CN103033600A (en) | 2012-12-12 | 2012-12-12 | Determination method and determination device for ammonia escape |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210539064XA CN103033600A (en) | 2012-12-12 | 2012-12-12 | Determination method and determination device for ammonia escape |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103033600A true CN103033600A (en) | 2013-04-10 |
Family
ID=48020710
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210539064XA Pending CN103033600A (en) | 2012-12-12 | 2012-12-12 | Determination method and determination device for ammonia escape |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103033600A (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104236988A (en) * | 2014-10-11 | 2014-12-24 | 江苏交科工程检测技术有限公司 | Ammonia escape analyzer pretreatment device, using method and purposes |
| CN104458869A (en) * | 2014-11-10 | 2015-03-25 | 深圳泽峰环保技术有限公司 | Online ammonia escape monitoring and analyzing method and online ammonia escape monitoring and analyzing instrument |
| CN104807964A (en) * | 2015-04-24 | 2015-07-29 | 西安热工研究院有限公司 | On-line detection device and method for gas-liquid transfer method escaping ammonia |
| CN105004761A (en) * | 2015-06-26 | 2015-10-28 | 华电电力科学研究院 | Denitration system escaping ammonia on-line continuous monitoring device and method |
| CN105158422A (en) * | 2015-09-30 | 2015-12-16 | 华电电力科学研究院 | Device and method for measuring ammonia escape content in flue gas and ammonia escape content in smoke dust simultaneously |
| CN105527381A (en) * | 2016-01-07 | 2016-04-27 | 长沙三相医疗器械有限公司 | Ammonia catcher, ammonia detection device and method for detecting ammonia |
| CN111610297A (en) * | 2020-06-19 | 2020-09-01 | 北京国电龙源环保工程有限公司 | Constant volume absorption device for ammonia escape measurement by absorption method and working method thereof |
| CN111982611A (en) * | 2020-08-12 | 2020-11-24 | 北京国电龙源环保工程有限公司 | Online detection device and detection method for ammonia in flue gas |
| CN113984459A (en) * | 2021-09-17 | 2022-01-28 | 西安科技大学 | Method and device for measuring ammonia release in preparation process of magnesium slag and fly ash-based filling paste |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5725634A (en) * | 1995-08-24 | 1998-03-10 | Sharp Kabushiki Kaisha | Method for collecting impurities in the atmosphere by state and apparatus for analyzing the same in real time |
| CN1570592A (en) * | 2004-05-11 | 2005-01-26 | 南京林业大学 | Pumping measurement method for formaldehyde release quantity of artificial board |
| JP3892319B2 (en) * | 2002-02-21 | 2007-03-14 | 中部電力株式会社 | Method and apparatus for measuring mercury concentration in exhaust gas |
| CN200948399Y (en) * | 2006-08-31 | 2007-09-19 | 上海浦东威立雅自来水有限公司 | Absorbing device of the leaked ammonia gas |
| CN101554563A (en) * | 2008-12-12 | 2009-10-14 | 林明 | Processing method of harmful gases generated during roasting and heating of aluminum ammonium sulfate |
| CN201324596Y (en) * | 2008-12-30 | 2009-10-14 | 江苏远洋化学有限公司 | Ammoniac exhaust gas recovery device |
| CN201449374U (en) * | 2008-11-20 | 2010-05-05 | 郭振和 | Automatic color-and-photoelectricity microbial identification system |
| CN102564813A (en) * | 2011-12-20 | 2012-07-11 | 广东电网公司电力科学研究院 | Sampling system and sampling method for performance test of flue gas denitration system in utility boiler |
| CN202533295U (en) * | 2011-12-20 | 2012-11-14 | 广东电网公司电力科学研究院 | Sampling system of power boiler fume denitration system performance test |
| CN102818783A (en) * | 2012-09-07 | 2012-12-12 | 武汉钢铁(集团)公司 | Method and device for measuring ammonia escape amount in sintering flue gas ammonia-process desulfurization technique |
-
2012
- 2012-12-12 CN CN201210539064XA patent/CN103033600A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5725634A (en) * | 1995-08-24 | 1998-03-10 | Sharp Kabushiki Kaisha | Method for collecting impurities in the atmosphere by state and apparatus for analyzing the same in real time |
| JP3892319B2 (en) * | 2002-02-21 | 2007-03-14 | 中部電力株式会社 | Method and apparatus for measuring mercury concentration in exhaust gas |
| CN1570592A (en) * | 2004-05-11 | 2005-01-26 | 南京林业大学 | Pumping measurement method for formaldehyde release quantity of artificial board |
| CN200948399Y (en) * | 2006-08-31 | 2007-09-19 | 上海浦东威立雅自来水有限公司 | Absorbing device of the leaked ammonia gas |
| CN201449374U (en) * | 2008-11-20 | 2010-05-05 | 郭振和 | Automatic color-and-photoelectricity microbial identification system |
| CN101554563A (en) * | 2008-12-12 | 2009-10-14 | 林明 | Processing method of harmful gases generated during roasting and heating of aluminum ammonium sulfate |
| CN201324596Y (en) * | 2008-12-30 | 2009-10-14 | 江苏远洋化学有限公司 | Ammoniac exhaust gas recovery device |
| CN102564813A (en) * | 2011-12-20 | 2012-07-11 | 广东电网公司电力科学研究院 | Sampling system and sampling method for performance test of flue gas denitration system in utility boiler |
| CN202533295U (en) * | 2011-12-20 | 2012-11-14 | 广东电网公司电力科学研究院 | Sampling system of power boiler fume denitration system performance test |
| CN102818783A (en) * | 2012-09-07 | 2012-12-12 | 武汉钢铁(集团)公司 | Method and device for measuring ammonia escape amount in sintering flue gas ammonia-process desulfurization technique |
Non-Patent Citations (4)
| Title |
|---|
| 关文达: "《汽车构造（上册）》", 31 December 2004, article "第7章 发动机润滑系", pages: 228 * |
| 国家能源局: "《中华人民共和国电力行业标准 DL/T 260-2012》", 31 July 2012, article "燃煤电厂烟气脱硝装置性能验收试验规范", pages: 2 - 12-15 * |
| 朱松: "合成气中氨含量测定方法的改进", 《安徽化工》, no. 1, 31 December 2003 (2003-12-31) * |
| 王炳强: "《室内环境检测技术》", 31 December 2005, article "第五章室内空气中无机污染物检测方法", pages: 171 * |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104236988A (en) * | 2014-10-11 | 2014-12-24 | 江苏交科工程检测技术有限公司 | Ammonia escape analyzer pretreatment device, using method and purposes |
| CN104458869A (en) * | 2014-11-10 | 2015-03-25 | 深圳泽峰环保技术有限公司 | Online ammonia escape monitoring and analyzing method and online ammonia escape monitoring and analyzing instrument |
| CN104807964A (en) * | 2015-04-24 | 2015-07-29 | 西安热工研究院有限公司 | On-line detection device and method for gas-liquid transfer method escaping ammonia |
| CN104807964B (en) * | 2015-04-24 | 2016-09-14 | 西安热工研究院有限公司 | A kind of gas-liquid transfer method escape ammonia on-line measuring device and method |
| CN105004761A (en) * | 2015-06-26 | 2015-10-28 | 华电电力科学研究院 | Denitration system escaping ammonia on-line continuous monitoring device and method |
| CN105158422A (en) * | 2015-09-30 | 2015-12-16 | 华电电力科学研究院 | Device and method for measuring ammonia escape content in flue gas and ammonia escape content in smoke dust simultaneously |
| CN105158422B (en) * | 2015-09-30 | 2017-01-25 | 华电电力科学研究院 | Device and method for measuring ammonia escape content in flue gas and ammonia escape content in smoke dust simultaneously |
| CN105527381A (en) * | 2016-01-07 | 2016-04-27 | 长沙三相医疗器械有限公司 | Ammonia catcher, ammonia detection device and method for detecting ammonia |
| CN111610297A (en) * | 2020-06-19 | 2020-09-01 | 北京国电龙源环保工程有限公司 | Constant volume absorption device for ammonia escape measurement by absorption method and working method thereof |
| CN111982611A (en) * | 2020-08-12 | 2020-11-24 | 北京国电龙源环保工程有限公司 | Online detection device and detection method for ammonia in flue gas |
| CN113984459A (en) * | 2021-09-17 | 2022-01-28 | 西安科技大学 | Method and device for measuring ammonia release in preparation process of magnesium slag and fly ash-based filling paste |
| CN113984459B (en) * | 2021-09-17 | 2023-02-07 | 西安科技大学 | Method and device for measuring ammonia release in preparation process of magnesium slag and fly ash-based filling paste |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103033600A (en) | Determination method and determination device for ammonia escape | |
| CN105181902A (en) | Device and method for measuring ammonia escape concentration on line on basis of liquid absorption method | |
| CN108037115B (en) | Sulfur dioxide detection system and detection method | |
| CN207248581U (en) | A kind of sampling system for being used to measure escape ammonia density total in flue gas | |
| CN103558212B (en) | Nitrogen dioxide testing device and detection method | |
| CN102879239A (en) | Flue gas pre-treatment type sampling and analysis device and method for escaping ammonia of denitration system of power plant | |
| CN102818783B (en) | Method and device for measuring ammonia escape amount in sintering flue gas ammonia-process desulfurization technique | |
| CN108014610A (en) | Ammonia desulfurizing process and its desulfurizer | |
| CN102735714A (en) | Particle organic carbon and total organic carbon determinator and determination method | |
| CN205049550U (en) | Device of ammonia escape content in while testing flue gas and smoke and dust | |
| CN205861640U (en) | A kind of vehicle-mounted natural gas sulfurated hydrogen detection equipment | |
| CN105158422B (en) | Device and method for measuring ammonia escape content in flue gas and ammonia escape content in smoke dust simultaneously | |
| CN208255193U (en) | Flue gas detector that is a kind of while detecting nitrogen oxides and ammonia | |
| CN206192961U (en) | Denitration catalyst capability test device | |
| CN203287361U (en) | Device for testing desulfurization efficiency | |
| CN205991970U (en) | A kind of online sulfur trioxide apparatus for measuring concentration based on liquid absorption method | |
| CN212180412U (en) | Denitration tail gas on-line monitoring removes ammonia device | |
| CN103336087B (en) | Testing device of desulphurization efficiency and testing method thereof | |
| CN205562228U (en) | Dilute sampling room and dilute sample thief | |
| CN106596857A (en) | Device and method for testing fogdrop content in smoke gas | |
| CN210154875U (en) | Denitration escape ammonia sampling detection device | |
| CN208340485U (en) | Ammonia desulfuration equipment | |
| CN209280672U (en) | A kind of SCR denitration full-scale performance evaluation system | |
| CN206208615U (en) | A kind of confession field or the sample rapid treatment instrument of onsite application | |
| CN206756538U (en) | A kind of flue gas NOX multidraw devices |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20130410 |