CN107305168A - Gaseous mercury catches mercury device - Google Patents
Gaseous mercury catches mercury device Download PDFInfo
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- CN107305168A CN107305168A CN201610258492.3A CN201610258492A CN107305168A CN 107305168 A CN107305168 A CN 107305168A CN 201610258492 A CN201610258492 A CN 201610258492A CN 107305168 A CN107305168 A CN 107305168A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/22—Devices for withdrawing samples in the gaseous state
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Abstract
The gaseous mercury of the present invention catches mercury device, the spun gold of body is arranged on including body and by limited support body, wherein the fusing point of limited support body higher than spun gold fusing point and limited support body is configured so that gaseous mercury can be contacted with spun gold, to enable the adsorptive gaseous mercury of spun gold.It can so control spun gold to deform and cause the possibility that density changes everywhere, it is ensured that the consistent in density everywhere of spun gold, thereby may be ensured that gaseous mercury catches absorption and releasability of the mercury device to mercury after using repeatedly, and then improve the access times for catching mercury device；Favorable reproducibility, analyze data is true and reliable, improves the confidence level of geologic interpretation；And small volume, it is easy to carry.
Description
Technical field
The present invention relates to mercury engineering device technique field is caught, particularly a kind of gaseous mercury is caught the structure of mercury device and changed
Enter.
Background technology
The acquisition technique applied to mercury in the earth bicycle pump and air of geochemical is mainly by mercury at present
(richness) collection is caught, the mercury after (richness) collection is caught and mercury is discharged to carry out instrument completely by way of chemistry or heating
Device is determined.In existing, carry out catching mercury usually using mercury device is caught.Catch and spun gold is provided with mercury device, by using
The adsorptive gaseous mercury of gold forms gold amalgam, and then high-temperature heating catches mercury device to discharge mercury, then carry out instrument
Device is determined.
Catching mercury device includes body and the spun gold being arranged in body.Be provided with the middle part of body relative to both sides compared with
Thin pipeline section, by spun gold group set formed by spun gold group plug be located in the thinner pipeline section of body.But, make
With catching several times after mercury device, spun gold group, which easily shrinks, rocks, and can reduce the absorption for catching mercury device to gaseous mercury
Ability, easily makes the analyze data of mercury produce uncertain factor.
Therefore, existing mercury device of catching how is solved in asking for being reduced using the adsorption capacity several times afterwards to gaseous mercury
Topic, is those skilled in the art's technical issues that need to address.
The content of the invention
The present invention provides a kind of gaseous mercury and catches mercury device, and spun gold is arranged in body by limited support body, reduces
The possibility to the adsorption capacity of gaseous mercury is influenceed because spun gold deformation retract is produced and rocked, mercury device is caught in raising
Access times.
The gaseous mercury of the present invention catches mercury device, including body and the gold that the body is arranged on by limited support body
Silk, wherein the fusing point of the limited support body is configured to make higher than the fusing point and the limited support body of the spun gold
Obtaining the gaseous mercury can fully contact with the spun gold, to enable the spun gold to adsorb the gaseous mercury.
In one embodiment, the limited support body includes multiple gold higher than the fusing point of the spun gold by fusing point
Category silk sets up the wire netting formed and provided with gap, wherein wire netting edge is supported perpendicular to the axial direction of the body
If being fixed in the body, the spun gold is fixed on the wire netting.
In one embodiment, multiple wires interlock along at least two directions and are programmed to the metal
Net, and the wire netting outside provided with can abut to be fixed on the body with the tube body wall of the body
In quoit.
In one embodiment, multiple spun golds are provided with, wherein each spun gold is wrapped in the different metals
On silk, and do not twined on the outermost quoit of the wire netting and set the spun gold.
In one embodiment, each spun gold is set up in the wire netting with the wire compartment, and
Each spun gold is separated with the outermost quoit of the wire netting.
In one embodiment, multiple spun golds are provided with, multiple spun golds are programmed to spun gold net in length and breadth,
The spun gold net is fixed on the side of the wire netting.
In one embodiment, there are multiple wire nettings along the axially arranged of the body, wherein adjacent two
Filled with the spun gold group being made up of the spun gold between individual wire netting.
In one embodiment, there are multiple wire nettings along the axially arranged of the body, wherein each gold
Category is provided with the spun gold on the net, and the gap of the wire netting positioned at the upstream of the body is more than positioned at described
The gap of the wire netting in the downstream of body.
In one embodiment, the wire is tungsten filament, and the diameter of tungsten silk screen set up of the tungsten filament and institute
State is used to set the internal diameter of the pipeline section of the tungsten silk screen identical in body.
In one embodiment, the both sides of the body are arranged with the plastics of the inside for sealing the body
Seal pipe.
Relative to prior art, gaseous mercury of the invention is caught mercury device including body and is arranged on spacing in body
Supporter, spun gold is arranged on limited support body and the fusing point of limited support body is higher than the fusing point of spun gold.So
Spun gold can be controlled to deform and cause the possibility that density changes everywhere, it is ensured that the consistent in density everywhere of spun gold
(state before catching mercury device with unused gaseous mercury is roughly the same), thereby may be ensured that gaseous mercury catches mercury dress
The absorption after using repeatedly to mercury and releasability are put, and then improves the access times for catching mercury device；Reappearance
Good, analyze data is true and reliable, improves the confidence level of geologic interpretation；And small volume, it is easy to carry.
Brief description of the drawings
The invention will be described in more detail below based on embodiments and refering to the accompanying drawings.
Fig. 1 is that the gaseous mercury of the present invention catches the structural representation of mercury device.
Fig. 2 is the first embodiment of the spun gold setting of the present invention.
Fig. 3 is second of embodiment of the spun gold setting of the present invention.
Fig. 4 is the third embodiment of the spun gold setting of the present invention.
Fig. 5 is Fig. 1 partial schematic diagram.
Fig. 6 is saturation mercury vapour working curve table of the invention.
In the accompanying drawings, identical part uses identical reference.Accompanying drawing is not drawn according to actual ratio.
Embodiment
Below in conjunction with accompanying drawing, the invention will be further described.
As shown in figure 1, the gaseous mercury of the present invention catches mercury device including body 3 and is arranged in body 3 and passes through
The spun gold 2 of limited support body support.Wherein, after limited support body is provided with, gaseous mercury still is able to and spun gold
2 contacts, to enable spun gold 2 to adsorb gaseous mercury, so as to complete the measurement to gaseous mercury.And
The fusing point of limited support body is higher than the fusing point of spun gold 2.So, in elevated temperature desorption mercury, under hot environment
Spun gold 2 after softening, still can be spacing by limited support body and support spun gold 2, reduce spun gold 2 and occur
The possibility of displacement is deformed, reducing portion in body 3 does not have the possibility of spun gold 2, it is ensured that spun gold 2
Consistent in density (state before catching mercury device with unused gaseous mercury is roughly the same), thereby may be ensured that everywhere
Gaseous mercury catches absorption and releasability of the mercury device to mercury after using repeatedly, and then improves the use for catching mercury device
Number of times.
As shown in Fig. 2 limited support body includes the wire netting 1 set up by multiple wires.Setting up gold
Belong to net 1 when, wire netting 1 can be substantially intersected with each other by multiple wires along at least two directions and be programmed to,
Set up as multiple wires interlock along both direction in length and breadth.Two adjacent wires after wire netting 1 has been set up
Between leave gap, i.e., certain gap is left between adjacent two wires in the same direction, so that gaseous state
Mercury can touch spun gold 2 by wire, so as to realize absorption of the spun gold 2 to gaseous mercury.
When wire netting 1 is placed in body 3, wire netting 1 is along being approximately perpendicular to the axially arranged of body 3
In body 3, i.e., the plane of wire netting 1 is substantially vertical with the axis of body 3.When setting wire netting 1,
Directly wire netting 1 is pushed away and set into body 3, the outside of wire netting 1 is supported with body 3 to be set and be fixed on body 3
In.Set up and formed by wire due to wire netting 1, therefore wire netting 1 has certain elasticity, and inciting somebody to action
When wire netting 1 is placed in body 3, the frictional force between wire and body 3 is larger, therefore directly by gold
Category net 1 can be achieved wire netting 1 after being placed in body 3 and be fixed in body 3, in adsorptive gaseous mercury,
Wire netting 1 can not also be produced and rocked, and stationary phase is to firm.Set through the above way, it is simple in construction, can
To use the metal that the cost of material is low, and the fixation to spun gold 2 can be realized, reduce spun gold 2 and using
The possibility of contraction distortion in journey.
Further, the outside of wire netting 1 can set at least one circle to enclose the quoit 11 set by wire,
Wire netting 1 is contacted with the tube body wall of body 3 by quoit 11 and is fixed in body 3, to improve metal
Exposure level between net 1 and body 3, improves the fix tightly solidity of wire netting 1.Wire can be tungsten filament
Or burning-point, higher than other wires of gold, wire netting 1 is tungsten silk screen.The ductility of tungsten filament is good, and cost is low, and
And fusing point is higher than 1000 DEG C (gold amalgam substantially just can be desorbed out below 900 DEG C), reduces tungsten filament and melt
Change the possibility of deformation, it is ensured that spun gold 2 is adsorbed and release performance to gaseous mercury, it is ensured that data analysis accuracy,
Improve the access times that gaseous mercury catches mercury device.
Spun gold 2 can be fixed on wire netting 1 in many ways.In one embodiment, as shown in Fig. 2
Multiple spun golds 2 are provided with wire netting 1.When spun gold 2 is set, first each spun gold 2 can be wrapped in different
On wire, wire is then programmed to wire netting 1 again.After wire netting 1 and spun gold 2 has been set up, phase
The interval of two adjacent spun golds 2 is substantially the same, to improve the adsorption capacity to gaseous mercury.Twined by spun gold 2
Gap can be not provided with snugly into each other after on the metal filament, between the spun gold circle on same wire (in figure
It is not shown), to increase the set amount of spun gold 2.Set through the above way, the suction to gaseous mercury can be improved
Attached degree, improves monitoring accuracy, and can reduce the possibility that spun gold 2 deforms, and mercury dress is caught in raising
The access times put.Certainly, spun gold 2 can also leave certain gap (as shown in Figure 2) between enclosing, with
Mitigate the bearing capacity of wire.
Further, spun gold 2 can not be wound on the outermost quoit 11 of wire netting 1, so incited somebody to action
Wire netting 1 can be contacted when being arranged in body 3 by wire with the wall of body 3, reduce spun gold 2 and body
The possibility of 3 walls contact, so as to reduce spun gold 2 to soften and be reduced with the friction of the wall of body 3 so that causing metal
The possibility that net 1 is rocked or even come off.
The diameter of wire can be more than the diameter of spun gold 2, to enable wire preferably to carry spun gold 2,
Reduce the possibility deformed under the weight of spun gold 2.In one example, the diameter of wire about exists
Between 0.6-1mm, can preferably carry the weight of spun gold 2 in the case where mitigating the weight of wire.
The internal diameter everywhere of body 3, to facilitate processing body 3, can reduce processing cost with all same.Body 3
Material can be quartz ampoule, with being capable of high temperature resistant (such as 1000 DEG C).And it can be set along the axial direction of body 3
Multiple wire nettings 1 (being more than four) for being wound with spun gold 2 are put, to improve the adsorption capacity to gaseous mercury,
And can reduce makes the gap between spun gold 2 become big deficiency because being provided with wire netting 1；Adsorption rate is even
More than 98% is can reach, experiment accuracy is improved, favorable reproducibility, analyze data is true and reliable, improves geology
The confidence level of explanation.Gap positioned at the wire netting 1 of the upstream of body 3 (position that gaseous mercury is first passed through) is less than
Positioned at the gap of the wire netting 1 of the downstream of body 3 (after gaseous mercury by position), mercury device is caught to mitigate
Weight, reduces cost, easy to carry and transport.
In addition, spun gold 2 can also be provided between two adjacent wire nettings 1, it is solid by wire netting 1
Deposit silk 2, further to improve the absorption property to gaseous mercury, improves the precision of analysis to gaseous mercury,
To provide reliable data analysis in terms of oil and gas geochemical exploration, environmental survey.
In addition, can be arranged with the plastic seal pipe for the inside of sealed tube body 3 in the both sides of body 3.
Plastic seal pipe can be taken down when catching mercury device using gaseous mercury, can when catching mercury device without using gaseous mercury
So that plastic seal pipe sleeve is located on body 3, the contaminated possibility of mercury device is caught to reduce.
In the second embodiment, as shown in figure 3, spun gold 2 is set up in wire netting 1, and spun gold 2 with
Wire is arranged at intervals.In one example, a spun gold 2 is transversely set between middle each two wire,
Along along longitudinal direction and be not also provided with a spun gold 2 between two wires.It is arranged such, it is simple in construction, set convenient,
It is time saving and energy saving.Certainly, now in the outside of wire netting 1 one can also be set to enclose quoit 11, quoit 11
Separated with spun gold 2 so that wire is contacted with the wall of body 3, improve steadiness.In this embodiment other
Setting can be with same as the previously described embodiments, and here is omitted.
In the 3rd embodiment, as shown in figure 4, multiple spun golds 2 are programmed into spun gold along both direction in length and breadth
Net.Then spun gold net is fixed with wire netting 1 again.For example one can be set by spun gold net with spaced apart
The tie point being fixedly connected with wire netting 1.It is arranged such, spun gold 2 can be improved on the cross section of body 3
Density, improve the degree of absorption of the single net of spun gold 2 to gaseous mercury.Other settings in this embodiment can be with
Same as the previously described embodiments, here is omitted.
In other examples, as shown in Figure 1 and Figure 5, spun gold 2 is not provided with wire netting 1, only in phase
Spun gold 2 is set between two adjacent wire nettings 1.It is arranged such, the gap of wire netting 1 can be caused to set
Ratio above-described embodiment wire netting 1 gap it is larger, reduce influence of the wire netting 1 to spun gold 2, Er Qiejie
Structure is simple, sets quick, save trouble and labor.Other settings in this embodiment can with same as the previously described embodiments,
Here is omitted.The diameter H1 of wire can be between 0.8-1mm.Two adjacent wire nettings 1 it
Between gap H2 can between 2-4mm, with improve spun gold group steadiness.
In a specific experiment, using the gaseous mercury mercury-traping tube to being entered at identical temperature with micro syringe
80ul mercury Standard Gases have carried out the measure of adsorption rate.In 23 DEG C of room temperature, the concentration of saturation mercury vapour is
16.87ng/ml, the content of 80ul saturations mercury vapour theoretical value mercury is 1.3496ng at 23 DEG C.From the data of detection
Observation, gaseous mercury catches the rate of recovery of mercury device more than 98%, and rear absorption catches the result of mercury device close to blank value,
This shows to catch that mercury device Adsorption of Mercury is more complete, and the reappearance of absorption is also relatively good that (such as table 1, table 1 is
The saturation mercury vapour rate of recovery is tested, and wherein ng represents nanogram.
| Guan Hao | 6 | 7 | 8 | 9 | 10 |
| Sample size (μ l) | After adsorb | 80 | 80 | 80 | 80 |
| Peak value | 0.0067 | 0.0698 | 0.0768 | 0.0690 | 0.0708 |
| ng | 0.1289 | 1.3502 | 1.4865 | 1.3346 | 1.3696 |
| The rate of recovery (%) | 100.04 | 110.14 | 98.89 | 101.48 |
In another experiment, to be injected separately into catching mercury device in different gaseous mercuries 0 μ l, 20 μ l, 40,
60 μ l, 80 μ l, the gaseous mercury of 100 μ l saturation mercury vapour are caught mercury device and detected, have drawn different mercury
The value of content, as a result (table 2 is saturation mercury vapour working curve table, the wherein He of table 2 as shown in table 2, Fig. 6
That the ng in Fig. 6 represents that the abscissa in nanogram, Fig. 6 represents is volume μ l for injecting saturation mercury vapour).
| Guan Hao | 0 | 1 | 2 | 3 | 4 | 5 |
| Sample size (μ l) | 0 | 20 | 40 | 60 | 80 | 100 |
| Peak value | 0.00000 | 0.01869 | 0.03425 | 0.05368 | 0.06900 | 0.08680 |
| ng | 0.0000 | 0.3598 | 0.6604 | 1.0369 | 1.3346 | 1.6816 |
The gaseous mercury of the present invention catches the phenomenon that mercury device has efficiently controlled the sagging deflections of spun gold 2, it is ensured that ventilative
Uniformity.The design of multilayer adsorption net, it is ensured that more complete to the mercury absorption in gaseous state.To machined 50
The mercury device of catching of branch particular production has carried out the experiment of random inspection adsorptivity, and adsorption rate passes through all more than 98%
To the analysis excessively to the regional 320 earth bicycle pumps in Hebei Bazhou, the mercury-traping tube advantages of good adsorption effect, reappearance is consistent,
Detection results are highly stable, and analyze data is true and reliable, improve the confidence level of geologic interpretation.
Although by reference to preferred embodiment, invention has been described, is not departing from the scope of the present invention
In the case of, various improvement can be carried out to it and part therein can be replaced with equivalent.Especially, only
Otherwise there is structural hazard, the every technical characteristic being previously mentioned in each embodiment can have been combined in any way
Come.The invention is not limited in specific embodiment disclosed herein, but including falling within the scope of the appended claims
All technical schemes.
Claims (10)
1. a kind of gaseous mercury catches mercury device, including body and the gold that the body is arranged on by limited support body
Silk, wherein the fusing point of the limited support body is configured to make higher than the fusing point and the limited support body of the spun gold
Obtaining the gaseous mercury can contact with the spun gold, to enable the spun gold to adsorb the gaseous mercury.
2. gaseous mercury according to claim 1 catches mercury device, it is characterised in that the limited support body
Including setting up the wire netting formed and provided with gap higher than multiple wires of the fusing point of the spun gold by fusing point, its
Described in wire netting set and be fixed in the body along being supported perpendicular to the axial direction of the body, the spun gold is fixed on
On the wire netting.
3. gaseous mercury according to claim 2 catches mercury device, it is characterised in that multiple wires
Interlock along at least two directions and be programmed to the wire netting, and the wire netting outside provided with can be with institute
State quoit of the tube body wall abutting of body to be fixed in the body.
4. gaseous mercury according to claim 2 catches mercury device, it is characterised in that be provided with multiple described
Spun gold, wherein each spun gold is wrapped on the different wires, and the outermost quoit of the wire netting
On do not twine and set the spun gold.
5. gaseous mercury according to claim 2 catches mercury device, it is characterised in that each spun gold and institute
Wire compartment is stated to set up in the wire netting, and the outermost gold of each spun gold and the wire netting
Category circle separation.
6. gaseous mercury according to claim 2 catches mercury device, it is characterised in that be provided with multiple described
Spun gold, multiple spun golds are programmed to spun gold net in length and breadth, and the spun gold net is fixed on the side of the wire netting.
7. gaseous mercury according to claim 2 catches mercury device, it is characterised in that along the axle of the body
To multiple wire nettings are provided with, wherein being filled with what is be made up of the spun gold between two adjacent wire nettings
Spun gold group.
8. gaseous mercury according to claim 2 catches mercury device, it is characterised in that along the axle of the body
To multiple wire nettings are provided with, wherein being provided with the spun gold on each wire netting, and it is located at described
The gap of the wire netting of the upstream of body is more than the gap of the wire netting positioned at the downstream of the body.
9. gaseous mercury according to claim 2 catches mercury device, it is characterised in that the wire is tungsten
Silk, and the diameter of tungsten silk screen set up of the tungsten filament and the pipeline section that is used to set the tungsten silk screen in the body
Internal diameter is identical.
10. gaseous mercury according to claim 2 catches mercury device, it is characterised in that the both sides of the body
It is arranged with the plastic seal pipe of the inside for sealing the body.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610258492.3A CN107305168B (en) | 2016-04-22 | 2016-04-22 | Gaseous mercury catches mercury device |
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| CN201610258492.3A CN107305168B (en) | 2016-04-22 | 2016-04-22 | Gaseous mercury catches mercury device |
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| CN107305168B CN107305168B (en) | 2020-05-22 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108414297A (en) * | 2018-05-03 | 2018-08-17 | 大连理工大学 | A kind of collection device of Gaseous Detonation method nano materials |
| CN110864946A (en) * | 2019-11-13 | 2020-03-06 | 清华大学 | Device and method for measuring mercury content in flue gas |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1044533A (en) * | 1989-01-26 | 1990-08-08 | 甘肃有色金属地质研究所 | A kind of method for making of catching mercury demercuration device |
| CN203572711U (en) * | 2013-11-28 | 2014-04-30 | 北京雪迪龙科技股份有限公司 | Hg enriching device and Hg monitoring system |
| CN204128855U (en) * | 2014-09-17 | 2015-01-28 | 力合科技（湖南）股份有限公司 | A kind of capturing device and trapping system |
| CN104749018A (en) * | 2015-04-15 | 2015-07-01 | 武汉上谱分析科技有限责任公司 | On-line mercury removing device for laser corrosion signal |
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2016
- 2016-04-22 CN CN201610258492.3A patent/CN107305168B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1044533A (en) * | 1989-01-26 | 1990-08-08 | 甘肃有色金属地质研究所 | A kind of method for making of catching mercury demercuration device |
| CN203572711U (en) * | 2013-11-28 | 2014-04-30 | 北京雪迪龙科技股份有限公司 | Hg enriching device and Hg monitoring system |
| CN204128855U (en) * | 2014-09-17 | 2015-01-28 | 力合科技（湖南）股份有限公司 | A kind of capturing device and trapping system |
| CN104749018A (en) * | 2015-04-15 | 2015-07-01 | 武汉上谱分析科技有限责任公司 | On-line mercury removing device for laser corrosion signal |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108414297A (en) * | 2018-05-03 | 2018-08-17 | 大连理工大学 | A kind of collection device of Gaseous Detonation method nano materials |
| CN110864946A (en) * | 2019-11-13 | 2020-03-06 | 清华大学 | Device and method for measuring mercury content in flue gas |
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| Publication number | Publication date |
|---|---|
| CN107305168B (en) | 2020-05-22 |
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