CN205593983U - Mercury on -line monitoring device based on principle of osmosis - Google Patents
Mercury on -line monitoring device based on principle of osmosis Download PDFInfo
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- CN205593983U CN205593983U CN201620199592.9U CN201620199592U CN205593983U CN 205593983 U CN205593983 U CN 205593983U CN 201620199592 U CN201620199592 U CN 201620199592U CN 205593983 U CN205593983 U CN 205593983U
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Abstract
The utility model discloses a mercury on -line monitoring device based on principle of osmosis, the device include and mercury monitoring system are connected with testing object, the mercury calbiration system, with mercury monitoring system be linked together, and it is right to be used for mercury monitoring system carries out system error and marks, and the mercury calbiration system adopts elemental mercury be mercury source, removes system error 0 through principle of osmosis and plasma generation elemental mercury standard gas and bivalent mercury standard gas, and system error 1 system error 2 is simple, adopts same mercury source simultaneously, and the problem of tracing to the source for twice and transmitting need be carried out to the mercury source nonconformity that mercury source brought of avoiding adopting the difference, and the monitoring of full mercury and form mercury can be realized to the while.
Description
Technical field
This utility model belongs to gaseous mercury monitoring field, is specifically related to a kind of hydrargyrum on-Line Monitor Device based on penetration theory.
Background technology
Hydrargyrum (Hg) is global heavy metal contaminants, and its atmospheric residence time is long, and there is accumulative effect in vivo, and therefore environment and human health are caused harm greatly by mercury pollution.Anthropogenic discharge is the main source of mercury pollution, and the mercury pollution problem of China is the most prominent.Along with China's pay attention to day by day to environmental conservation, the discharge standard of stationary source gas mercury can be increasingly strict, and therefore exploitation stationary source gas mercury on-Line Monitor Device and method are significant.
In waste gas (such as flue gas etc.), hydrargyrum is mainly presented in the form and simple substance of compound state, and the hydrargyrum of compound state generally exists with bivalent mercury form, for making monitoring result accurate, need to use element mercury calibrating gas and bivalent mercury calibrating gas monitoring instrument is demarcated and calibrates.
And bivalent mercury calibrating gas generator generally uses mercuric chloride solution as hydrargyrum source in prior art, its formation bivalent mercury steam that volatilizees is made by heating mercuric chloride solution, such as: Chinese patent literature CN 102500203A discloses mercuric generating means and application thereof in a kind of simulated flue gas, being injected into by mercuric chloride solution by syringe pump adds in heat pipe, by add heater outside heat pipe control heating tube temperature be 105～650 DEG C to form bivalent mercury steam, but use mercuric chloride solution to produce source as bivalent mercury steam, on the one hand solution replacing can produce harm to operator, on the other hand there is deviation in mercuric chloride solution volatilization itself.China document (old trifoliate orange monarch, once people .2011. online atmospheric mercury analyzer osmos tube scaling method research [J] was found. ACTA Scientiae Circumstantiae, 31 6): 1192-1197) by using osmos tube, osmos tube is carried out temperature control, element mercury is utilized to volatilize, the element mercury of volatilization penetrates osmos tube to produce element mercury calibrating gas, carries out instrumental correction.
Hydrargyrum on-Line Monitor Device of the prior art is respectively adopted and is separately provided bivalent mercury steam or hydrargyrum on-Line Monitor Device is corrected by element mercury calibrating gas device, on the one hand the cost of hydrargyrum on-Line Monitor Device is added, on the other hand there is the problem (such as: needs carry out mensuration etc. respectively to the character in difference hydrargyrum sources) of the inconsistent transmission that needs to carry out twice to trace to the source in hydrargyrum source, add loaded down with trivial details operating procedure.
Utility model content
The purpose of this utility model is to solve in prior art in hydrargyrum on-Line Monitor Device complex steps during correction, and the technical problem of the inconsistent transmission that needs to carry out twice to trace to the source in hydrargyrum source, and then provides a kind of hydrargyrum on-Line Monitor Device based on penetration theory.
In order to solve above-mentioned technical problem, the technical solution of the utility model is as follows:
Hydrargyrum on-Line Monitor Device based on penetration theory provided by the utility model, monitors system including hydrargyrum, is connected with detection object；
Hydrargyrum calibration system, is connected with described hydrargyrum monitoring system, in order to described hydrargyrum monitoring system is carried out systematic error demarcation；
Described hydrargyrum calibration system includes element mercury calibrating gas generation system, described element mercury calibrating gas generation system includes the first carrier gas device being sequentially connected with by pipeline and the element mercury generator producing mercury gas, also include bivalent mercury calibrating gas generation system, it includes the plasma (orifice) gas source apparatus being sequentially connected with by pipeline, gas pre-mixed room and the bivalent mercury generator of generation bivalent mercury gas, described gas pre-mixed room also mercurous gas outlet with described element mercury generator is connected, in order to plasma source of the gas is mixed containing mercury gas with what element mercury generator produced, described bivalent mercury generator is provided with high frequency and high voltage power supply generating means, in order to produce plasma, mercury gas is oxidized to bivalent mercury gas.
In above-mentioned hydrargyrum on-Line Monitor Device based on penetration theory, described hydrargyrum monitoring system includes the sampling system (in order to gather mercurous and mercuric gas) sequentially connected, pretreatment system (in order to mercurous and mercuric gas is carried out dust removal by filtration), form transformation system (in order to be mercury gas by bivalent mercury gas reduction), hydrargyrum enrichment conciliates adsorption system (in order to enriched element hydrargyrum, and the element mercury heating desorption of enrichment is taken out of by carrier gas) and mercury analyzer (in order to element mercury is carried out quantitative analysis), wherein said sampling system the most respectively with described hydrargyrum calibration system produce hydrargyrum and bivalent mercury gas and detection object be connected.
Preferably, also include control system, described control system is respectively with hydrargyrum calibration system, sampling system, pretreatment system, form transformation system, adsorption system is conciliate in hydrargyrum enrichment and mercury analyzer is connected, in order to realize controlling, such as to corresponding system: control the gas flow of hydrargyrum calibration system, the calibration intervals etc. to hydrargyrum monitoring system；Control the sampling quantity etc. of sampling system；Control the dedusting limit of pretreatment system；The temperature of control form transformation system and bivalent mercury are converted into the degree of element mercury；Control hydrargyrum enrichment and conciliate the temperature of adsorption system, enrichment time, desorption time etc.；Control the test data of mercury analyzer and by data feedback to control system；As: control system can use flow-control module of the prior art to control flow, temperature control modules controls temperature, the folding etc. of electromagnetic valve control piper.
Preferably, also including the data collecting system being connected with described control system, in order to the data in described control system are acquired and to be transmitted, it includes that data collecting instrument, data send and receiver module.
Preferably, described hydrargyrum calibration system also includes the second carrier gas device, in order to regulate the concentration containing mercury gas that element mercury generator produces.
Preferably, described form transformation system has also been arranged in parallel bypass gas conveyance conduit, in order to by gas out from pretreatment system directly in it enters hydrargyrum enrichment system.
Preferably, the mercurous gas outlet of described element mercury generator is provided with mercurous gas export line, described gas pre-mixed room is connected with described mercurous gas export line, in order to contain mercury gas to described gas pre-mixed indoor conveying, it is achieved plasma source of the gas and the mixing containing mercury gas.
Preferably, described second carrier gas device is connected with described mercurous gas export line, junction point along gas flow direction, described second carrier gas device and described mercurous gas export line is arranged at the front of described gas pre-mixed room and described mercurous gas export line junction point.
Preferably, described second carrier gas device is connected with described mercurous gas export line, along gas flow direction, the junction point of described second carrier gas device and described mercurous gas export line is arranged at the front of described gas pre-mixed room and described mercurous gas export line junction point, and the rear of described element mercury generator.
Preferably, described hydrargyrum monitoring system includes the sampling system sequentially connected by pipeline, in order to gather mercurous and mercuric gas；Pretreatment system, in order to carry out dust removal by filtration to mercurous and mercuric gas；Form transformation system, in order to being mercury gas by bivalent mercury gas reduction；Adsorption system is conciliate in hydrargyrum enrichment, in order to enriched element hydrargyrum, and the element mercury heating desorption of enrichment is taken out of by carrier gas；Mercury analyzer, in order to carry out quantitative analysis to element mercury.
The two ends of described bypass gas conveyance conduit realize being connected with the pipeline passing in and out described form transformation system by electromagnetic valve respectively.
Preferably, described form transformation system is pyrolysis oven.
Preferably, described bivalent mercury generator arranges the gas outlet Han bivalent mercury；Described mercurous gas outlet is connected with described sampling system by pipeline respectively with described bivalent mercury gas outlet.
Preferably, the mercurous gas outlet of described element mercury generator is provided with mercurous gas export line, described gas pre-mixed room is connected with described mercurous gas export line, in order to contain mercury gas to described gas pre-mixed indoor conveying, it is achieved plasma source of the gas and the mixing containing mercury gas；
Described bivalent mercury generator is low-temperature plasma generator.
Preferably, also include the effusion meter of adjusting gas flow, described effusion meter is arranged on the pipeline that the first carrier gas device is connected with described element mercury generator, or on the pipeline that is connected with described mercurous gas export line of described second carrier gas device, or on the pipeline that is connected with described mercurous gas export line of described gas pre-mixed room, or on the pipeline that is connected with gas premixer of plasma (orifice) gas source apparatus, or on mercurous gas export line, or on the pipeline that is connected with described sampling system of described bivalent mercury gas outlet.
Preferably, described gas pre-mixed room realizes being connected by three-way valve with described mercurous gas export line, and the junction point along gas flow direction, described second carrier gas device and described mercurous gas export line is arranged at the front of described three-way valve.
Preferably, described flow is calculated as mass flowmenter or volume flowmeter.
Preferably, the carrier gas in the first carrier gas device and the second carrier gas device is noble gas, such as: N2, Ar etc..
Preferably, the gas in plasma (orifice) gas source apparatus is for can produce isoionic gas, such as: O2、HCl、Cl2Or H2O etc..
Technical solutions of the utility model, have the advantage that
1) hydrargyrum on-Line Monitor Device based on penetration theory provided by the utility model, system is monitored by hydrargyrum, hydrargyrum calibration system, achieve the on-line monitoring of hydrargyrum, and realizing periodically described hydrargyrum monitoring system being carried out systematic error demarcation by hydrargyrum calibration system, hydrargyrum calibration system is by by the noble gas in the first carrier gas device (such as: N2, Ar etc.) enter in element mercury generator, taking away elemental mercury from vapor therein, the elemental mercury from vapor taken away is divided into two parts, and a part is as element mercury calibrating gas, another part enters in gas pre-mixed room, and from the gas in plasma (orifice) gas source apparatus (such as: O2、HCl、Cl2Or H2O etc.) in gas pre-mixed room after mix homogeneously, together enter in low-temperature plasma generator, elemental mercury from vapor therein is made to be completely converted into bivalent mercury steam by low-temperature plasma generator, by controlling flow during whole, the temperature of element mercury generator and the relevant parameter (such as high frequency and high voltage power supply) of low-temperature plasma generator, element mercury calibrating gas and bivalent mercury calibrating gas have been obtained simultaneously, use same hydrargyrum source simultaneously, avoid the problem (such as: need the character in different hydrargyrum sources is carried out mensuration etc. respectively) of the inconsistent transmission that needs to carry out twice to trace to the source in the hydrargyrum source using different hydrargyrum sources to be brought, simplify operating procedure.
2) hydrargyrum on-Line Monitor Device based on penetration theory provided by the utility model, by arranging bypass gas conveyance conduit at form transformation system two ends, and the two ends of described bypass gas conveyance conduit realize being connected with the pipeline passing in and out described form transformation system by electromagnetic valve respectively, this setting realizes mercurous and bivalent mercury gas by form transformation system by controlling electromagnetic valve, or not by form transformation system, when by form transformation system, mercurous and in bivalent mercury gas bivalent mercury is converted into element mercury, after adsorption system enrichment is conciliate in hydrargyrum enrichment, pass through heating desorption, mercury analyzer is sent into by carrier gas, record the concentration of full hydrargyrum；When not by form transformation system, enter enrichment and conciliate in adsorption system after enrichment, heating desorption, mercury analyzer is sent into by carrier gas, now test for elemental mercury concentration, difference between the two is mercuric concentration, thus realizes full hydrargyrum and the monitoring of form hydrargyrum respectively.
3) hydrargyrum on-Line Monitor Device based on penetration theory provided by the utility model, elemental mercury from vapor is made to aoxidize generation bivalent mercury calibrating gas by employing low-temperature plasma generator, it is to avoid the problem that the solution replacing using mercuric salt solution evaporation generation bivalent mercury steam to be brought in prior art exists deviation to harm and the solution volatilization itself of operator's generation.
Accompanying drawing explanation
In order to be illustrated more clearly that this utility model detailed description of the invention or technical scheme of the prior art, the accompanying drawing used required in detailed description of the invention or description of the prior art will be briefly described below, apparently, accompanying drawing in describing below is embodiments more of the present utility model, for those of ordinary skill in the art, on the premise of not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the schematic diagram of a kind of hydrargyrum on-Line Monitor Device.
Description of reference numerals:
1-hydrargyrum calibration system；11-the first carrier gas device；The first-class gauge of 12-；13-the 5th effusion meter；14-the second carrier gas device；15-the 3rd effusion meter；16-element mercury generator (based on penetration theory)；17-second gauge；18-plasma (orifice) gas source apparatus；19-the 4th effusion meter；The gas pre-mixed room of 110-；111-bivalent mercury generator；112-high frequency and high voltage power supply generating means；2-mercury analyzer；Adsorption system is conciliate in the enrichment of 3-hydrargyrum；4-form transformation system；5-pretreatment system；6-sampling system；7-control system；8-data collecting system.
Detailed description of the invention
Below in conjunction with accompanying drawing, the technical solution of the utility model is clearly and completely described, it is clear that described embodiment is a part of embodiment of this utility model rather than whole embodiments.Based on the embodiment in this utility model, the every other embodiment that those of ordinary skill in the art are obtained under not making creative work premise, broadly fall into the scope of this utility model protection.
nullIn conjunction with Fig. 1，Hydrargyrum on-Line Monitor Device based on penetration theory provided by the utility model，Including in order to mercurous and mercuric gas (such as flue gas) is acquired、Pretreatment、Mercury shape converts、The hydrargyrum monitoring system that hydrargyrum enrichment and desorption and hydrargyrum are analyzed，The hydrargyrum calibration system 1 being connected with described hydrargyrum monitoring system，In order to periodically described hydrargyrum monitoring system is carried out systematic error demarcation，Described hydrargyrum calibration system 1 includes element mercury calibrating gas generation system，Described element mercury calibrating gas generation system includes the first carrier gas device 11 being sequentially connected with by pipeline and the element mercury generator 16 producing mercury gas，Also include bivalent mercury calibrating gas generation system，It includes the plasma (orifice) gas source apparatus 18 being sequentially connected with by pipeline、Gas pre-mixed room 110 and the bivalent mercury generator 111 of generation bivalent mercury gas，Described gas pre-mixed room 110 also mercurous gas outlet with described element mercury generator 16 is connected，In order to plasma source of the gas is mixed containing mercury gas with what element mercury generator 16 produced，Described bivalent mercury generator 111 is provided with high frequency and high voltage power supply generating means 112，In order to produce plasma, mercury gas is oxidized to bivalent mercury gas.
In above-mentioned hydrargyrum on-Line Monitor Device based on penetration theory, described hydrargyrum monitoring system includes sequentially connecting,
Sampling system 6, this sampling system 6 is in order to gather mercurous and mercuric gas.As used heated probe, heating-up temperature is 180 degree of-200 degree, it is ensured that flue gas, more than acid dew point, prevents smoke components from condensing and hydrargyrum adsorbs；The metal parts of smoke contacts uses Hastelloy, and other all parts use 316L rustless steel and are coated with specific coatings (zirconium oxide, PFA etc.), is used for reducing hydrargyrum and adsorbs the loss caused；Heated probe has blowback unit, is used for protecting the dust filter unit within probe, prevents plugged filter flying dust；
Pretreatment system 5, it is in order to carry out dedusting to mercurous and mercuric gas, as flue gas is filtered by filter element (porous sintered titanium) or filter membrane (material is PTFE Teflon) further；
Form transformation system 4, it is in order to be mercury gas by bivalent mercury gas reduction, such as pyrolysis furnace；
Adsorption system 3 is conciliate in hydrargyrum enrichment, and it is in order to enriched element hydrargyrum, and the element mercury heating desorption of enrichment is taken out of by carrier gas, as gold is enriched with；
Mercury analyzer 2, it in order to carry out quantitative analysis to element mercury, wherein said sampling system 6 the most respectively with described hydrargyrum calibration system produce hydrargyrum and bivalent mercury gas and detection object (such as chimney) be connected.
On the basis of above-mentioned embodiment, also include control system, described control system is respectively with hydrargyrum calibration system 1, sampling system 6, pretreatment system 5, form transformation system 4, adsorption system 3 is conciliate in hydrargyrum enrichment and mercury analyzer 2 is connected, in order to realize controlling, such as to corresponding system: control system can use flow-control module of the prior art to control flow, temperature control modules controls temperature, the folding etc. of electromagnetic valve control piper.
On the basis of above-mentioned embodiment, also including the data collecting system being connected with described control system, in order to the data in described control system are acquired and to be transmitted, it includes that data collecting instrument, data send and receiver module.
On the basis of above-mentioned embodiment, also include the second carrier gas device 14, in order to regulate the concentration containing mercury gas that element mercury generator 16 produces.
On the basis of above-mentioned embodiment, the mercurous gas outlet of described element mercury generator 16 is provided with mercurous gas export line, described gas pre-mixed room 110 is connected with described mercurous gas export line, in order to conveying in described gas pre-mixed room 110 containing mercury gas, it is achieved plasma source of the gas and the mixing containing mercury gas.
On the basis of above-mentioned embodiment, described second carrier gas device 14 is connected with described mercurous gas export line, along gas flow direction, described second carrier gas device 14 and the junction point of described mercurous gas export line are arranged at the front of described gas pre-mixed room 110 and described mercurous gas export line junction point.
On the basis of above-mentioned embodiment, described second carrier gas device 14 is connected with described mercurous gas export line, along gas flow direction, described second carrier gas device 14 and the junction point of described mercurous gas export line are arranged at the front of described gas pre-mixed room 110 and described mercurous gas export line junction point, and the rear of described element mercury generator 16.
On the basis of above-mentioned embodiment, described form transformation system 4 has also been arranged in parallel bypass gas conveyance conduit, conciliates in adsorption system 3 in order to directly gas out from pretreatment system 5 is entered hydrargyrum enrichment through it.
On the basis of above-mentioned embodiment, the two ends of described bypass gas conveyance conduit realize being connected with the pipeline passing in and out described form transformation system 4 by electromagnetic valve respectively.
On the basis of above-mentioned embodiment, described form transformation system 4 is pyrolysis oven.
On the basis of above-mentioned embodiment, described bivalent mercury generator 111 arranges the gas outlet Han bivalent mercury；Described mercurous gas outlet is connected with described sampling system 6 by pipeline respectively with described bivalent mercury gas outlet.
On the basis of above-mentioned embodiment, the mercurous gas outlet of described element mercury generator 16 is provided with mercurous gas export line, described gas pre-mixed room 110 is connected with described mercurous gas export line, in order to conveying in described gas pre-mixed room 110 containing mercury gas, it is achieved plasma source of the gas and the mixing containing mercury gas；
As selectable embodiment, described bivalent mercury generator 111 is low-temperature plasma generator, described low-temperature plasma generator uses dielectric barrier discharge to generate low temperature plasma, its ultimate principle is to insert a dielectric between two electrodes, stop between two electrodes, to occur that arc discharge can only make gas therebetween occur micro-filamentary current to puncture with it, thus produce glow discharge, this glow discharge makes interelectrode gas be adequately ionized, produce plasma, wherein, 220V alternating current power supply is passed through the boosting generation high-frequency high-voltage current output of high frequency booster by high frequency and high voltage power supply, and (general output voltage peak value is adjustable between 0-20KV, repetition rate is adjustable between 0-30kHZ).
As the embodiment improved, also include that the effusion meter of adjusting gas flow, described effusion meter are arranged on the pipeline that the first carrier gas device 11 is connected with described element mercury generator 16, first-class gauge 12；Or on the pipeline that is connected with described mercurous gas export line of described second carrier gas device 14, the i.e. the 3rd effusion meter 15；Or on the pipeline that is connected with described mercurous gas export line of described gas pre-mixed room 110, i.e. second gauge 17；Or on the pipeline that is connected with gas premixer 110 of plasma (orifice) gas source apparatus 18, the i.e. the 4th effusion meter 19；Or on mercurous gas export line, on the i.e. the 5th effusion meter 13, or the pipeline that is connected with described sampling system of described bivalent mercury gas outlet.
Further, the chamber outer wall in described gas pre-mixed room 110 can be glass or rustless steel, can be provided with to produce the stationary barrier of flow-disturbing in cavity.
As the embodiment improved, described gas pre-mixed room (10) realizes being connected by three-way valve with described mercurous gas export line, junction point along gas flow direction, described second carrier gas device (4) and described mercurous gas export line is arranged at the front of described three-way valve.
As selectable embodiment, described flow is calculated as mass flowmenter or volume flowmeter, in order to the most accurate, generally uses mass flowmenter.
Specifically, plasma (orifice) gas source apparatus can use O2、HCl、Cl2Or H2The gas cylinder of O, may be used without the generating means of these gases certainly.
As the embodiment improved, the carrier gas in the first carrier gas device and the second carrier gas device is noble gas, such as: N2, Ar etc..
As the embodiment improved, the gas in plasma (orifice) gas source apparatus is for can produce isoionic gas, such as: O2、HCl、Cl2Or H2O etc..
In conjunction with Fig. 1, system, hydrargyrum calibration system, it is achieved that the on-line monitoring of hydrargyrum is monitored by hydrargyrum, and realizing periodically described hydrargyrum monitoring system being carried out systematic error demarcation by hydrargyrum calibration system 1, hydrargyrum calibration system 1 is by by the noble gas in the first carrier gas device 11 (such as: N2, Ar etc.) enter in element mercury generator 16, taking away elemental mercury from vapor therein, the elemental mercury from vapor taken away is divided into two parts, and a part is as element mercury calibrating gas, another part enters in gas pre-mixed room 110, and from the gas in plasma (orifice) gas source apparatus 18 (such as: O2、HCl、Cl2Or H2O etc.) in gas pre-mixed room 110 after mix homogeneously, together enter in low-temperature plasma generator, elemental mercury from vapor therein is made to be completely converted into bivalent mercury steam by low-temperature plasma generator, by controlling flow during whole, the temperature of element mercury generator 16 and the relevant parameter (such as high frequency and high voltage power supply) of low-temperature plasma generator, element mercury calibrating gas and bivalent mercury calibrating gas have been obtained simultaneously, use same hydrargyrum source simultaneously, avoid the problem (such as: need the character in different hydrargyrum sources is carried out mensuration etc. respectively) of the inconsistent transmission that needs to carry out twice to trace to the source in the hydrargyrum source using different hydrargyrum sources to be brought, simplify operating procedure；Simultaneously also by form transformation system 4 two ends, bypass gas conveyance conduit is set, and the two ends of described bypass gas conveyance conduit realize being connected with the pipeline passing in and out described form transformation system 4 by electromagnetic valve respectively, this setting realizes mercurous and bivalent mercury gas by form transformation system 4 by controlling electromagnetic valve, or not by form transformation system 4, when by form transformation system 4, mercurous and in bivalent mercury gas bivalent mercury is converted into element mercury, after adsorption system enrichment 3 is conciliate in hydrargyrum enrichment, pass through heating desorption, mercury analyzer is sent into by carrier gas, record the concentration of full hydrargyrum；When not by form transformation system 4, enter enrichment and conciliate in adsorption system 3 after enrichment, heating desorption, mercury analyzer 2 is sent into by carrier gas, now test for elemental mercury concentration, difference between the two is mercuric concentration, thus realizes full hydrargyrum and the monitoring of form hydrargyrum respectively.
Obviously, above-described embodiment is only for clearly demonstrating example, and not restriction to embodiment.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here without also cannot all of embodiment be given exhaustive.And among the protection domain that the obvious change thus extended out or variation are created still in this utility model.
Claims (10)
1. a hydrargyrum on-Line Monitor Device based on penetration theory, including,
Hydrargyrum monitoring system, is connected with detection object；
Hydrargyrum calibration system (1), is connected with described hydrargyrum monitoring system, in order to described hydrargyrum monitoring system is carried out systematic error demarcation；
It is characterized in that:
nullDescribed hydrargyrum calibration system (1) includes element mercury calibrating gas generation system，Described element mercury calibrating gas generation system includes the first carrier gas device (11) being sequentially connected with by pipeline and the element mercury generator (16) producing mercury gas，Also include bivalent mercury calibrating gas generation system，It includes the plasma (orifice) gas source apparatus (18) being sequentially connected with by pipeline、Gas pre-mixed room (110) and the bivalent mercury generator (111) of generation bivalent mercury gas，The also outlet with described element mercury generator (16) of described gas pre-mixed room (110) is connected，In order to plasma source of the gas is mixed containing mercury gas with what element mercury generator (16) produced，Described bivalent mercury generator (111) is provided with high frequency and high voltage power supply generating means (112)，In order to produce plasma, mercury gas is oxidized to bivalent mercury gas.
Hydrargyrum on-Line Monitor Device the most according to claim 1, it is characterised in that:
Adsorption system (3) and mercury analyzer (2) are conciliate in sampling system (6) that described hydrargyrum monitoring system includes sequentially connecting, pretreatment system (5), form transformation system (4), hydrargyrum enrichment, hydrargyrum and bivalent mercury gas that wherein said sampling system (6) produces with described hydrargyrum calibration system (1) the most respectively and detect object and be connected.
Hydrargyrum on-Line Monitor Device the most according to claim 2, it is characterized in that: also include control system, described control system is respectively with hydrargyrum calibration system (1), sampling system (6), pretreatment system (5), form transformation system (4), adsorption system (3) is conciliate in hydrargyrum enrichment and mercury analyzer (2) is connected, in order to realize controlling to corresponding system.
Hydrargyrum on-Line Monitor Device the most according to claim 3, it is characterised in that: also include the data collecting system being connected with described control system, in order to the data in described control system are acquired and to be transmitted.
5. according to the hydrargyrum on-Line Monitor Device described in Claims 2 or 3, it is characterised in that:
Described hydrargyrum calibration system (1) also includes the second carrier gas device (14), in order to regulate the concentration containing mercury gas that element mercury generator (16) produces.
6. according to the hydrargyrum on-Line Monitor Device described in Claims 2 or 3, it is characterized in that: described form transformation system (4) has also been arranged in parallel bypass gas conveyance conduit, in order to gas out directly hydrargyrum enrichment will be entered through it and conciliate in adsorption system (3) from pretreatment system (5).
Hydrargyrum on-Line Monitor Device the most according to claim 5, it is characterized in that: the mercurous gas outlet of described element mercury generator (16) is provided with mercurous gas export line, described gas pre-mixed room (110) is connected with described mercurous gas export line, in order to conveying in described gas pre-mixed room (110) containing mercury gas, it is achieved plasma source of the gas and the mixing containing mercury gas.
Hydrargyrum on-Line Monitor Device the most according to claim 7, it is characterized in that: described second carrier gas device (14) is connected with described mercurous gas export line, junction point along gas flow direction, described second carrier gas device (14) and described mercurous gas export line is arranged at the front of described gas pre-mixed room (110) and described mercurous gas export line junction point.
Hydrargyrum on-Line Monitor Device the most according to claim 8, it is characterized in that: the mercurous gas outlet of described element mercury generator (16) is provided with mercurous gas export line, described gas pre-mixed room (110) is connected with described mercurous gas export line, in order to conveying in described gas pre-mixed room (110) containing mercury gas, it is achieved plasma source of the gas and the mixing containing mercury gas；
Described bivalent mercury generator (111) is low-temperature plasma generator.
Hydrargyrum on-Line Monitor Device the most according to claim 7, it is characterized in that: also include the effusion meter of adjusting gas flow, described effusion meter is arranged on the pipeline that the first carrier gas device (11) is connected with described element mercury generator (16), or on the pipeline that is connected with described mercurous gas export line of described second carrier gas device (14), or on the pipeline that is connected with described mercurous gas export line of described gas pre-mixed room (110), or on the pipeline that is connected with gas premixer (110) of plasma (orifice) gas source apparatus (18), or on mercurous gas export line, or on the pipeline that is connected with described sampling system (6) of the bivalent mercury gas outlet of described bivalent mercury generator (111).
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN116026649A (en) * | 2022-12-05 | 2023-04-28 | 华能重庆珞璜发电有限责任公司 | Online continuous monitoring system and method for total mercury concentration and form of fixed source flue gas |
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2016
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN116026649A (en) * | 2022-12-05 | 2023-04-28 | 华能重庆珞璜发电有限责任公司 | Online continuous monitoring system and method for total mercury concentration and form of fixed source flue gas |
| CN116026649B (en) * | 2022-12-05 | 2024-02-13 | 华能重庆珞璜发电有限责任公司 | Online continuous monitoring system and method for total mercury concentration and form of fixed source flue gas |
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