CN106989964A - A kind of experimental system for testing the discharge of crude oil storage tank loss through breathing - Google Patents

A kind of experimental system for testing the discharge of crude oil storage tank loss through breathing Download PDF

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Publication number
CN106989964A
CN106989964A CN201610040054.XA CN201610040054A CN106989964A CN 106989964 A CN106989964 A CN 106989964A CN 201610040054 A CN201610040054 A CN 201610040054A CN 106989964 A CN106989964 A CN 106989964A
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China
Prior art keywords
storage tank
breathing
loss
sampling
crude oil
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CN201610040054.XA
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Inventor
林日亿
王新伟
苗明强
韩超杰
翟翀
周广响
孙东
郑炜博
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China University of Petroleum East China
Technology Inspection Center of Sinopec Shengli Oilfield Co
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China University of Petroleum East China
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Priority to CN201610040054.XA priority Critical patent/CN106989964A/en
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    • 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
    • G01N1/42Low-temperature sample treatment, e.g. cryofixation
    • 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
    • G01N1/22Devices for withdrawing samples in the gaseous state
    • G01N1/24Suction devices
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/26Oils; Viscous liquids; Paints; Inks
    • G01N33/28Oils, i.e. hydrocarbon liquids
    • G01N33/2823Raw oil, drilling fluid or polyphasic mixtures

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  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Biochemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Pathology (AREA)
  • Immunology (AREA)
  • General Physics & Mathematics (AREA)
  • General Health & Medical Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Analytical Chemistry (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Medicinal Chemistry (AREA)
  • Food Science & Technology (AREA)
  • General Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Biomedical Technology (AREA)
  • Molecular Biology (AREA)
  • Sampling And Sample Adjustment (AREA)

Abstract

A kind of experiment test scheme discharged for storage tank loss through breathing, is a kind of experimental system for testing the discharge of crude oil storage tank loss through breathing.It is made up of sealing acquisition system 001, cooling system 002, branch road voltage divider system 003, sampling collection system 004.Sealing acquisition system is made up of parts such as storage tank breather valve, sealing collector, pressure gauges;Cooling system is made up of condenser pipe, zero degrees celsius bottle and subzero 80 degrees Celsius of bottles etc.;Branch road voltage divider system is made up of pressure safety valve, flowmeter etc.;Sample acquisitions system is made up of sampling aspiration pump, airbag or sampling needle tubing etc..The gas of storage tank loss through breathing is entered after cooling system, cooled dehydrated by conduit from the sealed acquisition system of breather valve and enters subzero 80 degree of bottles to C3, C4 components carry out condensation sampling.Consider the extremely unstability of field tank loss through breathing, therefore branch road voltage divider system is set, to ensure the safe and reliable of test.Finally, breathing gas is collected sampling through flowmeter into sampling collection system.

Description

A kind of experimental system for testing the discharge of crude oil storage tank loss through breathing
Technical field
The present invention relates to a kind of experimental evaluation system, and in particular to the detection and sampling of crude oil storage tank loss through breathing discharge, influence The test analysis probed into breathing gas of factor, belongs to oil field loss detection field.
Background technology
Petroleum and petrochemical industry is used as one of AND ENERGY RESOURCES CONSUMPTION IN CHINA and the main industries of greenhouse gas emission, its energy-saving and emission-reduction action pair China realizes that per Unit GDP Energy Consumption and the intensity targets of CO2 emission have a major impact during " 12 ".Therefore, 2011 Since year, the relevant departments such as State Council, the Ministry of Industry and Information Technology, National Development and Reform Commission put into effect《Petrochemical industry and chemical industry " 12 " development plan》、《Petrochemical industry and chemical industry energy-saving and emission-reduction instruction》Etc. a series of policies, suggestion, to promote Enter petroleum and petrochemical industry and realize low carbon development.
In oil gas production upstream link, crude oil storage tank is maximum greenhouse gas emission source, accounts for the 42% of total release. Contain substantial amounts of CH in the gas that storage tank is volatilized4, methane is a kind of highly effective fuel, while being also a kind of main greenhouse gas Body, for unit formula number, the greenhouse effects of methane are CO221 times of greenhouse effects.Substantial amounts of methane spills into ring In border, cause to waste the substantial amounts of energy while greenhouse effects.Therefore, crude oil storage tank greenhouse gas emission model is carried out And the basic research in terms of control method, the high efficiente callback of the energy is utilized and realized the low-carbon environment-friendly of crude oil production process It is significant.
Because Oil Field multi-purpose station operating mode is different, collects defeated mode and differ, handling process is also not quite similar, therefore causes various Uncertain factor is, it is necessary to different multi-purpose stations, different technological processes, different storage tank present situations, formulate different surveys Amount method.Other research process needs substantial amounts of technological improvement and puts into substantial amounts of manpower and materials to ensure that measurement is accurate.So Nowadays for the test of crude oil storage tank loss through breathing, do not formed and a set of rationally complete be applied to various operating modes and precision The experimental evaluation system of higher test crude oil storage tank loss through breathing discharge.
The content of the invention
With reference to scene, due to there are two breathing valves diversified in specifications above storage tank tank deck, the difficulty of on-the-spot test is caused, and And receipts sample is acquired to the gas that breather valve breathes out without general harvester, thus invent this test system.
It is an object of the invention to provide a kind of experimental system for testing the discharge of crude oil storage tank loss through breathing, realization is exhaled crude oil storage tank The accurate measurement of loss discharge is inhaled, the dehydration of gas and the processing of gas sampled is sampled, analyzing influence crude oil storage tank is exhaled Inhale the factor of loss discharge.
The present invention provides a kind of experimental system for testing the discharge of crude oil storage tank loss through breathing, and the system is used for crude oil loss through breathing Test and sampling, are made up of sealing acquisition system, cooling system, branch road voltage divider system, sampling collection system etc.;Sealing is adopted There are two sealing collectors in collecting system, one is used for being fully sealed for breather valve, and a sealing for being used for breather valve is sampled. Cooling system is made up of two low-temperature insulations bottle, and condenser pipe is housed in vacuum flask, is sampled the dehydration of gas, and it is a certain into The condensation sampling divided.
A kind of experimental system for test crude oil storage tank loss through breathing discharge that the present invention is provided, it is characterised in that:Seal collector Can efficiently and accurately the collection crude oil storage tank gas that breathes out, the problems such as will not occurring poorly sealed gas leakage air inlet cause During sampling and measuring by storage tank outside air disturb, so as to ensure sampling it is accurate and reliable.In addition, sealing collector by Fire-proof and explosion-proof high temperature-proof material is made, and utilizes flexible hose sealing, it is ensured that continuous monitoring it is safe and reliable.
A kind of experimental system for test crude oil storage tank loss through breathing discharge that the present invention is provided, it is characterised in that:Cooling system by Two low-temperature insulation bottles of zero degree bottle and subzero 80 degree of bottles are constituted, and the condensation in condenser pipe, zero degree bottle is inserted with low-temperature insulation bottle Manage the dehydration for sample gas.Condenser pipe in subzero 80 degree of bottles is used for C3, and the condensation of C4 components is sampled.It is two low The temperature of warm vacuum flask is converted dry ice by alcohol and is controlled.This cooling system can be dehydrated efficiently to sample gas, And carry out the condensation sampling of related component.
Of the present invention is a kind of experimental system for testing the discharge of crude oil storage tank loss through breathing, it is characterised in that:Consider joint The extremely unstability of storage tank internal respiration of standing loss, the factor such as weather, sunshine, temperature, oil quality, oil transferring is to storage tank Loss through breathing have considerable influence, be likely to occur super-flow in some time, thus set branch road voltage divider system, with ensure survey That measures is safe and reliable.
A kind of experimental system for test crude oil storage tank loss through breathing discharge that the present invention is provided, it is characterised in that:Multi-purpose station scene For high-risk environment, breathing gas has inflammable and explosive possibility, therefore all flowmeters of live testing are not optional, flow Meter needs special manufacture selection.(it is required that:The features such as purely mechanic, sensitivity is high, integrated flow scope is big, frictional resistance is small.)
A kind of experimental system for test crude oil storage tank loss through breathing discharge that the present invention is provided, it is characterised in that:Exhaled to storage tank Suction flow possesses on the basis of substantially estimation, and aspiration pump is sampled using air, specified flow is set, first to passing through cooling system The sample gas of system is extracted in advance, time about 3min, the air being mixed into remove device, it is ensured that gas sampled it is pure.
Brief description of the drawings
Accompanying drawing:A kind of experimental system schematic diagram for testing the discharge of crude oil storage tank loss through breathing;Each component names are as follows:
1-crude oil storage tank, 2-storage tank breather valve, 3-sealing collector, 4-pressure gauge, 5-rubber conduit, 6-0 DEG C of guarantor Warm bottle, 7-condenser pipe, 8-subzero 80 DEG C of vacuum flask, 9-pressure safety valve, 10-electronics protected against explosion delicate flow meter 1, 11-electronics protected against explosion delicate flow meter 2,12-electronics protected against explosion sampling aspiration pump, 13-airbag;Sealing acquisition system -001, Cooling system -002, branch road voltage divider system -003, sampling collection system -004.
Wherein, sealing acquisition system 001 is made up of storage tank breather valve (2), sealing collector (3), pressure gauge (4);It is cold But system 002 is made up of condenser pipe (7), 0 DEG C of vacuum flask (6) and subzero 80 DEG C of vacuum flask (8) etc.;Branch road partial pressure system System 003 is made up of pressure safety valve (9), flowmeter (10) (11);Sample acquisitions system 004 by sampling aspiration pump (12), Airbag (13) or sampling needle tubing are constituted.
Embodiment
It is described in detail the present invention below in conjunction with the accompanying drawings:
Accompanying drawing 1 show a kind of experimental system for test crude oil storage tank loss through breathing discharge that the present invention is provided, and is gathered by sealing System, cooling system, branch road voltage divider system, sampling collection system composition.Acquisition system is sealed by storage tank breather valve, sealing The parts such as collector, pressure gauge are constituted;Cooling system is made up of condenser pipe, zero degree bottle and subzero 80 degree of bottles etc.;Branch road point Pressure system is made up of pressure safety valve, flowmeter etc.;Sample acquisitions system is by structures such as sampling aspiration pump, airbag or sampling needle tubings Into.
Specific technological process is:Two sealing collectors included in acquisition system are sealed, one is used for storage tank breather valve Be fully sealed, one be used for breather valve loss through breathing test and collection.The gas of storage tank loss through breathing is from breather valve through close Seal after harvester, cooling system is entered by conduit, cooling system is made up of zero degree bottle and subzero 80 degree of bottles, zero degree bottle For the dehydration of sample gas, the hydrogenesis in sample gas, passage are prevented.Breathing gas enters after dehydration Subzero 80 degree of bottles carry out condensation sampling to C3, C4 components.The temperature of cooling system is converted dry ice by alcohol and is controlled. Live various factors is considered to the extremely unstability caused by storage tank loss through breathing, in some time it is possible that unstable or super Big flow, so the device such as pressure safety valve and branch road and flowmeter is set, to ensure the safe and reliable of measurement.Finally, exhale Air-breathing body enters the collection sampling that sample collection system carries out storage tank breathing gas through flowmeter, to treat follow-up detection and analysis.
The effect that the technology of the present invention can be realized:
1) this test system can efficiently and accurately collection crude oil storage tank breathing discharge gas, will not occur poorly sealed, gas leakage The problems such as air inlet and cause during sampling and measuring the air outside by storage tank to disturb, so as to ensure the accurate and reliable of sampling.
2) this test system considers the unstability of storage tank loss through breathing, sets pressure safety valve and branch road and flowmeter, it is ensured that The accurate safety of test.
3) efficiently sample gas can be dehydrated by this test system, and carries out the condensation sampling of related component.
4) this test system is big using Purely mechanical flowmeter, sensitivity height, integrated flow scope, measures storage tank loss through breathing Flow when, it is safe and reliable.
5) the sealing sampling process highly effective of this test system, branch road voltage divider system is safe and reliable, generally simple and practical, Accurately and reliably, it is applied widely, a wide range of monitoring of storage tank loss through breathing is sampled available for oil field.

Claims (6)

1. the present invention provides a kind of experimental system for testing the discharge of crude oil storage tank loss through breathing, the system is used for the test and sampling of crude oil storage tank loss through breathing, is made up of sealing acquisition system, cooling system, branch road voltage divider system, sampling collection system etc.;There are two sealing collectors in sealing acquisition system, one is used for being fully sealed for breather valve, and a sealing for being used for breather valve is sampled.Cooling system is made up of two low-temperature insulation bottles, and condenser pipe is housed in vacuum flask, is sampled the dehydration of gas, and the condensation of a certain composition is sampled.
2. a kind of experimental system for test crude oil storage tank loss through breathing discharge that the present invention is provided, it is characterised in that:Sealing collector can efficiently and accurately the collection crude oil storage tank gas that breathes out, the problems such as will not occurring poorly sealed gas leakage air inlet cause during sampling and measuring the air outside by storage tank to disturb, accurate and reliable so as to ensure to sample.In addition, sealing collector is made up of fire-proof and explosion-proof high temperature-proof material, and utilize flexible hose sealing, it is ensured that continuous monitoring it is safe and reliable.
3. a kind of experimental system for test crude oil storage tank loss through breathing discharge that the present invention is provided, it is characterised in that:Cooling system is made up of two low-temperature insulation bottles of zero degree bottle and subzero 80 degree of bottles, and the condenser pipe being inserted with low-temperature insulation bottle in condenser pipe, zero degree bottle is used for the dehydration of sample gas.Condenser pipe in subzero 80 degree of bottles is used for C3, and the condensation of C4 components is sampled.The temperature of two low-temperature insulation bottles is converted dry ice by alcohol and is controlled.This cooling system can be dehydrated efficiently to sample gas, and carry out the condensation sampling of related component.
4. a kind of experimental system for test crude oil storage tank loss through breathing discharge that the present invention is provided, it is characterised in that:Multi-purpose station scene is high-risk environment, and breathing gas has inflammable and explosive possibility, therefore all flowmeters of live testing are not optional, and flowmeter needs special manufacture selection.(it is required that:The features such as purely mechanic, sensitivity is high, integrated flow scope is big, frictional resistance is small.) .
5. of the present invention is a kind of experimental system for testing the discharge of crude oil storage tank loss through breathing, it is characterised in that:Consider the extremely unstability of multi-purpose station storage tank internal respiration loss, the factors such as weather, sunshine, temperature, oil quality, oil transferring have considerable influence to the loss through breathing of storage tank, super-flow is likely to occur in some time, so branch road voltage divider system is set, to ensure the safe and reliable of measurement.
6. of the present invention is a kind of experimental system for testing the discharge of crude oil storage tank loss through breathing, it is characterised in that:Seal the highly effective of sampling process, branch road voltage divider system it is safe and reliable, this experimental system is simple and practical, high efficient and reliable, and a wide range of monitoring of storage tank loss through breathing is sampled available for oil field.
CN201610040054.XA 2016-01-21 2016-01-21 A kind of experimental system for testing the discharge of crude oil storage tank loss through breathing Pending CN106989964A (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109946196A (en) * 2019-03-15 2019-06-28 常州大学 The breathing loss test device and test method of a kind of liquid in a natural environment
CN113820075A (en) * 2020-06-18 2021-12-21 中国石油天然气集团有限公司 Methane detection real-time detection device of oil gas fixed top storage tank
CN114441164A (en) * 2021-12-21 2022-05-06 合肥通用机械研究院有限公司 Balance composite test system and method for low-temperature breather valve
CN114441166A (en) * 2021-12-21 2022-05-06 合肥通用机械研究院有限公司 Ultralow temperature and micro-positive pressure coupling generation device

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109946196A (en) * 2019-03-15 2019-06-28 常州大学 The breathing loss test device and test method of a kind of liquid in a natural environment
CN113820075A (en) * 2020-06-18 2021-12-21 中国石油天然气集团有限公司 Methane detection real-time detection device of oil gas fixed top storage tank
CN114441164A (en) * 2021-12-21 2022-05-06 合肥通用机械研究院有限公司 Balance composite test system and method for low-temperature breather valve
CN114441166A (en) * 2021-12-21 2022-05-06 合肥通用机械研究院有限公司 Ultralow temperature and micro-positive pressure coupling generation device
CN114441164B (en) * 2021-12-21 2023-10-03 合肥通用机械研究院有限公司 Balance composite test system and method for low-temperature breather valve
CN114441166B (en) * 2021-12-21 2024-02-20 合肥通用机械研究院有限公司 Ultralow temperature and micro-positive pressure coupling generating device

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Inventor after: Sun Dong

Inventor after: Zheng Weibo

Inventor after: Lin Riyi

Inventor after: Wang Xinwei

Inventor after: Miao Mingqiang

Inventor after: Han Chaojie

Inventor after: Zhai Li

Inventor after: Zhou Guangxiang

Inventor before: Lin Riyi

Inventor before: Wang Xinwei

Inventor before: Miao Mingqiang

Inventor before: Han Chaojie

Inventor before: Zhai Li

Inventor before: Zhou Guangxiang

Inventor before: Sun Dong

Inventor before: Zheng Weibo

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Effective date of registration: 20181123

Address after: 257000 No. 480 Xierlu, Dongying City, Shandong Province

Applicant after: Technical Testing Center of Shengli Oilfield Branch of Sinopec

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Address before: 266580 No. 66 Changjiang West Road, Qingdao economic and Technological Development Zone, Qingdao, Shandong

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Application publication date: 20170728