CN214538795U - Sampling tank for collecting and storing ambient air samples - Google Patents
Sampling tank for collecting and storing ambient air samples Download PDFInfo
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- CN214538795U CN214538795U CN202120462498.9U CN202120462498U CN214538795U CN 214538795 U CN214538795 U CN 214538795U CN 202120462498 U CN202120462498 U CN 202120462498U CN 214538795 U CN214538795 U CN 214538795U
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C1/00—Pressure vessels, e.g. gas cylinder, gas tank, replaceable cartridge
- F17C1/14—Pressure vessels, e.g. gas cylinder, gas tank, replaceable cartridge constructed of aluminium; constructed of non-magnetic steel
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C16/00—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes
- C23C16/22—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the deposition of inorganic material, other than metallic material
- C23C16/24—Deposition of silicon only
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C16/00—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes
- C23C16/44—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the method of coating
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2201/00—Vessel construction, in particular geometry, arrangement or size
- F17C2201/01—Shape
- F17C2201/0128—Shape spherical or elliptical
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2203/00—Vessel construction, in particular walls or details thereof
- F17C2203/06—Materials for walls or layers thereof; Properties or structures of walls or their materials
- F17C2203/0634—Materials for walls or layers thereof
- F17C2203/0636—Metals
- F17C2203/0639—Steels
- F17C2203/0641—Non-magnetic steels
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2203/00—Vessel construction, in particular walls or details thereof
- F17C2203/06—Materials for walls or layers thereof; Properties or structures of walls or their materials
- F17C2203/0634—Materials for walls or layers thereof
- F17C2203/0636—Metals
- F17C2203/0639—Steels
- F17C2203/0643—Stainless steels
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2209/00—Vessel construction, in particular methods of manufacturing
- F17C2209/23—Manufacturing of particular parts or at special locations
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/30—Hydrogen technology
- Y02E60/32—Hydrogen storage
Abstract
The utility model belongs to the technical field of ambient air sampling device, concretely relates to ambient air sample sampling jar. The utility model discloses a sampling tank, including following structure: the tank body is formed by two hemispheroids through seamless welding, and an exhaust port and a valve are arranged at the upper part of the tank body; the inner wall of the tank body is provided with a passivated film layer, and the film layer comprises an organic film layer and an inorganic film layer; the bottom of the sampling tank is provided with a circular base, and the diameter of the base is smaller than the maximum diameter of the middle part of the tank body; the upper part of the sampling tank is provided with a plurality of connecting strips, and a circular handle is arranged above the connecting strips; each connecting strip and the handle are welded into an integral structure. The sampling tank provided by the utility model adopts a specific film layer, is passivated, has strong passivation inertia, and is suitable for storing air samples containing sulfur and bromine; the sample is not adsorbed in the tank body and the valve, so that the accuracy of the result is ensured; the device is suitable for the requirements of collecting various ambient air samples, and has a wide application range.
Description
Technical Field
The utility model belongs to the technical field of ambient air sampling device, concretely relates to ambient air sample sampling jar.
Background
Tedlar sampling bags are less effective at collecting low concentrations (100ppbv) of sulfur-containing VOCs, with samples changing less than 24 hours. The sulfur component reacts with the electropolished metal surface. Such sampling bags are therefore not suitable for collecting and storing sulfur-containing VOC samples.
The common sampling tank is used for sampling air in a complex environment, and has the following problems which are difficult to solve:
one difficulty is that: the sampling tank is not corrosion-resistant, a large amount of harmful components such as sulfides can be generated in an industrial environment or an explosion site, and can be combined with water molecules in the air to form corrosive substances, so that the inner wall of the tank body is continuously corroded, and new substances are generated after interaction, so that the collected gas components are changed to cause sampling failure, and the effective service life of the tank body is greatly shortened;
difficulty two: the easy absorption, the most basic requirement of sampling container is that the sample property does not change, if the sample of gathering has partial absorption at jar internal wall, the sampling just also equals to having failed, so anti adsorptivity requirement to jar internal wall is very high, and the material that can find in the existing market can not satisfy this requirement basically.
Therefore, the invention aims to solve the above difficulties and invents a corrosion-resistant and non-adsorption sampling tank to meet the requirement of collecting and storing ambient air samples.
Disclosure of Invention
In order to solve the technical problem, the utility model provides a sampling tank which is especially suitable for collecting and storing air samples containing sulfur and bromine and has high inertia.
A sampling tank for collecting and storing an ambient air sample, comprising the structure of: the tank body is formed by two hemispheroids through seamless welding, and the upper part of the tank body is provided with an exhaust port and a valve; the inner wall of the tank body is provided with a passivated film layer, and the film layer comprises an organic film layer and an inorganic film layer;
the organic film layer is tightly attached to the inner wall of the tank body, and the inorganic film layer is positioned outside the organic film layer;
the lower bottom of the sampling tank is provided with a circular base, and the diameter of the base is smaller than the maximum diameter of the middle part of the tank body; the upper part of the sampling tank is provided with a plurality of connecting strips, and a circular handle is arranged above the connecting strips; each connecting strip is welded with the handle to form an integral structure;
the thickness of the film layer is as follows: 10-600 μm; the thickness ratio of the inorganic film to the organic film is as follows: 2-5: 1 to 3.
The inorganic substance film consists of a nano titanium dioxide layer, a Ni-P alloy coating and a graphene oxide layer, wherein the thickness ratio of the nano titanium dioxide layer to the Ni-P alloy coating to the graphene oxide layer is 2-4: 1-3: 2-4;
the organic matter rete comprises polycrystalline silicon rete, polytetrafluoroethylene layer, vinylidene chloride copolymer layer, and the thickness ratio of polycrystalline silicon rete, polytetrafluoroethylene layer, vinylidene chloride copolymer layer is 1 ~ 2: 2-4: 1 to 3
The thickness of the seamless welding part is 0.3-0.6 mm higher than that of the periphery.
The tank body is made of 316 stainless steel.
The valve is connected with a pressure gauge.
As an improvement of the utility model, a sampling tank for gathering and storing ambient air sample, including following structure: the tank body is formed by two hemispheroids through seamless welding, and the upper part of the tank body is provided with an exhaust port and a valve; the inner wall of the tank body is provided with a passivated film layer, and the film layer comprises an organic film and an inorganic film;
the lower bottom of the sampling tank is provided with a circular base, and the diameter of the base is smaller than the maximum diameter of the middle part of the tank body; the outer side wall of the base is provided with a plurality of connecting strips extending upwards, the parts of the connecting strips, which are positioned on the outer wall of the base, are vertical strips, and the parts of the connecting strips, which are positioned on the outer wall of the tank body of the sampling tank, are provided with outwards protruding bending parts; the rest part of the connecting strip is a vertical strip; the middle part of the connecting strip is attached to the outer wall of the tank body of the sampling tank, and the upper part of the connecting strip is connected with the inner wall of the annular handle; the upper part of the outer wall of the sampling tank body is provided with an annular ring, and the annular ring is positioned at the bending part of the connecting strip.
The inorganic substance film consists of a nano titanium dioxide layer, a Ni-P alloy coating and a graphene oxide layer, wherein the thickness ratio of the nano titanium dioxide layer to the Ni-P alloy coating to the graphene oxide layer is 2-4: 1-3: 2-4;
the organic matter rete comprises polycrystalline silicon rete, polytetrafluoroethylene layer, vinylidene chloride copolymer layer, and the thickness ratio of polycrystalline silicon rete, polytetrafluoroethylene layer, vinylidene chloride copolymer layer is 1 ~ 2: 2-4: 1 to 3. The thickness of the seamless welding part is 0.3-0.6 mm higher than that of the periphery. The tank body is made of 316 stainless steel. The valve is connected with a pressure gauge.
The beneficial effects of the utility model reside in that:
(1) the sampling tank of the utility model adopts a specific film layer, is passivated, has strong passivation inertia, and is suitable for storing air samples containing sulfur and bromine;
(2) the sample is not adsorbed in the tank body and the valve, so that the accuracy of the result is ensured;
(3) the method is suitable for various sampling requirements and has a wide application range.
Drawings
FIG. 1 is a schematic structural view of example 1;
fig. 2 is a schematic structural diagram of embodiment 2 of the present invention;
fig. 3 is a schematic structural view after a pressure gauge is added in embodiment 2 of the present invention;
fig. 4 is a plan view of embodiment 2 of the present invention;
FIG. 5 is a diagram showing the positional relationship between an organic film and an inorganic film in example 1 of the present invention;
in the figure, 1-handle, 2-connecting strip, 3-annular ring, 4-tank, 5-base, 6-valve, 7-pressure gauge, 8-organic film layer, 801-polycrystalline silicon film layer, 802-polytetrafluoroethylene layer, 803-vinylidene chloride copolymer layer, 9-inorganic film layer, 901-nano titanium dioxide layer, 902-Ni-P alloy coating layer, 903-graphene oxide layer.
Detailed Description
In order to enable those skilled in the art to better understand the present invention, the present invention will now be described in further detail with reference to the following embodiments.
Example 1
The utility model provides a sampling tank for gathering and storing environment air sample includes following structure:
the tank body 4 is formed by two hemispheroids through seamless welding, an exhaust port and a valve 6 are arranged at the upper part of the tank body 4, and a pressure gauge 7 is connected to the valve 6; the inner wall of the tank body 4 is provided with a passivated film layer, and the film layer comprises an organic film and an inorganic film; the thickness of the film layer is as follows: 500 μm; the tank 4 is made of 316 stainless steel.
The organic film layer 8 is tightly attached to the inner wall of the tank body, and the inorganic film layer 9 is positioned outside the organic film layer; the thickness ratio of the inorganic film to the organic film is as follows: 3: 2;
in the organic film layer 8, the ratio of the thicknesses of the polysilicon film layer 801, the polytetrafluoroethylene layer 802, and the vinylidene chloride copolymer layer 803 is 1: 3: 2; the polycrystalline silicon film layer 801, the polytetrafluoroethylene layer 802 and the vinylidene chloride copolymer layer 803 are sequentially arranged from the inner wall tightly attached to the tank body to the direction far away from the inner wall of the tank body;
in the inorganic film layer 9, the thickness ratio of the nano titanium dioxide layer 901, the Ni — P alloy plating layer 902, and the graphene oxide layer 903 is 3: 2: 3; the nano titanium dioxide layer 901, the Ni-P alloy coating 902 and the graphene oxide layer 903 are sequentially arranged from the direction close to the organic film layer 9 to the direction far away from the inner wall of the tank body 4;
the bottom of the sampling tank is provided with a circular base 5, and the diameter of the base 5 is smaller than the maximum diameter of the middle part of the tank body 4; the upper part of the sampling tank is provided with a plurality of connecting strips 2, and a circular handle 1 is arranged above the connecting strips 2; each connecting strip 2 and the handle 1 are welded into an integral structure. The upper top surface of the tank body 4 is provided with a valve 6 and a pressure gauge 7.
Example 2
A sampling tank for collecting and storing an ambient air sample comprising the following structure: the tank body 4 is formed by two hemispheroids through seamless welding, an exhaust port and a valve 6 are arranged at the upper part of the tank body 4, and a pressure gauge 7 is connected to the valve 6; the inner wall of the tank body 4 is provided with a passivated film layer, and the film layer comprises an organic film and an inorganic film; the thickness of the film layer is as follows: 500 μm; the tank 4 is made of 316 stainless steel.
The organic film layer 8 is tightly attached to the inner wall of the tank body, and the inorganic film layer 9 is positioned outside the organic film layer; the thickness ratio of the inorganic film to the organic film is as follows: 1: 1;
in the organic film layer 8, the ratio of the thicknesses of the polysilicon film layer 801, the polytetrafluoroethylene layer 802, and the vinylidene chloride copolymer layer 803 is 1: 3: 2; the polycrystalline silicon film layer 801, the polytetrafluoroethylene layer 802 and the vinylidene chloride copolymer layer 803 are sequentially arranged from the inner wall tightly attached to the tank body to the direction far away from the inner wall of the tank body;
in the inorganic film layer 9, the thickness ratio of the nano titanium dioxide layer 901, the Ni — P alloy plating layer 902, and the graphene oxide layer 903 is 3: 2: 3; the nano titanium dioxide layer 901, the Ni-P alloy coating 902 and the graphene oxide layer 903 are sequentially arranged from the direction close to the organic film layer 9 to the direction far away from the inner wall of the tank body 4;
the lower bottom of a tank body 4 of the sampling tank is provided with a circular base 5, and the diameter of the base 5 is smaller than the maximum diameter of the middle position of the tank body 4; the outer side wall of the base 5 is provided with a plurality of connecting strips 2 extending upwards, the parts of the connecting strips 2 positioned on the outer wall of the base 5 are vertical strips, and the parts of the connecting strips 2 positioned on the outer wall of the sampling tank body 4 are provided with outwards protruding bending parts; the rest part of the connecting strip 2 is a vertical strip; the middle part of the connecting strip 2 is attached to the outer wall of the tank body 4 of the sampling tank, and the upper part of the connecting strip 2 is connected with the inner wall of the annular handle 1 and is of an integral structure; an annular ring 3 is arranged on the upper part of the outer wall of the sampling tank body 4, and the annular ring 3 is positioned at the bending part of the connecting strip 2. The annular ring 3 is the same diameter as the handle 1. There is a pressure gauge 7 on the top of the tank 4 for reading the gas pressure inside the tank.
The connecting strip 2 is strip-shaped; the material is 316 stainless steel.
Example 3
About the utility model discloses a test is investigated to sampling tank and sampling tank's inner wall inertia stability on sale, the utility model discloses carried out the stable 12 hours survey of mark gas, mark 24 hours survey of gas, mark that the gas is stable 48 hours survey, mark that the gas stabilizes 72 hours survey, the result is as shown in table 1:
TABLE 1 the utility model discloses a sampling jar surveys test data with sampling jar inner wall inertia stability on sale
As can be seen from the upper table, compared with the sampling tank sold in the market, the sampling tank of the utility model has the advantages of remarkable superiority and low cost, and compared with the sampling tank sold in the same kind, the production cost of the utility model is saved by about 4000 yuan;
the sampling tank of the utility model proves that the sampling tank has reached the detection requirement of the standard method of volatile organic compounds in the ambient air through the tests of physical performance and core function;
in the aspect of physical properties, the inventor carries out comparison tests in various aspects such as temperature, oxidation, corrosion, pressure resistance, high temperature resistance, adhesiveness and the like, and can meet the requirements of sampling and monitoring of volatile organic compounds in ambient air.
In the aspect of functional test, the inventor performs gradient difference tests of 12 hours, 24 hours, 48 hours and 72 hours on 104 kinds of volatile organic standard gases stored in a domestic Suma tank body, and the results show that the gases in the tank are not subjected to physicochemical change. The utility model discloses a sampling tank does not have the significance difference in the aspect of key performance such as gas tightness, inner wall inertia, and stable storage performance is good.
Claims (10)
1. A sampling tank for collecting and storing an ambient air sample, comprising the structure of: the tank body is formed by two hemispheroids through seamless welding, and an air outlet and a valve are arranged at the upper part of the tank body; the inner wall of the tank body is provided with a passivated film layer, and the film layer comprises an organic film layer and an inorganic film layer;
the organic film layer is tightly attached to the inner wall of the tank body, and the inorganic film layer is positioned outside the organic film layer;
the bottom of the sampling tank is provided with a circular base, and the diameter of the base is smaller than the maximum diameter of the middle part of the tank body; the upper part of the sampling tank is provided with a plurality of connecting strips, and a circular handle is arranged above the connecting strips; each connecting strip is welded with the handle to form an integral structure;
the thickness of the film layer is as follows: 10-600 μm; the thickness ratio of the inorganic film to the organic film is as follows: 2-5: 1 to 3.
2. The sampling tank of claim 1, wherein the inorganic film comprises a nano-titania layer, a Ni-P alloy coating, and a graphene oxide layer, and the ratio of the thicknesses of the nano-titania layer, the Ni-P alloy coating, and the graphene oxide layer is 2 to 4: 1-3: 2-4;
the organic matter rete comprises polycrystalline silicon rete, polytetrafluoroethylene layer, vinylidene chloride copolymer layer, and the thickness ratio of polycrystalline silicon rete, polytetrafluoroethylene layer, vinylidene chloride copolymer layer is 1 ~ 2: 2-4: 1-3;
the polysilicon film layer, the polytetrafluoroethylene layer and the vinylidene chloride copolymer layer are sequentially arranged from the inner wall close to the tank body to the direction far away from the inner wall of the tank body; the nano titanium dioxide layer, the Ni-P alloy coating and the graphene oxide layer are sequentially arranged from the direction close to the organic film layer to the direction far away from the inner wall of the tank body.
3. A sample vessel for collecting and storing samples of ambient air according to claim 1, wherein the thickness of the seamless weld is 0.3 to 0.6mm above the perimeter.
4. A sample tank for collecting and storing an ambient air sample according to claim 1, wherein said tank body is 316 stainless steel.
5. A sample tank for collecting and storing samples of ambient air according to claim 1, wherein a pressure gauge is connected to said valve.
6. A sampling tank for collecting and storing an ambient air sample, comprising the structure of: the tank body is formed by two hemispheroids through seamless welding, and an air outlet and a valve are arranged at the upper part of the tank body; the inner wall of the tank body is provided with a passivated film layer, and the film layer comprises an organic film and an inorganic film;
the bottom of the sampling tank is provided with a circular base, and the diameter of the base is smaller than the maximum diameter of the middle part of the tank body; the outer side wall of the base is provided with a plurality of connecting strips extending upwards, the parts of the connecting strips, which are positioned on the outer wall of the base, are vertical strips, and the parts of the connecting strips, which are positioned on the outer wall of the tank body of the sampling tank, are provided with outwards protruding bending parts; the rest part of the connecting strip is a vertical strip; the middle part of the connecting strip is attached to the outer wall of the tank body of the sampling tank, and the upper part of the connecting strip is connected with the inner wall of the annular handle; the upper part of the outer wall of the sampling tank body is provided with an annular ring, and the annular ring is positioned at the bending part of the connecting strip.
7. The sampling tank of claim 6, wherein the inorganic film comprises a nano-titania layer, a Ni-P alloy coating, and a graphene oxide layer, and the ratio of the thicknesses of the nano-titania layer, the Ni-P alloy coating, and the graphene oxide layer is 2 to 4: 1-3: 2-4;
the organic matter rete comprises polycrystalline silicon rete, polytetrafluoroethylene layer, vinylidene chloride copolymer layer, and the thickness ratio of polycrystalline silicon rete, polytetrafluoroethylene layer, vinylidene chloride copolymer layer is 1 ~ 2: 2-4: 1 to 3.
8. A sample vessel for the collection and storage of samples of ambient air according to claim 6, wherein the thickness of the seamless weld is 0.3 to 0.6mm above the perimeter.
9. A sample tank for collecting and storing an ambient air sample according to claim 6, wherein said tank body is 316 stainless steel.
10. A sample tank for collecting and storing samples of ambient air according to claim 6, wherein a pressure gauge is connected to the valve.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010835856 | 2020-08-19 | ||
| CN2020108358566 | 2020-08-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214538795U true CN214538795U (en) | 2021-10-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120462498.9U Active CN214538795U (en) | 2020-08-19 | 2021-03-04 | Sampling tank for collecting and storing ambient air samples |
| CN202110889889.3A Pending CN113623529A (en) | 2020-08-19 | 2021-08-04 | Sampling tank for storing ambient air sample |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110889889.3A Pending CN113623529A (en) | 2020-08-19 | 2021-08-04 | Sampling tank for storing ambient air sample |
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| AU (1) | AU2021104937A4 (en) |
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| CN115654356B (en) * | 2022-10-28 | 2024-03-26 | 四川中测标物科技有限公司 | Carbon fiber wound silanized inert metal gas cylinder and preparation method and application thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN100535198C (en) * | 2005-07-14 | 2009-09-02 | 重庆工学院 | Surface treatment method for improving corrosion stability of magnesium alloy |
| US20100068561A1 (en) * | 2008-09-12 | 2010-03-18 | Gm Global Technology Operations, Inc. | Permeation protection for pressurized hydrogen storage tank |
| CN101996869A (en) * | 2009-08-31 | 2011-03-30 | 北大方正集团有限公司 | Preparation method and preparation device for poly-silicon thin film |
| CN102452797B (en) * | 2010-10-19 | 2014-08-20 | 英作纳米科技（北京）有限公司 | Method for preparing coating on inner wall of medicinal glass bottle |
| CN103866262B (en) * | 2014-03-26 | 2016-08-17 | 北京博赛德科技有限公司 | A kind of preparation method of stainless steel surfaces silanization treatment film |
| CN204964264U (en) * | 2015-09-18 | 2016-01-13 | 杭州天净检测技术有限公司 | Gas sampling jar |
| CN105525278B (en) * | 2015-12-29 | 2019-02-01 | 常州比太科技有限公司 | The cleaning method of the vacuum cavity of silicon or silicide film is plated for PECVD |
| CN111370282B (en) * | 2018-12-26 | 2022-06-24 | 江苏鲁汶仪器有限公司 | Cleaning method of plasma enhanced chemical vapor deposition chamber |
| CN209925711U (en) * | 2019-06-05 | 2020-01-10 | 浙江埃泰克环境科技有限公司 | Constant-current sampling flow-limiting valve |
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2021
- 2021-03-04 CN CN202120462498.9U patent/CN214538795U/en active Active
- 2021-08-04 CN CN202110889889.3A patent/CN113623529A/en active Pending
- 2021-08-04 AU AU2021104937A patent/AU2021104937A4/en not_active Ceased
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| Publication number | Publication date |
|---|---|
| CN113623529A (en) | 2021-11-09 |
| AU2021104937A4 (en) | 2021-09-30 |
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