CN110686938B - Hydrogen oil sampling device and sampling method - Google Patents

Hydrogen oil sampling device and sampling method Download PDF

Info

Publication number
CN110686938B
CN110686938B CN201911095785.4A CN201911095785A CN110686938B CN 110686938 B CN110686938 B CN 110686938B CN 201911095785 A CN201911095785 A CN 201911095785A CN 110686938 B CN110686938 B CN 110686938B
Authority
CN
China
Prior art keywords
sampling
sampling tube
air suction
tube
hydrogen oil
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN201911095785.4A
Other languages
Chinese (zh)
Other versions
CN110686938A (en
Inventor
宋玉锋
何运华
李宗红
邱方程
杨雪滢
程雪婷
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Electric Power Research Institute of Yunnan Power Grid Co Ltd
Original Assignee
Electric Power Research Institute of Yunnan Power Grid Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Electric Power Research Institute of Yunnan Power Grid Co Ltd filed Critical Electric Power Research Institute of Yunnan Power Grid Co Ltd
Priority to CN201911095785.4A priority Critical patent/CN110686938B/en
Publication of CN110686938A publication Critical patent/CN110686938A/en
Application granted granted Critical
Publication of CN110686938B publication Critical patent/CN110686938B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N1/00Sampling; Preparing specimens for investigation
    • G01N1/02Devices for withdrawing samples
    • G01N1/10Devices for withdrawing samples in the liquid or fluent state
    • G01N1/14Suction devices, e.g. pumps; Ejector devices
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N1/00Sampling; Preparing specimens for investigation
    • G01N1/28Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
    • G01N1/34Purifying; Cleaning
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/30Hydrogen technology
    • Y02E60/32Hydrogen storage

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Biomedical Technology (AREA)
  • Molecular Biology (AREA)
  • Engineering & Computer Science (AREA)
  • Hydrology & Water Resources (AREA)
  • Sampling And Sample Adjustment (AREA)

Abstract

The invention discloses a hydrogen oil sampling device, which comprises a filter head, a steel ball, a spring, a sampling tube, a valve, an air exhaust port, an air suction balloon, a waste liquid tube, a three-way valve and a dust cover, and discloses a method for sampling hydrogen oil by using the device. Not only avoided the oil in the pipeline to get into in the oil storage tank during the sample, effectively prevented to pollute body oil, become the negative pressure oil pumping with the ball of breathing in moreover and compare traditional oil pump or other modes extractions, it is safer, simple to utilize this device to sample and can guarantee sample representativeness, no cross contamination, have easy operation, sample accurate efficient characteristics.

Description

Hydrogen oil sampling device and sampling method
Technical Field
The invention belongs to the field of experimental devices, and particularly relates to a hydrogen oil sampling device and a sampling method.
Background
Hydrogen is considered to be one of the most promising energy sources in the future with the advantages of abundant resources, high calorific value, no pollution and the like, and the hydrogen has high heat release efficiency, only produces water as waste, does not cause environmental pollution and is also called as clean fuel. The hydrogen oil hydrogen storage technology is characterized in that hydrogen and dehydrogenation are realized by means of reversible reaction generated by hydrogen and hydrogen storage agents such as certain olefin, alkyne or aromatic hydrocarbon, and the like, and the hydrogen oil hydrogen storage technology has the characteristics of reversible reaction process, high hydrogen storage density, safe and convenient storage and transportation of hydrogen carriers, suitability for long-distance transportation, wide application by utilizing the existing gasoline conveying pipelines and the like. In the sampling process, if external impurities enter the sampling bottle or the sampling is not representative, cross contamination can cause some errors, and even measurement data can be unavailable in serious cases. To avoid such situations, there is a need for an efficient, accurate, simple, and representative sampling device and method of use.
Disclosure of Invention
The invention aims to provide an experimental device which is simple to operate, representative in sampling and accurate and efficient in sampling, and provides a hydrogen oil sampling device and a sampling method.
The invention adopts the following technical scheme:
the utility model provides a hydrogen oil sampling device which the key lies in: including the sampling tube, this sampling tube encircles the form and extends, the sampling tube access connection has the filter head, be close to in the sampling tube the filter head is equipped with prevents that suck-back spare subassembly, the sampling tube middle part is connected with the negative pressure subassembly of breathing in, and the exit linkage has the dust cover. The effect of this scheme is: the filter head can filter hydrogen oil to be measured, and prevent large particles from entering a sampling system; the negative pressure air suction assembly can suck the hydrogen oil to be detected into the sampling tube by utilizing negative pressure to perform sampling operation; the anti-suck-back component can prevent the hydrogen oil entering the sampling tube from being sucked back into the hydrogen oil to be detected, so that cross contamination is avoided; the dust cover can effectively avoid external dust to pollute the hydrogen oil of sample.
As preferred scheme, the anti-suck-back component comprises a steel ball and a spring, wherein the steel ball and the spring are arranged inside the sampling tube, the filter head is in a shape of a funnel, a flow limiting port is formed in the top of the filter head, the steel ball is located at the joint of the filter head and the sampling tube, the flow limiting port is blocked by the steel ball, the spring is located above the steel ball, the upper end of the spring is abutted against the wall of the sampling tube, and the lower end of the spring is abutted against the steel ball. The effect of this scheme is: the steel ball blocks the outlet of the filter head, so that residual hydrogen oil in the sampling tube can be prevented from flowing back into a hydrogen oil system to be tested, and cross contamination is effectively avoided; the spring can prevent the steel ball from losing the function of blocking the outlet of the filter head when the steel ball in the negative pressure state flows to the rear end of the sampling tube along with the hydrogen oil.
Preferably, the negative pressure suction assembly comprises a suction tube and a suction ball, an inlet of the suction tube is communicated with the middle part of the sampling tube, a valve is arranged on the suction tube, an outlet of the suction tube is communicated with the outside, and the suction ball is adapted to the outlet of the suction tube. The effect of this scheme is: the inside negative pressure that forms of sampling tube through the cooperation of inhaling balloon and valve will await measuring the hydrogen oil and inhale in the sampling tube.
Preferably, the sampling tube is further connected with a waste liquid tube, the waste liquid tube is located between the air suction tube and the dust cover, and the sampling tube and the waste liquid tube are controlled through a three-way valve. The effect of this scheme is: the three-way valve is matched with the sampling tube, the interior of the sampling tube can be cleaned before formal sampling is carried out, the test result is prevented from being influenced by cross infection, and the sampling representativeness and certainty are effectively guaranteed.
The sampling method of the hydrogen oil sampling device is characterized by comprising the following steps of:
the key point is that the method comprises the following steps:
s1. purge line: the filter head is placed into hydrogen oil to be measured, then the three-way valve is closed, the air suction port valve is opened, the air in the sampling tube is sucked out by the air suction ball, the sampling tube is in a negative pressure state, the hydrogen oil to be measured can enter the filter head to push the steel ball compression spring, the hydrogen oil to be measured enters the top of the sampling tube, then the air suction port valve is closed, and finally the three-way valve is rotated to the waste liquid pipe, so that the hydrogen oil to be measured flows out from the waste liquid pipe, and the purpose of cleaning the pipeline is achieved.
s2, sampling: the sampling bottle is placed at the outlet of the sampling tube and covered by the dust cover, then the three-way valve is closed, the air suction port valve is opened again, the air in the sampling tube is sucked out by the air suction ball, so that the sampling tube is in a negative pressure state, the air suction port is closed after hydrogen oil to be detected enters the top of the sampling tube, finally the three-way valve is rotated to the outlet of the sampling tube, and the hydrogen oil to be detected enters the sampling bottle under the negative pressure condition.
The effect of this scheme is: the hydrogen oil to be detected is sucked into the sampling tube through negative pressure to carry out sampling operation, the cooperation of the steel ball and the spring can prevent residual hydrogen oil in the sampling tube from flowing back into a hydrogen oil system to prevent cross contamination, and the operation of sampling after cleaning can ensure the sampling representativeness and accuracy.
Has the advantages that: the hydrogen oil sampling device and the sampling method have the advantages that negative pressure is formed in the whole system after the air suction ball sucks air, the hydrogen oil can enter through the sampling tube, the steel ball compression spring is pushed, the hydrogen oil continuously advances, the whole system is cleaned firstly, and then the hydrogen oil enters into the sample bottle. Not only avoided the oil in the pipeline to get into in the oil storage tank during the sample, effectively prevented to pollute body oil, become the negative pressure oil pumping with the ball of breathing in moreover and compare traditional oil pump or other modes extractions, it is safer, simple to utilize this device to sample and can guarantee sample representativeness, no cross contamination, have easy operation, sample accurate efficient characteristics. .
Drawings
FIG. 1 is a schematic structural diagram of a hydrogen oil sampling device according to the present invention;
fig. 2 is a schematic diagram showing the assembly relationship between the steel ball 2 and the spring 3.
Detailed Description
The invention is described in further detail below with reference to the accompanying drawings:
example (b):
as shown in the attached drawing 1, a hydrogen oil sampling device comprises a sampling tube 4, wherein the sampling tube 4 extends in an arch shape, the inlet of the sampling tube 4 is connected with a filter head 1, a reverse suction prevention component is arranged in the sampling tube 4 close to the filter head 1, the middle part of the sampling tube 4 is connected with a negative pressure air suction component, and the outlet is connected with a dust cover 10.
During concrete implementation, above-mentioned suck-back prevention subassembly includes steel ball 2 and spring 3, and steel ball 2 and spring 3 all set up inside sampling tube 4, and filter 1 is and leads to leaking hopper-shaped, and filter 1 top is equipped with the restricted flow mouth, and steel ball 2 is located filter 1 and sampling tube 4 junction, and steel ball 2 blocks up the restricted flow mouth, and spring 3 is located steel ball 2 top, and spring 3 upper end supports and leans on at sampling tube 4 pipe walls, and the lower extreme supports and leans on steel ball 2.
The negative pressure air suction assembly comprises an air suction pipe 6 and an air suction ball 7, wherein the inlet of the air suction pipe 6 is communicated with the middle part of the sampling pipe 4, the valve 5 is arranged on the air suction pipe 6, the outlet of the air suction pipe 6 is communicated with the outside, and the air suction ball 7 is matched with the outlet of the air suction pipe 6.
In addition, the sampling tube 4 is also connected with a waste liquid tube 8, the waste liquid tube 8 is positioned between the air suction tube 6 and the dust cover 10, the sampling tube 4 and the waste liquid tube 8 are controlled by a three-way valve 9, and the three-way valve 9 is mainly used for opening/closing an outlet of the sampling tube and the waste liquid port 8; the dust cover 10 is mainly used for preventing the impurity particles in the air from falling into the oil sample to cause the pollution of the oil sample, and during the specific implementation, the sampling tube 4, the exhaust tube 6, the dust cover 10, the waste liquid tube 8 and the filter head 1 can be made of transparent materials, for example, polytetrafluoroethylene is used as the material for preparation.
The hydrogen oil sampling device comprises the following steps when in sampling operation:
s1. purge line: the specific operation is that the filter head 1 is put into the hydrogen oil to be measured, the three-way valve 9 is closed afterwards, the valve 5 on the exhaust tube 6 is opened again, the air inside the sampling tube 4 is pumped out by the air suction ball 7, so that the inside of the sampling tube 4 is in a negative pressure state, the hydrogen oil to be measured can enter the filter head 1 and push the steel ball 2 to compress the spring 3 upwards, the valve 5 on the exhaust tube 6 is closed after the hydrogen oil to be measured enters the horizontal section at the top of the sampling tube 4, and finally the three-way valve 9 is rotated to the waste liquid pipe, so that the hydrogen oil to be measured flows out from the waste liquid pipe 8, and the purpose of cleaning the pipeline is achieved.
s2, sampling: place the sampling bottle in sampling tube 4 export below to cover with dust cover 10, then close three-way valve 9, open valve 5 on the exhaust tube 6 once more, take out the air in the sampling tube 4 with the ball 7 that breathes in, make and be the negative pressure state in the sampling tube 4 once more, hydrogen oil that awaits measuring closes valve 5 after getting into the horizontal segment at sampling tube 4 top, at last with three-way valve 9 rotation to sampling tube 4 export orientation, hydrogen oil that awaits measuring gets into in the sampling bottle under the negative pressure condition, the completion sample.
Above-mentioned hydrogen oil sampling device and sampling method thereof can carry out the hydrogen oil sample with pollution-free ground representatively to this device simple structure can prevent suck-back, need not add other power, can consider that the condition of hydrogen easy explosion is safer, and dust cover 10 can avoid external impurity to disturb, makes the sample unanimous with the body in the at utmost, so this device still has good application prospect and market environment.
Finally, it should be noted that the above-mentioned description is only a preferred embodiment of the present invention, and those skilled in the art can make various similar representations without departing from the spirit and scope of the present invention.

Claims (2)

1. A hydrogen oil sampling device which is characterized in that: the sampling device comprises a sampling tube (4), wherein the sampling tube (4) extends in an arch shape, the inlet of the sampling tube (4) is connected with a filter head (1), an anti-suck-back component is arranged in the sampling tube (4) and close to the filter head (1), the middle part of the sampling tube (4) is connected with a negative pressure air suction component, and the outlet of the sampling tube is connected with a dust cover (10);
the anti-suck-back component comprises a steel ball (2) and a spring (3), the steel ball (2) and the spring (3) are both arranged inside the sampling tube (4), the filter head (1) is funnel-shaped, a flow limiting opening is formed in the top of the filter head (1), the steel ball (2) is located at the joint of the filter head (1) and the sampling tube (4), the flow limiting opening is blocked by the steel ball (2), the spring (3) is located above the steel ball (2), the upper end of the spring (3) is abutted against the tube wall of the sampling tube (4), and the lower end of the spring (3) is abutted against the steel ball (2);
the negative pressure air suction assembly comprises an air suction pipe (6) and an air suction ball (7), the inlet of the air suction pipe (6) is communicated with the middle part of the sampling pipe (4), a valve (5) is arranged on the air suction pipe (6), the outlet of the air suction pipe (6) is communicated with the outside, and the air suction ball (7) is matched with the outlet of the air suction pipe (6);
sampling tube (4) still are connected with waste liquid pipe (8), waste liquid pipe (8) are located aspiration tube (6) with between dust cover (10), sampling tube (4) and waste liquid pipe (8) are through three-way valve (9) control.
2. A sampling method using the hydrogen oil sampling device according to claim 1, comprising the steps of:
s1. purge line: putting the filter head into hydrogen oil to be tested, then closing the three-way valve, opening the valve of the air suction port, sucking air in the sampling tube by using the air suction ball to enable the sampling tube to be in a negative pressure state, enabling the hydrogen oil to be tested to enter the filter head to push the steel ball to compress the spring, enabling the hydrogen oil to be tested to enter the top of the sampling tube, then closing the valve of the air suction port, and finally rotating the three-way valve to the waste liquid pipe to enable the hydrogen oil to be tested to flow out of the waste liquid pipe, thereby achieving the purpose of cleaning the pipeline;
s2, sampling: the sampling bottle is placed at the outlet of the sampling tube and covered by the dust cover, then the three-way valve is closed, the air suction port valve is opened again, the air in the sampling tube is sucked out by the air suction ball, so that the sampling tube is in a negative pressure state, the air suction port is closed after hydrogen oil to be detected enters the top of the sampling tube, finally the three-way valve is rotated to the outlet of the sampling tube, and the hydrogen oil to be detected enters the sampling bottle under the negative pressure condition.
CN201911095785.4A 2019-11-11 2019-11-11 Hydrogen oil sampling device and sampling method Active CN110686938B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201911095785.4A CN110686938B (en) 2019-11-11 2019-11-11 Hydrogen oil sampling device and sampling method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201911095785.4A CN110686938B (en) 2019-11-11 2019-11-11 Hydrogen oil sampling device and sampling method

Publications (2)

Publication Number Publication Date
CN110686938A CN110686938A (en) 2020-01-14
CN110686938B true CN110686938B (en) 2022-08-16

Family

ID=69116144

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201911095785.4A Active CN110686938B (en) 2019-11-11 2019-11-11 Hydrogen oil sampling device and sampling method

Country Status (1)

Country Link
CN (1) CN110686938B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113324800A (en) * 2021-05-18 2021-08-31 国网河北省电力有限公司检修分公司 Vacuum oil-taking test tube
CN114371037A (en) * 2022-02-10 2022-04-19 中国华能集团清洁能源技术研究院有限公司 Sampling device for fan gear box lubricating oil and using method thereof
CN115060857A (en) * 2022-04-28 2022-09-16 武汉厨之道食品有限公司 Conveniently draw plant blend oil check out test set of sample

Citations (33)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1265139A (en) * 1969-06-20 1972-03-01 Technicon Instr
RU1800307C (en) * 1990-03-12 1993-03-07 Самарский сельскохозяйственный институт Sampler
CN2604677Y (en) * 2003-02-26 2004-02-25 周敏 Sampler for storage tank homogeneity
CN1995955A (en) * 2006-12-30 2007-07-11 中国石油大学(北京) Axial multipoint-parallel vacuum type solid particles sampling device for fluidized bed
CN201417226Y (en) * 2009-04-30 2010-03-03 大庆电业局 Suction handle of sampling tube
CN201740675U (en) * 2010-08-05 2011-02-09 中国石油天然气股份有限公司 Glass tube sample suction device
CN201837544U (en) * 2010-08-19 2011-05-18 大庆油田有限责任公司 Negative pressure liquid sampler
CN201885895U (en) * 2010-12-06 2011-06-29 山东六和集团有限公司 Underwater sample collector
CN102455256A (en) * 2010-12-06 2012-05-16 山东六和集团有限公司 Underwater sample collector
CN202485941U (en) * 2012-03-02 2012-10-10 山西省电力公司电力科学研究院 Negative pressure liquid sampling device
CN202485940U (en) * 2012-03-02 2012-10-10 山西省电力公司电力科学研究院 Oil sampling device for transformer
CN202648996U (en) * 2012-06-28 2013-01-02 程美喜 Sampler special for edible oil
CN203299024U (en) * 2013-06-26 2013-11-20 天津中海恒运石油制品有限公司 Lubricant oil sampling device
CN104048851A (en) * 2014-06-09 2014-09-17 国家电网公司 Transformer oil sampling device and method
CN203981447U (en) * 2014-05-30 2014-12-03 国网山西省电力公司电力科学研究院 A kind of transformer insulation oil sampler
CN205091142U (en) * 2015-10-12 2016-03-16 益阳医学高等专科学校 Pharmacy experiment sampler
CN205620175U (en) * 2016-04-19 2016-10-05 马树布 Electric locomotive transformer oil's sampling device
CN205642904U (en) * 2016-04-25 2016-10-12 国网天津市电力公司 Insulation oil sampling device of transformer
CN205844014U (en) * 2016-06-30 2016-12-28 中石化石油工程技术服务有限公司 A kind of drilling fluid online quantitative collection transmitting device
CN206235492U (en) * 2016-12-07 2017-06-09 王传玲 A kind of oil recovery sampler
CN206848004U (en) * 2017-06-30 2018-01-05 王彦河 Tank car whole process sampler
CN107631909A (en) * 2017-09-28 2018-01-26 南京智计检测技术服务有限公司 A kind of filtering type Water Test Kits sampling below atmospheric pressure mechanism
CN207095778U (en) * 2017-09-01 2018-03-13 云南电网有限责任公司电力科学研究院 A kind of device for being used to connect Leakage inspection background board
CN207300657U (en) * 2017-09-30 2018-05-01 池州零度节能环保科技有限公司 A kind of water sampling unit
CN207439729U (en) * 2017-08-22 2018-06-01 中国石油天然气股份有限公司 Crude sampler
CN208520645U (en) * 2018-05-06 2019-02-19 泉州市泉港正新电脑科技开发有限公司 A kind of PETROLEUM PROCESSING reaction kettle sampler
CN208579960U (en) * 2018-06-29 2019-03-05 温州林信科技有限公司 Sampler is used in a kind of processing of Portable sewage
CN208621374U (en) * 2018-08-29 2019-03-19 黑龙江省华富电力投资有限公司 Suction type gearbox of wind turbine sampler
CN208653865U (en) * 2018-04-17 2019-03-26 广西壮族自治区环境保护科学研究院 A kind of sewage sampling device
CN208887991U (en) * 2018-09-23 2019-05-21 西南石油大学 A kind of sampling apparatus suitable for different densities petroleum
CN208902481U (en) * 2018-10-26 2019-05-24 鞠爱萍 Medical urine sample collection device
CN209043661U (en) * 2018-11-16 2019-06-28 孙江 A kind of petroleum sampling Detection sampler
CN209230978U (en) * 2018-09-26 2019-08-09 宁夏宁苗生态园林(集团)股份有限公司 A kind of lakebed soil environment detection sampling monitoring device

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4213342A (en) * 1978-12-11 1980-07-22 Gates Wendall C Liquid sampler device
CA1332293C (en) * 1988-09-01 1994-10-11 Gunilla K. E. Seifert Automatic aseptic sampling apparatus
US8166832B2 (en) * 2006-12-21 2012-05-01 Shell Oil Company Oil sampling device having a flexible piston and chamber
CN201337472Y (en) * 2009-02-17 2009-11-04 巩翠玉 Negative pressure suction sampler of endometrial tissues
WO2012016063A1 (en) * 2010-07-30 2012-02-02 Battelle Memorial Institute Contamination free water sampler and system
CN102331358B (en) * 2011-06-07 2013-05-29 安徽科力仪器有限公司 Non-pollution and rapid sampling method for liquid and apparatus thereof
CN204346765U (en) * 2014-12-31 2015-05-20 中国市政工程华北设计研究总院有限公司 Nitration denitrification rate determination automatic sampling filtration unit
CN107290179A (en) * 2016-04-01 2017-10-24 中国石油化工股份有限公司 A kind of Lubricating oil sampling device
CN207379769U (en) * 2017-11-22 2018-05-18 黑龙江省水利科学研究院 A kind of soil liquid self-cleaning sampler
CN207610890U (en) * 2017-12-26 2018-07-13 贵阳市第二人民医院 A kind of medical test sampler

Patent Citations (33)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1265139A (en) * 1969-06-20 1972-03-01 Technicon Instr
RU1800307C (en) * 1990-03-12 1993-03-07 Самарский сельскохозяйственный институт Sampler
CN2604677Y (en) * 2003-02-26 2004-02-25 周敏 Sampler for storage tank homogeneity
CN1995955A (en) * 2006-12-30 2007-07-11 中国石油大学(北京) Axial multipoint-parallel vacuum type solid particles sampling device for fluidized bed
CN201417226Y (en) * 2009-04-30 2010-03-03 大庆电业局 Suction handle of sampling tube
CN201740675U (en) * 2010-08-05 2011-02-09 中国石油天然气股份有限公司 Glass tube sample suction device
CN201837544U (en) * 2010-08-19 2011-05-18 大庆油田有限责任公司 Negative pressure liquid sampler
CN102455256A (en) * 2010-12-06 2012-05-16 山东六和集团有限公司 Underwater sample collector
CN201885895U (en) * 2010-12-06 2011-06-29 山东六和集团有限公司 Underwater sample collector
CN202485941U (en) * 2012-03-02 2012-10-10 山西省电力公司电力科学研究院 Negative pressure liquid sampling device
CN202485940U (en) * 2012-03-02 2012-10-10 山西省电力公司电力科学研究院 Oil sampling device for transformer
CN202648996U (en) * 2012-06-28 2013-01-02 程美喜 Sampler special for edible oil
CN203299024U (en) * 2013-06-26 2013-11-20 天津中海恒运石油制品有限公司 Lubricant oil sampling device
CN203981447U (en) * 2014-05-30 2014-12-03 国网山西省电力公司电力科学研究院 A kind of transformer insulation oil sampler
CN104048851A (en) * 2014-06-09 2014-09-17 国家电网公司 Transformer oil sampling device and method
CN205091142U (en) * 2015-10-12 2016-03-16 益阳医学高等专科学校 Pharmacy experiment sampler
CN205620175U (en) * 2016-04-19 2016-10-05 马树布 Electric locomotive transformer oil's sampling device
CN205642904U (en) * 2016-04-25 2016-10-12 国网天津市电力公司 Insulation oil sampling device of transformer
CN205844014U (en) * 2016-06-30 2016-12-28 中石化石油工程技术服务有限公司 A kind of drilling fluid online quantitative collection transmitting device
CN206235492U (en) * 2016-12-07 2017-06-09 王传玲 A kind of oil recovery sampler
CN206848004U (en) * 2017-06-30 2018-01-05 王彦河 Tank car whole process sampler
CN207439729U (en) * 2017-08-22 2018-06-01 中国石油天然气股份有限公司 Crude sampler
CN207095778U (en) * 2017-09-01 2018-03-13 云南电网有限责任公司电力科学研究院 A kind of device for being used to connect Leakage inspection background board
CN107631909A (en) * 2017-09-28 2018-01-26 南京智计检测技术服务有限公司 A kind of filtering type Water Test Kits sampling below atmospheric pressure mechanism
CN207300657U (en) * 2017-09-30 2018-05-01 池州零度节能环保科技有限公司 A kind of water sampling unit
CN208653865U (en) * 2018-04-17 2019-03-26 广西壮族自治区环境保护科学研究院 A kind of sewage sampling device
CN208520645U (en) * 2018-05-06 2019-02-19 泉州市泉港正新电脑科技开发有限公司 A kind of PETROLEUM PROCESSING reaction kettle sampler
CN208579960U (en) * 2018-06-29 2019-03-05 温州林信科技有限公司 Sampler is used in a kind of processing of Portable sewage
CN208621374U (en) * 2018-08-29 2019-03-19 黑龙江省华富电力投资有限公司 Suction type gearbox of wind turbine sampler
CN208887991U (en) * 2018-09-23 2019-05-21 西南石油大学 A kind of sampling apparatus suitable for different densities petroleum
CN209230978U (en) * 2018-09-26 2019-08-09 宁夏宁苗生态园林(集团)股份有限公司 A kind of lakebed soil environment detection sampling monitoring device
CN208902481U (en) * 2018-10-26 2019-05-24 鞠爱萍 Medical urine sample collection device
CN209043661U (en) * 2018-11-16 2019-06-28 孙江 A kind of petroleum sampling Detection sampler

Also Published As

Publication number Publication date
CN110686938A (en) 2020-01-14

Similar Documents

Publication Publication Date Title
CN110686938B (en) Hydrogen oil sampling device and sampling method
CN209238628U (en) Non-methane total hydrocarbons samples airbag automatic flushing device
CN207351766U (en) It is a kind of removably to descend fuel gas pipeline leakage detection and sampling apparatus
CN206177653U (en) Lung formula sample thief
CN207866566U (en) Transformer oil vacuum quantitative sampling instrument
CN206038368U (en) Portable precipitation isotope sample thief
CN209878398U (en) Water sample sampler for water quality detection
CN109506988A (en) A kind of water sample automatic acquisition device suitable for field
CN207379782U (en) Surrounding air sampler
CN207439766U (en) A kind of totally enclosed type gas sampler
CN206832531U (en) A kind of vacuum gas sampler
CN204789274U (en) Anti hydrogen induced cracking container for experiment
CN209673446U (en) A kind of water sample automatic acquisition device suitable for field
CN208125441U (en) Fluid sampling device
CN206960175U (en) A kind of seawater sample bottle removes device of air
CN207243447U (en) A kind of vacuum drawing liquid frock
CN218692208U (en) Floating explosive collecting device for detonator assembly production
CN217561061U (en) Exhaust gas sampler without vacuum treatment
CN213209637U (en) A device for natural gas sample and hydrogen sulfide detect
CN201852727U (en) Smoke sampler of back-suction-prevention flue
CN205863283U (en) Batteries of electric automobile priming device
CN201628677U (en) Automatic micro liquid sampling device
CN215492689U (en) Bubble absorption tube for detecting indoor ambient air
CN208356814U (en) Gas collector is used in a kind of detection of chemical analysis
CN208334344U (en) A kind of water quality detecting device facilitating sampling

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant