CN203870075U - Active coke desulfurization and denitration performance characterization test device - Google Patents
Active coke desulfurization and denitration performance characterization test device Download PDFInfo
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- CN203870075U CN203870075U CN201420296752.2U CN201420296752U CN203870075U CN 203870075 U CN203870075 U CN 203870075U CN 201420296752 U CN201420296752 U CN 201420296752U CN 203870075 U CN203870075 U CN 203870075U
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Abstract
The utility model discloses an active coke desulfurization and denitration performance characterization test device. The device comprises a simulation gas source system (1), a simulation automatic flue gas distribution system (5), a heating reaction furnace simulation reactor system, a flue gas monitoring and tail gas treatment system and an automatic computer display control system (7). The device is simple, rapid and convenient to operate, and quickly and accurately characterizes performance indexes such as desulfurization and denitration of active coke products used for dye flue gas purification of active coke. Interference of human factors in the process of experiment evaluation is reduced, and working efficiency of experiments is improved. By the device, change characteristics of active coke desulfurization and denitration performances before, during and after operation of the dye flue gas purification technique of the active coke can be known and evaluated in time, and technical data support is provided for design and operation of dye flue gas purification engineering of the active coke.
Description
Technical field
The utility model belongs to air pollution control technique field, relates generally to the absorption for the subtractive process of coal-fired plant flue gas, non-ferrous metal metallurgy tail gas, sintering tail gas and other sulfur dioxide in flue gas, oxides of nitrogen, heavy metal and other pollutant, the desulphurization denitration performance evaluation proving installation of catalyzer.
Background technology
Active coke dry-method desulfuration denitration technology is in recent years because it is integrated, wide range purifies, water consumption, sulphur resource can not reclaim the features such as comprehensive utilization and develop very fast at home and abroad.Activated coke plays key effect as adsorbent and the catalyzer of active coke dry-method desulfuration denitration in this technological process.The core material purifying as activated coke dry method flue gas, its quality good or not is directly connected to design, construction, operation and the maintenance cost of activated coke dry method flue gas purification techniques.Therefore adopt which kind of device, how its quality is characterized and to be passed judgment on, particularly the evaluation of desulphurization denitration performance and sign, become one of key of activated coke dry method flue gas purification techniques.
As everyone knows, both at home and abroad flue gas desulfurization and denitrification, by activated coke product technology content and test method with the exploitation of its product with the application of synchronized in market is carried out, mainly relies on the requirement of each active coke dry-method desulfuration denitrification apparatus producer and determines.China Coal Research Institute, according to the activated coke dry flue gas desulphurization denitration technology of its exploitation, has been formulated the saturated Sulfur capacity method of testing of activated coke, and has formed coal industry standard MT MT998-2006.The saturated Sulfur capacity of activated coke/charcoal that the method is mainly used desulfurization is that a sulphoxylic acid gain in weight of activated coke/charcoal is tested, and there is no objective, to give expression to really activated coke desulfurization performance.The patent No./patent No.: 200910113055.2 1 kinds of method and apparatus that detect for fume denitration catalyst activity agent.This patent is mainly used in the activity rating of SCR denitrating catalyst, is not suitable for carrying out Characterization and evaluation with the desulphurization denitration performance of gas cleaning activated coke.The patent No./patent No.: 201210001373.1 1 kinds of device and application thereof of evaluating for flue gas pollutant adsorbent.This patent provides a kind of device and the application thereof of various adsorbents to coal-fired power station boiler flue gas pollutant removal effect of evaluating quickly and easily, the adsorption assessment to Mercury In Coal Combustion Flue Gas particularly, this device has good adsorption effect in order to guarantee adsorbent, adopted a large amount of filling fillers and adsorbent to load in mixture the way of adsorbing again, in can not real simulation gas cleaning commercial applications, activated coke be as the time of day of sorbing material operation, be difficult to really simulate industrial applications state, be difficult to reach Simulation evaluation effect.The patent No./patent No.: 201020139307.7 simulation gas analysis systems.This patent provides a kind of effect of the flue gas that can discharge various charcoal treatment boilers, heating kiln by test to detect, and improves the simulation gas analysis system of the work efficiency of test.But the shortcomings such as this patent exists system architecture complicated, and operation easier is large, and the test period is long, and test materials amount is large, and testing cost is high, are difficult to popularize, and practicality is not strong.The patent No./patent No.: CN201310228085.4 while desulphurization denitration mercury removal device.This patent object is to provide a kind of reliable and stable, convenient and practical a kind of while desulphurization denitration mercury removal device.This patent adopts gas ions oxidation-charcoal absorption coupling to reach its clean-up effect to pollutant, processing technology routine relative complex, and technology is relatively immature, there is no ripe commercial applications, only can be as the simulation experiment system under a kind of laboratory condition.
Meanwhile, above-mentioned several pollutant evaluations and treating apparatus, adopt labor measurement method mostly, and very high to the technical requirement of survey crew, needs technical professional to realize.Test process is wasted time and energy, and efficiency is not high, and measuring repeatability is difficult to guarantee, cannot accurately characterize active coke desulphurizing denitration performance, the requirement that provides relevant data technique to support in commercial applications for Flue Gas Purification Technology Using Activated Coke.
Utility model content
The technical problems to be solved in the utility model is to provide a kind of active coke desulphurizing denitration performance characterization test device.
For solving the problems of the technologies described above, the technical solution of the utility model is as follows:
A kind of active coke desulphurizing denitration performance characterization test device, comprise simulation air supply system 1, simulated flue gas automatic gas distribution system 5, heating reaction furnace analogue reactor system, the automatic display control program 7 of flue gas monitoring and exhaust treatment system and computing machine, between described simulation air supply system 1 and simulated flue gas automatic gas distribution system 5, by pipeline, be connected, described simulated flue gas automatic gas distribution system 5, heating reaction furnace analogue reactor system and flue gas monitoring and exhaust treatment system, by the automatic display control program 7 of pipeline and computing machine, be connected respectively, wherein, described simulation air supply system 1 comprises gas cylinder group and distilled water storage tank 18, described simulated flue gas automatic gas distribution system 5 comprises the surely wet module 4 of distribution module 2, simulated flue gas humidification module 3 and simulated flue gas, described distribution module 2 is comprised of solenoid valve, high-precision digital mass flowmeter (MFC), retaining valve and pipeline, described simulated flue gas humidification module 3 is comprised of thermostatic water-circulator bath pot, the Drexel bottle of sealing stainless steel, digital level meter, peristaltic pump, the surely wet module of described simulated flue gas is comprised of thermostatic water-circulator bath pot, high-accuracy temperature-humidity sensor, the pipeline of described heating reaction furnace analogue reactor system in connecting line companion's thermal modules, electrical heating reacting furnace 8 and the analogue reactor 1 and the analogue reactor 2 13 that are placed in described heating reaction furnace 8 form, described pipeline companion thermal modules is comprised of direct current spontaneous-heating type stainless steel pipeline (or adjustable type electric-heating belt) and temperature sensor, described heating reaction furnace 8 is comprised of the vertical side electrical heating reacting furnace that opens the door, described analogue reactor 10,13 is by air inlet section, and gas distribution section, conversion zone, exhaust section and monitoring thermal resistance form, described flue gas monitoring and exhaust treatment system absorb disposal bottle by flue gas monitoring instrument, pipeline, motorized valve and tail gas and form,
The automatic display control program 7 of described computing machine, comprise that automatic distributing unit and denitrification efficiency calculate display module automatically, described automatic distributing unit for signal of each transmission in system is fed back and with the control that links of each measuring control point, as required the source of the gas of simulated flue gas gas distributing system is managed, distribution in simulated flue gas gas distributing system component is carried out to independent assortment, according to setting value, automatically regulate simulated flue gas humidification, determine duty wet and pipeline companion thermal modules, according to electrical heating reacting furnace set temperature value, it is regulated automatically; Described denitrification efficiency is calculated display module automatically, for monitoring the temperature of activated coke responding layer, and Real time dynamic display system testing state, desulfurization and the denitration efficiency of the burnt sample of in real time automatic calculated activity also shows data.
Further, described gas cylinder comprises NO gas cylinder, O
2gas cylinder, NH
3gas cylinder, SO
2gas cylinder, CO gas cylinder, CO
2gas cylinder, high-purity N
2gas cylinder or general N
2gas cylinder.
Further, described tail gas absorbs disposal bottle and is comprised of n different tail gas absorption bottle, and in described absorption bottle, absorption liquid requires to select NaOH solution, H according to experimental test
2o
2the alkalescence of solution or other similar quality or strong oxidizing property chemical reagent and solution thereof.
Further, between described pipeline, by electric control valve connection, be connected with threeway or multiple-pass joint.
Further, described pipeline is 316L stainless steel pipeline.
The beneficial effect of technique scheme of the present utility model is as follows:
The utility model provides a kind of technical method and the device of the performance characterizations such as a kind of simple to operate, quick, convenient, active coke desulphurizing denitration accurately.Can characterize fast and accurately the performance index such as desulphurization denitration of activated coke (charcoal) product of activated coke dry method flue gas purification use.The utility model reduces the interference of the human factor in test evaluation process, improves the work efficiency of test.From activated coke dry method flue gas purification techniques operation can be understood and assess to the utility model in time, the variation characteristic of in service and postrun active coke desulphurizing denitration performance, for the design of activated coke dry method flue gas cleaning project, operation provide technical data, support.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Embodiment
Below in conjunction with accompanying drawing, principle of the present utility model and feature are described.
As shown in Figure 1, a kind of active coke desulphurizing denitration performance characterization test device, for the desulphurization denitration performance of activated coke is carried out to characterization test, comprise simulation air supply system 1, simulated flue gas automatic gas distribution system 5, heating reaction furnace analogue reactor system, flue gas monitoring and exhaust treatment system and the automatic display control program 7 of computing machine.
Between described simulation air supply system 1 and simulated flue gas automatic gas distribution system 5, by pipeline, be connected, described simulated flue gas automatic gas distribution system 5, heating reaction furnace analogue reactor system and flue gas monitoring and exhaust treatment system, be connected by the automatic display control program 7 of pipeline and computing machine respectively.
Described simulation air supply system 1 comprises gas cylinder group and distilled water storage tank (containing quantitative peristaltic pump) 18.Distillation water pot, for the source of simulated flue gas water vapour, for continuous moisturizing is provided in simulated flue gas, guarantees that in simulated flue gas, water vapour is enough, and described gas cylinder comprises NO gas cylinder, O
2gas cylinder, NH
3gas cylinder, SO
2gas cylinder, CO gas cylinder, CO
2gas cylinder, high-purity N
2gas cylinder or general N
2gas cylinder.
Described simulated flue gas automatic gas distribution system 5 comprises the surely wet module 4 of distribution module 2, simulated flue gas humidification module 3 and simulated flue gas.
Wherein, described distribution module 2 is comprised of solenoid valve, high-precision digital mass flowmeter (MFC), retaining valve and pipeline.
Described simulated flue gas humidification module 3 is comprised of thermostatic water-circulator bath pot, the Drexel bottle of sealing stainless steel, digital level meter, peristaltic pump.
The surely wet module of described simulated flue gas is comprised of thermostatic water-circulator bath pot, high-accuracy temperature-humidity sensor.
The pipeline of described heating reaction furnace analogue reactor system in connecting line companion's thermal modules, electrical heating reacting furnace 8 and the analogue reactor 1 and the analogue reactor 2 13 that are placed in described heating reaction furnace 8 form.
Described pipeline companion thermal modules is comprised of direct current spontaneous-heating type stainless steel pipeline (or adjustable type electric-heating belt) and temperature sensor.
Described heating reaction furnace 8 is comprised of the vertical side electrical heating reacting furnace that opens the door, burner hearth inside is circular pipe type, heat insulation shutoff is all arranged at burner hearth bottom and top, burner hearth internal insulation material is comprised of crystal alumina fibre, the embedded insertion thermal resistance in three sections of the upper bottoms of body of heater, control respectively fire box temperature, guarantee the consistance of burner hearth various piece temperature.
Described analogue reactor 10,13 is by air inlet section, and gas distribution section, conversion zone, exhaust section and monitoring thermal resistance form, and activated coke test sample 11,14 to be measured is filled in described analogue reactor 1 and analogue reactor 2 13.In heating reaction furnace analogue reactor system 9,12 is thermopair, for temperature test and control.
Described flue gas monitoring and exhaust treatment system absorb disposal bottle 15,16,17 by flue gas monitoring instrument, pipeline, motorized valve and tail gas and form.Described flue gas monitoring instrument is removable on-line continuous formula detector, can move according to the requirement of flue gas sampling point, can continuous 24 hours to SO
2, NO, NO
2, CO, CO
2, NH
3, H
2o, O
2and cigarette temperature, flow velocity are measured.Tail gas absorption is disposed bottle and can arbitrarily be combined as required, as: dispose bottle 15, disposal bottle 16, dispose bottle 17, or both or three in above-mentioned three have combined.Described tail gas absorbs absorption liquid in disposal bottle and requires to select NaOH solution, H according to experimental test
2o
2the alkalescence of solution or other similar quality or strong oxidizing property chemical reagent and solution thereof.
The automatic display control program 7 of described computing machine, can real-time display system state, denitrification efficiency, can preserve, query history test data.It comprises that automatic distributing unit and denitrification efficiency calculate display module automatically, described automatic distributing unit is mainly for software control part in simulated flue gas configuration, for signal of each transmission in system is fed back and with the control that links of each measuring control point, as required the source of the gas of simulated flue gas gas distributing system is managed, distribution in simulated flue gas gas distributing system component is carried out to independent assortment, according to setting value, automatically regulate simulated flue gas humidification, determine duty wet and pipeline companion thermal modules, according to electrical heating reacting furnace set temperature value, it is regulated automatically, described denitrification efficiency is calculated display module automatically, for monitoring the temperature of activated coke responding layer, and Real time dynamic display system testing state, desulfurization and the denitration efficiency of the burnt sample of in real time automatic calculated activity also shows data.
Described gas cleaning active coke desulphurizing performance simulation flue gas composition and experimental test condition are as follows:
Simulated flue gas total flow is 0.5-50L/min (status of criterion), wherein SO
2volume fraction is 0.05-2% (doing); O
2volume fraction is 4-12% (doing); CO
2volume fraction 1-10%; H
2o volume fraction is 3-14%; All the other are N
2.70-180 ℃ ± 5 ℃ of adsorption reaction temperature.Sorption reaction time is 0.5-24h.
Described gas cleaning activated coke denitration performance simulated flue gas composition and experimental test condition are as follows:
Simulated flue gas total flow is 0.5-60L/min (status of criterion), and wherein NO volume fraction is 100-1000ppm (doing); NH
3volume fraction is 100-1000ppm (doing), CO volume fraction 50-500ppm; O2 volume fraction is 4-12% (doing), H
2o volume fraction is 3-14%, and all the other are N
2.Temperature of reaction 60-180 ℃.Reaction time is 2-72h.
Embodiment 1
The activated coke sample that the diameter that Qu Mou activated coke factory produces is 9mm, it is carried out to desulfurization performance characterizes and test: in simulation air supply system 1, add gas, at simulated flue gas automatic gas distribution system 5, adjusting simulated flue gas total flow is 0.5L/min (status of criterion), wherein SO
2volume fraction is 0.05% (doing); O
2volume fraction is 4% (doing); CO
2volume fraction 1-10%; H
2o volume fraction is 3%; All the other are N
2.The activated coke sample taking is put into heating reaction furnace analogue reactor system and carry out adsorption reaction, temperature 70 C, sorption reaction time is 0.5h.Its mean efficiency of desulfurization of same sample parallel testing is 94%.
Embodiment 2
The activated coke sample that the diameter that Qu Mou activated coke factory produces is 9mm, it is carried out to desulfurization performance characterizes and test: in simulation air supply system 1, add gas, at simulated flue gas automatic gas distribution system 5, adjusting simulated flue gas total flow is 50L/min (status of criterion), wherein SO
2volume fraction is 2% (doing); O
2volume fraction is 12% (doing); CO
2volume fraction 1-10%; H
2o volume fraction is 14%; All the other are N
2.The activated coke sample taking is put into heating reaction furnace analogue reactor system and carry out adsorption reaction, 180 ℃ of temperature, sorption reaction time is 24h.Its mean efficiency of desulfurization of same sample parallel testing is 94%.
Embodiment 3
The activated coke sample that the diameter that Qu Mou activated coke factory produces is 5mm, carries out denitration performance to it and characterizes and test: adjusting simulated flue gas total flow is 0.5L/min (status of criterion), and wherein NO volume fraction is 100ppm (doing); NH3 volume fraction is 100ppm (doing), CO volume fraction 50ppm; O
2volume fraction is 4% (doing), H
2o volume fraction is 3%, and all the other are N
2.60 ℃ of temperature of reaction.Reaction time is 2h.Its denitration efficiency of same sample parallel testing is 84.7%.
Embodiment 4
The activated coke sample that the diameter that Qu Mou activated coke factory produces is 5mm, carries out denitration performance to it and characterizes and test: adjusting simulated flue gas total flow is 60L/min (status of criterion), and wherein NO volume fraction is 1000ppm (doing); NH3 volume fraction is 1000ppm (doing), CO volume fraction 500ppm; O
2volume fraction is 12% (doing), H
2o volume fraction is 14%, and all the other are N
2.180 ℃ of temperature of reaction.Reaction time is 72h.Its denitration efficiency of same sample parallel testing is 84.7%.
Embodiment 5
Get the activated coke sample that certain power-plant flue gas active coke dry-method desulfuration pilot scale plant diameter is 5mm, respectively it is carried out to desulfurization performance and denitration performance characterizes simultaneously.Reaction test temperature 70 C is set, reaction test time 10h.Desulfurization test simulation flue gas total flow is 0.5L/min (status of criterion), wherein SO
2volume fraction is 0.05% (doing); O
2volume fraction is 4% (doing); CO
2volume fraction 1%; H
2o volume fraction is 3%; All the other are N
2.Its mean efficiency of desulfurization is 98.1%.Denitration test simulation flue gas total flow is 0.5L/min (status of criterion), and wherein NO volume fraction is 100ppm (doing); NH
3volume fraction is 100ppm (doing), CO volume fraction 50ppm; O
2volume fraction is 4% (doing), H
2o volume fraction is 3%, and all the other are N
2.Its denitration efficiency is 82.3%.
Embodiment 6
Get the activated coke sample that certain power-plant flue gas active coke dry-method desulfuration pilot scale plant diameter is 5mm, respectively it is carried out to desulfurization performance and denitration performance characterizes simultaneously.180 ℃ of reaction test temperature are set, reaction test time 12h.Desulfurization test simulation flue gas total flow is 50L/min (status of criterion), wherein SO
2volume fraction is 2% (doing); O
2volume fraction is 12% (doing); CO
2volume fraction 10%; H
2o volume fraction is 14%; All the other are N
2.Its mean efficiency of desulfurization is 98.1%.Denitration test simulation flue gas total flow is 60L/min (status of criterion), and wherein NO volume fraction is 1000ppm (doing); NH
3volume fraction is 1000ppm (doing), CO volume fraction 500ppm; O
2volume fraction is 12% (doing), H
2o volume fraction is 14%, and all the other are N
2.Its denitration efficiency is 82.3%.
The above is preferred implementation of the present utility model; should be understood that; for those skilled in the art; do not departing under the prerequisite of principle described in the utility model; can also make some improvements and modifications, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (5)
1. an active coke desulphurizing denitration performance characterization test device, it is characterized in that, comprise simulation air supply system (1), simulated flue gas automatic gas distribution system (5), heating reaction furnace analogue reactor system, the automatic display control program of flue gas monitoring and exhaust treatment system and computing machine (7), between described simulation air supply system (1) and simulated flue gas automatic gas distribution system (5), by pipeline, be connected, described simulated flue gas automatic gas distribution system (5), heating reaction furnace analogue reactor system and flue gas monitoring and exhaust treatment system, by the automatic display control program of pipeline and computing machine (7), be connected respectively, wherein,
Described simulation air supply system (1) comprises gas cylinder group and the distilled water storage tank (18) being comprised of m gas cylinder, m >=2;
Described simulated flue gas automatic gas distribution system (5) comprises the surely wet module (4) of distribution module (2), simulated flue gas humidification module (3) and simulated flue gas; Described distribution module (2) is comprised of solenoid valve, mass flowmeter (MFC), retaining valve; Described simulated flue gas humidification module (3) is comprised of thermostat water bath, the Drexel bottle of sealing stainless steel, digital level meter, peristaltic pump; The surely wet module (4) of described simulated flue gas is comprised of thermostat water bath, Temperature Humidity Sensor;
Described heating reaction furnace analogue reactor system forms by being attached to pipeline companion's thermal modules, electrical heating reacting furnace (8) of all connecting lines between simulated flue gas automatic gas distribution system (5) export pipeline and analogue reactor (10) and (13) entrance pipe and analogue reactor one (10) and the analogue reactor two (13) being placed in described heating reaction furnace (8); Described pipeline companion thermal modules is comprised of direct current spontaneous-heating type stainless steel pipeline (or adjustable type electric-heating belt) and temperature sensor; Described heating reaction furnace (8) is comprised of electrical heating reacting furnace; Described analogue reactor (10), (13) are by air inlet section, and gas distribution section, conversion zone, exhaust section and monitoring thermal resistance form;
Described flue gas monitoring and exhaust treatment system absorb disposal bottle by flue gas monitoring instrument, motorized valve and tail gas and form;
The automatic display control program of described computing machine (7), comprises that automatic distributing unit and denitrification efficiency calculate display module automatically.
2. proving installation as claimed in claim 1, is characterized in that: described gas cylinder is NO gas cylinder, O
2gas cylinder, NH
3gas cylinder, SO
2gas cylinder, CO gas cylinder, CO
2gas cylinder, high-purity N
2gas cylinder or general N
2gas cylinder.
3. proving installation as claimed in claim 1, is characterized in that: described tail gas absorbs disposal bottle and is comprised of n different tail gas absorption bottle, n>=1, and in described absorption bottle, absorption liquid requires to select NaOH solution, H according to experimental test
2o
2the alkalescence of solution or other similar quality or strong oxidizing property chemical reagent and solution thereof.
4. proving installation as claimed in claim 1, is characterized in that: between described pipeline, by electric control valve connection, be connected with threeway or multiple-pass joint.
5. proving installation as claimed in claim 1, is characterized in that: described pipeline is 316L stainless steel pipeline.
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| CN201420296752.2U CN203870075U (en) | 2014-06-05 | 2014-06-05 | Active coke desulfurization and denitration performance characterization test device |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106547286A (en) * | 2016-12-26 | 2017-03-29 | 北京神雾环境能源科技集团股份有限公司 | flue gas SCR denitration intelligent temperature control device |
| 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 |
| CN108426975A (en) * | 2018-05-15 | 2018-08-21 | 东莞诺维新材料科技有限公司 | A kind of catalyst activity evaluating apparatus |
| CN111089935A (en) * | 2018-10-24 | 2020-05-01 | 中国石油化工股份有限公司 | On-site natural gas dry desulfurizing agent sulfur capacity testing method |
| CN112881607A (en) * | 2021-01-19 | 2021-06-01 | 四川大学 | Multifunctional desulfurization and denitrification test system and application method thereof |
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2014
- 2014-06-05 CN CN201420296752.2U patent/CN203870075U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106547286A (en) * | 2016-12-26 | 2017-03-29 | 北京神雾环境能源科技集团股份有限公司 | flue gas SCR denitration intelligent temperature control device |
| 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 |
| CN108426975A (en) * | 2018-05-15 | 2018-08-21 | 东莞诺维新材料科技有限公司 | A kind of catalyst activity evaluating apparatus |
| CN108426975B (en) * | 2018-05-15 | 2023-12-26 | 东莞诺维新材料科技有限公司 | Catalyst activity evaluation device |
| CN111089935A (en) * | 2018-10-24 | 2020-05-01 | 中国石油化工股份有限公司 | On-site natural gas dry desulfurizing agent sulfur capacity testing method |
| CN112881607A (en) * | 2021-01-19 | 2021-06-01 | 四川大学 | Multifunctional desulfurization and denitrification test system and application method thereof |
| CN112881607B (en) * | 2021-01-19 | 2022-08-09 | 四川大学 | Multifunctional desulfurization and denitrification test system and application method thereof |
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|---|---|---|---|
| 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: 20141008 Termination date: 20160605 |