CN204412214U - A kind of mercury Standard Gases generating means - Google Patents
A kind of mercury Standard Gases generating means Download PDFInfo
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- CN204412214U CN204412214U CN201420869142.7U CN201420869142U CN204412214U CN 204412214 U CN204412214 U CN 204412214U CN 201420869142 U CN201420869142 U CN 201420869142U CN 204412214 U CN204412214 U CN 204412214U
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- standard gases
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Abstract
This application provides a kind of mercury Standard Gases generating means, comprise carrier gas generator, compound containing mercury generator, reactant generator, reative cell, vaporization chamber, mixing chamber, first switch and second switch, carrier gas generator is communicated with reative cell, carrier gas generator is communicated with vaporization chamber, compound containing mercury generator is communicated with reative cell, compound containing mercury generator is communicated with vaporization chamber, reactant generator is communicated with reative cell, reative cell is communicated with mixing chamber, vaporization chamber is communicated with mixing chamber, mixing chamber is provided with the outlet of mercury Standard Gases, first switch flows into vaporization chamber or reative cell for the carrier gas controlled in carrier gas generator, second switch flows into vaporization chamber or reative cell for the compound containing mercury controlled in compound containing mercury generator.The mercury Standard Gases generating means that the utility model provides, realizes the calibration to monitoring instrument for generation of Elemental Mercury Standard Gases and bivalent mercury Standard Gases.
Description
Technical field
The application relates to gas monitoring techniques field, particularly relates to a kind of mercury Standard Gases generating means.
Background technology
Heavy metal pollution refers to the environmental pollution caused by heavy metal or its compound, caused by waste gas discharge of wastewater, heavy metal pollution directly can be detrimental to health and cause the deterioration of environmental quality, therefore, need to monitor the content of heavy metal before waste gas discharge of wastewater, and in real time it is monitored whether meet discharge standard.
In the waste gas of discharge, heavy metal mainly exists with the form of elemental form or compound, common monitoring method can only be analyzed the heavy metal of elemental form, therefore, content of beary metal in monitoring waste gas, needs the heavy metal of compound form in waste gas to change into the heavy metal of elemental form.
Such as to the monitoring of heavy metal Hg in waste gas, in waste gas, mercury mainly exists with the form of the form of chemical combination state and simple substance, and the mercury of chemical combination state exists with bivalent mercury form usually, the existing monitoring to mercury in waste gas can only carry out monitoring analysis to the mercury of elemental form, therefore, when monitoring the content of the mercury in waste gas, needing bivalent mercury to be changed into mercury simple substance and just can detect mercury contents all in waste gas.In order to make bivalent mercury transformation efficiency precisely controlled, making monitoring result accurate, before the content of the mercury in monitoring waste gas, needing to adopt Elemental Mercury Standard Gases and bivalent mercury Standard Gases to demarcate monitoring instrument.
Therefore, it is possible to produce the mercury Standard Gases generating means of Elemental Mercury Standard Gases and bivalent mercury Standard Gases, generation Elemental Mercury Standard Gases and bivalent mercury Standard Gases realize the demarcation to monitoring instrument, are those skilled in the art's problem demanding prompt solutions.
Utility model content
The utility model provides a kind of mercury Standard Gases generating means, for generation of Elemental Mercury Standard Gases and bivalent mercury Standard Gases, realizes the demarcation to monitoring instrument.
The technical scheme that the utility model provides is as follows:
A kind of mercury Standard Gases generating means, comprise carrier gas generator, compound containing mercury generator, reactant generator, reative cell, vaporization chamber, mixing chamber, first switch and second switch, described carrier gas generator is communicated with described reative cell, described carrier gas generator is communicated with described vaporization chamber, described compound containing mercury generator is communicated with described reative cell, described compound containing mercury generator is communicated with described vaporization chamber, described reactant generator is communicated with described reative cell, described reative cell is communicated with described mixing chamber, described vaporization chamber is communicated with described mixing chamber, described mixing chamber is provided with the outlet of mercury Standard Gases, described first switch flows into described vaporization chamber or described reative cell for the carrier gas controlled in described carrier gas generator, described second switch flows into described vaporization chamber or described reative cell for the compound containing mercury controlled in described compound containing mercury generator.
Preferably, between described carrier gas generator and described first switch, be provided with the first metering device, described first metering device is for measuring the amount of the carrier gas of described carrier gas generator outflow.
Preferably, between described carrier gas generator and described first metering device, be provided with dry mercury removal device, described dry mercury removal device for remove described carrier gas generator flow out carrier gas in moisture and mercury.
Preferably, between described reaction generator and described reative cell, be provided with power set, described power set are used for the reactant in described reactant generator to be delivered in described reative cell.
Preferably, between described compound containing mercury generator and described second switch, be provided with the second metering device of the amount for measuring the compound containing mercury reagent that described compound containing mercury generator flows out.
Preferably, described second switch is three-way switch valve.
Preferably, described power set are for getting liquid pump.
Preferably, described first switch comprises the first control valve and the second control valve, described first control valve is arranged on the conduit for being communicated with described carrier gas generator and described vaporization chamber, and described second control valve is arranged on the conduit for being communicated with described carrier gas generator and described reative cell.
The mercury Standard Gases generating means that the utility model provides, the demarcation that Elemental Mercury Standard Gases and bivalent mercury Standard Gases realize monitoring instrument can be produced, comprise carrier gas source of the gas, compound containing mercury reagent source, reactant source, reative cell, vaporization chamber, first switch and second switch, carrier gas source of the gas is communicated with reative cell, compound containing mercury reagent source is communicated with reative cell, reactant source is communicated with reative cell, reative cell is communicated with mixing chamber, compound containing mercury and reactant react and generate Elemental Mercury in reative cell, Elemental Mercury and carrier gas are mixed to form Elemental Mercury Standard Gases and are then exported by mercury Standard Gases and flow out in mixing chamber, for the calibration to monitoring instrument, carrier gas source of the gas is communicated with vaporization chamber, compound containing mercury reagent source is communicated with vaporization chamber, vaporization chamber is communicated with mixing chamber, compound containing mercury reagent is mixed to form bivalent mercury Standard Gases by evaporation and carrier gas in vaporization chamber in mixing chamber, then flowed out, for the calibration to monitoring instrument by mercury Standard Gases outlet on mixing chamber.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present application or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, the accompanying drawing that the following describes is only some embodiments recorded in the application, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
The mercury Standard Gases generating means structural representation that Fig. 1 provides for embodiment one;
The mercury Standard Gases generating means structural representation that Fig. 2 provides for embodiment two.
Detailed description of the invention
Technical scheme in the application is understood better in order to make those skilled in the art person, below in conjunction with the accompanying drawing in the embodiment of the present application, technical scheme in the embodiment of the present application is clearly and completely described, obviously, described embodiment is only some embodiments of the present application, instead of whole embodiments.Based on the embodiment in the application, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all should belong to the scope of the application's protection.
When monitoring the content of the mercury in waste gas, exist with the form of divalent mercuric compounds because mercury is main in the offgas, and the detection of mercury content in waste gas is needed bivalent mercury to be changed into Elemental Mercury just can carry out, therefore, in the process that the content of mercury is monitored in waste gas, in order to the accuracy of monitoring result, need to use Elemental Mercury Standard Gases and bivalent mercury Standard Gases to demarcate the instrument of monitoring.
Embodiment one
Please as shown in Figure 1, the present embodiment provides a kind of mercury Standard Gases generating means, and this mercury Standard Gases generating means realizes the demarcation to the monitoring instrument that mercury content in waste gas is monitored for generation of Elemental Mercury Standard Gases and bivalent mercury Standard Gases.
This mercury Standard Gases generating means comprises carrier gas generator 101, compound containing mercury generator 102, reactant generator 103, reative cell 104, vaporization chamber 105, mixing chamber 106, first switch 107 and second switch 108, carrier gas generator 101 is communicated with reative cell 104, carrier gas generator 101 is communicated with vaporization chamber 105, compound containing mercury generator 102 is communicated with reative cell 104, compound containing mercury generator 102 is communicated with vaporization chamber 105, reactant generator 103 is communicated with reative cell 104, reative cell 104 is communicated with mixing chamber 106, vaporization chamber 105 is communicated with mixing chamber 106, mixing chamber 106 is provided with mercury Standard Gases outlet 109, first switch 107 flows in vaporization chamber 105 or reative cell 104 for the carrier gas controlled in carrier gas generator 101, second switch 108 flows into vaporization chamber 105 or reative cell 104 for the compound containing mercury controlled in compound containing mercury generator 102.
The mercury Standard Gases generating means that the present embodiment provides, compound containing mercury reagent in compound containing mercury generator 102 reacts with the reactant in reactant generator 103 and generates Elemental Mercury under the effect of second switch 108 in reative cell 104, carrier gas in carrier gas generator 101 enters reative cell 104 at the flows by action of the first switch 107, the Elemental Mercury that reative cell generates is brought in mixing chamber 106 by the carrier gas of carrier gas generator 101, Elemental Mercury Standard Gases is formed after mixing with carrier gas in mixing chamber 106, Elemental Mercury Standard Gases flows out from the mercury Standard Gases outlet 109 mixing chamber 106 instrument detected for changing into the Elemental Mercury after Elemental Mercury to divalent mercuric compounds in detection waste gas to be calibrated, compound containing mercury reagent in compound containing mercury generator 102 to enter in vaporization chamber 105 and is evaporated in vaporization chamber 105 under the effect of second switch 108, carrier gas in carrier gas generator 101 enters vaporization chamber 105 under the effect of the first switch 107, compound containing mercury reagent after evaporation is brought into mixing chamber 106 and be mixed to form bivalent mercury Standard Gases in mixing chamber 106 by carrier gas, then demarcates for changing into the instrument before Elemental Mercury to divalent mercuric compounds in waste gas by the mercury Standard Gases outlet 109 on mixing chamber 106 is flowed out.
Wherein, the carrier gas source of the gas 101 in the present embodiment preferably adopts the air of nitrogen or high pressure compressed.
Compound containing mercury in compound containing mercury generator 102 is bivalent mercury solution, and because divalent mercuric compounds in waste gas is mercury chloride, therefore, bivalent mercury solution is preferably mercuric chloride solution.
The reactant that reactant generator 103 provides is the reducing agent that can displace Elemental Mercury from bivalent mercury solution.
Reative cell 104 preferably adopts airtight reaction vessel, is more preferably confined reaction pond.
Embodiment two
Please as shown in Figure 2, the mercury Standard Gases generating means that the present embodiment provides is from the different of embodiment one,
In the present embodiment, between carrier gas generator 101 and the first switch 107, be provided with the amount of carrier gas of the first metering device 110, first metering device 110 for measuring carrier gas generator 101 and flowing out.
According to the metering of the first metering device 110, the amount of the carrier gas regulating carrier gas generator 101 to flow out by regulating the first switch 107, can control carrier gas and Elemental Mercury or carrier gas and mercuric mixed proportion, thus obtain the mercury Standard Gases of different mixing proportion.
In the present embodiment, between carrier gas generator 101 and the first metering device 110, be provided with dry mercury removal device 111, dry mercury removal device 111 for remove carrier gas generator 101 flow out carrier gas in moisture and mercury.
If containing mercury or mercury compound or moisture in the carrier gas of flowing out in carrier gas generator 101, then in the process of mercury Standard Gases generation, can impact the content of mercury in mercury Standard Gases or mercuric content, thus the demarcation of monitoring instrument is impacted, finally affect the accuracy of mercury monitoring result in waste gas.The carrier gas that the setting of dry mercury removal device 111 makes carrier gas generator 101 flow out is through super-dry mercury removal device 111, eliminate the moisture in carrier gas and mercury, the moisture avoided in carrier gas mix as in mercury Standard Gases on the impact that the demarcation of monitoring instrument causes, make the monitoring result of mercury in waste gas more accurate.
In this example, be provided with power set 112 between reactant generator 103 and reative cell 104, power set 112 are for being delivered to the reactant in reactant generator 103 in reative cell 104.
Wherein, power set 112 preferably adopt and get liquid pump.
In the present embodiment, between compound containing mercury generator 102 and second switch 108, be provided with the second metering device 113 of the amount for measuring the compound containing mercury reagent that compound containing mercury generator 102 flows out.
According to the metering of the compound containing mercury reagent that the second metering device 113 pairs of compound containing mercury generators 102 flow out, the amount of the compound containing mercury reagent that compound containing mercury generator 102 flows out is controlled by second switch 108, accurately can control the amount that in reative cell 104, Elemental Mercury generates, thus the amount of Elemental Mercury in Elemental Mercury Standard Gases is effectively controlled; Also accurately can control the amount of bivalent mercury evaporation in vaporization chamber 105, thus the mercuric amount in bivalent mercury Standard Gases is effectively controlled.
In the present embodiment, second switch 108 preferably adopts three-way switch valve.
First switch can be three-way switch valve, also can be by the carrier gas guiding vaporization chamber 105 in carrier gas generator and the first control valve that the conduit be communicated with vaporization chamber 105 is installed, interior and the second control valve that the conduit be communicated with reative cell 104 is installed by the carrier gas directed response room 104 in carrier gas generator.
When the mercury Standard Gases that the present embodiment provides produces Elemental Mercury Standard Gases, the three-way switch valve of second switch 108 is closed to one end of vaporization chamber 105, one end to reative cell 104 is opened, the mercury chloride standard liquid of the preset concentration prepared is injected reative cell 104 according to constant flow by the metering of the second metering device 113 under the effect of three-way switch valve, namely liquid pump pump is got as excessive reducing solution by power set 112 in advance in reative cell 104, pump into reducing solution in reative cell 104 and mercuric chloride solution in advance to react generation Elemental Mercury, simultaneously, by the metering of the first metering device 110, carrier gas in the effect download gas generator 101 of the second control valve and nitrogen enter in reative cell 104 according to constant flow, by Elemental Mercury with gas form take out of, then in mixing chamber 106, Elemental Mercury Standard Gases is mixed to form, the calibration that namely can be used for monitoring instrument is flowed out finally by the mercury Standard Gases outlet 109 on mixing chamber 106.
When the mercury Standard Gases that the present embodiment provides produces bivalent mercury Standard Gases, the three-way switch valve of second switch 108 is in open mode to one end of vaporization chamber 105, one end to reative cell 104 is in closed condition, the mercury chloride standard liquid of the preset concentration prepared is injected vaporization chamber 105 according to constant flow by the metering of the second metering device 113 under the effect of three-way switch valve, because temperature in vaporization chamber 105 is more than 200 DEG C, therefore the mercury chloride standard liquid entered in vaporization chamber 105 can evaporate, simultaneously, by the metering of the first metering device 110, carrier gas in the effect download gas generator 101 of the first control valve and nitrogen enter in vaporization chamber 105 according to constant flow, by bivalent mercury with gas form take out of, then in mixing chamber 106, bivalent mercury Standard Gases is mixed to form, the calibration that namely can be used for monitoring instrument is flowed out finally by the mercury Standard Gases outlet 109 on mixing chamber 106.
It should be noted that, the mercury Standard Gases generating means provided in the present embodiment can produce mercury Standard Gases and Elemental Mercury Standard Gases or bivalent mercury Standard Gases, can expect, according to actual monitoring demand, compound containing mercury reagent source also can be the compound agent source containing other heavy metals needing monitoring, reactant source can be the reducing solution that can will replace containing the heavy metal needed in the compound agent of other heavy metals of monitoring, thus produce corresponding the simple substance Standard Gases of heavy metal or the Standard Gases of multiple valence state that need monitoring according to the device that the present embodiment provides.
To the above-mentioned explanation of the disclosed embodiments, professional and technical personnel in the field are realized or uses the utility model.To be apparent for those skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein when not departing from spirit or scope of the present utility model, can realize in other embodiments.Therefore, the utility model can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (8)
1. a mercury Standard Gases generating means, it is characterized in that, comprise carrier gas generator (101), compound containing mercury generator (102), reactant generator (103), reative cell (104), vaporization chamber (105), mixing chamber (106), first switch (107) and second switch (108), described carrier gas generator (101) is communicated with described reative cell (104), described carrier gas generator (101) is communicated with described vaporization chamber (105), described compound containing mercury generator (102) is communicated with described reative cell (104), described compound containing mercury generator (102) is communicated with described vaporization chamber (105), described reactant generator (103) is communicated with described reative cell (104), described reative cell (104) is communicated with described mixing chamber (106), described vaporization chamber (105) is communicated with described mixing chamber (106), described mixing chamber (106) is provided with mercury Standard Gases outlet (109), described first switch (107) flows into described vaporization chamber (105) or described reative cell (104) for the carrier gas controlled in described carrier gas generator (101), described second switch (108) flows into described vaporization chamber (105) or described reative cell (104) for the compound containing mercury controlled in described compound containing mercury generator (102).
2. mercury Standard Gases generating means according to claim 1, it is characterized in that, the first metering device (110) is provided with, the amount of carrier gas of described first metering device (110) for measuring described carrier gas generator (101) and flowing out between described carrier gas generator (101) and described first switch (107).
3. mercury Standard Gases generating means according to claim 2, it is characterized in that, between described carrier gas generator (101) and described first metering device (110), be provided with dry mercury removal device (111), described dry mercury removal device (111) is for the moisture in the carrier gas that removes described carrier gas generator (101) and flow out and mercury.
4. mercury Standard Gases generating means according to claim 1, it is characterized in that, between described reactant generator (103) and described reative cell (104), be provided with power set (112), described power set (112) are for being delivered to the reactant in described reactant generator (103) in described reative cell (104).
5. mercury Standard Gases generating means according to claim 1, it is characterized in that, between described compound containing mercury generator (102) and described second switch (108), be provided with second metering device (113) of the amount for measuring the compound containing mercury reagent that described compound containing mercury generator (102) is flowed out.
6. mercury Standard Gases generating means according to claim 1, is characterized in that, described second switch (108) is three-way switch valve.
7. mercury Standard Gases generating means according to claim 4, is characterized in that, described power set (112) are for getting liquid pump.
8. mercury Standard Gases generating means according to claim 1, it is characterized in that, described first switch (107) comprises the first control valve and the second control valve, described first control valve is arranged on the conduit for being communicated with described carrier gas generator (101) and described vaporization chamber (105), and described second control valve is arranged on the conduit for being communicated with described carrier gas generator (101) and described reative cell (104).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201420869142.7U CN204412214U (en) | 2014-12-31 | 2014-12-31 | A kind of mercury Standard Gases generating means |
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| CN201420869142.7U CN204412214U (en) | 2014-12-31 | 2014-12-31 | A kind of mercury Standard Gases generating means |
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| CN204412214U true CN204412214U (en) | 2015-06-24 |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105300760A (en) * | 2015-10-09 | 2016-02-03 | 苏州西热节能环保技术有限公司 | Generator for preparing elemental mercury 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 |
| CN105886796A (en) * | 2016-03-15 | 2016-08-24 | 中国华电集团科学技术研究总院有限公司 | Device for producing mercury standard gas and divalent mercury standard gas on basis of saturation principle |
| CN106040110A (en) * | 2016-05-25 | 2016-10-26 | 北京雪迪龙科技股份有限公司 | Mercuric chloride reduction heating chamber and mercury vapor generating device and method by using heating chamber |
| 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 |
| CN108776194A (en) * | 2018-04-03 | 2018-11-09 | 力合科技（湖南）股份有限公司 | Analytical equipment and gas analyzer |
| 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 |
| CN116358967A (en) * | 2023-05-25 | 2023-06-30 | 中国科学院大气物理研究所 | On-orbit calibration miniature standard source device of gas detection instrument for aerospace detection |
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- 2014-12-31 CN CN201420869142.7U patent/CN204412214U/en active Active
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105300760A (en) * | 2015-10-09 | 2016-02-03 | 苏州西热节能环保技术有限公司 | Generator for preparing elemental mercury 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 |
| CN105886796A (en) * | 2016-03-15 | 2016-08-24 | 中国华电集团科学技术研究总院有限公司 | Device for producing mercury standard gas and divalent mercury standard gas on basis of saturation principle |
| CN106040110A (en) * | 2016-05-25 | 2016-10-26 | 北京雪迪龙科技股份有限公司 | Mercuric chloride reduction heating chamber and mercury vapor generating device and method by using heating chamber |
| 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 |
| CN108776194A (en) * | 2018-04-03 | 2018-11-09 | 力合科技（湖南）股份有限公司 | Analytical equipment and gas analyzer |
| 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 |
| CN116358967A (en) * | 2023-05-25 | 2023-06-30 | 中国科学院大气物理研究所 | On-orbit calibration miniature standard source device of gas detection instrument for aerospace detection |
| CN116358967B (en) * | 2023-05-25 | 2023-09-26 | 中国科学院大气物理研究所 | On-orbit calibration miniature standard source device of gas detection instrument for aerospace detection |
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