CN103913548A - Experimental device and method for researching selective non-catalytic reducing property in new dry process cement decomposing furnace - Google Patents
Experimental device and method for researching selective non-catalytic reducing property in new dry process cement decomposing furnace Download PDFInfo
- Publication number
- CN103913548A CN103913548A CN201410138002.7A CN201410138002A CN103913548A CN 103913548 A CN103913548 A CN 103913548A CN 201410138002 A CN201410138002 A CN 201410138002A CN 103913548 A CN103913548 A CN 103913548A
- Authority
- CN
- China
- Prior art keywords
- gas
- quartz reactor
- solid material
- outer tube
- quartz
- 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.)
- Granted
Links
Landscapes
- Investigating Or Analyzing Non-Biological Materials By The Use Of Chemical Means (AREA)
Abstract
The invention discloses an experimental device and method for researching a selective non-catalytic reducing property in a new dry process cement decomposing furnace. The experimental device is composed of a distribution unit, a reaction unit and a sampling analysis unit, wherein the distribution unit is composed of an air source, a mass flow controller, a mixing tank and a peristaltic pump; the reaction unit is composed of a quartz reactor of a simulating decomposing furnace, a vertical tubular electric furnace and a temperature controlling instrument; the sampling analysis unit is composed of a bubble absorption pipe, an atmospheric sampling instrument and a flue gas analyzer. The experimental device and the experimental method provided by the invention have the advantages that the distribution refers to practical atmosphere conditions, including solid material condition, in the cement decomposing furnace, and compared with a fixed bed test in the prior art, the experimental device and method have the effects that a gas-solid contact state in the cement kiln decomposing furnace can be simulated more effectively, the gas-solid contact time is prolonged, data obtained by the test more conforms to a real condition, and thus, the experimental device and the experimental method are higher in comprehensiveness and practicability.
Description
Technical field
The present invention relates to a kind of experimental provision and method of studying SNCR performance in New Type Dry-process Cement Production dore furnace.
Background technology
Cement industry is one of most important starting material manufacture of China.Due to the burning of high temperature and the nitrogenous fuel of cement production process, cement kiln end can discharge a large amount of oxides of nitrogen.The nitrogen oxide emission of China's cement industry is only second to Thermal Power Generation Industry and transportation at present, becomes the third-largest oxides of nitrogen manual emission source.And national cement industry pollutant emission standard is also increasingly strict to the emission limit of oxides of nitrogen.The application of denitration technology in cement industry receives publicity day by day.China's cement kiln denitration technology is also in the starting stage, and the denitration mode of exploring economical and efficient is the main direction of studying in this field.
SNCR (selective non-catalytic reduction, SNCR) is a kind of method of denitration that utilizes nitrogenous reducing agent nitrogen oxides reduction under preference temperature of 20 century 70 foreign scholar inventions.The method has been tending towards ripe in the application of the industries such as thermoelectricity.In new dry process rotary kiln, the temperature of dore furnace and gas residence time be able to meet the technological requirement of SNCR, therefore it should be noted that the feasibility that SNCR is applied to cement kiln dore furnace.The engineering project of the external cement mill that early has application SNCR denitration, but these projects denitration effect is separately widely different.Main cause is the gaseous environment complexity in cement kiln dore furnace, and the raw material dust that contains high concentration, be subject to the impact of the factors such as operating conditions, also there were significant differences for the condition of different parts in dore furnace, and the denitration effect that these conditions all can appreciable impact SNCR.How to make the application of SNCR on cement kiln become the more economical problem that people pay close attention to that efficiently becomes.And influence factor and the influence mode of exploring SNCR performance in cement kiln dore furnace have directive significance to the realization of this target.Though Chinese scholars is more on the impact research of SNCR about gaseous component at present, but great majority research is not for cement decomposing furnace, so atmospheric condition does not conform to the atmosphere in manufacture of cement dore furnace, research conclusion is not exclusively applicable to the SNCR process in dore furnace.At present about cement slurry on the impact research of SNCR seldom, and reactor overwhelming majority that researcher adopts be fixed bed reactors, and material and gas are short duration of contact, can not simulate well the situation that the interior raw material of cement decomposing furnace spurt.
Summary of the invention
The present invention aims to provide a kind of experimental provision and experimental technique of studying SNCR performance in New Type Dry-process Cement Production dore furnace.The distribution of described experimental provision is with reference to the actual atmospheric condition in manufacture of cement dore furnace, and can simulate by changing the concentration of each gaseous component the atmosphere of different parts in dore furnace, in Practical Project, change the impact of reductive agent point of addition on SNCR performance to investigate.The solid material of this experimental provision selects one or more components in cement slurry to be configured, and can investigate the impact of each component on SNCR performance in cement slurry in dore furnace.Compared with fixed bed test, this experimental provision and experimental technique can be simulated better cement produced with the dry method and be produced the gas-solid contact state in dore furnace, and increase gas-solid contact time, makes to test the data obtained and truth is more identical.Thereby the present invention has more comprehensive and practicality.
First the present invention provides that a kind of described experimental provision is made up of three parts for studying the experimental provision of SNCR performance in New Type Dry-process Cement Production dore furnace, is respectively distribution unit, reaction member and sampling analysis unit.
Distribution unit is made up of source of the gas (comprising the gas cylinder of air compressor machine and the various calibrating gas of storage), mass flow controller, mixing tank and peristaltic pump.Gas composition in source of the gas except water vapor comes from air compressor machine and gas cylinder, and the water vapor in source of the gas with peristaltic pump, water is quantitatively injected to gas circuit and at high temperature vaporization provides.The flow of source of the gas gas is accurately controlled by mass flow controller.Mixing tank is for fully mixing each gas composition.The gas circuit of connecting components adopts teflon hose or stainless-steel tube, to reduce the impact on gas composition of physical reaction between tube wall and gas.
Reaction member forms by simulating the quartz reactor of dore furnace, vertical tubular electric furnace and temperature controller.Quartz reactor is internal and external casing structure, and has two air intake openings.Simulated flue gas enters outer tube by lower end air intake opening, and reductibility air-flow enters inner tube by upper end air intake opening, and two strands of air-flows have preheating section separately.Inner tube end is positioned at outer tube inside, and the even perforate of inner tube sidewall, and the gas in inner tube diffuses into outer tube by side-wall hole, so that two strands of air-flows fully mix and react.In quartz reactor, have the quartz sand sieve plate of load bearing solid material, and quartz sand sieve plate is positioned at the top of air-flow mixing place, and is fixed between outer tube wall and outer wall of inner tube.The combination gas moving upward in outer tube can blow the solid material in quartz sand sieve plate to suspended state.Quartz reactor topmost is the spherical gas solid separation chamber that radius is greater than outer tube caliber.Top, spherical gas solid separation chamber is provided with gas outlet.The end of gas outlet adopts standard frosted mouth to be connected with follow-up glass tube.Also feeding in raw material and discharge port as solid material of gas outlet simultaneously.Quartz reactor is by vertical tubulose heating by electric cooker, and temperature is regulated and controled by thermopair coupling automatic temperature control instrument.
Sampling analysis unit is made up of bubble absorption pipe, atmosphere sampling instrument and flue gas analyzer.Be provided with gas sampling point near the position of quartz reactor lower end air intake opening and gas outlet.Ammonia is sampled with the bubble absorption pipe and the atmosphere sampling instrument that fill quantitative sulfuric acid absorption liquid, and detects by nessler reagent spectrophotometric method; The concentration of oxygen, oxides of nitrogen, carbon monoxide, sulphuric dioxide is measured by flue gas analyzer.
The present invention also provides a kind of experimental technique that adopts SNCR performance in research New Type Dry-process Cement Production dore furnace, specifically comprises the steps:
(a) solid material of quantitative simulation cement raw material component is joined to the outer tube inside of quartz reactor from the gas outlet of quartz reactor, rapping quartz reactor outer tube gently, is uniformly distributed in quartz sand sieve plate solid material.
(b) connect gas circuit.Instrument start preheating, arranges thermopair coupling automatic temperature control instrument heating schedule.
(c) heating schedule of startup thermopair coupling automatic temperature control instrument starts heating.Only in quartz reactor, pass into the air suitable with testing flow simultaneously.
(d), when heating schedule is raised to assigned temperature and waits the interior temperature stabilization of quartz reactor, gaseous component is adjusted to experiment value by experimental study object, and after reaching balance, the concentration of the each gas composition of sampling analysis.
(e) experiment finishes the rear air blowing quartz reactor of using, and closes each instrument, after quartz reactor is cooling, solid material is drawn off.
(f) according to research needs, change solid material, gas phase composition, point of addition and temperature of reaction, repeat the step of (a)～(e), thereby set up the relation between each influence factor and SNCR denitration performance (comprising denitration efficiency, the escaping of ammonia).Described influence factor comprises point of addition and the temperature of reaction of solid material component, gas phase composition, reductive agent.
Advantage of the present invention is:
The configuration of gas and solid material is produced actual atmospheric condition and the cement slurry composition in dore furnace with reference to cement produced with the dry method respectively.Compared with fixed bed of the prior art test, the present invention is the gas-solid contact state in Simulated Water stall dore furnace better, increases gas-solid contact time, makes to test the data obtained and truth is more identical.Thereby the present invention has more comprehensive and practicality.
Brief description of the drawings
Fig. 1 is the structure composition schematic diagram of experimental provision of the present invention;
Fig. 2 is quartz reactor structural representation of the present invention.
In figure:
1. gas cylinder; 2. air compressor machine; 3. mass flow controller; 4. water or reductant solution;
5. peristaltic pump; 6. mixing tank; 7. quartz reactor; 8. vertical tubular electric furnace;
9. thermopair; 10. automatic temperature control instrument; 11. bubble absorption pipes; 12. atmosphere sampling instruments;
13. flue gas analyzers; 14. lower end air intake openings; 15. upper end air intake openings; 16. outer tubes;
17. inner tubes; 18. quartz sand sieve plate; 19. conversion zones; 20. gas solid separation chambers;
21. gas outlets.
Embodiment
Below in conjunction with drawings and Examples, the present invention is described in detail.
First the present invention provides a kind of experimental provision of studying SNCR performance in New Type Dry-process Cement Production dore furnace, and described experimental provision is made up of three parts, is respectively distribution unit, reaction member and sampling analysis unit.
As shown in Figure 1, distribution unit is made up of source of the gas (being provided by the gas cylinder 1 and the air compressor machine 2 that store various calibrating gas), mass flow controller 3, mixing tank 6 and peristaltic pump 5.Nitrogen, carbon dioxide, carbon monoxide, sulphuric dioxide and nitrogen monoxide in gaseous reducing agent ammonia and simulated flue gas come from gas cylinder 1, oxygen in simulated flue gas comes from air compressor machine 2, and every kind of gas is controlled flow by mass flow controller 3 separately respectively.The flow of water or reductant solution 4 is controlled by peristaltic pump 5.The each component of simulated flue gas and oxygen after mass flow controller 3 separately, enter before quartz reactor 7, be introduced into mixing tank 6 so that each gas composition is fully mixed.Ammonia directly enters by the upper end air intake opening 15 of quartz reactor 7, and water or reductant solution 4 also enter by the upper end air intake opening 15 of quartz reactor 7 after by peristaltic pump 5.For reducing the impact of gas piping on gas composition, the gas circuit between connecting components adopts teflon hose or stainless-steel tube.
Reaction member is made up of quartz reactor 7, vertical tubular electric furnace 8 and the temperature controller 10 of simulating dore furnace.As shown in Figure 2, quartz reactor 7 is internal and external casing structure, and has two gas accesses, is respectively the lower end air intake opening 14 that is communicated with outer tube 16 and the upper end air intake opening 15 that is communicated with inner tube 17.Simulated flue gas in mixing tank 6 enters outer tube 16 by lower end air intake opening 14.Water or reductant solution 4 are injected into inner tube 17 by upper end air intake opening 14, and water or reductant solution 4 enter after inner tube 17, at high temperature vaporization rapidly, and the ammonia air-flow being entered by upper end air intake opening 15 is brought into inner tube 17 bottoms.In quartz sand sieve plate, the part below 18 and inner tube 17 whole tube sections are the preheating bringing-up section of reductive agent air-flow to outer tube 16.Inner tube 17 ends are positioned at outer tube 16 inside, and the even perforate of inner tube 17 end sidewall, and reductive agent air-flow is diffused into inner tube 17 outsides by the side-wall hole in inner tube 17, fully mixes with the simulated flue gas in outer tube 16.In quartz reactor 7, have the quartz sand sieve plate 18 of load bearing solid material, and quartz sand sieve plate 18 is positioned at the top (being the top position of inner tube 17 end side-wall holes) of air-flow mixing place.Upwards flow through quartz sand sieve plate 18 solid material on it is blown to fluidisation state of mixed gas, each gaseous component and solid material are positioned at the top position of the quartz sand sieve plate 18 of outer tube 16 inside at conversion zone 19() there is pure gas phase and solid material surface catalysis under SNCR reaction.The solid material of reacted gas and part small particle diameter enters the gas solid separation chamber 20 of quartz reactor 7 topmosts.Described gas solid separation chamber 20 is greater than the spheroid form of outer tube 16 external diameters for cross section diameter, and gas flow rate declines herein, and the small particle diameter solid material that is brought to this place is deposited to inwall the landing of separation chamber 20 and returns conversion zone 19.Gas is discharged by the gas outlet 21 at 20 tops, gas solid separation chamber.Because the gas temperature of gas outlet 21 is high, should not connect with flexible pipe and common cutting ferrule, the end of gas outlet 21 is connected with follow-up glass tube with standard frosted mouth.Gas outlet 21 is simultaneously also as charge door and the discharge port of solid material.For investigating the impact of reaction time on SNCR performance and inquiring into reaction mechanism, in experiment, also can utilize the quartz reactor 7 that quartz sand sieve plate 18 is highly different to carry out experimental study.As shown in Figure 1, quartz reactor 7 is positioned at the position of gas solid separation chamber below 20 and is heated by vertical electric tube furnace 8, and the thermometric end of thermopair 9 is placed in the middle part of reactor outer tube 16 outer walls the automatic temperature control instrument 10 that is coupled and regulates and controls the temperature of vertical electric tube furnace 8.
Sampling analysis unit is made up of bubble absorption pipe 11, atmosphere sampling instrument 12 and flue gas analyzer 13.Be provided with gas sampling point near the position of quartz reactor 7 lower end air intake openings 14 and gas outlet 21.Ammonia is sampled with the bubble absorption pipe 11 and the atmosphere sampling instrument 12 that fill quantitative sulfuric acid absorption liquid, and detects by nessler reagent spectrophotometric method; The concentration of oxygen, oxides of nitrogen, carbon monoxide, sulphuric dioxide is measured by flue gas analyzer 13.
Below by embodiment, experimental technique provided by the invention is described.
Outer tube 16 inside that with funnel, the solid material of quantitative simulation cement raw material component joined to quartz reactor 7 from gas outlet 21 on quartz reactor 7, the outer tube 16 of rapping quartz reactor 7 gently, is uniformly distributed in quartz sand sieve plate 18 solid material.
To between gas cylinder 1, air compressor machine 2, mass flow controller 3, mixing tank 6, quartz reactor 7 and sampling analysis unit, be connected with adapter with teflon hose.The power supply of opening air compressor machine 2 and mass flow controller 3 carries out preheating, and the heating schedule of temperature controller 10 is set.
Starting heating schedule starts quartz reactor 7 to heat.Simultaneously only in quartz reactor 7, pass into the air suitable with testing flow, so that the Temperature Distribution in quartz reactor 7 is comparatively fast stablized the Temperature Distribution when testing.
When heating schedule is raised to assigned temperature and waits quartz reactor 7 interior temperature stabilization, by mass flow controller 3 and peristaltic pump 5, the flow of each simulated flue gas, reductive agent and water or reductant solution is adjusted to experiment value, reaction in quartz reactor 7 after balance, starts the concentration of the each gas composition of sampling analysis gradually.
Test unit carries out in process of the test, according to content of the test, if select to adopt ammonia as reductive agent, water is pumped into quartz reactor 7 upper end air intake opening 15 pipelines by peristaltic pump 5, if select the solution such as ammoniacal liquor or urea liquid as reductive agent, close ammonia gas cylinder, peristaltic pump 5 directly pumps into reductant solution quartz reactor 7 upper end air intake opening 15 pipelines.
Experiment finishes the rear air blowing quartz reactor 7 of using, and closes instrument, after quartz reactor 7 is cooling, solid material is drawn off from gas outlet 21.
In process of the test, by sampling analysis unit, the gas at the lower end air intake opening 14 to adaptive response device 7 and 21 places, gas outlet gathers and analyzes, and obtains needed test figure.
Experimental provision provided by the invention and experimental technique, by changing flexibly the reaction conditionss such as gas phase and solid phase components, temperature of reaction, reductive agent kind, can show that denitration efficiency, the reaction product of these conditions on SNCR forms and the impact of the escaping of ammonia.Compared with traditional fixture bed experiment apparatus and method, this experimental provision and method make solid material in fluidisation state, can simulate better the state of manufacture of cement dore furnace inside, make to test the data obtained and truth is more identical, thereby rational Optimizing Suggestions is proposed the operation in Practical Project to SNCR more comprehensively and particularly.
Claims (4)
1. an experimental provision of studying SNCR performance in New Type Dry-process Cement Production dore furnace, is characterized in that: described experimental provision is made up of three parts, is respectively distribution unit, reaction member and sampling analysis unit;
Distribution unit is made up of source of the gas, mass flow controller, mixing tank and peristaltic pump, gas composition in source of the gas except water vapor comes from air compressor machine and gas cylinder, and the water vapor in source of the gas with peristaltic pump, water is quantitatively injected to gas circuit and at high temperature vaporization provides; The flow of source of the gas gas is by mass flow controller control; Mixing tank is for fully mixing each gas composition;
Reaction member forms by simulating the quartz reactor of dore furnace, vertical tubular electric furnace and temperature controller; Quartz reactor is internal and external casing structure, and has two air intake openings, is respectively inner tube upper end air intake opening and outer tube lower end air intake opening; Simulated flue gas enters outer tube by lower end air intake opening, and reductibility air-flow enters inner tube by upper end air intake opening; Inner tube end is positioned at outer tube inside, and the even perforate of inner tube sidewall, and the gas in inner tube diffuses into outer tube by side-wall hole, so that two strands of air-flows fully mix and react; In quartz reactor, have the quartz sand sieve plate of load bearing solid material, and quartz sand sieve plate is positioned at the top of air-flow mixing place, and is fixed between outer tube wall and outer wall of inner tube; The combination gas moving upward in outer tube can blow the solid material in quartz sand sieve plate to suspended state; Quartz reactor topmost is the spherical gas solid separation chamber that radius is greater than outer tube caliber, top, spherical gas solid separation chamber is provided with gas outlet, the end of gas outlet adopts standard frosted mouth to be connected with follow-up glass tube, simultaneously also feeding in raw material and discharge port as solid material of gas outlet; Quartz reactor is by vertical tubulose heating by electric cooker, and temperature is regulated and controled by thermopair coupling automatic temperature control instrument;
Sampling analysis unit is made up of bubble absorption pipe, atmosphere sampling instrument and flue gas analyzer, is being provided with gas sampling point near the position of quartz reactor lower end air intake opening and gas outlet; Ammonia is sampled with the bubble absorption pipe and the atmosphere sampling instrument that fill quantitative sulfuric acid absorption liquid, and detects by nessler reagent spectrophotometric method; The concentration of oxygen, oxides of nitrogen, carbon monoxide, sulphuric dioxide is measured by flue gas analyzer.
2. experimental provision according to claim 1, is characterized in that: in described distribution unit, reaction member and sampling analysis unit, the gas circuit of connecting components adopts teflon hose or stainless-steel tube.
3. experimental provision according to claim 1, is characterized in that: in described simulated flue gas, comprise nitrogen, carbon dioxide, carbon monoxide, sulphuric dioxide, nitrogen monoxide and oxygen.
4. an experimental technique that adopts SNCR performance in research New Type Dry-process Cement Production dore furnace, is characterized in that: the test unit providing in claim 1 is provided, specifically comprises the steps:
(a) solid material of quantitative simulation cement raw material component is joined to the outer tube inside of quartz reactor from the gas outlet of quartz reactor, solid material is uniformly distributed in quartz sand sieve plate;
(b) connect gas circuit, instrument start preheating, arranges thermopair coupling automatic temperature control instrument heating schedule;
(c) heating schedule of startup thermopair coupling automatic temperature control instrument starts heating, only in quartz reactor, passes into the air suitable with testing flow simultaneously;
(d), when heating schedule is raised to assigned temperature and the interior temperature stabilization of quartz reactor, gaseous component is adjusted to experiment value by experimental study object, and after reaching balance, the concentration of the each gas composition of sampling analysis;
(e) experiment finishes the rear air blowing quartz reactor of using, and closes each instrument, after quartz reactor is cooling, solid material is drawn off;
(f) according to research needs, change solid material component, gas phase composition and temperature of reaction, repeat (a)～step (e), thereby set up the relation between each influence factor and SNCR denitration performance; Described influence factor comprises point of addition and the temperature of reaction of solid material component, gas phase composition, reductive agent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410138002.7A CN103913548B (en) | 2014-04-08 | 2014-04-08 | A kind of experimental provision and experimental technique studying SNCR performance in New Type Dry-process Cement Production dore furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410138002.7A CN103913548B (en) | 2014-04-08 | 2014-04-08 | A kind of experimental provision and experimental technique studying SNCR performance in New Type Dry-process Cement Production dore furnace |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103913548A true CN103913548A (en) | 2014-07-09 |
| CN103913548B CN103913548B (en) | 2016-01-27 |
Family
ID=51039388
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410138002.7A Expired - Fee Related CN103913548B (en) | 2014-04-08 | 2014-04-08 | A kind of experimental provision and experimental technique studying SNCR performance in New Type Dry-process Cement Production dore furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103913548B (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105785942A (en) * | 2014-12-26 | 2016-07-20 | 中国二十冶集团有限公司 | Grouping and combined debugging method for large-scale dry method cement decentralized control system |
| CN107192795A (en) * | 2017-06-27 | 2017-09-22 | 华南理工大学 | Containing sulfur minerals are decomposed in a kind of research cyclone preheater experimental provision and method |
| CN109060704A (en) * | 2018-08-13 | 2018-12-21 | 中国华能集团有限公司 | A kind of SNCR denitration engineering test platform |
| CN109387465A (en) * | 2018-11-09 | 2019-02-26 | 上海电力学院 | A kind of experiment porch for simulating coal-fired plant flue gas pollutant removing |
| CN110297008A (en) * | 2019-08-02 | 2019-10-01 | 南京工业大学 | Controllable atmosphere pyrolysis test system and test method for solid combustible |
| CN112444595A (en) * | 2019-08-29 | 2021-03-05 | 国家能源投资集团有限责任公司 | Device and method for jointly evaluating activity of denitration and demercuration catalyst |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102080926A (en) * | 2009-11-30 | 2011-06-01 | 华新水泥股份有限公司 | High-efficiency environmentally-friendly predecomposition furnace |
| CN203323575U (en) * | 2013-03-22 | 2013-12-04 | 上海三融环保工程有限公司 | High efficient reburning deNOx device |
-
2014
- 2014-04-08 CN CN201410138002.7A patent/CN103913548B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102080926A (en) * | 2009-11-30 | 2011-06-01 | 华新水泥股份有限公司 | High-efficiency environmentally-friendly predecomposition furnace |
| CN203323575U (en) * | 2013-03-22 | 2013-12-04 | 上海三融环保工程有限公司 | High efficient reburning deNOx device |
Non-Patent Citations (5)
| Title |
|---|
| 吕刚: "水泥分解炉内NO生成和还原机理的实验及模拟研究", 《万方学位论文数据库》 * |
| 吕刚等: "分解炉内不同CO2体积分数下的煤粉及煤焦还原NO特性", 《燃烧科学与技术》 * |
| 梁秀进等: "气态氨作还原剂的SNCR脱硝工艺的试验研究与模拟", 《热能动力工程》 * |
| 王鸿等: "气相组分对氨吸收同步脱除模拟烟气SO2和NOx的影响", 《环境科学》 * |
| 赵炬明等: "复合气体添加剂影响SNCR简化反应机理模型", 《节能技术》 * |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105785942A (en) * | 2014-12-26 | 2016-07-20 | 中国二十冶集团有限公司 | Grouping and combined debugging method for large-scale dry method cement decentralized control system |
| CN105785942B (en) * | 2014-12-26 | 2018-09-14 | 中国二十冶集团有限公司 | Large-scale cement produced with the dry method scattered control system packet joining adjustment method |
| CN107192795A (en) * | 2017-06-27 | 2017-09-22 | 华南理工大学 | Containing sulfur minerals are decomposed in a kind of research cyclone preheater experimental provision and method |
| WO2019000807A1 (en) * | 2017-06-27 | 2019-01-03 | 华南理工大学 | Experimental device and method for studying decomposition of sulfur-containing minerals in cyclone preheater |
| CN107192795B (en) * | 2017-06-27 | 2023-09-19 | 广东万引科技发展有限公司 | Experimental device and method for researching decomposition of sulfur-containing minerals in cyclone preheater |
| CN109060704A (en) * | 2018-08-13 | 2018-12-21 | 中国华能集团有限公司 | A kind of SNCR denitration engineering test platform |
| CN109387465A (en) * | 2018-11-09 | 2019-02-26 | 上海电力学院 | A kind of experiment porch for simulating coal-fired plant flue gas pollutant removing |
| CN110297008A (en) * | 2019-08-02 | 2019-10-01 | 南京工业大学 | Controllable atmosphere pyrolysis test system and test method for solid combustible |
| CN110297008B (en) * | 2019-08-02 | 2024-03-08 | 南京工业大学 | Solid combustible controllable atmosphere pyrolysis test system and test method |
| CN112444595A (en) * | 2019-08-29 | 2021-03-05 | 国家能源投资集团有限责任公司 | Device and method for jointly evaluating activity of denitration and demercuration catalyst |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103913548B (en) | 2016-01-27 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103913548B (en) | A kind of experimental provision and experimental technique studying SNCR performance in New Type Dry-process Cement Production dore furnace | |
| CN105606758A (en) | Method and device for studying mechanism that secondary organic aerosol is produced by photo-oxidation transformation of fuel coal | |
| CN107192795B (en) | Experimental device and method for researching decomposition of sulfur-containing minerals in cyclone preheater | |
| CN103113904B (en) | Experimental device for coal and biomass pyrolysis experiment | |
| CN108195993A (en) | A kind of SCR denitration full-scale performance detection evaluating apparatus and its application process | |
| CN204359763U (en) | Shaping SCR catalyst activation evaluating system | |
| CN105664747B (en) | A kind of static mixer for urea seeding hydrolysis | |
| CN110064302A (en) | A kind of honeycomb type denitrification catalyst SO2Oxygenation efficiency real-time on-line detecting method and device | |
| CN105823820A (en) | Catalyst evaluating apparatus | |
| CN105572028A (en) | Simulated boiler high-temperature smoke gas corrosion test device | |
| CN102798564B (en) | Multi-channel gas mixed flow device | |
| CN103728432A (en) | Coal-fired flue gas mercury homogeneous/heterogeneous reaction form transformation mechanism device and method for detecting form of mercury by using same | |
| CN203803374U (en) | Catalytic wet air oxidation desulfurization and denitrification device | |
| CN105938139A (en) | Tail gas detection and absorption device for nitric acid production and installation method thereof | |
| KR20160116673A (en) | Gas diluter | |
| CN207215777U (en) | The experimental provision that containing sulfur minerals decompose in a kind of research cyclone preheater | |
| CN202870101U (en) | Sulfur analyzer capable of accurately measuring sulfur contents in combustibles | |
| CN110514779A (en) | A kind of experimental system and method for studying coal powder and electrolytic aluminum scraps multifuel combustion characteristic | |
| CN202661321U (en) | Multi-channel gas mixed flow device | |
| CN205879903U (en) | Tail gas detection absorbing device of nitric acid manufacture | |
| CN104454101A (en) | Multi-channel detection device for automobile exhaust purifiers | |
| CN204832135U (en) | Standard gas generating device | |
| CN105217585B (en) | Double pressurized method nitric acid production plant | |
| CN108037236B (en) | Experimental device for collecting quantitative analysis gas of methane conversion rate in torch discharge | |
| CN203616306U (en) | Tester |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160127 Termination date: 20180408 |