CN108680709A - A kind of evaluating apparatus of oxygen scavenger performance - Google Patents
A kind of evaluating apparatus of oxygen scavenger performance Download PDFInfo
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- CN108680709A CN108680709A CN201810601829.5A CN201810601829A CN108680709A CN 108680709 A CN108680709 A CN 108680709A CN 201810601829 A CN201810601829 A CN 201810601829A CN 108680709 A CN108680709 A CN 108680709A
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- 229940123973 Oxygen scavenger Drugs 0.000 title claims abstract description 37
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 90
- 239000012530 fluid Substances 0.000 claims abstract description 76
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 51
- 239000001301 oxygen Substances 0.000 claims abstract description 51
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 51
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 44
- 239000007788 liquid Substances 0.000 claims abstract description 42
- 239000002699 waste material Substances 0.000 claims description 5
- 229910001873 dinitrogen Inorganic materials 0.000 claims description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 27
- 238000000034 method Methods 0.000 abstract description 21
- 238000005070 sampling Methods 0.000 abstract description 13
- 230000008569 process Effects 0.000 abstract description 11
- 238000002474 experimental method Methods 0.000 abstract description 9
- 230000004888 barrier function Effects 0.000 abstract description 3
- 239000003208 petroleum Substances 0.000 abstract description 2
- 238000011156 evaluation Methods 0.000 description 12
- 108010041986 DNA Vaccines Proteins 0.000 description 6
- 229940021995 DNA vaccine Drugs 0.000 description 6
- 239000007789 gas Substances 0.000 description 6
- 238000006392 deoxygenation reaction Methods 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- 238000001514 detection method Methods 0.000 description 3
- 239000011572 manganese Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- NLKNQRATVPKPDG-UHFFFAOYSA-M potassium iodide Chemical compound [K+].[I-] NLKNQRATVPKPDG-UHFFFAOYSA-M 0.000 description 3
- ZCYVEMRRCGMTRW-UHFFFAOYSA-N 7553-56-2 Chemical compound [I] ZCYVEMRRCGMTRW-UHFFFAOYSA-N 0.000 description 2
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 2
- IOVCWXUNBOPUCH-UHFFFAOYSA-M Nitrite anion Chemical compound [O-]N=O IOVCWXUNBOPUCH-UHFFFAOYSA-M 0.000 description 2
- PXIPVTKHYLBLMZ-UHFFFAOYSA-N Sodium azide Chemical compound [Na+].[N-]=[N+]=[N-] PXIPVTKHYLBLMZ-UHFFFAOYSA-N 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000010408 film Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 description 2
- 229910052740 iodine Inorganic materials 0.000 description 2
- 239000011630 iodine Substances 0.000 description 2
- 229910052748 manganese Inorganic materials 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000011017 operating method Methods 0.000 description 2
- NROKBHXJSPEDAR-UHFFFAOYSA-M potassium fluoride Chemical compound [F-].[K+] NROKBHXJSPEDAR-UHFFFAOYSA-M 0.000 description 2
- 238000001556 precipitation Methods 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 239000010409 thin film Substances 0.000 description 2
- 238000004448 titration Methods 0.000 description 2
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- TZRXHJWUDPFEEY-UHFFFAOYSA-N Pentaerythritol Tetranitrate Chemical compound [O-][N+](=O)OCC(CO[N+]([O-])=O)(CO[N+]([O-])=O)CO[N+]([O-])=O TZRXHJWUDPFEEY-UHFFFAOYSA-N 0.000 description 1
- 229920002472 Starch Polymers 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 238000003556 assay Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000009432 framing Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- XMBWDFGMSWQBCA-UHFFFAOYSA-M iodide Chemical compound [I-] XMBWDFGMSWQBCA-UHFFFAOYSA-M 0.000 description 1
- 229940006461 iodide ion Drugs 0.000 description 1
- 239000006193 liquid solution Substances 0.000 description 1
- 229940099596 manganese sulfate Drugs 0.000 description 1
- 239000011702 manganese sulphate Substances 0.000 description 1
- 235000007079 manganese sulphate Nutrition 0.000 description 1
- SQQMAOCOWKFBNP-UHFFFAOYSA-L manganese(II) sulfate Chemical compound [Mn+2].[O-]S([O-])(=O)=O SQQMAOCOWKFBNP-UHFFFAOYSA-L 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000002332 oil field water Substances 0.000 description 1
- 239000011698 potassium fluoride Substances 0.000 description 1
- 235000003270 potassium fluoride Nutrition 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- AKHNMLFCWUSKQB-UHFFFAOYSA-L sodium thiosulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=S AKHNMLFCWUSKQB-UHFFFAOYSA-L 0.000 description 1
- 235000019345 sodium thiosulphate Nutrition 0.000 description 1
- 235000019698 starch Nutrition 0.000 description 1
- 239000008107 starch Substances 0.000 description 1
- 239000003115 supporting electrolyte Substances 0.000 description 1
- 229960005486 vaccine Drugs 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/26—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating electrochemical variables; by using electrolysis or electrophoresis
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Pathology (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Physics & Mathematics (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Food Science & Technology (AREA)
- Medicinal Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Molecular Biology (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Investigating Or Analyzing Non-Biological Materials By The Use Of Chemical Means (AREA)
- Food Preservation Except Freezing, Refrigeration, And Drying (AREA)
Abstract
The invention discloses a kind of evaluating apparatus of oxygen scavenger performance, are related to petroleum technology field.The evaluating apparatus includes：Nitrogen cylinder, the first fluid reservoir, the second fluid reservoir and retort, wherein, nitrogen cylinder is connected to the first fluid reservoir by the first valve, first fluid reservoir is connected to retort by the second valve, second fluid reservoir is connected to retort by third valve, and retort is connected to the first fluid reservoir by the 4th valve.Evaluating apparatus provided by the invention, it can effectively avoid in sampling process, the problem of subsequent experimental caused by water sample exposes oxygen can not carry out, in sampling process, the nitrogen in nitrogen cylinder is directly controlled by the first valve and enters the first fluid reservoir, dissolved oxygen content can be reduced, the prepare liquid in the first fluid reservoir is made to meet experiment demand, does not need additional oxygen barrier equipment.
Description
Technical field
The present invention relates to the evaluations of petroleum technology field more particularly to a kind of oxygen scavenger performance suitable for oil field extracted water
Device.
Background technology
The presence of oxygen in water can increase substantially the corrosivity of water.For oil field, oil field extracted water
Oxygen content is excessively high to will produce prodigious influence.In practical application in industry, deoxygenation is mainly carried out by oxygen scavenger, and is limited to ring
The practical deaerating effect of the influence of many factors such as border, the composition of water, pH value, various oxygen scavengers is different, and therefore, it is necessary to right
The deoxygenation performance of oxygen scavenger is evaluated.
Currently, the evaluation method of evaluation oxygen scavenger deoxygenation performance is SY/T 5889-2010《Oxygen scavenger performance evaluation side
Method》.The evaluation procedure of this method has a closed, oxygen-impermeable requirement, whole process must considered critical nitrogen, the otherwise oxygen in air
It can quickly enter in water sample, cause test crash, and need frequently to sample and titrate in defined experimentation, experiment knot
Fruit is difficult to obtain, and being susceptible to error causes measurement result inaccurate, while can not in high volume operate, and cannot meet industry
Production requirement.
Invention content
The technical problem to be solved by the present invention is in view of the deficiencies of the prior art, provide a kind of evaluation of oxygen scavenger performance
Device.
The technical solution that the present invention solves above-mentioned technical problem is as follows：
A kind of evaluating apparatus of oxygen scavenger performance, including：Nitrogen cylinder, the first fluid reservoir, the second fluid reservoir and retort,
In, the nitrogen cylinder is connected to first fluid reservoir by the first valve, and first fluid reservoir passes through with the retort
Second valve is connected to, and second fluid reservoir is connected to the retort by third valve, the retort and described first
Fluid reservoir is also connected to by the 4th valve, and first fluid reservoir is for storing prepare liquid, and second fluid reservoir is for storing
Oxygen scavenger, the nitrogen cylinder are used to control the dissolved oxygen content of the prepare liquid.
The beneficial effects of the invention are as follows：Evaluating apparatus provided by the invention can be avoided effectively in sampling process, and water sample exposes
The problem of subsequent experimental caused by oxygen can not carry out directly controls the nitrogen in nitrogen cylinder in sampling process by the first valve
Gas enters the first fluid reservoir, so that it may to reduce dissolved oxygen content, so that the prepare liquid in the first fluid reservoir is met experiment demand, be not required to
Want additional oxygen barrier equipment.
The sampling amount of single water sample can be improved in this way, can be suitable for the performance evaluation of the oxygen scavenger of batch, Neng Gouti
The efficiency of height experiment, keeps the height of specimen in experimentation consistent, and then improves the accuracy of data.
Also, it is evaluated using above-mentioned apparatus, it is stringent can to avoid frequently sampling, titrate in experimentation etc. requirements
Operating procedure has also effectively evaded possible exposure oxygen risk in test sampling process.
The advantages of additional aspect of the invention, will be set forth in part in the description, and will partly become from the following description
It obtains obviously, or practice is recognized through the invention.
Description of the drawings
Fig. 1 is a kind of structure diagram that one embodiment of the evaluating apparatus of oxygen scavenger performance provides of the present invention；
Fig. 2 is a kind of structural schematic diagram that the other embodiment of the evaluating apparatus of oxygen scavenger performance provides of the present invention.
Specific implementation mode
The principle and features of the present invention will be described below with reference to the accompanying drawings, and illustrated embodiment is served only for explaining the present invention,
It is not intended to limit the scope of the present invention.
As shown in Figure 1, for a kind of structural framing that one embodiment of the evaluating apparatus of oxygen scavenger performance provides of the present invention
Figure, the evaluating apparatus include：Nitrogen cylinder 1, the first fluid reservoir 2, the second fluid reservoir 3 and retort 4, wherein nitrogen cylinder 1 and first
Fluid reservoir 2 is connected to by the first valve 5, and the first fluid reservoir 2 is connected to retort 4 by the second valve 6, the second fluid reservoir 3 with
Retort 4 is connected to by third valve 7, and retort 4 is also connected to by the 4th valve 8 with the first fluid reservoir 2, the first fluid reservoir 2
For storing prepare liquid, the second fluid reservoir 3 is used to control the dissolved oxygen content of prepare liquid for storing oxygen scavenger, nitrogen cylinder 1.
It should be understood that the connection between above-mentioned each structure or equipment, can be connected to by pipeline, for example, being arranged on nitrogen cylinder 1
There is gas outlet, air inlet is provided on the first fluid reservoir 2, then a hose or hard tube can be selected, is connected on nitrogen cylinder 1 respectively
Gas outlet and the first fluid reservoir 2 air inlet at, be sealed, be achieved that the connection of nitrogen cylinder 1 and the first fluid reservoir 2,
Other are similarly repeated no more.
It should be understood that in order to realize the turn-on and turn-off controlled between each structure or equipment, each valve setting in each structure or
In the pipeline of connection between equipment, when valve is opened, the structure of pipeline both ends connection or equipment conducting, when valve is closed, pipe
The structure of line both ends connection or equipment shutdown.
For example, being connected to by the first valve 5 with the first fluid reservoir 2 for nitrogen cylinder 1, pipeline A and pipeline B can be used,
There are two ports by pipeline A, are connect respectively with the air inlet of the gas outlet of nitrogen cylinder 1 and the first valve 5, and also there are two ends by pipeline B
Mouthful, it can also be connect respectively with the gas outlet of the air inlet of the first fluid reservoir 2 and the first valve 5, to realize nitrogen cylinder 1 and the
One fluid reservoir 2 is connected to by the first valve 5, other connection relations similarly, repeat no more.
It should be noted that C can be denoted as with the dissolved oxygen content of measured in advance prepare liquid0, it should be appreciated that measure prepare liquid
Solution oxygen content, be to evaluate the performance of oxygen scavenger, C0It should be the dissolved oxygen content after nitrogen cylinder 1 leads to nitrogen treatment.
For example, can be the original dissolved oxygen content of the accessing pending water of Oil Field, or set according to actual demand
The original dissolved oxygen content set.
It is appreciated that before starting experiment, the dissolved oxygen content for the prepare liquid being stored in the first fluid reservoir 2 can be
C ' makes C ' become C after the logical nitrogen treatment by nitrogen cylinder 10。
Specifically, for the original dissolved oxygen content of the accessing pending water of Oil Field, following methods measurement may be used.
Iodimetric titration：Manganese sulfate and alkaline potassium iodide are added in accessing pending water, low price manganese is oxidized to by the dissolved oxygen in water
Value Mn generates the hydroxide precipitation of tetravalent manganese.After acid adding, hydroxide precipitation dissolves and reacts and release with iodide ion
Iodine makees indicator with starch, titrates iodine with sodium thiosulfate, can calculate the content of dissolved oxygen.
Sodium azide revised law：Interference iodimetric titration surveys dissolved oxygen when containing nitrite in accessing pending water, and nitrine can be added
Change sodium, water nitrite is made to decompose, to eliminate interference.When without other redox materials, if containing Fe in water sample3+It reaches
When 100-200mg/L, 40% potassium fluoride solutions of 1mL can be added, to eliminate interference.
Film-electrode method：The metal electrode and optional membrane that oxygen sensitive thin film electrode is in contact by two with supporting electrolyte
Composition, oxygen are restored through diaphragm by working electrode, are generated the dissufion current directly proportional to oxygen concentration and are obtained by measuring this electric current
To the concentration of oxygen in water.
For the dissolved oxygen content C of prepare liquid0, can detecting electrode be set in the first fluid reservoir 2, pass through detecting electrode
Obtain the dissolved oxygen content of prepare liquid.
The workflow of the evaluating apparatus is illustrated below.
First, the first valve 5, the second valve 6 and the 4th valve 8 are opened, the nitrogen in nitrogen cylinder 1 is made to enter the first liquid storage
Tank 2 controls the dissolved oxygen content of prepare liquid in the first fluid reservoir 2, reaches C0。
It is appreciated that other control valves can also be arranged at the top of the first fluid reservoir 2, to realize to the first fluid reservoir 2
The control of interior pressure, in order to control the dissolved oxygen content in prepare liquid.
When the dissolved oxygen content of prepare liquid in the first fluid reservoir 2 reaches C0Afterwards, the first valve 5 and the 4th valve 8 are closed, is beaten
Third valve 7 is opened, the oxygen scavenger in the second fluid reservoir 3 is made to be included in retort 4, and the prepare liquid in the first fluid reservoir 2 is made to enter
Retort 4 is fully reacted in retort 4, is removed the dissolved oxygen content in prepare liquid, then can be measured, and is obtained anti-
Dissolved oxygen content after answering in prepare liquid, is denoted as C.
It is appreciated that the original dissolved oxygen of the accessing pending water of said determination Oil Field may be used in assay method here
The method of content, details are not described herein.
It should be understood that for ease of measuring, retort 4 can be arranged to detachable, the prepare liquid after being reacted convenient for taking-up；
A fluid reservoir can also be reconnected in retort 4, dedicated for measuring the prepare liquid after reacting；It can also be in retort 4
Middle setting detecting electrode, is directly detected oxygen content.
The C and C that last basis obtains0DNA vaccine is obtained, the performance of oxygen scavenger can be evaluated with DNA vaccine.
DNA vaccine formula is as follows：
Wherein, E is DNA vaccine, and the performance for evaluating oxygen scavenger, E values are bigger, illustrates that deaerating effect is better, C0It is not add
When oxygen scavenger, dissolved oxygen concentration in prepare liquid, unit is mg/L；C is dissolved oxygen concentration in prepare liquid after adding oxygen scavenger, unit
It is mg/L.
Evaluating apparatus provided in this embodiment can be avoided effectively in sampling process, and water sample exposes subsequent experimental caused by oxygen
The problem of can not carrying out, directly controls the nitrogen in nitrogen cylinder 1 by the first valve 5 and enters the first liquid storage in sampling process
Tank 2, so that it may to reduce dissolved oxygen content, the prepare liquid in the first fluid reservoir 2 be made to meet experiment demand, not need additionally oxygen barrier
Equipment.
The sampling amount of single water sample can be improved in this way, can be suitable for the performance evaluation of the oxygen scavenger of batch, Neng Gouti
The efficiency of height experiment, keeps the height of specimen in experimentation consistent, and then improves the accuracy of data.
Also, it is evaluated using above-mentioned apparatus, it is stringent can to avoid frequently sampling, titrate in experimentation etc. requirements
Operating procedure has also effectively evaded possible exposure oxygen risk in test sampling process.
Optionally, in some embodiments, can also include：Third fluid reservoir, third fluid reservoir and retort 4 pass through the
Five valves are connected to, and third fluid reservoir is for storing the waste liquid after prepare liquid is reacted with oxygen scavenger.
Optionally, in some embodiments, can also include：Electrode, electrode be connected to retort 4 and third fluid reservoir it
Between, electrode is used to measure the dissolved oxygen content of waste liquid.
It should be noted that electrode is detecting electrode, can be the oxygen sensitive thin film electrode in film detection method, testing principle
With film detection method, details are not described herein.
It is detected by electrode, the leakproofness of system can be improved, the oxygen in air is prevented to be mixed into, it is accurate to reduce evaluation
Exactness.
Optionally, in some embodiments, can also include：Heater, heater are arranged in retort 4.
By the way that heater is arranged, the temperature in retort 4 can be made to reach the temperature of setting, the accurate of evaluation can be improved
Degree.
Optionally, in some embodiments, can also include：First metering pump, the first metering pump are connected to the first liquid storage
Between tank 2 and retort 4, the flow for controlling prepare liquid.
By the way that the first metering pump is arranged, the dosage of prepare liquid can be more precisely controlled, evaluation can be further increased
Confidence level and accuracy.
Preferably, can according to residence time of the oil field production scene water in retort 4 and the volume of retort 4, if
The flow of fixed first metering pump, keeps residence time of the prepare liquid in retort 4 actually identical as produced on-site.
Optionally, in some embodiments, can also include：Second metering pump, the second metering pump are connected to the second liquid storage
Between tank 3 and retort 4, the flow for controlling oxygen scavenger.
By the way that the second metering pump is arranged, the dosage of oxygen scavenger can be more precisely controlled, evaluation can be further increased
Confidence level and accuracy.
It preferably, can be according to the dosage of flow and oxygen scavenger setting that the first metering pump is set, the second meter of setting
Measure the flow of pump.
Optionally, in some embodiments, nitrogen cylinder 1 is also connected to retort 4 by the 6th valve, and nitrogen cylinder 1 is also used
Nitrogen gas concn in control retort 4.
Optionally, in some embodiments, can also include：Making-up air device, making-up air device are connected to nitrogen cylinder 1 and first
Between fluid reservoir 2.
Specifically, making-up air device can be arranged in the bottom of the first fluid reservoir 2, be convenient for 1 tonifying Qi of nitrogen cylinder.
Optionally, in some embodiments, can also include：Processor and display, processor are connect with electrode, are used for
According to the oxygen content for the prepare liquid that electrode detection arrives, the DNA vaccine of the oxygen scavenger is calculated in real time, and DNA vaccine is passed through into display
Device is shown.
It is illustrated below with a specific example.
As shown in Fig. 2, for a kind of structural representation that the other embodiment of the evaluating apparatus of oxygen scavenger performance provides of the present invention
Figure, on the basis of combining above-described embodiment, the present invention is further described.
The evaluating apparatus includes：Nitrogen cylinder 1, the first fluid reservoir 2, the second fluid reservoir 3, third fluid reservoir 9, retort 4, electricity
Pole 10, heater 11, the first metering pump 12, the second metering pump 13, making-up air device 14 and 10 valves.
Nitrogen cylinder 1, the first valve 5, the first fluid reservoir 2, the first metering pump 12, the second valve 6, retort 4, electrode 10,
4th valve 8, the first fluid reservoir 2 are sequentially connected, the second fluid reservoir 3, the second metering pump 13, third valve 7, the second valve 6 according to
Secondary connection, wherein heater 11 is arranged inside retort 4, and making-up air device 14 is connect with nitrogen cylinder 1, is arranged in the first liquid storage
The bottom of tank 2, nitrogen cylinder 1 are also connected to retort 4 by the 6th valve 16, electrode 10 also with the 5th valve 15, third liquid storage
Tank 9 is sequentially connected, and the top of third fluid reservoir 9 is provided with the 7th valve 17, and the bottom of third fluid reservoir 9 is provided with the 8th valve
18, the top of the first fluid reservoir 2 is provided with the 9th valve 19, and the bottom of the first fluid reservoir 2 is provided with the tenth valve 20.
In conjunction with the evaluating apparatus, the deoxygenation performance of oxygen scavenger is evaluated by the following method.
First, the original dissolved oxygen content of Oil Field accessing pending water is measured.
Water sample or simulated water sample that Oil Field obtains are transferred to the first fluid reservoir 2, the sampling of Oil Field water sample can not
It must carry out nitrogen protection.Oxygen scavenger to be evaluated is transferred to the second fluid reservoir 3.
The first valve 5, the second valve 6, the 4th valve 8 and the 9th valve 19 are opened, remaining valve is closed.
The first metering pump 12 and heater 11 are opened, the temperature in retort 4 is made to reach preset temperature.
Nitrogen is passed through in the first fluid reservoir 2, with the dissolved oxygen in nitrogen replacing water with air, then starts electrode 10, records water
The situation of change of middle dissolved oxygen.
When the detected value of electrode 10 reaches original dissolved oxygen content, the first valve 5, the 4th valve 8 are closed, opens third
Valve 7, the 5th valve 15 and the 7th valve 17 start that oxygen scavenger is added into retort 4, the reading of continuous recording electrode 10.
When reaching setting residence time of 5 times of water samples in retort 4 between when run continuously, experiment terminates, the reading of recording electrode 10
Number calculates DNA vaccine according to reading.
Exhaust gas after experiment can be discharged by the 7th valve 17, and waste liquid can be discharged by the 8th valve 18, the first storage
Prepare liquid in flow container 2 can be replaced by the 9th valve 19 and the tenth valve 20.
Reader should be understood that in the description of this specification reference term " one embodiment ", " is shown " some embodiments "
The description of example ", " specific example " or " some examples " etc. mean specific features described in conjunction with this embodiment or example, structure,
Material or feature are included at least one embodiment or example of the invention.In the present specification, above-mentioned term is shown
The statement of meaning property need not be directed to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described
It may be combined in any suitable manner in any one or more of the embodiments or examples.In addition, without conflicting with each other, this
The technical staff in field can be by the spy of different embodiments or examples described in this specification and different embodiments or examples
Sign is combined.
It is apparent to those skilled in the art that for convenience of description and succinctly, the dress of foregoing description
The specific work process with unit is set, can refer to corresponding processes in the foregoing method embodiment, details are not described herein.
In several embodiments provided herein, it should be understood that disclosed device and method can pass through it
Its mode is realized.For example, the apparatus embodiments described above are merely exemplary, for example, the division of unit, only
A kind of division of logic function, formula that in actual implementation, there may be another division manner, such as multiple units or component can combine or
Person is desirably integrated into another system, or some features can be ignored or not executed.
The unit illustrated as separating component may or may not be physically separated, and be shown as unit
Component may or may not be physical unit, you can be located at a place, or may be distributed over multiple networks
On unit.Some or all of unit therein can be selected according to the actual needs to realize the mesh of the embodiment of the present invention
's.
In addition, each functional unit in each embodiment of the present invention can be integrated in a processing unit, it can also
It is that each unit physically exists alone, can also be during two or more units are integrated in one unit.It is above-mentioned integrated
The form that hardware had both may be used in unit is realized, can also be realized in the form of SFU software functional unit.
It, can if integrated unit is realized in the form of SFU software functional unit and when sold or used as an independent product
To be stored in a computer read/write memory medium.Based on this understanding, technical scheme of the present invention substantially or
Say that all or part of the part that contributes to existing technology or the technical solution can embody in the form of software products
Out, which is stored in a storage medium, including some instructions are used so that a computer equipment
(can be personal computer, server or the network equipment etc.) executes all or part of each embodiment method of the present invention
Step.And storage medium above-mentioned includes：USB flash disk, read-only memory (ROM, Read-OnlyMemory), is deposited mobile hard disk at random
The various media that can store program code such as access to memory (RAM, RandomAccessMemory), magnetic disc or CD.
More than, specific implementation mode only of the invention, but scope of protection of the present invention is not limited thereto, and it is any to be familiar with
Those skilled in the art in the technical scope disclosed by the present invention, can readily occur in various equivalent modifications or substitutions,
These modifications or substitutions should be covered by the protection scope of the present invention.Therefore, protection scope of the present invention should be wanted with right
Subject to the protection domain asked.
Claims (8)
1. a kind of evaluating apparatus of oxygen scavenger performance, which is characterized in that including：Nitrogen cylinder, the first fluid reservoir, the second fluid reservoir and
Retort, wherein the nitrogen cylinder is connected to first fluid reservoir by the first valve, first fluid reservoir with it is described anti-
Answer tank to be connected to by the second valve, second fluid reservoir is connected to the retort by third valve, the retort with
First fluid reservoir is also connected to by the 4th valve, and first fluid reservoir is for storing prepare liquid, second fluid reservoir
For storing oxygen scavenger, the nitrogen cylinder is used to control the dissolved oxygen content of the prepare liquid.
2. evaluating apparatus according to claim 1, which is characterized in that further include：Third fluid reservoir, the third fluid reservoir
It is connected to by the 5th valve with the retort, the third fluid reservoir is reacted for storing the prepare liquid with the oxygen scavenger
Waste liquid afterwards.
3. evaluating apparatus according to claim 2, which is characterized in that further include：Electrode, the electrode are connected to described anti-
It answers between tank and the third fluid reservoir, the electrode is used to measure the dissolved oxygen content of the waste liquid.
4. evaluating apparatus according to claim 1, which is characterized in that further include：Heater, the heater are arranged in institute
It states in retort.
5. evaluating apparatus according to claim 1, which is characterized in that further include：First metering pump, first metering pump
It is connected between first fluid reservoir and the retort, the flow for controlling the prepare liquid.
6. evaluating apparatus according to claim 1, which is characterized in that further include：Second metering pump, second metering pump
It is connected between second fluid reservoir and the retort, the flow for controlling the oxygen scavenger.
7. evaluating apparatus according to any one of claim 1 to 6, which is characterized in that the nitrogen cylinder also with it is described anti-
Tank is answered to be connected to by the 6th valve, the nitrogen cylinder is additionally operable to control the nitrogen gas concn in the retort.
8. evaluating apparatus according to any one of claim 1 to 6, which is characterized in that further include：Making-up air device, it is described
Making-up air device is connected between the nitrogen cylinder and first fluid reservoir.
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