CN204346807U - A kind of wet method measures the equipment of division aspect mercury content in pollution source - Google Patents
A kind of wet method measures the equipment of division aspect mercury content in pollution source Download PDFInfo
- Publication number
- CN204346807U CN204346807U CN201420703438.1U CN201420703438U CN204346807U CN 204346807 U CN204346807 U CN 204346807U CN 201420703438 U CN201420703438 U CN 201420703438U CN 204346807 U CN204346807 U CN 204346807U
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- absorption bottle
- absorbing liquid
- absorption
- equipment
- mercury
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Abstract
The utility model proposes the equipment that a kind of wet method measures division aspect mercury content in pollution source, described equipment comprises the multiple absorption bottles connected successively by flue (10), described multiple absorption bottle is unified to be positioned in an ice bath container (20), each described absorption bottle includes draft tube (50) and a gas outlet (60) of below liquid level that a bottleneck from described absorption bottle (30) is inserted into the absorbing liquid (40) in described absorption bottle, and described gas outlet (60) is tightly connected with the bottleneck (30) of described absorption bottle.The utility model adopts a series of absorption bottle being placed in ice bath to absorb sample, the mercury of different shape can be collected in different absorption bottles, thus provide a kind of for the mercury (oxidation state mercury, elemental mercury) of various forms under the different pollution source environment of practical Measurement accuracy and the measuring technology of total mercury content.Described equipment also can be used for the content measuring other heavy metals in pollution source.
Description
Technical field
The utility model relates to a kind of contaminant detection device, and especially a kind of wet method measures the equipment of division aspect mercury content in pollution source, belongs to technical field of measurement and test, and described equipment also can be used for the content measuring other heavy metals in pollution source.
Background technology
Along with expanding economy, effectively control the coal-fired environmental pollution caused very urgent, especially the stack gas emissions of electric power, chemical industry, metallurgy industry is very big for the impact of atmospheric pollution.Wherein, the objectionable impuritiess such as the heavy metal of the flue dust contained by coal-fired flue-gas, sulphuric dioxide, oxides of nitrogen, various form cause one of the root of atmospheric pollution, acid rain and greenhouse effect.In China, the objectionable impurities such as sulphuric dioxide, oxides of nitrogen is mainly produced by coal-fired process.At present, China has carried out large-scale flue gas desulfurization and denitration project, but the heavy metals emission of sulfur dioxide in flue gas, oxides of nitrogen, dust, mercury and so on does not still meet act.std requirement, still needs further improvement.
Existing desulfur technology usually adopts and installs mechanical mist eliminator additional at desulfurizer top, has certain removal effect to carrying gypsum.In addition, the technique of Wet Flue Gas Desulfurization Technique comparative maturity is calcium method and ammonia process.Electricity demist technology in chemical industry application comparatively early, is mainly used to remove acid mist, but unsatisfactory for the removal effect of the heavy metals such as mercury.
Gaseous mercury in the pollution source such as flue gas exists with variform: elemental mercury and oxidation state mercury.Mercury species has different physics and chemistry character.Oxidation state mercury is soluble in water, and elemental mercury has higher saturated vapour pressure under air pollution control devices operating temperature and high pressure, volatile and be insoluble in water.
Therefore a kind of measuring technique is badly in need of, with the content of the heavy metal of such as mercury and so in the flue gas detecting high humidity, high sulfur content, be especially badly in need of a kind of for the mercury (oxidation state mercury, elemental mercury) of various forms under the different pollution source environment of practical Measurement accuracy and the measuring technology of total mercury content.
Utility model content
The technical problems to be solved in the utility model is to provide the equipment that a kind of wet method measures division aspect mercury content in pollution source, to reduce or to avoid problem noted earlier.
For solving the problems of the technologies described above, the utility model proposes the equipment that a kind of wet method measures division aspect mercury content in pollution source, wherein, described equipment comprises the multiple absorption bottles connected successively by flue, described multiple absorption bottle is unified to be positioned in an ice bath (or cryosel bath) container, each described absorption bottle includes draft tube and a gas outlet of a below liquid level being inserted into the absorbing liquid in described absorption bottle from the bottleneck of described absorption bottle, and described gas outlet is connected with the bottle sealing of described absorption bottle.
Preferably, gas outlet described in described draft tube hermetically passing extend into described absorption bottle inside.
Preferably, described equipment comprises 8 described absorption bottles, is respectively the 1st to the 8th absorption bottle.
Preferably, the described absorbing liquid in described 1st to the 3rd absorption bottle is KCl solution, and the described absorbing liquid in described 4th absorption bottle is HNO
3with H
2o
2mixed solution, the described absorbing liquid in described 5th to the 7th absorption bottle is KMnO
4with H
2sO
4mixed solution, the described absorbing liquid in described 8th absorption bottle is discolour silica gel.
Preferably, the described absorbing liquid in described 1st to the 3rd absorption bottle is the mixed solution of KCl and KOH, and the described absorbing liquid in described 4th absorption bottle is HNO
3with H
2o
2mixed solution, the described absorbing liquid in described 5th to the 7th absorption bottle is KMnO
4with H
2sO
4mixed solution, the described absorbing liquid in described 8th absorption bottle is discolour silica gel.
Preferably, the described absorbing liquid in described 1st to the 2nd absorption bottle is KCl solution, and the described absorbing liquid in described 3rd to the 4th absorption bottle is HNO
3with H
2o
2mixed solution, the described absorbing liquid in described 5th to the 7th absorption bottle is KMnO
4with H
2sO
4mixed solution, the described absorbing liquid in described 8th absorption bottle is discolour silica gel.
Preferably, the described absorbing liquid in described 1st to the 2nd absorption bottle is the mixed solution of KCl and KOH, and the described absorbing liquid in described 3rd to the 4th absorption bottle is HNO
3with H
2o
2mixed solution, the described absorbing liquid in described 5th to the 7th absorption bottle is KMnO
4with H
2sO
4mixed solution, the described absorbing liquid in described 8th absorption bottle is discolour silica gel.
Preferably, described equipment comprises 9 described absorption bottles, is respectively the 1st to the 9th absorption bottle.
Preferably, the described absorbing liquid in described 1st to the 3rd absorption bottle is the mixed solution of KCl and KOH, and the described absorbing liquid in described 4th to the 5th absorption bottle is HNO
3with H
2o
2mixed solution, the described absorbing liquid in described 6th to the 8th absorption bottle is KMnO
4with H
2sO
4mixed solution, the described absorbing liquid in described 9th absorption bottle is discolour silica gel.
The utility model adopts a series of absorption bottle being placed in ice bath (or cryosel bath) to absorb sample, the mercury of different shape can be collected in different absorption bottles, thus provide a kind of for the mercury (oxidation state mercury, elemental mercury) of various forms under the different pollution source environment of practical Measurement accuracy and the measuring technology of total mercury content.Described equipment also can be used for the content measuring other heavy metals in pollution source.
Accompanying drawing explanation
The following drawings is only intended to schematically illustrate the utility model and explain, does not limit scope of the present utility model.Wherein,
What Fig. 1 showed is the structural representation measuring the equipment of division aspect mercury content in pollution source according to a kind of wet method of a specific embodiment of the present utility model.
Embodiment
In order to there be understanding clearly to technical characteristic of the present utility model, object and effect, now contrast accompanying drawing and embodiment of the present utility model is described.Wherein, identical parts adopt identical label.
What Fig. 1 showed is the structural representation measuring the equipment of division aspect mercury content in pollution source according to a kind of wet method of a specific embodiment of the present utility model, described equipment can be used for the heavy metal in the gas pollutants such as flue gas, especially detects the mercury (oxidation state mercury, elemental mercury) of form various in pollutant and the content of total mercury.
As shown in the figure, described equipment comprises the multiple absorption bottles connected successively by flue 10, described multiple absorption bottle is unified to be positioned in an ice bath (or cryosel bath) container 20, each absorption bottle includes draft tube 50 and a gas outlet 60 of a below liquid level being inserted into the absorbing liquid 40 in absorption bottle from the bottleneck 30 of absorption bottle, and gas outlet 60 is tightly connected with the bottleneck 30 of absorption bottle.
Preferably, described draft tube 50 hermetically passing gas outlet 60 extend into absorption bottle inside, as shown in the figure.
The utility model adopts a series of absorption bottle being placed in ice bath (or cryosel bath) to absorb sample, the isokinetic sampling from pollution source flue gas stream by sampling thief and filtering system (not shown), keep the flue-gas temperature of 120 DEG C, then flue gas enters a series of absorption bottle being placed in ice bath (or cryosel bath) successively by flue 10, thus obtain sample, the mercury of different shape is collected in different absorption bottles, wherein arranging of a series of absorption bottle can change according to different pollution source environment, as high humidity, the flue gas of high sulfur content needs the setting adopting different absorption bottles, and the concentration of the absorbing liquid in absorption bottle and consumption also can regulate with different flue gas environment.
Such as, in the preferred embodiment of as shown in Figure 1, described equipment can comprise 8 absorption bottles, and the flow direction along flue gas respectively is the 1st to the 8th absorption bottle.
Wherein, the absorbing liquid 40 in the 1st to the 3rd absorption bottle can be KCl solution, and the absorbing liquid 40 in the 4th absorption bottle can be HNO
3with H
2o
2mixed solution, the absorbing liquid 40 in the 5th to the 7th absorption bottle can be KMnO
4with H
2sO
4mixed solution, the absorbing liquid 40 in the 8th absorption bottle can be discolour silica gel.
Or the absorbing liquid 40 in the 1st to the 3rd absorption bottle can be the alkaline solution of the mixing (or mixing of KCl and NaOH, KCl and LiOH etc.) of KCl and KOH, and the absorbing liquid 40 in the 4th absorption bottle can be HNO
3with H
2o
2mixed solution, the absorbing liquid 40 in the 5th to the 7th absorption bottle can be KMnO
4with H
2sO
4mixed solution, the absorbing liquid 40 in the 8th absorption bottle can be discolour silica gel.
Or the absorbing liquid 40 in the 1st to the 2nd absorption bottle can be KCl solution, the absorbing liquid 40 in the 3rd to the 4th absorption bottle can be HNO
3with H
2o
2mixed solution, the absorbing liquid 40 in the 5th to the 7th absorption bottle can be KMnO
4with H
2sO
4mixed solution, the absorbing liquid 40 in the 8th absorption bottle can be discolour silica gel.
Again or, the absorbing liquid 40 in the 1st to the 2nd absorption bottle can be the alkaline solution of the mixing (or mixing of KCl and NaOH, KCl and LiOH etc.) of KCl and KOH, and the absorbing liquid 40 in the 3rd to the 4th absorption bottle can be HNO
3with H
2o
2mixed solution, the absorbing liquid 40 in the 5th to the 7th absorption bottle can be KMnO
4with H
2sO
4mixed solution, the absorbing liquid 40 in the 8th absorption bottle can be discolour silica gel.
In the preferred embodiment that another is not shown, described equipment can comprise 9 absorption bottles, and the flow direction along flue gas respectively is the 1st to the 9th absorption bottle.
Wherein, the absorbing liquid 40 in the 1st to the 3rd absorption bottle can be mixing (or mixing of KCl and NaOH, KCl and the LiOH etc.) solution of KCl and KOH, and the absorbing liquid 40 in the 4th to the 5th absorption bottle can be HNO
3with H
2o
2mixed solution, the absorbing liquid 40 in the 6th to the 8th absorption bottle can be KMnO
4with H
2sO
4mixed solution, the absorbing liquid 40 in the 9th absorption bottle can be discolour silica gel.
In the absorption bottle permutation and combination of above-mentioned different schemes, the mercury of different shape can be collected in different absorption bottles, such as, and the oxidation state mercury (Hg in flue gas
2+) can be absorbed by the absorption bottle of the alkaline solution that the mixing of KCl or KCl and KOH etc. is housed, and element mercury is water insoluble, therefore above alkaline solution absorption bottle in the content for oxidation state mercury in flue gas collected; Element mercury is being equipped with HNO
3with H
2o
2deng mixing strong oxidizing solution absorption bottle in be oxidized to mercury oxide, therefore water soluble, absorbed by solution, thereafter KMnO is housed
4with H
2sO
4the absorption bottle of mixed solution the element mercury missed is carried out being oxidized and absorbing further; The solution droplets that the absorption bottle that discolour silica gel is finally housed absorbs moisture in flue gas or takes out of in Drexel bottle.
Although it will be appreciated by those skilled in the art that the utility model is described according to the mode of multiple embodiment, not each embodiment only comprises an independently technical scheme.So describe in instructions be only used to clear for the purpose of; instructions should integrally be understood by those skilled in the art, and regards technical scheme involved in each embodiment as the mode that mutually can be combined into different embodiment to understand protection domain of the present utility model.
The foregoing is only the schematic embodiment of the utility model, and be not used to limit scope of the present utility model.Any those skilled in the art, the equivalent variations done under the prerequisite not departing from design of the present utility model and principle, amendment and combination, all should belong to the scope of the utility model protection.
Claims (6)
1. a wet method measures the equipment of division aspect mercury content in pollution source, it is characterized in that, described equipment comprises the multiple absorption bottles connected successively by flue (10), described multiple absorption bottle is unified to be positioned in an ice bath container (20), each described absorption bottle includes draft tube (50) and a gas outlet (60) of below liquid level that a bottleneck from described absorption bottle (30) is inserted into the absorbing liquid (40) in described absorption bottle, and described gas outlet (60) is tightly connected with the bottleneck (30) of described absorption bottle.
2. equipment as claimed in claim 1, is characterized in that, it is inner that gas outlet (60) described in described draft tube (50) hermetically passing extend into described absorption bottle.
3. equipment as claimed in claim 1, it is characterized in that, described equipment comprises 8 described absorption bottles, and the flow direction along flue gas respectively is the 1st to the 8th absorption bottle.
4. equipment as claimed in claim 3, it is characterized in that, the described absorbing liquid (40) in described 1st to the 3rd absorption bottle is KCl solution, and the described absorbing liquid (40) in described 4th absorption bottle is HNO
3with H
2o
2mixed solution, the described absorbing liquid (40) in described 5th to the 7th absorption bottle is KMnO
4with H
2sO
4mixed solution, the described absorbing liquid (40) in described 8th absorption bottle is discolour silica gel.
5. equipment as claimed in claim 1, it is characterized in that, described equipment comprises 9 described absorption bottles, and the flow direction along flue gas respectively is the 1st to the 9th absorption bottle.
6. equipment as claimed in claim 5, it is characterized in that, the mixed solution that the described absorbing liquid (40) in described 1st to the 3rd absorption bottle is KCl and KOH, the described absorbing liquid (40) in described 4th to the 5th absorption bottle is HNO
3with H
2o
2mixed solution, the described absorbing liquid (40) in described 6th to the 8th absorption bottle is KMnO
4with H
2sO
4mixed solution, the described absorbing liquid (40) in described 9th absorption bottle is discolour silica gel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420703438.1U CN204346807U (en) | 2014-11-21 | 2014-11-21 | A kind of wet method measures the equipment of division aspect mercury content in pollution source |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420703438.1U CN204346807U (en) | 2014-11-21 | 2014-11-21 | A kind of wet method measures the equipment of division aspect mercury content in pollution source |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204346807U true CN204346807U (en) | 2015-05-20 |
Family
ID=53230068
Family Applications (1)
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|---|---|---|---|
| CN201420703438.1U Expired - Fee Related CN204346807U (en) | 2014-11-21 | 2014-11-21 | A kind of wet method measures the equipment of division aspect mercury content in pollution source |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204346807U (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107655727A (en) * | 2017-10-25 | 2018-02-02 | 天津大学 | Mercury species device and its method for sampling in integral collecting measure air |
| CN108088711A (en) * | 2018-02-07 | 2018-05-29 | 内蒙古电力(集团)有限责任公司内蒙古电力科学研究院分公司 | Mercury sampling apparatus in a kind of coal steam-electric plant smoke |
| CN108956238A (en) * | 2018-09-12 | 2018-12-07 | 河南理工大学 | A kind of separation of Hg in natural gas, purification system and method |
| CN109142017A (en) * | 2018-09-12 | 2019-01-04 | 河南理工大学 | Separation, collecting device and the method for mercury in a kind of crude oil |
| CN109253994A (en) * | 2018-10-31 | 2019-01-22 | 中国石油天然气股份有限公司 | A kind of oil-gas-source mercury isotope detection method and device |
| CN109253995A (en) * | 2018-10-31 | 2019-01-22 | 中国石油天然气股份有限公司 | A kind of the mercury isotope test method and its device of natural gas |
| CN109253996A (en) * | 2018-10-31 | 2019-01-22 | 中国石油天然气股份有限公司 | A kind of the mercury isotope test method and its device of crude oil |
| CN114487270A (en) * | 2021-10-11 | 2022-05-13 | 清华大学 | Fractal state testing method and testing device for whole-process flue gas mercury of fixed pollution source |
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2014
- 2014-11-21 CN CN201420703438.1U patent/CN204346807U/en not_active Expired - Fee Related
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107655727A (en) * | 2017-10-25 | 2018-02-02 | 天津大学 | Mercury species device and its method for sampling in integral collecting measure air |
| CN108088711A (en) * | 2018-02-07 | 2018-05-29 | 内蒙古电力(集团)有限责任公司内蒙古电力科学研究院分公司 | Mercury sampling apparatus in a kind of coal steam-electric plant smoke |
| CN108956238A (en) * | 2018-09-12 | 2018-12-07 | 河南理工大学 | A kind of separation of Hg in natural gas, purification system and method |
| CN109142017A (en) * | 2018-09-12 | 2019-01-04 | 河南理工大学 | Separation, collecting device and the method for mercury in a kind of crude oil |
| CN109142017B (en) * | 2018-09-12 | 2023-09-12 | 河南理工大学 | Equipment and method for separating and collecting mercury in crude oil |
| CN109253994B (en) * | 2018-10-31 | 2021-05-28 | 中国石油天然气股份有限公司 | Oil and gas source mercury isotope detection method and device |
| CN109253996A (en) * | 2018-10-31 | 2019-01-22 | 中国石油天然气股份有限公司 | A kind of the mercury isotope test method and its device of crude oil |
| CN109253996B (en) * | 2018-10-31 | 2021-05-28 | 中国石油天然气股份有限公司 | Mercury isotope testing method and device for crude oil |
| CN109253995A (en) * | 2018-10-31 | 2019-01-22 | 中国石油天然气股份有限公司 | A kind of the mercury isotope test method and its device of natural gas |
| CN109253995B (en) * | 2018-10-31 | 2021-06-01 | 中国石油天然气股份有限公司 | Mercury isotope testing method and device for natural gas |
| US11119084B2 (en) | 2018-10-31 | 2021-09-14 | Petrochina Company Limited | Methods and devices for detecting mercury isotopes in natural gas |
| US11119085B2 (en) | 2018-10-31 | 2021-09-14 | Petrochina Company Limited | Methods and devices for detecting mercury isotopes in oil-gas sources |
| CN109253994A (en) * | 2018-10-31 | 2019-01-22 | 中国石油天然气股份有限公司 | A kind of oil-gas-source mercury isotope detection method and device |
| CN114487270A (en) * | 2021-10-11 | 2022-05-13 | 清华大学 | Fractal state testing method and testing device for whole-process flue gas mercury of fixed pollution source |
| CN114487270B (en) * | 2021-10-11 | 2022-11-18 | 清华大学 | Fractal state testing method and testing device for whole-process flue gas mercury of fixed pollution source |
| WO2023061248A1 (en) * | 2021-10-11 | 2023-04-20 | 清华大学 | Form-based test method and apparatus for mercury in flue gas from stationary pollution source in whole process |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150520 Termination date: 20151121 |
|
| EXPY | Termination of patent right or utility model |