CN110686938B - Hydrogen oil sampling device and sampling method - Google Patents
Hydrogen oil sampling device and sampling method Download PDFInfo
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- 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
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/10—Devices for withdrawing samples in the liquid or fluent state
- G01N1/14—Suction devices, e.g. pumps; Ejector devices
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
- G01N1/34—Purifying; Cleaning
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- 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
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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
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.
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| CN201911095785.4A CN110686938B (en) | 2019-11-11 | 2019-11-11 | Hydrogen oil sampling device and sampling method |
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| CN201911095785.4A CN110686938B (en) | 2019-11-11 | 2019-11-11 | Hydrogen oil sampling device and sampling method |
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| CN110686938B true CN110686938B (en) | 2022-08-16 |
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| 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 |
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| 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 |
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| 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 oil 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 |
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