CN111721890A - Automatic quality detection method for adsorbent or catalyst and application thereof - Google Patents
Automatic quality detection method for adsorbent or catalyst and application thereof Download PDFInfo
- Publication number
- CN111721890A CN111721890A CN202010388593.9A CN202010388593A CN111721890A CN 111721890 A CN111721890 A CN 111721890A CN 202010388593 A CN202010388593 A CN 202010388593A CN 111721890 A CN111721890 A CN 111721890A
- Authority
- CN
- China
- Prior art keywords
- catalyst
- adsorbent
- value
- detection
- comparison
- 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
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/0004—Gaseous mixtures, e.g. polluted air
- G01N33/0009—General constructional details of gas analysers, e.g. portable test equipment
- G01N33/0062—General constructional details of gas analysers, e.g. portable test equipment concerning the measuring method, e.g. intermittent, or the display, e.g. digital
Abstract
The invention provides an automatic quality detection method of an adsorbent or a catalyst and application thereof. Wherein, the method comprises the following steps: adsorbing or catalyzing a chemical substance to be detected in the sample gas by using a first adsorbent or a first catalyst to obtain a first numerical value; adsorbing or catalyzing the chemical substance to be detected in the sample gas by using a second adsorbent or a second catalyst to obtain a second numerical value; judging whether the first adsorbent or the first catalyst is invalid or not and whether the detection is effective or not according to the first numerical value and the second numerical value; the first adsorbent and the second adsorbent are the same adsorbent, and the first catalyst and the second catalyst are the same catalyst. The invention improves the measurement accuracy of the monitor or the analyzer, reduces the waste of the adsorbent and the catalyst, reduces the manual maintenance frequency of the system, reduces the use and maintenance cost, and simultaneously improves the operability of on-line monitoring and analysis.
Description
Technical Field
The invention belongs to the technical field of quality detection of adsorbents or catalysts, and particularly relates to an automatic quality detection method of an adsorbent or a catalyst, an automatic quality detection device of an adsorbent or a catalyst, an online chemical substance monitoring system and an analyzer.
Background
Some chemicals can cause great harm to the environment or human health after being discharged into the environment, and various online monitoring instruments or analyzers are used for monitoring or analyzing the harmful chemicals. Corresponding catalysts or adsorbents are needed to be used in a monitor or an analyzer, the catalysts and the adsorbents are consumable materials and are gradually reduced in the using process, and how to judge whether the catalysts or the adsorbents are invalid or not is important, which relates to whether the measurement is accurate or not.
Existing monitors or analyzers basically rely on the time of use to determine if a catalyst or sorbent has failed. Since the time of use is empirical, the catalyst or adsorbent may be replaced after it has failed or not, thereby causing inaccuracy in the measurement results or unnecessary waste. And depending on the experience and level of the maintenance personnel, the data finally obtained by these instruments cannot be convincing without data support.
Disclosure of Invention
Aiming at the defects of the prior art, the application provides a quality detection method of an adsorbent or a catalyst and an application thereof, solves the problem that the quality of the existing adsorbent or catalyst cannot be judged, improves the measurement accuracy of a monitor or an analyzer, reduces the waste of the adsorbent and the catalyst, reduces the manual maintenance frequency of a system, reduces the use and maintenance cost, and simultaneously improves the operability of on-line monitoring and analysis.
The invention firstly provides a method for automatically detecting the quality of an adsorbent or a catalyst, which comprises the following steps:
adsorbing or catalyzing a chemical substance to be detected in the sample gas by using a first adsorbent or a first catalyst to obtain a first numerical value;
adsorbing or catalyzing the chemical substance to be detected in the sample gas by using a second adsorbent or a second catalyst to obtain a second numerical value; and
judging whether the first adsorbent or the first catalyst is invalid or not and whether the detection is effective or not according to the first numerical value and the second numerical value;
the first adsorbent and the second adsorbent are the same adsorbent, and the first catalyst and the second catalyst are the same catalyst.
In some embodiments of the invention, determining whether the first sorbent or the first catalyst is spent and detecting is effective based on the first value and the second value comprises:
the alignment values were calculated according to the following formula:
wherein R is a comparison value, ΔiFor the ith ratio to the data ratio,
ciis the first value measured at the ith time; ciIs the second value measured at the ith time;
is a ratio of n times to the data ratio deltaiAverage value of (d); n is the detection times;
and judging whether the first adsorbent or the first catalyst is invalid or not and whether the detection is effective or not according to the comparison value and the concentration of the chemical substance to be detected.
In some embodiments of the present invention, determining whether the first sorbent or the first catalyst is spent and detecting is effective based on the first value and the second value further comprises:
and detecting the concentration of the chemical substance to be detected.
In some embodiments of the present invention, determining whether the first adsorbent or the first catalyst is ineffective and detecting whether the first adsorbent or the first catalyst is effective according to the comparison value and the concentration of the chemical to be detected comprises:
setting a first comparison standard value and a second comparison standard value according to the concentration of the chemical substance to be detected; wherein the first comparison standard value is greater than the second comparison standard value;
when the comparison value is larger than the first comparison standard value, detecting to be invalid;
when the alignment value is between the first alignment standard value and the second alignment standard value, the first adsorbent or the first catalyst is normal;
when the comparison value is less than the second comparison standard value, the first adsorbent or the first catalyst is deactivated.
In some embodiments of the invention, the method further comprises:
when the first adsorbent or the first catalyst is failed, a first alarm signal prompting replacement of the first adsorbent or the first catalyst is output.
In some embodiments of the invention, the method further comprises:
and when the detection is invalid, outputting a second alarm signal for prompting the detection to be carried out again.
The invention further provides a device for detecting the quality of the adsorbent or the catalyst by using the method, which comprises the following steps:
a first cartridge containing the first adsorbent or the first catalyst;
a second cartridge containing the second adsorbent or the second catalyst; and
and the high-temperature three-way valve comprises a first end and a second end, the first end is connected with the first detection box, and the second end is connected with the second detection box.
In some embodiments of the invention, the apparatus further comprises:
a processor;
a memory storing computer instructions that, when executed by the processor, cause the processor to:
storing the first value and the second value; and
and judging whether the first adsorbent or the first catalyst is invalid or not and whether the detection is effective or not according to the first numerical value and the second numerical value.
The invention further provides a chemical substance on-line monitoring system, which comprises the device;
wherein the first cartridge contains the first catalyst and the second cartridge contains the second catalyst.
The invention further provides an analyzer comprising the above device;
wherein the first cartridge contains the first adsorbent and the second cartridge contains the second adsorbent.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
Fig. 1 is a schematic flow chart of quality detection of an adsorbent or a catalyst in an embodiment of the present invention.
Fig. 2 is a schematic flow chart of determining whether the first adsorbent or the first catalyst is deactivated and detecting whether the first adsorbent or the first catalyst is effective according to the first value and the second value in the embodiment of the present invention.
Fig. 3 is a schematic structural diagram of an adsorbent or catalyst quality detection apparatus in an embodiment of the present invention.
Detailed Description
The following detailed description of the present invention, taken in conjunction with the accompanying drawings and examples, is provided to enable the invention and its various aspects and advantages to be better understood. However, the specific embodiments and examples described below are for illustrative purposes only and are not limiting of the invention.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The terms "first", "second", etc. in this application are used to distinguish between different objects and not to describe a particular order. Furthermore, the terms "include" and "have," as well as any variations thereof, are intended to cover non-exclusive inclusions. For example, a process, method, system, article, or apparatus that comprises a list of steps or elements is not limited to only those steps or elements listed, but may alternatively include other steps or elements not listed, or inherent to such process, method, article, or apparatus.
Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the application. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is explicitly and implicitly understood by one skilled in the art that the embodiments described herein can be combined with other embodiments.
As shown in fig. 1, the method for detecting the quality of the adsorbent or the catalyst provided by the invention comprises the following steps:
s101: and adsorbing or catalyzing the chemical substance to be detected in the sample gas by using a first adsorbent or a first catalyst to obtain a first numerical value.
In some embodiments of the invention, the sample gas is a flue gas comprising oxidized mercury and elemental mercury, the first catalyst is a mercury catalyst, and the first value is a concentration of oxidized mercury in the flue gas.
In some embodiments of the invention, the sample gas is a gas comprising NO and NO2Flue gas ofThe first catalyst is nitrogen oxide catalyst, and the first value is NO in the flue gas2The concentration of (c).
In some embodiments of the invention, the sample gas is a sample gas containing mercury, the first sorbent is a mercury sorbent, and the first value is a concentration of mercury.
The first adsorbent of the present invention is not limited to a mercury adsorbent, and the first catalyst is not limited to a mercury catalyst or a nitrogen oxide catalyst, and may be any consumable catalyst or adsorbent.
S102: and adsorbing or catalyzing the chemical substance to be detected in the sample gas by using a second adsorbent or a second catalyst to obtain a second numerical value.
In the present application, the first adsorbent and the second adsorbent are the same adsorbent, the first catalyst and the second catalyst are the same catalyst, and the sample gas in step S101 and the sample gas in step S102 are the same sample gas.
Similarly, the second adsorbent and the second catalyst may be any consumable catalyst or adsorbent.
S103: and judging whether the first adsorbent or the first catalyst is invalid or not and whether the detection is effective or not according to the first value and the second value.
Alternatively, as shown in fig. 2, the S103 step may include the steps of:
s201: calculating the alignment value according to formula (1):
wherein R is a comparison value, ΔiFor the ith ratio to the data ratio,
ciis the first value measured at the ith time; ciIs the second value measured at the ith time;
is a ratio of n times to the data ratio deltaiAverage value of (d); n is the number of detections.
Optionally, n is 2-8, and the detection is completed within 30 minutes, so that the reliability of the detection data can be ensured, and the detection efficiency can also be ensured.
S202: and judging whether the first adsorbent or the first catalyst is invalid or not and whether the detection is effective or not according to the comparison value and the concentration of the chemical substance to be detected.
In order to ensure the accuracy of the detection, or when the concentration of the chemical substance to be detected is unknown, the step S103 may further include:
the concentration of the chemical to be detected is detected.
Optionally, the step S202 may include:
and setting a first comparison standard value and a second comparison standard value according to the concentration of the chemical substance to be detected. Wherein the first comparison standard value is greater than the second comparison standard value.
When the comparison value is larger than the first comparison standard value, the detection is invalid;
when the comparison value is between the first comparison standard value and the second comparison standard value, the first adsorbent or the first catalyst is normal;
when the comparison value is less than the second comparison standard value, the first adsorbent or the first catalyst is ineffective.
When the first adsorbent or the first catalyst is judged to be invalid, a first alarm signal can be sent out to prompt an operator to replace the first adsorbent or the first catalyst.
When the detection is invalid, a second alarm signal can be sent out, so that an operator can manually start the re-detection, or the system is set to directly re-detect. And (4) carrying out detection again, replacing the second adsorbent or the second catalyst, and then carrying out detection again. Or the detection can be directly carried out again without replacement. The setting is carried out according to the actual situation.
The detection period can be set to be once per day or once per week, and can be set according to actual conditions.
The invention can judge whether the adsorbent or the catalyst is invalid or not in time through the data and remind the operator to replace the adsorbent or the catalyst in time, thereby greatly improving the use efficiency of the adsorbent or the catalyst and the accuracy of the monitoring data and reducing the use cost and the operation and maintenance cost.
Further, the present invention also provides an apparatus for detecting the mass of the adsorbent or the catalyst by using the above method, as shown in fig. 3, comprising: a high temperature three-way valve 301, a first measuring cassette 302, and a second measuring cassette 303. Wherein the first cartridge 302 contains a first adsorbent or a first catalyst. The second cartridge 303 contains a second adsorbent or a second catalyst. The high temperature three-way valve 301 includes a first end connected to the first measuring cassette 302 and a second end connected to the second measuring cassette 303.
The apparatus of the present invention may further comprise a processor and a memory. Wherein the memory stores computer instructions that, when executed by the processor, cause the processor to: storing the first value and the second value; and judging whether the first adsorbent or the first catalyst is invalid or not and whether the detection is effective or not according to the first numerical value and the second numerical value.
In one embodiment of the invention, the device is an automatic mercury catalyst quality detection device, and the specific detection method comprises the following steps: the flue gas that contains oxidation state mercury and elemental mercury passes through a high temperature three-way valve, and when normal measurement, the COM end and the NO end intercommunication of high temperature three-way valve, the flue gas obtains first numerical value through first detection box. And then the high-temperature three-way valve is switched to a COM end to be communicated with an NC end, and the smoke enters a second detection box to obtain a second numerical value. And setting a first comparison standard value and a second comparison standard value, wherein specific data are shown in table 1. The concentration of mercury in the flue gas is detected, then a comparison value R is calculated according to a formula 1, and whether the catalyst is invalid or effective or not can be analyzed according to a table 1. The detection period is set to be once per day, n is 6, and the detection is completed within 30 minutes.
TABLE 1 Mercury catalyst quality judgment Standard Table
In one embodiment of the inventionThe device is an automatic detection device for the quality of the nitrogen oxide catalyst, and the specific detection method comprises the following steps: containing NO and NO2The smoke gas passes through a high-temperature three-way valve, when the smoke gas is measured normally, the COM end and the NO end of the high-temperature three-way valve are communicated, and the smoke gas passes through a first detection box to obtain a first numerical value. And then the high-temperature three-way valve is switched to a COM end to be communicated with an NC end, and the smoke enters a second detection box to obtain a second numerical value. And setting a first comparison standard value and a second comparison standard value, wherein specific data are shown in a table 2. The concentration of nitrogen oxides in the flue gas is detected, then a comparison numerical value R is calculated according to a formula 1, and whether the catalyst is invalid or effective or not can be analyzed according to a table 2. The detection period is set to be once per day, n is 7, and the detection is completed within 30 minutes.
Table 2 table of judgment standards for quality of nitrogen oxide catalyst
In one embodiment of the invention, the device is an automatic mercury sorbent quality detection device that further comprises a measurement chamber and a reference chamber. The specific detection method comprises the following steps: the method comprises the steps that a sample gas containing mercury firstly passes through a measuring chamber to obtain first data, then enters a high-temperature three-way valve, the COM end and the NO end of the high-temperature three-way valve are communicated, the sample gas passes through a first detection box and then enters a reference chamber to obtain second data, and the absolute value of the difference between the first data and the second data is a first numerical value. And then switching the high-temperature three-way valve to a COM end to be communicated with an NC end, sequentially introducing the sample gas into the measuring chamber, the second detection box and the reference chamber, and calculating to obtain a second numerical value. The first comparison standard value and the second comparison standard value are set, and specific data are shown in table 3. The concentration of nitrogen oxides in the flue gas is detected, then a comparison numerical value R is calculated according to a formula 1, and whether the adsorbent fails or whether the detection is effective can be analyzed according to a table 3. The detection period is set to be once per day, n is 4, and the detection is completed within 30 minutes.
Table 3 mercury sorbent quality judgment standard table
In the present invention, the high temperature three-way valve may be located in front of the first cassette and the second cassette (i.e., the sample gas first passes through the high temperature three-way valve and then enters the first cassette or the second cassette, respectively), or may be located behind the first cassette and the second cassette (i.e., the sample gas first enters the first cassette or the second cassette and then enters the high temperature three-way valve). Of course, other locations are possible as long as the aforementioned needs are met. The high-temperature three-way valve can be replaced by other devices as long as the switching function can be achieved.
The invention further provides an online chemical substance monitoring system which comprises the device. Wherein the first cartridge contains a first catalyst and the second cartridge contains a second catalyst. The chemical substance on-line monitoring system can be a flue gas mercury on-line monitoring system or a flue gas nitrogen oxide on-line monitoring system. Wherein, the device can be positioned in a pretreatment unit of the online monitoring system.
The invention further provides an analyzer comprising the aforementioned device. Wherein the first cartridge contains a first adsorbent and the second cartridge contains a second adsorbent. The analyzer may be a mercury analyzer.
It should be noted that, for simplicity of description, the above-mentioned method embodiments are described as a series of acts or combination of acts, but those skilled in the art will recognize that the present application is not limited by the order of acts described, as some steps may occur in other orders or concurrently depending on the application. Further, those skilled in the art should also appreciate that the embodiments described in the specification are exemplary embodiments and that the acts and modules referred to are not necessarily required in this application.
In the foregoing embodiments, the descriptions of the respective embodiments have respective emphasis, and for parts that are not described in detail in a certain embodiment, reference may be made to related descriptions of other embodiments.
In the embodiments provided in the present application, it should be understood that the disclosed apparatus may be implemented in other manners. For example, the above-described embodiments of the apparatus are merely illustrative, and for example, the division of the units is only one type of division of logical functions, and there may be other divisions when actually implementing, for example, a plurality of units or components may be combined or may be integrated into another system, or some features may be omitted, or not implemented. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection of some interfaces, devices or units, and may be an electric or other form.
The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.
Those skilled in the art will appreciate that all or part of the steps in the methods of the above embodiments may be performed by hardware related to a program, the program may be stored in a computer readable memory, and the memory may include: flash Memory disks, Read-Only memories (ROMs), Random Access Memories (RAMs), or optical disks.
The foregoing detailed description of the embodiments of the present application has been presented to illustrate the principles and implementations of the present application, and the above description of the embodiments is only provided to help understand the method and the core concept of the present application; meanwhile, for a person skilled in the art, according to the idea of the present application, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present application.
Claims (10)
1. A method for automatically detecting the quality of an adsorbent or a catalyst is characterized by comprising the following steps:
adsorbing or catalyzing a chemical substance to be detected in the sample gas by using a first adsorbent or a first catalyst to obtain a first numerical value;
adsorbing or catalyzing the chemical substance to be detected in the sample gas by using a second adsorbent or a second catalyst to obtain a second numerical value; and
judging whether the first adsorbent or the first catalyst is invalid or not and whether the detection is effective or not according to the first numerical value and the second numerical value;
the first adsorbent and the second adsorbent are the same adsorbent, and the first catalyst and the second catalyst are the same catalyst.
2. The method of claim 1, wherein determining whether the first sorbent or the first catalyst is spent and detecting is effective based on the first value and the second value comprises:
the alignment values were calculated according to the following formula:
wherein R is a comparison value, ΔiFor the ith ratio to the data ratio,
ciis the first value measured at the ith time; ciIs the second value measured at the ith time;
is a ratio of n times to the data ratio deltaiAverage value of (d); n is the detection times;
and judging whether the first adsorbent or the first catalyst is invalid or not and whether the detection is effective or not according to the comparison value and the concentration of the chemical substance to be detected.
3. The method of claim 2, wherein determining whether the first sorbent or the first catalyst is spent and detecting is effective based on the first value and the second value further comprises:
and detecting the concentration of the chemical substance to be detected.
4. The method of claim 2, wherein determining whether the first adsorbent or the first catalyst is ineffective and whether the detection is effective based on the comparison value and the concentration of the chemical to be detected comprises:
setting a first comparison standard value and a second comparison standard value according to the concentration of the chemical substance to be detected; wherein the first comparison standard value is greater than the second comparison standard value;
when the comparison value is larger than the first comparison standard value, detecting to be invalid;
when the alignment value is between the first alignment standard value and the second alignment standard value, the first adsorbent or the first catalyst is normal;
when the comparison value is less than the second comparison standard value, the first adsorbent or the first catalyst is deactivated.
5. The method of claim 1, further comprising:
when the first adsorbent or the first catalyst is failed, a first alarm signal prompting replacement of the first adsorbent or the first catalyst is output.
6. The method of claim 1, further comprising:
and when the detection is invalid, outputting a second alarm signal for prompting the detection to be carried out again.
7. An apparatus for detecting the quality of an adsorbent or catalyst by the method of any one of claims 1 to 6, comprising:
a first cartridge containing the first adsorbent or the first catalyst;
a second cartridge containing the second adsorbent or the second catalyst; and
and the high-temperature three-way valve comprises a first end and a second end, the first end is connected with the first detection box, and the second end is connected with the second detection box.
8. The apparatus of claim 7, further comprising:
a processor;
a memory storing computer instructions that, when executed by the processor, cause the processor to:
storing the first value and the second value; and
and judging whether the first adsorbent or the first catalyst is invalid or not and whether the detection is effective or not according to the first numerical value and the second numerical value.
9. An on-line chemical monitoring system comprising the apparatus of claim 7 or 8;
wherein the first cartridge contains the first catalyst and the second cartridge contains the second catalyst.
10. An analyzer comprising the device of claim 7 or 8;
wherein the first cartridge contains the first adsorbent and the second cartridge contains the second adsorbent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010388593.9A CN111721890A (en) | 2020-05-09 | 2020-05-09 | Automatic quality detection method for adsorbent or catalyst and application thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010388593.9A CN111721890A (en) | 2020-05-09 | 2020-05-09 | Automatic quality detection method for adsorbent or catalyst and application thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111721890A true CN111721890A (en) | 2020-09-29 |
Family
ID=72564954
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010388593.9A Pending CN111721890A (en) | 2020-05-09 | 2020-05-09 | Automatic quality detection method for adsorbent or catalyst and application thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111721890A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115232636A (en) * | 2021-04-22 | 2022-10-25 | 国家能源投资集团有限责任公司 | Method and apparatus for determining fischer-tropsch catalyst replacement strategy in a run-time reactor |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101655026A (en) * | 2008-08-19 | 2010-02-24 | 通用汽车环球科技运作公司 | Aftertreatment device NOx conversion efficiency diagnostics using on board adaptive diagnostic algorithm |
| CN101749092A (en) * | 2008-08-19 | 2010-06-23 | 通用汽车环球科技运作公司 | On board diagnostic monitor of nox conversion efficiency for aftertreatment device |
| CN102791982A (en) * | 2010-03-09 | 2012-11-21 | 丰田自动车株式会社 | Catalyst degradation detection apparatus |
| CN105548456A (en) * | 2015-12-15 | 2016-05-04 | 北京雪迪龙科技股份有限公司 | Mercury catalyst conversion efficiency detection method and device |
| CN107782650A (en) * | 2016-08-27 | 2018-03-09 | 山东海润环保科技有限公司 | A kind of failure detection device of out of stock catalyst |
| CN110398680A (en) * | 2019-08-14 | 2019-11-01 | 华芯电子(天津)有限责任公司 | A kind of PCB method for testing reliability |
-
2020
- 2020-05-09 CN CN202010388593.9A patent/CN111721890A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101655026A (en) * | 2008-08-19 | 2010-02-24 | 通用汽车环球科技运作公司 | Aftertreatment device NOx conversion efficiency diagnostics using on board adaptive diagnostic algorithm |
| CN101749092A (en) * | 2008-08-19 | 2010-06-23 | 通用汽车环球科技运作公司 | On board diagnostic monitor of nox conversion efficiency for aftertreatment device |
| CN102791982A (en) * | 2010-03-09 | 2012-11-21 | 丰田自动车株式会社 | Catalyst degradation detection apparatus |
| CN105548456A (en) * | 2015-12-15 | 2016-05-04 | 北京雪迪龙科技股份有限公司 | Mercury catalyst conversion efficiency detection method and device |
| CN107782650A (en) * | 2016-08-27 | 2018-03-09 | 山东海润环保科技有限公司 | A kind of failure detection device of out of stock catalyst |
| CN110398680A (en) * | 2019-08-14 | 2019-11-01 | 华芯电子(天津)有限责任公司 | A kind of PCB method for testing reliability |
Non-Patent Citations (2)
| Title |
|---|
| 师玉荣 等: "油脂催化加氢催化剂的研究进展", 《河南化工》 * |
| 张震 等: "《实验设计与数据评价》", 31 August 2014 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115232636A (en) * | 2021-04-22 | 2022-10-25 | 国家能源投资集团有限责任公司 | Method and apparatus for determining fischer-tropsch catalyst replacement strategy in a run-time reactor |
| CN115232636B (en) * | 2021-04-22 | 2023-11-03 | 国家能源投资集团有限责任公司 | Method and apparatus for determining a Fischer-Tropsch catalyst replacement strategy in a run-time reactor |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP1887356B1 (en) | Automatic analyzer | |
| CN107703132B (en) | Reaction curve abnormity processing method and device, biochemical analyzer and storage medium | |
| JP5183457B2 (en) | Automatic analyzer and its support system | |
| US20130260414A1 (en) | Sample analyzing system, sample analyzer, and management method of sample analyzing system | |
| CN108572250B (en) | Method for determining analyte concentration | |
| JP3438607B2 (en) | Automatic analyzer | |
| JP2010151519A (en) | Automatic analyzer | |
| CN111721890A (en) | Automatic quality detection method for adsorbent or catalyst and application thereof | |
| EP2881741B1 (en) | Automatic analysis device | |
| JP2007248090A (en) | Precision management system of clinical examination | |
| EP4239078A1 (en) | Method for detecting blood coagulation reaction | |
| JP5096485B2 (en) | Method for monitoring the concentration of dissolved substances in aqueous media | |
| CA2831443C (en) | System and method for producing statistically valid assay means and ranges for quality control materials | |
| JP2017156093A (en) | Analysis measurement device system | |
| JP6717625B2 (en) | System and method for parallel and automatic determination of fluoride ion and mercury concentrations in water | |
| WO2023013344A1 (en) | Chemical analysis device | |
| CN104487848B (en) | Maintenance support system | |
| JP2006292698A (en) | Precision management method of autoanalyzer for clinical inspection, and the autoanalyzer | |
| JP3334391B2 (en) | Analyzer management system | |
| JP2012032188A (en) | Automatic analysis system | |
| JP2006017600A (en) | Clinical examination system | |
| CN104937393A (en) | Automatic analyzer | |
| JP2876411B2 (en) | Automatic analyzer | |
| CN111896602A (en) | Hydrogen quality detection device and detection method | |
| JP6385062B2 (en) | Water quality measurement system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200929 |
|
| RJ01 | Rejection of invention patent application after publication |