CN113390675A - Special sampling device of wet flue gas desulfurization thick liquid oxidation analysis appearance - Google Patents
Special sampling device of wet flue gas desulfurization thick liquid oxidation analysis appearance Download PDFInfo
- Publication number
- CN113390675A CN113390675A CN202110627906.6A CN202110627906A CN113390675A CN 113390675 A CN113390675 A CN 113390675A CN 202110627906 A CN202110627906 A CN 202110627906A CN 113390675 A CN113390675 A CN 113390675A
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- Prior art keywords
- sampler
- sampling device
- box
- flue gas
- gas desulfurization
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- 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.)
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- 239000007788 liquid Substances 0.000 title claims abstract description 28
- 238000005070 sampling Methods 0.000 title claims abstract description 27
- 230000003647 oxidation Effects 0.000 title claims abstract description 25
- 238000007254 oxidation reaction Methods 0.000 title claims abstract description 25
- 238000006477 desulfuration reaction Methods 0.000 title claims abstract description 17
- 230000023556 desulfurization Effects 0.000 title claims abstract description 17
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 title claims abstract description 15
- 239000003546 flue gas Substances 0.000 title claims abstract description 15
- 238000004458 analytical method Methods 0.000 title claims description 10
- 239000002002 slurry Substances 0.000 claims abstract description 28
- 238000004321 preservation Methods 0.000 claims abstract description 10
- 229920000742 Cotton Polymers 0.000 claims abstract description 7
- 239000010410 layer Substances 0.000 claims description 6
- 238000007789 sealing Methods 0.000 claims description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 6
- 238000010030 laminating Methods 0.000 claims description 5
- 239000000523 sample Substances 0.000 claims description 5
- 239000011229 interlayer Substances 0.000 claims description 3
- LSNNMFCWUKXFEE-UHFFFAOYSA-N Sulfurous acid Chemical compound OS(O)=O LSNNMFCWUKXFEE-UHFFFAOYSA-N 0.000 claims 2
- 238000009413 insulation Methods 0.000 claims 1
- 238000001514 detection method Methods 0.000 abstract description 10
- 150000002500 ions Chemical class 0.000 abstract description 4
- 238000011897 real-time detection Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 8
- 238000011010 flushing procedure Methods 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 2
- GBAOBIBJACZTNA-UHFFFAOYSA-L calcium sulfite Chemical compound [Ca+2].[O-]S([O-])=O GBAOBIBJACZTNA-UHFFFAOYSA-L 0.000 description 2
- 235000010261 calcium sulphite Nutrition 0.000 description 2
- 229910052602 gypsum Inorganic materials 0.000 description 2
- 239000010440 gypsum Substances 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000006386 neutralization reaction Methods 0.000 description 1
- 230000001376 precipitating effect Effects 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/10—Devices for withdrawing samples in the liquid or fluent state
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- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The invention discloses a special sampling device for a wet flue gas desulfurization slurry oxidation analyzer, which belongs to the technical field of wet desulfurization equipment and comprises a box body, wherein a liquid collector is arranged in the box body, a sampler is arranged above the liquid collector, a placing table is arranged on the outer side of the bottom of the sampler, and a lifting frame is arranged at the lower end of the placing table; the heat preservation cotton and the heat preservation layer protect the temperature of the slurry to be stable, and the distortion of other ion point positions to the detection data is isolated, so that the detection is accurate, and the real-time detection is realized.
Description
Technical Field
The invention belongs to the technical field of wet desulphurization equipment, and particularly relates to a special sampling device for a wet flue gas desulphurization slurry oxidation analyzer.
Background
At present, more than 90 percent of domestic thermal power plants adopt limestone-gypsum wet desulphurization technology. However, the oxidation link in the wet desulphurization process is not well known, the wet desulphurization process is divided into four stages of absorption, neutralization, oxidation and crystallization, and the biggest difference between the wet desulphurization process and other desulphurization modes (such as a dry method, a semi-dry method and the like) is that calcium sulfite is fully oxidized in the oxidation process, and finally, the calcium sulfite is crystallized into gypsum capable of being comprehensively utilized. The problem that there is not the control means in the oxidation stage universally in the wet flue gas desulfurization process, and the unable monitoring of thick liquid oxidation degree, the unable real-time measurement of oxidation degree measures thick liquid oxidation index, leads to current sample analysis appearance can't carry out direct sampling, and the easy air oxidation of thick liquid leads to the fact the data acquisition distortion.
Disclosure of Invention
The invention provides a special sampling device for a wet flue gas desulfurization slurry oxidation analyzer, which aims to solve the problems in the background.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a special sampling device of wet flue gas desulfurization thick liquid oxidation analysis appearance, the power distribution box comprises a box body, the inside of box is provided with the liquid trap, the top of liquid trap is provided with the sampler, the bottom outside of sampler is provided with places the platform, the lower extreme of placing the platform is provided with the support frame, the upper end of box is provided with the sealing member, the upper end of sealing member is provided with the analysis appearance body, the probe of analysis appearance body inserts in the sampler, the rear side of box is provided with the sampling tube, the sampling tube stretches into in the sampler, and sets up along the laminating of sampler inner wall.
Preferably, the rear side of box is provided with the wash pipe, the wash pipe stretches into in the sampler, and sets up along the laminating of sampler inner wall.
Preferably, the bottom of the liquid collector is provided with a drain pipe, and the drain pipe extends into the outside of the box body.
Preferably, the bottom of the box body is provided with a platform base.
Preferably, the surface of the box body is hinged with a second box door, and the adjacent surfaces of the second box door and the closed part of the box body are both provided with heat preservation layers.
Preferably, heat preservation cotton is arranged in the interlayer of the inner wall of the box body.
Preferably, the surface of the analyzer body is provided with a first door which is hinged, and a display screen is arranged in the middle of the first door.
Preferably, a liquid baffle plate is arranged below the liquid collector.
Compared with the prior art, the invention has the beneficial effects that:
according to the invention, air is isolated through the box body, so that data distortion caused by air oxidation is avoided, eddy current with certain speed and direction is formed by slurry entering the sampler from the sampling pipe, stable and continuous detection of the analyzer body can be realized through flow direction conversion of the slurry, the specific flushing water pipe can flush water to avoid slurry precipitation and blockage, and the problem of detection data fluctuation caused by bubbles caused by slurry quality problem is eliminated; the heat preservation cotton and the heat preservation layer protect the temperature of the slurry to be stable, and the distortion of other ion point positions to the detection data is isolated, so that the detection is accurate, and the real-time detection is realized.
Drawings
Fig. 1 is a schematic structural diagram of a sampling device special for a wet flue gas desulfurization slurry oxidation analyzer.
Fig. 2 is a side view of the present invention.
Fig. 3 is a schematic perspective view of the present invention.
In the figure: 1. a seal member; 2. flushing the water pipe; 3. a sampler; 4. a liquid collector; 5. a liquid baffle; 6. a heat-insulating layer; 7. a platform base; 8. a lifting frame; 9. a placing table; 10. heat preservation cotton; 11. a sampling tube; 12. a display screen; 13. an analyzer body; 14. a first door; 15. a blow-off pipe; 16. a box body; 17. a second door.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides the following technical solutions:
a sampling device special for a wet flue gas desulfurization slurry oxidation analyzer comprises a box body 16, wherein a liquid collector 4 is arranged inside the box body 16, a drain pipe 15 is arranged at the bottom of the liquid collector 4 in order to discharge slurry in the liquid collector 4, the drain pipe 15 extends into the outside of the box body 16, and a liquid baffle plate 5 is arranged below the liquid collector 4 in order to prevent slurry from leaking; a sampler 3 is arranged above the liquid collector 4, a placing table 9 is arranged on the outer side of the bottom of the sampler 3, a lifting frame 8 is arranged at the lower end of the placing table 9, a sealing element 1 is arranged at the upper end of a box body 16, an analyzer body 13 is arranged at the upper end of the sealing element 1, a first box door 14 which is hinged is arranged on the surface of the analyzer body 13 for viewing analysis data, and a display screen 12 is arranged in the middle of the first box door 14; a detection probe of the analyzer body 13 is inserted into the sampler 3, a sampling tube 11 is arranged at the rear side of the box body 16, and the sampling tube 11 extends into the sampler 3 and is attached along the inner wall of the sampler 3; in order to stably support the platform base 7, the platform base 7 is arranged at the bottom of the box body 16;
in this embodiment, in order to avoid the thick liquid to deposit the jam, and can eliminate the bubble, prevent the bubble gathering, the rear side of box 16 is provided with wash pipe 2, and wash pipe 2 stretches into in the sampler 3, and sets up along the laminating of 3 inner walls of sampler.
In this embodiment, in order to protect the temperature stability of the slurry and isolate the distortion of the detection data caused by other ion point positions, the surface of the box body 16 is hinged with a second box door 17, the adjacent surfaces of the closed parts of the second box door 17 and the box body 16 are both provided with an insulating layer 6, and the interlayer of the inner wall of the box body 16 is provided with insulating cotton 10.
The working principle and the using process of the invention are as follows: when the device is used, absorption tower slurry continuously enters the sampler 3 through the sampling pipe 11, the oxidation index of the slurry is measured through the probe of the analyzer body 13, air is isolated through the box body 16, so that the air oxidation is avoided to cause data distortion, the slurry enters the sampler 3 from the sampling pipe 11 to form a vortex with a certain speed and direction, the analyzer body 13 can stably and continuously detect through the flow direction change of the slurry, the slurry can be prevented from precipitating and blocking through the flushing of the specific flushing water pipe 2, and the problem of detection data fluctuation caused by bubbles caused by the slurry quality problem is solved; the heat preservation cotton 6 and the heat preservation layer 10 protect the temperature stability of the slurry and isolate the distortion of detection data caused by other ion point positions.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The utility model provides a special sampling device of wet flue gas desulfurization thick liquid oxidation analysis appearance, includes box (16), its characterized in that: the inside of box (16) is provided with liquid trap (4), the top of liquid trap (4) is provided with sampler (3), the bottom outside of sampler (3) is provided with places platform (9), the lower extreme of placing platform (9) is provided with holds in the palm and lifts frame (8), the upper end of box (16) is provided with sealing member (1), the upper end of sealing member (1) is provided with analysis appearance body (13), the probe of analysis appearance body (13) inserts in sampler (3), the rear side of box (16) is provided with sampling tube (11), sampling tube (11) stretch into in sampler (3), and set up along the laminating of sampler (3) inner wall.
2. The sampling device special for the wet flue gas desulfurization slurry oxidation analyzer according to claim 1, characterized in that: the rear side of box (16) is provided with wash water pipe (2), wash water pipe (2) stretch into in sampler (3), and set up along the laminating of sampler (3) inner wall.
3. The sampling device special for the wet flue gas desulfurization slurry oxidation analyzer according to claim 1, characterized in that: a drain pipe (15) is arranged at the bottom of the liquid collector (4), and the drain pipe (15) extends into the outside of the box body (16).
4. The sampling device special for the wet flue gas desulfurization slurry oxidation analyzer according to claim 1, characterized in that: the bottom of the box body (16) is provided with a platform base (7).
5. The sampling device special for the wet flue gas desulfurization slurry oxidation analyzer according to claim 1, characterized in that: the surface of the box body (16) is hinged with a second box door (17), and the adjacent surfaces of the closed parts of the second box door (17) and the box body (16) are provided with heat preservation layers (6).
6. The sampling device special for the wet flue gas desulfurization slurry oxidation analyzer according to claim 1, characterized in that: and heat insulation cotton (10) is arranged in the interlayer of the wall body of the box body (16).
7. The sampling device special for the sulfite analyzer of wet desulfurization slurry as claimed in claim 1, wherein: the surface of the analyzer body (13) is provided with a first door (14) which is hinged, and the middle of the first door (14) is provided with a display screen (12).
8. The sampling device special for the sulfite analyzer of wet desulfurization slurry as claimed in claim 1, wherein: and a liquid baffle plate (5) is arranged below the liquid collector (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110627906.6A CN113390675A (en) | 2021-06-05 | 2021-06-05 | Special sampling device of wet flue gas desulfurization thick liquid oxidation analysis appearance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110627906.6A CN113390675A (en) | 2021-06-05 | 2021-06-05 | Special sampling device of wet flue gas desulfurization thick liquid oxidation analysis appearance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113390675A true CN113390675A (en) | 2021-09-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110627906.6A Pending CN113390675A (en) | 2021-06-05 | 2021-06-05 | Special sampling device of wet flue gas desulfurization thick liquid oxidation analysis appearance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113390675A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003161737A (en) * | 2001-11-27 | 2003-06-06 | Mitsubishi Heavy Ind Ltd | Apparatus and method for automatic analysis of boron |
| CN201904226U (en) * | 2010-12-20 | 2011-07-20 | 天津力神电池股份有限公司 | Novel drying system for super capacitors |
| CN102928316A (en) * | 2012-10-18 | 2013-02-13 | 李严光 | Density measurement device of desulfurization gypsum slurry |
| CN104515794A (en) * | 2015-01-06 | 2015-04-15 | 上海今见电子科技有限公司 | PH/ORP (Potential of Hydrogen/Oxidation-Reduction Potential) sensor |
| CN205067268U (en) * | 2015-09-09 | 2016-03-02 | 浙江天蓝环保技术股份有限公司 | Wet flue gas desulfurization slurry density and pH sample testing arrangement |
| CN109030114A (en) * | 2018-09-10 | 2018-12-18 | 联峰钢铁（张家港）有限公司 | A kind of block-proof type desulfurizing tower sampler |
| CN210322416U (en) * | 2019-08-08 | 2020-04-14 | 洛阳昶威机械制造安装有限公司 | Novel automatic ore pulp sampling device |
-
2021
- 2021-06-05 CN CN202110627906.6A patent/CN113390675A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003161737A (en) * | 2001-11-27 | 2003-06-06 | Mitsubishi Heavy Ind Ltd | Apparatus and method for automatic analysis of boron |
| CN201904226U (en) * | 2010-12-20 | 2011-07-20 | 天津力神电池股份有限公司 | Novel drying system for super capacitors |
| CN102928316A (en) * | 2012-10-18 | 2013-02-13 | 李严光 | Density measurement device of desulfurization gypsum slurry |
| CN104515794A (en) * | 2015-01-06 | 2015-04-15 | 上海今见电子科技有限公司 | PH/ORP (Potential of Hydrogen/Oxidation-Reduction Potential) sensor |
| CN205067268U (en) * | 2015-09-09 | 2016-03-02 | 浙江天蓝环保技术股份有限公司 | Wet flue gas desulfurization slurry density and pH sample testing arrangement |
| CN109030114A (en) * | 2018-09-10 | 2018-12-18 | 联峰钢铁（张家港）有限公司 | A kind of block-proof type desulfurizing tower sampler |
| CN210322416U (en) * | 2019-08-08 | 2020-04-14 | 洛阳昶威机械制造安装有限公司 | Novel automatic ore pulp sampling device |
Non-Patent Citations (2)
| Title |
|---|
| 杨静: "湿法脱硫浆液pH与ORP氧化双控制实验研究", 《工程科技Ⅰ辑》 * |
| 马双忱等: "多相条件下亚硫酸钙氧化及pH、氧化还原电位（ORP）响应", 《化工进展》 * |
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Application publication date: 20210914 |