CN102749422A - Mercury standard gas generating device - Google Patents
Mercury standard gas generating device Download PDFInfo
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- CN102749422A CN102749422A CN2012102463808A CN201210246380A CN102749422A CN 102749422 A CN102749422 A CN 102749422A CN 2012102463808 A CN2012102463808 A CN 2012102463808A CN 201210246380 A CN201210246380 A CN 201210246380A CN 102749422 A CN102749422 A CN 102749422A
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Abstract
The invention discloses a mercury standard gas generating device which comprises a vaporizing and mixing component, a reacting unit and a gas storing component. The vaporizing and mixing component consists of a first inlet, a second inlet and an outlet, the first inlet of the vaporizing and mixing component is communicated with a carrier gas source, the second inlet of the vaporizing and mixing component is communicated with a mercury-containing compound reagent source, the outlet of the vaporizing and mixing component is communicated with the reacting unit, a reaction reagent is filled in the reacting unit, mercury-containing compound reagent in the reacting unit and the reaction reagent are in replacement reaction and generate simple mercury, gaseous mercury is formed after the simple mercury is heated, the gaseous mercury and carrier gas are mixed to form mercury standard gas, and the mercury standard gas generated by the reacting unit is communicated with the gas storage component via a gas outlet of the reacting unit. Accordingly, the mercury standard gas can be generated by the mercury standard gas generating device, and a mercury analyzer can carry out accurate calibration.
Description
Technical field
The present invention relates to standard gas generation equipment technical field, particularly relate to a kind of mercury standard gas generating means.
Background technology
Improving constantly of Along with people's environmental consciousness, various heavy metal pollution accidents have obtained national great attention, contamination accident be the hazards of destroying ecologic environment, threatening human health; Based on the present environmental pollution present situation of China, develop can field monitoring heavy metal index instrument, dangerous content of beary metal is monitored in real time, it is extremely urgent to promote environment risk identification, assessment, prevention, emergency disposal level.
Mercury is commonly called as mercury, is a kind of argenteous liquid metal, and evaporation is promptly arranged in the normal temperature, and evaporating into airborne mercury can cause than major injury human body, and mercury pollution belongs to one of a kind of comparatively common heavy metal pollution; Therefore, measure airborne mercury content, avoid seeming of mercury pollution accident particularly important.
Mercury analyzer in the mercury content measuring system needs mercury standard gas to realize demarcating, and therefore, how to produce simple substance mercury standard gas, realizes the accurate demarcation of mercury analyzer, just becomes the technical matters that those skilled in the art need solution badly.
Summary of the invention
The purpose of this invention is to provide a kind of mercury standard gas generating means, it can produce simple substance mercury standard gas, realizes the accurate demarcation of mercury analyzer.
Mercury standard gas generating means provided by the present invention; Comprise the vaporization hydrid component; First import of said vaporization hydrid component is communicated with the carrier gas source of the gas; Its second import is communicated with the compound containing mercury reagent source, the outlet of said vaporization hydrid component with in the respond reaction member of reagent be communicated with, the mercury standard gas that said reaction member produces is through its gas outlet and gas storage members.
Preferably, also comprise the mass flow controller that is arranged between said carrier gas source of the gas and the said vaporization hydrid component, the carrier gas in the said carrier gas source of the gas is imported the flow of said vaporization hydrid component through said mass flow controller control.
Preferably, between said compound containing mercury reagent source and the said vaporization hydrid component peristaltic pump is installed, said compound containing mercury reagent is sent into said vaporization hydrid component through said peristaltic pump.
Preferably, said vaporization hydrid component and said reaction member all are in the temperature constant state of predetermined temperature.
Preferably, the temperature of said vaporization hydrid component and said reaction member is by the main control unit control of said mercury standard gas generating means.
Preferably, said main control unit is the MCU unit.
Preferably, also comprise the display setting device of controlling by said main control unit.
Preferably, also comprise the mass sensor that detects said compound containing mercury reagent weight.
Preferably, said mass sensor is an electronic balance.
Mercury standard gas generating means provided by the present invention comprises vaporization hydrid component, reaction member and gas storage parts, and wherein, the vaporization hydrid component comprises first import, second import and outlet; First import of vaporization mixing arrangement is communicated with the carrier gas source of the gas; Its second import is communicated with the compound containing mercury reagent source, and the outlet of vaporization mixing arrangement is communicated with reaction member, and reagent responds in the reaction member; Compound containing mercury reagent in reaction member with reaction reagent generation displacement reaction; And produce simple substance mercury, and simple substance mercury is mixed into mercury standard gas with carrier gas after when heating, forming gaseous mercury, and the mercury standard gas that reaction member produces is through its gas outlet and gas storage members; Like this, can produce mercury standard gas, realize the accurate demarcation of mercury analyzer through mercury standard gas generating means.
In a kind of embodiment; Mercury standard gas generating means provided by the present invention also comprises mass flow controller; This mass flow controller is arranged between carrier gas source of the gas and the vaporization hydrid component; The flow of carrier gas input vaporization hydrid component so that adjust the flow of input carrier gas according to actual needs, improves the precision preparation of mercury standard gas through mass flow controller control.
In another kind of embodiment, vaporization hydrid component and reaction member all are in the temperature constant state of predetermined temperature, so that its interior reagent is realized high-temperature catalytic, improve the generation efficient of mercury standard gas.
Description of drawings
Fig. 1 is the structural representation of a kind of embodiment of mercury standard gas generating means provided by the present invention.
Embodiment
Core of the present invention provides a kind of mercury standard gas generating means, and it can produce simple substance mercury standard gas, realizes the accurate demarcation of mercury analyzer.
In order to make those skilled in the art person understand the present invention program better, the present invention is done further detailed description below in conjunction with accompanying drawing and embodiment.
Please refer to Fig. 1, Fig. 1 is the structural representation of a kind of embodiment of mercury standard gas generating means provided by the present invention.
Mercury standard gas generating means provided by the present invention comprises vaporization hydrid component 1, reaction member 4 and gas storage parts 5; Wherein, Vaporization hydrid component 1 comprises first import, second import and outlet, and first import of vaporization mixing arrangement is communicated with carrier gas source of the gas 2, and its second import is communicated with compound containing mercury reagent source 3; The outlet of vaporization mixing arrangement is communicated with reaction member 4; The reagent that responds in the reaction member 4, compound containing mercury reagent in reaction member 4 with reaction reagent generation displacement reaction, and produce simple substance mercury; Simple substance mercury is mixed into mercury standard gas with carrier gas after when heating, forming gaseous mercury, and the mercury standard gas that reaction member 4 produces is communicated with gas storage parts 5 through its gas outlet; Like this, can produce mercury standard gas, realize the accurate demarcation of mercury analyzer through mercury standard gas generating means.
Carrier gas is generally the nitrogen of suitable density, also can be conventional other inert gases that use in this area.
Compound containing mercury is generally mercuric chloride reagent, also can the lower compound containing mercury of other chemical stabilities, for example, the compound of other halogens and mercury element.
Reaction member contains catalyzer 4 li more, so that improve reaction velocity.
In a kind of embodiment; Mercury standard gas generating means provided by the present invention also comprises mass flow controller 6; This mass flow controller 6 is arranged between carrier gas source of the gas 2 and the vaporization hydrid component 1; The flow of carrier gas input vaporization hydrid component 1 so that adjust the flow of input carrier gas according to actual needs, improves the precision preparation of mercury standard gas through mass flow controller 6 controls.
Installing between compound containing mercury reagent source 3 and the vaporization hydrid component 1 to have peristaltic pump 7, and compound containing mercury reagent is pumped into vaporization hydrid component 1 through peristaltic pump 7, so that improve the efficient that pumps into of compound containing mercury, improves the aerogenesis speed of equipment.
In another kind of embodiment, vaporization hydrid component 1 all is in the temperature constant state of predetermined temperature with reaction member 4, so that its interior reagent is realized high-temperature catalytic, improves the generation efficient of mercury standard gas.
Predetermined temperature is meant catalyzer is had an effect, and the temperature that displacement reaction is taken place, and this temperature should not done qualification at this by the character of the reaction reagent of participating in chemical reaction and the character decision of catalyzer.
The temperature of vaporization hydrid component 1 and reaction member 4 also can be by temperature control unit control separately by the main control unit control of mercury standard gas generating means.
Above-mentioned main control unit is MCU unit 8.
Mercury standard gas generating means provided by the present invention also comprises the display setting device 9 by main control unit control, and the mass sensor that detects said compound containing mercury reagent weight.
Above-mentioned mass sensor is an electronic balance 10.
More than mercury standard gas generating means provided by the present invention has been carried out detailed introduction.Used concrete example among this paper principle of the present invention and embodiment are set forth, the explanation of above embodiment just is used for helping to understand method of the present invention and core concept thereof.Should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention, can also carry out some improvement and modification to the present invention, these improvement and modification also fall in the protection domain of claim of the present invention.
Claims (9)
1. mercury standard gas generating means; It is characterized in that; Comprise vaporization hydrid component (1), first import of said vaporization hydrid component (1) is communicated with carrier gas source of the gas (2), and its second import is communicated with compound containing mercury reagent source (3); The outlet of said vaporization hydrid component (1) with in the respond reaction member (4) of reagent be communicated with, the mercury standard gas that said reaction member (4) produces is communicated with gas storage parts (5) through its gas outlet.
2. mercury standard gas generating means according to claim 1; It is characterized in that; Also comprise the mass flow controller (6) that is arranged between said carrier gas source of the gas (2) and the said vaporization hydrid component (1), the carrier gas in the said carrier gas source of the gas (2) is imported the flow of said vaporization hydrid component (1) through said mass flow controller (6) control.
3. mercury standard gas generating means according to claim 1; It is characterized in that; Between said compound containing mercury reagent source (3) and the said vaporization hydrid component (1) peristaltic pump (7) is installed, said compound containing mercury reagent is pumped into said vaporization hydrid component (1) through said peristaltic pump (7).
4. mercury standard gas generating means according to claim 1 is characterized in that said vaporization hydrid component (1) and said reaction member (4) all are in the temperature constant state of predetermined temperature.
5. mercury standard gas generating means according to claim 4 is characterized in that, the temperature of said vaporization hydrid component (1) and said reaction member (4) is by the main control unit control of said mercury standard gas generating means.
6. mercury standard gas generating means according to claim 5 is characterized in that said main control unit is MCU unit (8).
7. mercury standard gas generating means according to claim 6 is characterized in that, also comprises the display setting device (9) by said main control unit control.
8. according to each described mercury standard gas generating means of claim 1 to 7, it is characterized in that, also comprise the mass sensor that detects said compound containing mercury reagent weight.
9. mercury standard gas generating means according to claim 8 is characterized in that said mass sensor is electronic balance (10).
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| CN201210246380.8A CN102749422B (en) | 2012-07-16 | 2012-07-16 | Mercury standard gas generating device |
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| CN201210246380.8A CN102749422B (en) | 2012-07-16 | 2012-07-16 | Mercury standard gas generating device |
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| CN102749422B CN102749422B (en) | 2015-01-21 |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103728421A (en) * | 2014-01-07 | 2014-04-16 | 北京雪迪龙科技股份有限公司 | Element mercury standard gas preparation method and element mercury standard gas preparation system |
| CN105004676A (en) * | 2015-06-05 | 2015-10-28 | 福建省计量科学研究院 | Method for measuring concentration of mercury ions in smoke on basis of ultrasonic atomization method |
| CN105301188A (en) * | 2015-09-29 | 2016-02-03 | 杭州超距科技有限公司 | Automatic calibration device of coal-fired power plant flue gas mercury measuring instrument and control method |
| CN105334299A (en) * | 2015-12-15 | 2016-02-17 | 北京雪迪龙科技股份有限公司 | Standard gas generation system and method for dynamically monitoring standard gas |
| CN105699146A (en) * | 2016-03-15 | 2016-06-22 | 中国华电集团科学技术研究总院有限公司 | Device for producing mercury and bivalent mercury standard gas based on penetration principle |
| CN106093301A (en) * | 2016-06-06 | 2016-11-09 | 北京雪迪龙科技股份有限公司 | Standard Gases generation control method, system and standard gas distribution meter under a kind of operating mode |
| CN106841068A (en) * | 2017-01-23 | 2017-06-13 | 北京雪迪龙科技股份有限公司 | Prepare the body method of mercury vapour containing extra fine quality and Mercury In The Air monitoring system calibration method |
| CN108107161A (en) * | 2017-12-27 | 2018-06-01 | 中国科学院北京综合研究中心 | Evaluate the device of oxidation state mercury sorbing material performance |
| CN111141885A (en) * | 2019-05-07 | 2020-05-12 | 杭州超钜科技有限公司 | Automatic detection device and detection method for gas mercury detector |
| CN111495282A (en) * | 2020-04-22 | 2020-08-07 | 重庆川仪自动化股份有限公司 | Device and method for generating gaseous ionic mercury |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105301188A (en) * | 2015-09-29 | 2016-02-03 | 杭州超距科技有限公司 | Automatic calibration device of coal-fired power plant flue gas mercury measuring instrument and control method |
| CN105334299A (en) * | 2015-12-15 | 2016-02-17 | 北京雪迪龙科技股份有限公司 | Standard gas generation system and method for dynamically monitoring standard gas |
| CN105699146A (en) * | 2016-03-15 | 2016-06-22 | 中国华电集团科学技术研究总院有限公司 | Device for producing mercury and bivalent mercury standard gas based on penetration principle |
| CN106093301A (en) * | 2016-06-06 | 2016-11-09 | 北京雪迪龙科技股份有限公司 | Standard Gases generation control method, system and standard gas distribution meter under a kind of operating mode |
| CN106093301B (en) * | 2016-06-06 | 2020-09-15 | 北京雪迪龙科技股份有限公司 | Standard gas generation control method and system under working condition and standard gas distribution instrument |
| CN106841068A (en) * | 2017-01-23 | 2017-06-13 | 北京雪迪龙科技股份有限公司 | Prepare the body method of mercury vapour containing extra fine quality and Mercury In The Air monitoring system calibration method |
| CN108107161A (en) * | 2017-12-27 | 2018-06-01 | 中国科学院北京综合研究中心 | Evaluate the device of oxidation state mercury sorbing material performance |
| CN111141885A (en) * | 2019-05-07 | 2020-05-12 | 杭州超钜科技有限公司 | Automatic detection device and detection method for gas mercury detector |
| CN111495282A (en) * | 2020-04-22 | 2020-08-07 | 重庆川仪自动化股份有限公司 | Device and method for generating gaseous ionic mercury |
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|---|---|
| CN102749422B (en) | 2015-01-21 |
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