CN111948332A - Device for detecting and calculating sulfur capacity of desulfurizer - Google Patents
Device for detecting and calculating sulfur capacity of desulfurizer Download PDFInfo
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- CN111948332A CN111948332A CN201910411027.2A CN201910411027A CN111948332A CN 111948332 A CN111948332 A CN 111948332A CN 201910411027 A CN201910411027 A CN 201910411027A CN 111948332 A CN111948332 A CN 111948332A
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- hydrogen sulfide
- sulfur capacity
- desulfurizer
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- sulfide detector
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- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 title claims abstract description 53
- 229910052717 sulfur Inorganic materials 0.000 title claims abstract description 53
- 239000011593 sulfur Substances 0.000 title claims abstract description 53
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 claims abstract description 61
- 229910000037 hydrogen sulfide Inorganic materials 0.000 claims abstract description 61
- 239000007789 gas Substances 0.000 claims abstract description 54
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 24
- 230000003009 desulfurizing effect Effects 0.000 claims abstract description 22
- 238000005259 measurement Methods 0.000 claims abstract description 11
- 239000002994 raw material Substances 0.000 claims description 22
- 238000001514 detection method Methods 0.000 abstract description 9
- 238000000034 method Methods 0.000 description 6
- 239000002808 molecular sieve Substances 0.000 description 5
- URGAHOPLAPQHLN-UHFFFAOYSA-N sodium aluminosilicate Chemical compound [Na+].[Al+3].[O-][Si]([O-])=O.[O-][Si]([O-])=O URGAHOPLAPQHLN-UHFFFAOYSA-N 0.000 description 5
- 238000006477 desulfuration reaction Methods 0.000 description 2
- 230000023556 desulfurization Effects 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 239000010419 fine particle Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000001179 sorption measurement Methods 0.000 description 2
- 229910000323 aluminium silicate Inorganic materials 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N31/00—Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroup; Apparatus specially adapted for such methods
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
- G01N15/08—Investigating permeability, pore-volume, or surface area of porous materials
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N30/00—Investigating or analysing materials by separation into components using adsorption, absorption or similar phenomena or using ion-exchange, e.g. chromatography or field flow fractionation
- G01N30/02—Column chromatography
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N30/00—Investigating or analysing materials by separation into components using adsorption, absorption or similar phenomena or using ion-exchange, e.g. chromatography or field flow fractionation
- G01N30/02—Column chromatography
- G01N30/04—Preparation or injection of sample to be analysed
- G01N30/06—Preparation
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N30/00—Investigating or analysing materials by separation into components using adsorption, absorption or similar phenomena or using ion-exchange, e.g. chromatography or field flow fractionation
- G01N30/02—Column chromatography
- G01N30/04—Preparation or injection of sample to be analysed
- G01N30/16—Injection
- G01N30/20—Injection using a sampling valve
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
- G01N15/08—Investigating permeability, pore-volume, or surface area of porous materials
- G01N2015/0866—Sorption
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N30/00—Investigating or analysing materials by separation into components using adsorption, absorption or similar phenomena or using ion-exchange, e.g. chromatography or field flow fractionation
- G01N30/02—Column chromatography
- G01N2030/022—Column chromatography characterised by the kind of separation mechanism
- G01N2030/025—Gas chromatography
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- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Biochemistry (AREA)
- Physics & Mathematics (AREA)
- Analytical Chemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Molecular Biology (AREA)
- Dispersion Chemistry (AREA)
- Investigating Or Analyzing Non-Biological Materials By The Use Of Chemical Means (AREA)
Abstract
An apparatus for detecting and calculating the sulfur capacity of a desulfurizing agent, comprising: a container; a gas flow measurement indicator; an on-line inlet hydrogen sulfide detector; an on-line outlet hydrogen sulfide detector; a sulfur capacity calculating and displaying device of the desulfurizer. The device for detecting and calculating the sulfur capacity of the desulfurizer has a simple structure; the operation can be immediately carried out by only opening a plurality of valves, and the operation is convenient; the sulfur capacity calculation and display device of the desulfurizer can calculate the sulfur capacity X of the desulfurizer according to a small amount of detection data and a simple calculation formula, and can continuously detect, continuously calculate and accumulate; in use, the manual operation is not needed all the time, so that the labor is saved, and the personal safety is ensured.
Description
Technical Field
The invention relates to gas detection, in particular to a device for detecting and calculating the sulfur capacity of a desulfurizer.
Background
At present, HG/T4354-2012 methods are cited for most of detection and calculation of sulfur capacity of the desulfurizing agent. The detection and calculation of the sulfur capacity of the desulfurizer by adopting the HG/T4354-2012 method are carried out in a laboratory, the steps are complicated, the time consumption is long, the continuous detection cannot be carried out, the calculated sulfur capacity is greatly different from the actual sulfur capacity, the cost is increased when the desulfurizer used in the laboratory is treated, and in addition, the hydrogen sulfide emission is generated in the sampling and analyzing process, so that the method is unsafe and pollutes the environment.
Disclosure of Invention
The invention provides a device for detecting and calculating the sulfur capacity of a desulfurizer.
The invention discloses a device for detecting and calculating the sulfur capacity of a desulfurizer, which is characterized by comprising the following components:
a container;
a gas flow measurement indicator;
an on-line inlet hydrogen sulfide detector;
an on-line outlet hydrogen sulfide detector;
a device for calculating and displaying the sulfur capacity of the desulfurizer;
a raw material gas inlet pipeline is communicated with the bottom of the container, one end of an air inlet pipeline of an online inlet hydrogen sulfide detector is communicated with the raw material gas inlet pipeline, and the other end of the air inlet pipeline of the online inlet hydrogen sulfide detector is communicated with the online inlet hydrogen sulfide detector;
a raw material gas discharge pipeline is communicated with the top of the container, one end of an air inlet pipeline of an online outlet hydrogen sulfide detector is communicated with the raw material gas discharge pipeline, and the other end of the air inlet pipeline of the online outlet hydrogen sulfide detector is communicated with the online outlet hydrogen sulfide detector;
a first electric signal line is used for communicating the gas flow measurement display meter with the sulfur capacity calculation and display device of the desulfurizer;
a second electric signal wire is used for communicating the online inlet hydrogen sulfide detector with the sulfur capacity calculation and display device of the desulfurizer;
a third electric signal wire is used for communicating the online outlet hydrogen sulfide detector with the sulfur capacity calculation and display device of the desulfurizer;
the desulfurizing agent is laid on a porous support plate in the container.
The device for detecting and calculating the sulfur capacity of the desulfurizer only comprises a container, a gas flow measurement display meter, two hydrogen sulfide detectors and a sulfur capacity calculation and display device of the desulfurizer, and has a simple structure; the operation can be immediately carried out by only opening a plurality of valves, and the operation is convenient; the sulfur capacity calculation and display device of the desulfurizer can calculate the sulfur capacity X of the desulfurizer according to a small amount of detection data and a simple calculation formula, and can continuously detect, continuously calculate and accumulate; in use, the manual operation is not needed all the time, so that the labor is saved, and the personal safety is ensured.
Drawings
FIG. 1 is a schematic view of the construction of an apparatus for detecting and calculating the sulfur capacity of a desulfurizing agent according to the present invention.
Detailed Description
The device for detecting and calculating the sulfur capacity of the desulfurizing agent according to the present invention will be further described with reference to the accompanying drawings and the embodiments.
Referring to fig. 1, the apparatus 100 for detecting and calculating the sulfur capacity of a desulfurizing agent according to the present invention has a container 10, a gas flow measurement indicator 20, an on-line inlet hydrogen sulfide detector 30, an on-line outlet hydrogen sulfide detector 40, and a sulfur capacity calculation and display apparatus 50 for a desulfurizing agent.
The container 10 has a tub 11, a top lid 12, and a bottom lid 13. A perforated support plate 14 is fixedly installed between the lower end of the tub 11 and the top of the bottom cover 13. There is a discharge stub 111. The discharge stub 111 is connected to a hopper 50 via a gate valve 40.
The bottom of the bottom cover 13 has an inlet stub 131. The intake stub 131 is connected to an intake line 132. The air intake line 132 is provided with a first air intake valve 134, the gas flow measurement display gauge 20 and a second air intake valve 135 from top to bottom. An online inlet hydrogen sulfide detector intake line 133 is connected to the portion of the intake line 132 between the first intake valve 134 and the gas flow measurement display gauge 20. The online inlet hydrogen sulfide detector air inlet line 133 is connected to the online inlet hydrogen sulfide detector 30. A third air inlet valve 136 is mounted on the air inlet line 133 of the on-line inlet hydrogen sulfide detector.
The top of the top cover 12 has a gas outlet stub 121. The gas outlet stub 121 is connected to a gas outlet line 122. A first outlet valve 124 is mounted on the outlet line 122. An in-line outlet hydrogen sulfide detector inlet line 123 is connected to the portion of outlet line 122 upstream of first outlet valve 124. An air inlet pipeline 123 of the online outlet hydrogen sulfide detector is connected with the online outlet hydrogen sulfide detector 40. A second air inlet valve 125 is installed on the air inlet pipeline 123 of the online outlet hydrogen sulfide detector. The top of the top cap 12 has a pressure indicator 15.
A first electrical signal line 51 communicates the gas flow measurement display meter 20 with the sulfur capacity calculation and display device 50 of the desulfurization agent.
A second electrical signal line 52 communicates the on-line hydrogen sulfide detector 30 with the sulfur capacity calculation and display device 50 of the desulfurization agent.
A third electrical signal line 53 connects the on-line outlet hydrogen sulfide detector 40 with the sulfur capacity calculation and display device 50 of the desulfurizing agent.
The molecular sieve 60 is a molecular sieve with adsorption performance, is spherical, has different particle sizes, and mainly contains aluminosilicate.
The desulfurizer 70 is Fe2O3The desulfurizer has large adsorption capacity to hydrogen sulfide and low price.
The chemical industry standard HG/T4354-2012 stipulates that when the content of hydrogen sulfide in the feed gas passes through the desulfurizer is 4ppm, the desulfurizer needs to be replaced when the content of the hydrogen sulfide indicates that the desulfurizer has penetrated.
The working process of the device 100 for detecting and calculating the sulfur capacity of the desulfurizer of the invention is as follows:
when the raw material gas containing hydrogen sulfide passes through the container 10 of the device 100 for detecting and calculating the sulfur capacity of the desulfurizer, trace oil mist and water are filtered out by the molecular sieve 60 at the bottom of the container 10, and then the hydrogen sulfide in the raw material gas passes through the desulfurizer 70 at the middle upper part of the container 10, so that the hydrogen sulfide in the raw material gas is absorbed by the desulfurizer 70, and the content of the hydrogen sulfide in the raw material gas reaching the next process is below 4 ppm.
The detection conditions were as follows:
1. when raw material gas enters the container 10 through the gas inlet pipeline 132 and the gas inlet short pipe 131, the gas flow measurement display meter 20 measures the flow of the raw material gas entering the container 10, a measured flow data signal is transmitted to the sulfur capacity calculation and display device 50 of the desulfurizing agent through the first electric signal line 51, the flow data signal is transmitted from time to time, the sulfur capacity calculation and display device 50 calculates the flow Vi of the raw material gas entering the container 10 for 3 minutes according to the flow data signal, i is 3 minutes, and the unit of Vi is m 3.
2. The raw material gas enters the container 10 through the gas inlet pipeline 132 and the gas inlet short pipe 131, and simultaneously enters the online inlet hydrogen sulfide detector 30 through the gas inlet pipeline 133 of the online inlet hydrogen sulfide detector, wherein the online inlet hydrogen sulfide detector 30 is an online chromatograph. The raw material gas enters an online chromatograph pretreatment box, the raw material gas is decompressed to 0.1MPa through a pressure reducing valve in the pretreatment box, dust, fine particles and a small amount of liquid in the gas are removed through two filters, the raw material gas enters the online chromatograph at the flow rate of 10ml/min for hydrogen sulfide content analysis, a hydrogen sulfide content data signal which can be analyzed only after 3 minutes is needed is transmitted to a sulfur capacity calculation and display device 50 of the desulfurizing agent through a second electric signal line 52, the sulfur capacity calculation and display device 50 of the desulfurizing agent converts the hydrogen sulfide content data signal into X inlet i, wherein i is 3 minutes, and the unit of the X inlet i is Kg/m 3.
3. The raw material gas is discharged from the container 10 through the gas outlet short pipe 121 and the gas outlet pipeline 122, and simultaneously enters the online outlet hydrogen sulfide detector 40 through the gas inlet pipeline 123 of the online outlet hydrogen sulfide detector, and the online outlet hydrogen sulfide detector 40 is an online chromatograph. The raw material gas enters an online chromatograph pretreatment box, is decompressed to 0.1MPa through a pressure reducing valve in the pretreatment box, is subjected to dust, fine particles and a small amount of liquid in the gas after being removed through two filters, enters the online chromatograph at a flow rate of 10ml/min for hydrogen sulfide content analysis, a hydrogen sulfide content data signal which can be analyzed only after 3 minutes is needed is transmitted to a sulfur capacity calculation and display device 50 of the desulfurizing agent through a second electric signal wire 53, the sulfur capacity calculation and display device 50 of the desulfurizing agent converts the hydrogen sulfide content data signal into X output i, wherein i is 3 minutes, and the unit of the X output i is Kg/m 3.
The sulfur capacity calculation and display device 50 of the desulfurizing agent calculates the sulfur capacity X of the desulfurizing agent within 3 minutes according to the unit Kg of Vi, X inlet i, X outlet i and the weight M0, M0 of the desulfurizing agent filled in the container 10, and the calculation formula is as follows:
x (Vi (X in i-X out i)/M0) 100%
In the formula:
vi is the feed gas flow into vessel 10 in m3 per 3 minutes;
the X inlet i is hydrogen sulfide entering the online inlet within every 3 minutesThe average content of hydrogen sulfide in the feed gas of the gas inlet pipeline 133 of the detector is Kg/m3；
The X out i is the average content of the hydrogen sulfide in the feed gas entering the air inlet pipeline 123 of the online outlet hydrogen sulfide detector within every 3 minutes, and the unit is Kg/m3；
M0 is the weight of desulfurizing agent, Kg, filled in the container 10.
The sulfur capacity calculation and display device 50 of the desulfurizer accumulates the sulfur capacity X of the desulfurizer obtained every 3 minutes until the X is greater than or equal to 3ppm, the sulfur capacity calculation and display device 50 of the desulfurizer gives an alarm and stops the raw material gas from entering the container 10 through the gas inlet pipeline 132 and the gas inlet short pipe 131, and the obtained accumulated value of the sulfur capacity X of the desulfurizer can provide important basis for determining the service life of the desulfurizer.
The device 100 for detecting and calculating the sulfur capacity of the desulfurizer has the following characteristics:
1. the operation is convenient. The device 100 for detecting and calculating the sulfur capacity of the desulfurizer can be immediately put into operation only by opening the first air inlet valve 134, the second air inlet valve 135 and the third air inlet valve 136 arranged on the air inlet pipeline 133 of the online inlet hydrogen sulfide detector and the first air outlet valve 124 and the second air inlet valve 125 arranged on the air inlet pipeline 123 of the online outlet hydrogen sulfide detector;
2. continuous detection and calculation is possible. The sulfur capacity calculation and display device 50 of the desulfurizing agent can calculate the sulfur capacity X of the desulfurizing agent based on a small amount of detection data and a simple calculation formula, and can continuously detect, continuously calculate and accumulate.
3. The labor is saved. The device 100 for detecting and calculating the sulfur capacity of the desulfurizer does not need to be operated by personnel all the time on site during use, thereby not only saving manpower, but also ensuring personal safety.
Claims (1)
1. An apparatus for detecting and calculating the sulfur capacity of a desulfurizing agent, comprising:
a container;
a gas flow measurement indicator;
an on-line inlet hydrogen sulfide detector;
an on-line outlet hydrogen sulfide detector;
a device for calculating and displaying the sulfur capacity of the desulfurizer;
a raw material gas inlet pipeline is communicated with the bottom of the container, one end of an air inlet pipeline of an online inlet hydrogen sulfide detector is communicated with the raw material gas inlet pipeline, and the other end of the air inlet pipeline of the online inlet hydrogen sulfide detector is communicated with the online inlet hydrogen sulfide detector;
a raw material gas discharge pipeline is communicated with the top of the container, one end of an air inlet pipeline of an online outlet hydrogen sulfide detector is communicated with the raw material gas discharge pipeline, and the other end of the air inlet pipeline of the online outlet hydrogen sulfide detector is communicated with the online outlet hydrogen sulfide detector;
a first electric signal line is used for communicating the gas flow measurement display meter with the sulfur capacity calculation and display device of the desulfurizer;
a second electric signal wire is used for communicating the online inlet hydrogen sulfide detector with the sulfur capacity calculation and display device of the desulfurizer;
a third electric signal wire is used for communicating the online outlet hydrogen sulfide detector with the sulfur capacity calculation and display device of the desulfurizer;
the desulfurizing agent is laid on a porous support plate in the container.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910411027.2A CN111948332A (en) | 2019-05-17 | 2019-05-17 | Device for detecting and calculating sulfur capacity of desulfurizer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910411027.2A CN111948332A (en) | 2019-05-17 | 2019-05-17 | Device for detecting and calculating sulfur capacity of desulfurizer |
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| CN111948332A true CN111948332A (en) | 2020-11-17 |
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| CN201910411027.2A Pending CN111948332A (en) | 2019-05-17 | 2019-05-17 | Device for detecting and calculating sulfur capacity of desulfurizer |
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Effective date of registration: 20210713 Address after: 362800 No.1 Tianying Road, Nanshan area, petrochemical park, Nanpu Town, Quangang District, Quanzhou City, Fujian Province Applicant after: Fujian Kaimeite Gas Co.,Ltd. Address before: 1217 Tonggang Road, Nanpu Town, Quangang District, Quanzhou City, Fujian Province Applicant before: FUJIAN FUYUAN KAIMEITE GAS Co.,Ltd. |
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Application publication date: 20201117 |
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