CN204514672U - A kind of passive sampling apparatus of air reactive gaseous mercury - Google Patents

A kind of passive sampling apparatus of air reactive gaseous mercury Download PDF

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Publication number
CN204514672U
CN204514672U CN201520046372.8U CN201520046372U CN204514672U CN 204514672 U CN204514672 U CN 204514672U CN 201520046372 U CN201520046372 U CN 201520046372U CN 204514672 U CN204514672 U CN 204514672U
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China
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tube
rear end
trap
pipe
trap tube
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CN201520046372.8U
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Chinese (zh)
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童银栋
王学军
张巍
刘宪华
鲁逸人
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Tianjin University
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Tianjin University
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Abstract

The utility model provides a kind of passive sampling apparatus of air reactive gaseous mercury, weathervane is connected with rear end draft tube with front end airflow pipe respectively by fixed mount, front end airflow pipe is connected by draft tube connector with rear end draft tube, the porch of front end airflow pipe is provided with Baltimore groove, rear end draft tube adopts the cylindrical structural of L shape hollow, the vertical port of rear end draft tube is connected with reactive gaseous mercury trap tube upper end by rotation axis, reactive gaseous mercury trap tube comprises trap tube outer tube, pipe in trap tube, fixed mount and rain shield, trap tube outer tube is connected with rotation axis, trap tube outer tube is connected with managing in trap tube by inner and outer pipes bonding point, fixed mount is provided with outside trap tube outer tube, rain shield is arranged on trap tube outer tube lower end, in the inner side of trap tube outer tube and trap tube, the outside of pipe adopts frosted structure.Do not rely on extraneous power supply, using wind-force as power resources, on duty without the need to people after being placed on suitable place, the pollutant levels situation in long time scale can be monitored.

Description

A kind of passive sampling apparatus of air reactive gaseous mercury
Technical field
The utility model relates to atmospheric surveillance technical field, more particularly, relates to a kind of passive sampling apparatus of air reactive gaseous mercury.
Background technology
Mercury is one of the heavy metal and pollutant that toxicity is the strongest, is classified as priority pollutants by mechanisms such as the Chinese government and United Nations Environment Programme (UNEP), the World Health Organization (WHO), European Union and Environmental Protection Agencies.Due to special physicochemical property, mercury is the unique main heavy metal element be present in gas phase in air, and becomes global contaminant by Atmospheric Transportation diffusion.As the main passage of mercury transmission in environment, air plays an important role in the biogeochemical cycle of global mercury.Mercury existence form in an atmosphere mainly contains element morphology mercury (GEM, zero-valent state account for air state total mercury more than 90%), and reactive gaseous mercury (RGM, divalent state) is (as HgCl 2, HgBr 2, HgO, Hg (OH) 2deng) and particle mercury (PHg, divalent state is main).Although reactive gaseous mercury and the particle mercury ratio shared by air total mercury is less, but because reactive gaseous mercury has higher dry deposition and wet deposition speed, therefore be deposited to the mercury on earth's surface based on reactive gaseous mercury, thus also play an important role in the Global Biogeochemical Cycle of mercury.To some degree, atmospheric elements mercury determines the long-distance migration of mercury in physical environment to a great extent with the mutual conversion between other form mercury (reactive gaseous mercury and particle mercury) and returns process.Therefore, the concentration of monitoring reactive gaseous mercury in air air-polluting is administered and understand mercury on a large scale further return feature significant.
Conventional air reactive gaseous mercury initiatively sample mode relies on air pump to gather a large amount of gas at short notice, and measures after reactive gaseous mercury trapping wherein with adsorbing mediums such as activated charcoals.Traditional active sample mode relies on electric power supply as power resources, is not suitable for the sampling monitoring of remote districts; What monitoring site covered is limited in scope, and is not suitable for laying of sampling on a large scale; Require higher to sample collector, need the long-term operation on duty of researchist.Passive sampling apparatus can utilize natural wind or diffusion mechanism, monitoring atmospheric environment in place a period of time after, make the target contaminant in air be trapped on suitable adsorbing medium, when target contaminant collect a certain amount of after carry out analysiss mensuration.
Utility model content
The utility model overcomes deficiency of the prior art, traditional active sample mode relies on electric power supply as power resources, be not suitable for the sampling monitoring of remote districts, what monitoring site covered is limited in scope, be not suitable for laying of sampling on a large scale, provide a kind of passive sampling apparatus of air reactive gaseous mercury, the utility model does not rely on extraneous power supply, using wind-force as power resources, on duty without the need to people after being placed on suitable place, the pollutant levels situation in long time scale can be monitored, compared with initiatively sampling, passive sampling technology has greater flexibility in the laying of sampled point, large-scale sampling point laying and monitoring can be carried out, relevant cost is also lower.
The purpose of this utility model is achieved by following technical proposals.
A kind of passive sampling apparatus of air reactive gaseous mercury, comprise weathervane, front end airflow pipe, draft tube connector, rear end draft tube, rotation axis and reactive gaseous mercury trap tube, described weathervane is connected with described front end airflow pipe and described rear end draft tube respectively by fixed mount, described front end airflow pipe and described rear end draft tube are connected by described draft tube connector, the porch of described front end airflow pipe is provided with Baltimore groove, described rear end draft tube adopts the cylindrical structural of L shape hollow, the vertical port of described rear end draft tube is connected with described reactive gaseous mercury trap tube upper end by described rotation axis, described reactive gaseous mercury trap tube comprises trap tube outer tube, pipe in trap tube, fixed mount and rain shield, described trap tube outer tube is connected with described rotation axis, described trap tube outer tube is connected with managing in described trap tube by inner and outer pipes bonding point, and manage coaxial setting in trap tube outer tube and trap tube, be provided with described fixed mount uniformly outside described trap tube outer tube, described rain shield is arranged on described trap tube outer tube lower end, and described rain shield is provided with through hole, and in the inner side of described trap tube outer tube and described trap tube, the outside of pipe adopts frosted structure.
Described weathervane comprises arrow head, rocket body and arrow tail, described arrow head adopts triangular structure, the height of described arrow head is 10-30mm, described rocket body adopts rectangular configuration, the length of described rocket body is 150-250mm, the width of described rocket body is 15-250mm, and described arrow tail adopts trapezium structure, and the height of described arrow tail is 20-40mm.
The height of described arrow head is 20mm, and the length of described rocket body is 200mm, and the width of described rocket body is 20mm, and the height of described arrow tail is 30mm.
Described fixed mount adopts stainless steel rectangular structure, and the height of described fixed mount is 5-25mm.
The height of described fixed mount is 15mm.
Described front end airflow pipe adopts the cylindrical structural of hollow, the length of described front end airflow pipe is 40-60mm, the internal diameter of described front end airflow pipe is 10-30mm, the pipe thickness of described front end airflow pipe is 1-3mm, the horizontal length of described Baltimore groove is 15-35mm, the height of described Baltimore groove is 5-25mm, the afterbody of described front end airflow pipe is provided with the first external thread, described draft tube connector comprises connector front end, glass sand plate and connector rear end, described connector front end adopts the cylindrical structural of hollow, the length of described connector front end is 15-25mm, the internal diameter of described connector front end is 10-30mm, the inner side of described connector front end is provided with the first internal thread, described connector front end is connected with described front end airflow pipe with described first external thread by described first internal thread, described glass sand plate employing diameter is the glass particle at high temperature bonding one-tenth shim-like of 0.05-0.35mm, the thickness of described glass sand plate is 3-8mm, the diameter of described glass sand plate is 10-30mm, described glass sand plate is embedded in the latter half of of described draft tube connector, described connector rear end adopts the cylindrical structural of hollow, the length of described connector rear end is 15-25mm, the internal diameter of described connector rear end is 10-30mm, the inner side of described connector rear end is provided with the second internal thread, the horizontal port arranged outside of described rear end draft tube has the second external thread, described connector rear end is connected with described rear end draft tube with described second external thread by described second internal thread, the vertical port arranged outside of described rear end draft tube has the 3rd external thread, the length of described rear end draft tube horizontal component is 40-60mm, described rear end draft tube vertical component length is 50-70mm, the internal diameter of described rear end draft tube is 15-25mm, the pipe thickness of described rear end draft tube is 1-3mm.
Described glass sand plate by the plastic interface of tygon material be fixed on described draft tube connector latter half of on.Described glass sand plate can be separated the particle in air, makes the gas phase after being separated enter reactive gaseous mercury trap tube.Described glass sand plate can be separated the Atmospheric particulates of different-grain diameter, such as overall suspended pellet (TSP), PM 10(suspended particulate substance that equivalent aerodynamic mass median footpath equals 10 μm), PM 2.5(suspended particulate substance that equivalent aerodynamic mass median footpath equals 2.5 μm) etc.
The length of described front end airflow pipe is 50mm, the internal diameter of described front end airflow pipe is 20mm, the pipe thickness of described front end airflow pipe is 2mm, the horizontal length of described Baltimore groove is 25mm, the height of described Baltimore groove is 15mm, the length of described connector front end is 20mm, the internal diameter of described connector front end is 20mm, described glass sand plate employing diameter is the glass particle at high temperature bonding one-tenth shim-like of 0.2mm, the thickness of described glass sand plate is 5mm, the diameter of described glass sand plate is 20mm, the length of described connector rear end is 20mm, the internal diameter of described connector rear end is 20mm, the length of described rear end draft tube horizontal component is 50mm, described rear end draft tube vertical component length is 60mm, the internal diameter of described rear end draft tube is 20mm, the pipe thickness of described rear end draft tube is 2mm.
Described rotation axis adopts the cylindrical structural of hollow, described rotation axis top inner side is provided with the 3rd internal thread, described rotation axis is connected with described rear end draft tube by described 3rd internal thread and described 3rd external thread, described rotation axis lower end outside is provided with the 4th external thread, the internal diameter of described rotation axis is 15-25mm, and the external diameter of described rotation axis is 20-30mm.
The internal diameter of described rotation axis is 20mm, and the external diameter of described rotation axis is 25mm.
Described trap tube outer tube adopts the cylindrical structural of hollow, described trap tube outer tube top inner side is provided with the 4th internal thread, described trap tube outer tube is connected with described rotation axis by described 4th internal thread and described 4th external thread, the length of described trap tube outer tube is 150-250mm, the internal diameter of described trap tube outer tube is 20-30mm, in described trap tube, pipe adopts cylindrical structural, in described trap tube, the length of pipe is 150-200mm, in described trap tube, the external diameter of pipe is 15-25mm, distance in described trap tube between pipe and described trap tube outer tube is 1.5-3.5mm.
The length of described trap tube outer tube is 200mm, and the internal diameter of described trap tube outer tube is 25mm, and in described trap tube, the length of pipe is 2.5mm.
The beneficial effects of the utility model are: design and the combination of the utility model each several part apply the power resources of natural wind-force as sampling thief dexterously, to utilize in trap tube potassium chloride to the adsorbability of reactive gaseous mercury in gas phase, employing weathervane is located, the air of any horizontal direction is utilized to flow, air reactive gaseous mercury after making separating granular is adsorbed on trap tube, round-the-clockly can be positioned over field and carry out sample collection, the utility model with the average daily collection capacity of reactive gaseous mercury for data representation form, the volume of air gathered is calculated according to weather data, thus according to the concentration level of reactive gaseous mercury in average daily collection capacity data computing environment air.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the structural representation of draft tube connector in the utility model;
Fig. 3 is the structural representation of reactive gaseous mercury trap tube in the utility model.
In figure: 1 is weathervane, 2 is fixed mount, and 3 is front end airflow pipe, 4 is Baltimore groove, and 5 is draft tube connector, and 6 is connector front end, 7 is glass sand plate, and 8 is connector rear end, and 9 is rear end draft tube, 10 is rotation axis, and 11 is reactive gaseous mercury trap tube, and 12 is inner and outer pipes bonding point, 13 is trap tube outer tube, 14 is pipe in trap tube, and 15 is fixed mount, and 16 is rain shield.
Embodiment
Below by specific embodiment, the technical solution of the utility model is further described.
As shown in Figure 1 to Figure 3, in figure: 1 is weathervane, and 2 is fixed mount, 3 is front end airflow pipe, and 4 is Baltimore groove, and 5 is draft tube connector, 6 is connector front end, and 7 is glass sand plate, and 8 is connector rear end, 9 is rear end draft tube, and 10 is rotation axis, and 11 is reactive gaseous mercury trap tube, 12 is inner and outer pipes bonding point, and 13 is trap tube outer tube, and 14 is pipe in trap tube, 15 is fixed mount, and 16 is rain shield.
A kind of passive sampling apparatus of air reactive gaseous mercury, comprise weathervane, front end airflow pipe, draft tube connector, rear end draft tube, rotation axis and reactive gaseous mercury trap tube, weathervane is connected with front end airflow pipe and rear end draft tube respectively by fixed mount, front end airflow pipe and rear end draft tube are connected by draft tube connector, the porch of front end airflow pipe is provided with Baltimore groove, rear end draft tube adopts the cylindrical structural of L shape hollow, the vertical port of rear end draft tube is connected with reactive gaseous mercury trap tube upper end by rotation axis, reactive gaseous mercury trap tube comprises trap tube outer tube, pipe in trap tube, fixed mount and rain shield, trap tube outer tube is connected with rotation axis, trap tube outer tube is connected with managing in trap tube by inner and outer pipes bonding point, and manage coaxial setting in trap tube outer tube and trap tube, fixed mount is provided with uniformly outside trap tube outer tube, rain shield is arranged on trap tube outer tube lower end, described rain shield is provided with through hole, to guarantee the top-down flowing of air and to avoid the overflow of below rainwater, in the inner side of trap tube outer tube and trap tube, the outside of pipe adopts frosted structure.
Weathervane comprises arrow head, rocket body and arrow tail, and arrow head adopts triangular structure, and the height of arrow head is 10-30mm, rocket body adopts rectangular configuration, and the length of rocket body is 150-250mm, and the width of rocket body is 15-250mm, arrow tail adopts trapezium structure, and the height of arrow tail is 20-40mm.
The height of arrow head is 20mm, and the length of rocket body is 200mm, and the width of rocket body is 20mm, and the height of arrow tail is 30mm.
Fixed mount adopts stainless steel rectangular structure, and the height of fixed mount is 5-25mm.
The height of fixed mount is 15mm.
Front end airflow pipe adopts the cylindrical structural of hollow, the length of front end airflow pipe is 40-60mm, the internal diameter of front end airflow pipe is 10-30mm, the pipe thickness of front end airflow pipe is 1-3mm, the horizontal length of Baltimore groove is 15-35mm, the height of Baltimore groove is 5-25mm, the afterbody of front end airflow pipe is provided with the first external thread, draft tube connector comprises connector front end, glass sand plate and connector rear end, connector front end adopts the cylindrical structural of hollow, the length of connector front end is 15-25mm, the internal diameter of connector front end is 10-30mm, the inner side of connector front end is provided with the first internal thread, connector front end is connected with front end airflow pipe with the first external thread by the first internal thread, glass sand plate employing diameter is the glass particle at high temperature bonding one-tenth shim-like of 0.05-0.35mm, the thickness of glass sand plate is 3-8mm, the diameter of glass sand plate is 10-30mm, glass sand plate is embedded in the latter half of of draft tube connector, connector rear end adopts the cylindrical structural of hollow, the length of connector rear end is 15-25mm, the internal diameter of connector rear end is 10-30mm, the inner side of connector rear end is provided with the second internal thread, the horizontal port arranged outside of rear end draft tube has the second external thread, connector rear end is connected with rear end draft tube with the second external thread by the second internal thread, the vertical port arranged outside of rear end draft tube has the 3rd external thread, the length of rear end draft tube horizontal component is 40-60mm, rear end draft tube vertical component length is 50-70mm, the internal diameter of rear end draft tube is 15-25mm, the pipe thickness of rear end draft tube is 1-3mm.
The length of front end airflow pipe is 50mm, the internal diameter of front end airflow pipe is 20mm, the pipe thickness of front end airflow pipe is 2mm, the horizontal length of Baltimore groove is 25mm, the height of Baltimore groove is 15mm, the length of connector front end is 20mm, the internal diameter of connector front end is 20mm, glass sand plate employing diameter is the glass particle at high temperature bonding one-tenth shim-like of 0.2mm, the thickness of glass sand plate is 5mm, the diameter of glass sand plate is 20mm, the length of connector rear end is 20mm, the internal diameter of connector rear end is 20mm, the length of rear end draft tube horizontal component is 50mm, rear end draft tube vertical component length is 60mm, the internal diameter of rear end draft tube is 20mm, the pipe thickness of rear end draft tube is 2mm.
Rotation axis adopts the cylindrical structural of hollow, rotation axis top inner side is provided with the 3rd internal thread, rotation axis is connected with rear end draft tube by the 3rd internal thread and the 3rd external thread, rotation axis lower end outside is provided with the 4th external thread, the internal diameter of rotation axis is 15-25mm, and the external diameter of rotation axis is 20-30mm.
The internal diameter of rotation axis is 20mm, and the external diameter of rotation axis is 25mm.
Trap tube outer tube adopts the cylindrical structural of hollow, trap tube outer tube top inner side is provided with the 4th internal thread, trap tube outer tube is connected with rotation axis by the 4th internal thread and the 4th external thread, the length of trap tube outer tube is 150-250mm, the internal diameter of trap tube outer tube is 20-30mm, and in trap tube, pipe adopts cylindrical structural, and in trap tube, the length of pipe is 150-200mm, in trap tube, the external diameter of pipe is 15-25mm, and the distance in trap tube between pipe and trap tube outer tube is 1.5-3.5mm.
The length of trap tube outer tube is 200mm, and the internal diameter of trap tube outer tube is 25mm, and in trap tube, the length of pipe is 2.5mm.
Design and the combination of the present embodiment each several part apply the power resources of natural wind-force as sampling thief dexterously, to utilize in trap tube potassium chloride to the adsorbability of reactive gaseous mercury in gas phase, employing weathervane is located, the air of any horizontal direction is utilized to flow, air reactive gaseous mercury after making separating granular is adsorbed on trap tube, round-the-clockly can be positioned over field and carry out sample collection, the present embodiment with the average daily collection capacity of reactive gaseous mercury for data representation form, the volume of air gathered is calculated according to weather data, thus according to the concentration level of reactive gaseous mercury in average daily collection capacity data computing environment air.
Above the utility model has been described in detail, but described content being only preferred embodiment of the present utility model, can not being considered to for limiting practical range of the present utility model.All equalizations done according to the utility model application range change and improve, and all should still belong within patent covering scope of the present utility model.

Claims (10)

1. the passive sampling apparatus of an air reactive gaseous mercury, it is characterized in that: comprise weathervane, front end airflow pipe, draft tube connector, rear end draft tube, rotation axis and reactive gaseous mercury trap tube, described weathervane is connected with described front end airflow pipe and described rear end draft tube respectively by fixed mount, described front end airflow pipe and described rear end draft tube are connected by described draft tube connector, the porch of described front end airflow pipe is provided with Baltimore groove, described rear end draft tube adopts the cylindrical structural of L shape hollow, the vertical port of described rear end draft tube is connected with described reactive gaseous mercury trap tube upper end by described rotation axis, described reactive gaseous mercury trap tube comprises trap tube outer tube, pipe in trap tube, fixed mount and rain shield, described trap tube outer tube is connected with described rotation axis, described trap tube outer tube is connected with managing in described trap tube by inner and outer pipes bonding point, and manage coaxial setting in trap tube outer tube and trap tube, be provided with described fixed mount uniformly outside described trap tube outer tube, described rain shield is arranged on described trap tube outer tube lower end, and described rain shield is provided with through hole, and in the inner side of described trap tube outer tube and described trap tube, the outside of pipe adopts frosted structure.
2. the passive sampling apparatus of a kind of air reactive gaseous mercury according to claim 1, it is characterized in that: described weathervane comprises arrow head, rocket body and arrow tail, described arrow head adopts triangular structure, the height of described arrow head is 10-30mm, described rocket body adopts rectangular configuration, and the length of described rocket body is 150-250mm, and the width of described rocket body is 15-250mm, described arrow tail adopts trapezium structure, and the height of described arrow tail is 20-40mm.
3. the passive sampling apparatus of a kind of air reactive gaseous mercury according to claim 2, is characterized in that: the height of described arrow head is 20mm, and the length of described rocket body is 200mm, and the width of described rocket body is 20mm, and the height of described arrow tail is 30mm.
4. the passive sampling apparatus of a kind of air reactive gaseous mercury according to claim 1, is characterized in that: described fixed mount adopts stainless steel rectangular structure, and the height of described fixed mount is 5-25mm.
5. the passive sampling apparatus of a kind of air reactive gaseous mercury according to claim 4, is characterized in that: the height of described fixed mount is 15mm.
6. the passive sampling apparatus of a kind of air reactive gaseous mercury according to claim 1, it is characterized in that: described front end airflow pipe adopts the cylindrical structural of hollow, the length of described front end airflow pipe is 40-60mm, the internal diameter of described front end airflow pipe is 10-30mm, the pipe thickness of described front end airflow pipe is 1-3mm, the horizontal length of described Baltimore groove is 15-35mm, the height of described Baltimore groove is 5-25mm, the afterbody of described front end airflow pipe is provided with the first external thread, described draft tube connector comprises connector front end, glass sand plate and connector rear end, described connector front end adopts the cylindrical structural of hollow, the length of described connector front end is 15-25mm, the internal diameter of described connector front end is 10-30mm, the inner side of described connector front end is provided with the first internal thread, described connector front end is connected with described front end airflow pipe with described first external thread by described first internal thread, described glass sand plate employing diameter is the glass particle at high temperature bonding one-tenth shim-like of 0.05-0.35mm, the thickness of described glass sand plate is 3-8mm, the diameter of described glass sand plate is 10-30mm, described glass sand plate is embedded in the latter half of of described draft tube connector, described connector rear end adopts the cylindrical structural of hollow, the length of described connector rear end is 15-25mm, the internal diameter of described connector rear end is 10-30mm, the inner side of described connector rear end is provided with the second internal thread, the horizontal port arranged outside of described rear end draft tube has the second external thread, described connector rear end is connected with described rear end draft tube with described second external thread by described second internal thread, the vertical port arranged outside of described rear end draft tube has the 3rd external thread, the length of described rear end draft tube horizontal component is 40-60mm, described rear end draft tube vertical component length is 50-70mm, the internal diameter of described rear end draft tube is 15-25mm, the pipe thickness of described rear end draft tube is 1-3mm.
7. the passive sampling apparatus of a kind of air reactive gaseous mercury according to claim 6, it is characterized in that: the length of described front end airflow pipe is 50mm, the internal diameter of described front end airflow pipe is 20mm, the pipe thickness of described front end airflow pipe is 2mm, the horizontal length of described Baltimore groove is 25mm, the height of described Baltimore groove is 15mm, the length of described connector front end is 20mm, the internal diameter of described connector front end is 20mm, described glass sand plate employing diameter is the glass particle at high temperature bonding one-tenth shim-like of 0.2mm, the thickness of described glass sand plate is 5mm, the diameter of described glass sand plate is 20mm, the length of described connector rear end is 20mm, the internal diameter of described connector rear end is 20mm, the length of described rear end draft tube horizontal component is 50mm, described rear end draft tube vertical component length is 60mm, the internal diameter of described rear end draft tube is 20mm, the pipe thickness of described rear end draft tube is 2mm.
8. the passive sampling apparatus of a kind of air reactive gaseous mercury according to claim 6, it is characterized in that: described rotation axis adopts the cylindrical structural of hollow, described rotation axis top inner side is provided with the 3rd internal thread, described rotation axis is connected with described rear end draft tube by described 3rd internal thread and described 3rd external thread, described rotation axis lower end outside is provided with the 4th external thread, the internal diameter of described rotation axis is 15-25mm, the external diameter of described rotation axis is 20-30mm, preferably, the internal diameter of described rotation axis is 20mm, and the external diameter of described rotation axis is 25mm.
9. the passive sampling apparatus of a kind of air reactive gaseous mercury according to claim 8, it is characterized in that: described trap tube outer tube adopts the cylindrical structural of hollow, described trap tube outer tube top inner side is provided with the 4th internal thread, described trap tube outer tube is connected with described rotation axis by described 4th internal thread and described 4th external thread, the length of described trap tube outer tube is 150-250mm, the internal diameter of described trap tube outer tube is 20-30mm, in described trap tube, pipe adopts cylindrical structural, in described trap tube, the length of pipe is 150-200mm, in described trap tube, the external diameter of pipe is 15-25mm, distance in described trap tube between pipe and described trap tube outer tube is 1.5-3.5mm.
10. the passive sampling apparatus of a kind of air reactive gaseous mercury according to claim 9, is characterized in that: the length of described trap tube outer tube is 200mm, and the internal diameter of described trap tube outer tube is 25mm, and in described trap tube, the length of pipe is 2.5mm.
CN201520046372.8U 2015-01-23 2015-01-23 A kind of passive sampling apparatus of air reactive gaseous mercury Withdrawn - After Issue CN204514672U (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104568521A (en) * 2015-01-23 2015-04-29 天津大学 Passive sampling device and sampling method of atmospheric reactive gaseous mercury
CN107305167A (en) * 2016-04-22 2017-10-31 中国石油化工股份有限公司 For mercury-traping tube enricher and catch mercury device
CN109506992A (en) * 2018-11-24 2019-03-22 天津大学 A kind of sampling apparatus and the method for sampling of short-term a large amount of acquisition atmosphere gaseous mercuries

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104568521A (en) * 2015-01-23 2015-04-29 天津大学 Passive sampling device and sampling method of atmospheric reactive gaseous mercury
CN104568521B (en) * 2015-01-23 2017-05-31 天津大学 A kind of passive sampling apparatus of air reactive gaseous mercury
CN107305167A (en) * 2016-04-22 2017-10-31 中国石油化工股份有限公司 For mercury-traping tube enricher and catch mercury device
CN107305167B (en) * 2016-04-22 2019-10-11 中国石油化工股份有限公司 For mercury-traping tube enricher and catch mercury device
CN109506992A (en) * 2018-11-24 2019-03-22 天津大学 A kind of sampling apparatus and the method for sampling of short-term a large amount of acquisition atmosphere gaseous mercuries
CN109506992B (en) * 2018-11-24 2021-06-29 天津大学 Sampling device and sampling method for collecting large amount of atmospheric gaseous mercury in short term

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Granted publication date: 20150729

Effective date of abandoning: 20170531