CN203365265U - Evaluation test device for oilfield corrosion inhibitor - Google Patents

Evaluation test device for oilfield corrosion inhibitor Download PDF

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Publication number
CN203365265U
CN203365265U CN 201320241947 CN201320241947U CN203365265U CN 203365265 U CN203365265 U CN 203365265U CN 201320241947 CN201320241947 CN 201320241947 CN 201320241947 U CN201320241947 U CN 201320241947U CN 203365265 U CN203365265 U CN 203365265U
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pipes
gas
many
test
test container
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CN 201320241947
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傅晓萍
李本高
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Sinopec Research Institute of Petroleum Processing
China Petroleum and Chemical Corp
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Sinopec Research Institute of Petroleum Processing
China Petroleum and Chemical Corp
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Abstract

The utility model provides an evaluation test device for an oilfield corrosion inhibitor. The evaluation test device comprises a rotation specimen method evaluation system and a tail gas treatment system, wherein the rotation specimen method evaluation system and the tail gas treatment system are connected in series, and the rotation specimen method evaluation system comprises a plurality of test containers and a gas supply unit which is used for independently supplying gas to each test container. The device can simultaneously perform multiple tests, so that the period of an evaluation test is effectively shortened, and the device effectively reduces pollution of the test on the environment.

Description

A kind of corrosion inhibitor for oil field evaluation experimental device
Technical field
The utility model relates to a kind of corrosion inhibitor for oil field evaluation experimental device, belongs to corrosion inhibiter evaluation and screening plant technical field.
Background technology
Oil field adopts " SY-T5273-2000 oil field extracted water corrosion inhibiter method of evaluating performance " to be estimated with the evaluation of corrosion inhibiter at present, standard has only mentioned that for the evaluating apparatus of rotary hanging plate method the test beaker is provided with air inlet (liquid) mouth and gas outlet, need sealing, oxygen barrier, there is no further the description for evaluating apparatus, and if only according to the brief appraisal device of mentioning in standard, estimate and be difficult for being operated.There is the researcher to improve evaluating apparatus, as CN201503425U discloses a kind of corrosion inhibitor evaluation testing device, it is comprised of carbon dioxide air source, sulfuretted hydrogen generating means, water bath with thermostatic control, a plurality of wide-necked bottle be connected in series and exhaust gas processing device, it has realized the purpose that a plurality of tests are carried out simultaneously, but its whole device is not with stirring apparatus.
For the ease of carrying out mechanism research, CN202305373U discloses the many interface corrosion test devices of a kind of atmospheric pressure sealed, specifically comprise opening glass reactor and opening glass reactor lid, and, as required in corrosion resistant plate or polyfluortetraethylene plate upper shed, the size of opening and position need to be arranged according to experiment.This device need to carry out opening according to test on reactor cap, good leak tightness, handling and easy to use, yet this device can only carry out the test of an experiment condition at every turn, efficiency is lower, this device is without emission-control equipment simultaneously, directly opens reactor cap after causing experiment to finish to cause environmental pollution serious.
The domestic and international evaluation of corrosion inhibitor for oil field also has to be estimated in autoclave, as CN201885854U discloses a kind of High Temperature High Pressure gas-liquid two-phase corrosion simulated experiment device, this device is comprised of heat insulation and heating equipment, high-temperature high-pressure reaction kettle, temperature detecting resistance, high-temperature high-pressure reaction kettle upper cover, draft tube, and it has realized can carrying out the corrosion simulated research of liquid and gas condensed fluid environment on same set of device simultaneously.Yet, owing to can only carry out the test of an experiment condition at every turn, efficiency is lower, and this device is without emission-control equipment, directly opens autoclave after causing experiment to finish to cause environmental pollution serious.
The utility model content
The purpose of this utility model is to provide a kind of can simultaneously effectively carry out a plurality of tests, and described a plurality of experiment corrosion inhibitor for oil field evaluation experimental device and this device environmentally safe that can under identical or different condition, carry out.
Inventor of the present utility model finds, the evaluating apparatus of prior art is because a plurality of wide-necked bottles and the gas source (comprising carbon dioxide air source and sulfuretted hydrogen generating means) of evaluating apparatus are connected in series, make the gas supply of each wide-necked bottle uneven, and the gas supply in each wide-necked bottle is wayward, if while causing carrying out evaluation test under identical conditions, test can't effectively successfully be carried out, if and need to estimate under specific different condition the time, test condition can not effectively be controlled, and causes test can't effectively carry out smoothly equally.And further, because the evaluating apparatus of prior art is controlled without stirring apparatus, the test test piece while causing testing in evaluating apparatus is stationary state, and the test result obtained thus can not reflect normal current intelligence.
The technological deficiency existed for above-mentioned prior art, the utility model provides a kind of corrosion inhibitor for oil field evaluation experimental device, and wherein, this device comprises: the rotary hanging plate method evaluation system and the exhaust treatment system that are connected in series; Wherein, described rotary hanging plate method evaluation system comprises a plurality of test containers, and wherein, described rotary hanging plate method evaluation system also is included as the gas supply unit of each the test container independently supplying gas in described a plurality of test container.
Preferably, described gas supply unit comprises gas source, and this gas source is connected with described a plurality of test containers by air shooter, and is provided with switch valve on described air shooter.
Preferably, described air shooter comprises many test container connecting pipes in parallel, and these many test container connecting pipes are connected to respectively described a plurality of test container, and are provided with separately switch valve on described many test container connecting pipes.
Preferably, on described many test container connecting pipes, be provided with separately gas meter, along gas flow, after described gas meter is arranged on the described switch valve be arranged on described many test container connecting pipes.
Preferably, described air shooter also comprises many gas source connecting pipes in parallel, on described many gas source connecting pipes, is provided with separately switch valve; These many gas source connecting pipes are connected to respectively a plurality of described gas sources, and described many gas source connecting pipes are connected with described many test container connecting pipes.
Preferably, described air shooter also comprises transfer tube, described many gas source connecting pipes are communicated with described many test container connecting pipes by described transfer tube, wherein, one end of transfer tube is connected with many described gas source connecting pipes, and the other end of transfer tube is connected with many described test container connecting pipes.
Preferably, on described many gas source connecting pipes, be provided with separately gas meter, along gas flow, after described gas meter is arranged on the described switch valve be arranged on described many gas source connecting pipes.
Preferably, described gas source comprises: stink damp body source and carbon dioxide gas body source.
Preferably, described rotary hanging plate method evaluation system also comprises: for the heating unit of described a plurality of test container heat supplies and be arranged on the rotary hanging plate parts in described a plurality of test container, wherein, described rotary hanging plate parts comprise the teflon rotary head that can hang a plurality of test pieces.
Preferably, described rotary hanging plate parts also comprise rotating shaft, and described rotary hanging plate method evaluation system also comprises: for the rotating driver that drives described rotating shaft to rotate.
Preferably, described heating unit is the water bath with thermostatic control system, and described a plurality of test containers are positioned at described water bath with thermostatic control system.
Preferably, described a plurality of test container be provided with separately there is inlet, the gland bonnet of air intake opening, gas outlet and rotating shaft mouth.
Preferably, described test container is 2-10.
Preferably, described exhaust treatment system comprises surge flask and the alkali lye bottle be connected in series.
Device of the present utility model can carry out a plurality of tests simultaneously, has effectively shortened the cycle of evaluation test, and this device effectively reduces the pollution of test to environment.
Other feature and advantage of the present utility model will partly be described in detail in embodiment subsequently.
The accompanying drawing explanation
Accompanying drawing is to be used to provide further understanding of the present utility model, and forms the part of instructions, is used from explanation the utility model with following embodiment one, but does not form restriction of the present utility model.In the accompanying drawings:
Fig. 1 is the schematic diagram according to a kind of corrosion inhibitor for oil field evaluation experimental device of the present utility model.
Description of reference numerals
Embodiment
Below in conjunction with accompanying drawing, embodiment of the present utility model is elaborated.Should be understood that, embodiment described herein only, for description and interpretation the utility model, is not limited to the utility model.
The utility model provides a kind of corrosion inhibitor for oil field evaluation experimental device, and wherein, as shown in Figure 1: this device comprises: the rotary hanging plate method evaluation system A and the exhaust treatment system B that are connected in series; Wherein, described rotary hanging plate method evaluation system A comprises a plurality of test containers 1, and wherein, described rotary hanging plate method evaluation system A also is included as the gas supply unit 2 of each the test container 1 independently supplying gas in described a plurality of test container 1.
According to device of the present utility model, because described rotary hanging plate method evaluation system A is included as the gas supply unit 2 of each the test container 1 independently supplying gas in described a plurality of test container 1, make the gas supply of described a plurality of test container 1 to control respectively, thereby can overcome the technological deficiency that the unequal aforementioned prior art of gas supply exists, and can effectively make described a plurality of test container 1 to be tested under identical or different condition, thereby make device of the present utility model can effectively carry out the test of a plurality of identical or different conditions simultaneously, effectively shortened the cycle of evaluation test thus, and because device of the present utility model comprises exhaust treatment system B, make device of the present utility model effectively reduce the pollution of test to environment.
According to of the present utility model preferred embodiment a kind of, preferred described gas supply unit 2 comprises gas source, this gas source is connected with described a plurality of test containers 1 by air shooter, and be provided with switch valve on described air shooter, by being arranged on described switch valve on described air shooter, control each test container 1 in 2 pairs of described a plurality of test containers 1 of gas supply unit independently supplying gas separately.
According to of the present utility model preferred embodiment a kind of, preferred described air shooter comprises many test container connecting pipes 7 in parallel, these many test container connecting pipes 7 are connected to respectively described a plurality of test container 1, and be provided with separately switch valve 10 on described many test container connecting pipes 7, can control easily supply or the cut-out of the gas of each test container 1 in described a plurality of test container 1 by described switch valve 10 is set.
According to of the present utility model preferred embodiment a kind of, preferably on described many test container connecting pipes 7, be provided with separately gas meter 11, along gas flow, after described gas meter 11 is arranged on the described switch valve 10 be arranged on described many test container connecting pipes 7, can effectively monitor the flow of gas by described gas meter 11, thus can be according to supplying required gas flow to each test container 1 of described a plurality of test containers 1.
According to of the present utility model preferred embodiment a kind of, preferred described air shooter also comprises many gas source connecting pipes 8 in parallel, on described many gas source connecting pipes 8, is provided with separately switch valve; These many gas source connecting pipes 8 are connected to respectively a plurality of described gas sources, and described many gas source connecting pipes 8 are communicated with described many test container connecting pipes 7, more effective each test container 1 in described a plurality of test container 1 independently supplying gas separately of having realized like this.
In the utility model, described many gas source connecting pipes 8 have multiple with the mode that described many test container connecting pipes 7 are communicated with, wherein, can be by many gas source connecting pipes 8 and the corresponding connection one by one of described many test container connecting pipes 7, may there is the technological deficiency that can not well supply mixed gas when yet correspondence is communicated with one by one, therefore can not meet because desired gas is that mixed gas is as be H 2s and CO 2mixed gas the time requirement, cause complicated operation and need to be in advance gas be mixed, thereby cause process of the test complicated.Therefore be further to optimize device of the present utility model, can realize that described many gas source connecting pipes 8 are communicated with described many test container connecting pipes 7 by transfer tube.
Therefore, according to of the present utility model preferred embodiment a kind of, preferred described air shooter also comprises transfer tube 9, described many gas source connecting pipes 8 are communicated with described many test container connecting pipes 7 by described transfer tube 9, wherein, one end of transfer tube 9 is connected with many described gas source connecting pipes 8, and the other end of transfer tube 9 is connected with many described test container connecting pipes 7.In the utility model, when described gas source, while being a plurality of, can realizing easily the mixing supply of gas source by described transfer tube 9, thereby obtain as required mixed gas.
According to of the present utility model preferred embodiment a kind of, preferably on described many gas source connecting pipes 8, be provided with separately gas meter, along gas flow, after described gas meter is arranged on the described switch valve be arranged on described many gas source connecting pipes 8, can monitor well thus the flow of gas by described gas meter.
According to device of the present utility model, the kind of described gas source can be selected according to needs, according to of the present utility model preferred embodiment a kind of, preferred described gas source comprises: stink damp body source 21 and carbon dioxide gas body source 22, in the utility model, when described gas source comprises stink damp body source 21 and carbon dioxide gas body source 22, test condition that can well simulation oil field, make the evaluation result obtained more accurate thus.
And in the utility model, for there is potential safety hazard in the stink damp body source (sulfuretted hydrogen generating means) that overcomes prior art for the kipp gas generator of glass system causes device, make easily impaired defect of evaluation test possibility end-stop or evaluating apparatus, preferred stink damp body source of the present utility model is for directly being equipped with the stink damp body source of hydrogen sulfide gas.
According to device of the present utility model, described rotary hanging plate method evaluation system A can be arranged with reference to prior art, the utility model to this without specific (special) requirements, according to of the present utility model preferred embodiment a kind of, preferred described rotary hanging plate method evaluation system A also comprises: for the heating unit (not shown) of described a plurality of test container heat supplies and be arranged on the rotary hanging plate parts in described a plurality of test container, wherein, described rotary hanging plate parts comprise the teflon rotary head 3 that can hang a plurality of test pieces.
According to of the present utility model preferred embodiment a kind of, preferred described rotary hanging plate parts also comprise rotating shaft 4, described rotary hanging plate method evaluation system A also comprises: for the rotating driver (not shown) that drives described rotating shaft to rotate, by described rotating shaft 4 and rotating driver are set in device of the present utility model, make the test result obtained can reflect truly normal current intelligence, the test result obtained is more accurate.
According to device of the present utility model, the kind of described heating unit can be for example water bath with thermostatic control system or constant temperature oil bath system for the routine selection, according to of the present utility model preferred embodiment a kind of, preferred described heating unit is the water bath with thermostatic control system, and described a plurality of test containers are positioned at described water bath with thermostatic control system.
According to device of the present utility model, described rotating driver can be selected for routine, the rotating wheel that for example can carry for the water bath with thermostatic control system.
According to of the present utility model preferred embodiment a kind of, preferably described a plurality of test containers 1 be provided with separately there is inlet, the gland bonnet of air intake opening, gas outlet and rotating shaft mouth, so can seal well described test container 1, test is carried out effectively.According to of the present utility model preferred embodiment a kind of, preferred described gland bonnet is rubber plug.Wherein, in concrete use procedure, between rotating shaft mouth and rubber plug, can be sealed by glass fluid-tight or metal fluid-tight.
According to device of the present utility model, the optional wider range of the number of described test container, specifically can be selected according to needs, and according to of the present utility model preferred embodiment a kind of, preferred described test container is 2-10.
According to device of the present utility model, described exhaust treatment system B can adopt conventional exhaust treatment system, and according to of the present utility model preferred embodiment a kind of, preferred described exhaust treatment system B comprises surge flask 5 and the alkali lye bottle 6 be connected in series.
Below describe by reference to the accompanying drawings device of the present utility model in detail, particularly, device of the present utility model in use can carry out as follows:
According to of the present utility model preferred embodiment a kind of, while utilizing device of the present utility model to carry out the corrosion inhibiter evaluation, at first hang up 1-2 test piece in teflon rotary head 3, teflon rotary head 3 is fixed in rotating shaft 4, again rotating shaft 4 is fixed on the rotating wheel that the water bath with thermostatic control system carries through the rotating shaft mouth of rubber plug, is then sealed by the glass fluid-tight between rotating shaft mouth and rubber plug; Add corrosion inhibiter in test container 1, with rubber stopper seal test container 1, while confirming that each pipeline has connected, open rotating wheel.The air in test container is replaced by the carbon dioxide gas body source in air intake opening and gas outlet by rubber plug, then adds respectively the test solution configured by inlet, closes inlet; Open the water bath with thermostatic control system to specifying test temperature, then the switch valve on the gas source connecting pipe of closing carbon dioxide gas source, then slowly open the switch valve on the gas source connecting pipe of stink damp body source, pass into the amount of the sulfuretted hydrogen of test container by the metering of the gas meter on the gas source connecting pipe, slowly open the switch valve on the gas source connecting pipe of carbon dioxide gas body source until hydrogen sulfide gas during the bubbling constant airspeed in test container, pass into the amount of the carbon dioxide of test container by the metering of the gas meter on the gas source connecting pipe; After ventilation arrives the gas flow that test sets, close switch valve on each gas source connecting pipe to the flowmeter minimum scale, absorb by surge flask and alkali lye bottle from gas outlet sulfuretted hydrogen and the carbon dioxide out of rubber plug.Test to the fixed time and finish, then take out test piece, test piece weightlessness in front and back is estimated corrosion inhibiter by experiment.
Below describe by reference to the accompanying drawings preferred implementation of the present utility model in detail; but; the utility model is not limited to the detail in above-mentioned embodiment; in technical conceive scope of the present utility model; can carry out multiple simple variant to the technical solution of the utility model, these simple variant all belong to protection domain of the present utility model.
It should be noted that in addition each the concrete technical characterictic described in above-mentioned embodiment, in reconcilable situation, can be combined by any suitable mode.For fear of unnecessary repetition, the utility model is to the explanation no longer separately of various possible array modes.
In addition, between various embodiment of the present utility model, also can carry out combination in any, as long as it is without prejudice to thought of the present utility model, it should be considered as content disclosed in the utility model equally.

Claims (13)

1. a corrosion inhibitor for oil field evaluation experimental device, wherein, this device comprises: the rotary hanging plate method evaluation system and the exhaust treatment system that are connected in series; Wherein, described rotary hanging plate method evaluation system comprises a plurality of test containers, it is characterized in that, described rotary hanging plate method evaluation system also is included as the gas supply unit of each the test container independently supplying gas in described a plurality of test container, described gas supply unit comprises gas source, this gas source is connected with described a plurality of test containers by air shooter, and is provided with switch valve on described air shooter.
2. device according to claim 1, it is characterized in that, described air shooter comprises many test container connecting pipes in parallel, and these many test container connecting pipes are connected to respectively described a plurality of test container, and are provided with separately switch valve on described many test container connecting pipes.
3. device according to claim 2, it is characterized in that, be provided with separately gas meter on described many test container connecting pipes, along gas flow, after described gas meter is arranged on the described switch valve be arranged on described many test container connecting pipes.
4. device according to claim 2, is characterized in that, described air shooter also comprises many gas source connecting pipes in parallel, on described many gas source connecting pipes, is provided with separately switch valve; These many gas source connecting pipes are connected to respectively a plurality of described gas sources, and described many gas source connecting pipes are communicated with described many test container connecting pipes.
5. device according to claim 4, it is characterized in that, described air shooter also comprises transfer tube, described many gas source connecting pipes are communicated with described many test container connecting pipes by described transfer tube, wherein, one end of transfer tube is connected with many described gas source connecting pipes, and the other end of transfer tube is connected with many described test container connecting pipes.
6. device according to claim 4, it is characterized in that, be provided with separately gas meter on described many gas source connecting pipes, along gas flow, after described gas meter is arranged on the described switch valve be arranged on described many gas source connecting pipes.
7. according to the described device of any one in claim 1-6, it is characterized in that, described gas source comprises: stink damp body source and carbon dioxide gas body source.
8. according to the described device of any one in claim 1-6, it is characterized in that, described rotary hanging plate method evaluation system also comprises: for the heating unit of described a plurality of test container heat supplies and be arranged on the rotary hanging plate parts in described a plurality of test container, wherein, described rotary hanging plate parts comprise the teflon rotary head that can hang a plurality of test pieces.
9. device according to claim 8, is characterized in that, described rotary hanging plate parts also comprise rotating shaft, and described rotary hanging plate method evaluation system also comprises: for the rotating driver that drives described rotating shaft to rotate.
10. device according to claim 8, is characterized in that, described heating unit is the water bath with thermostatic control system, and described a plurality of test containers are positioned at described water bath with thermostatic control system.
11. according to the described device of any one in claim 1-6, it is characterized in that, described a plurality of test containers be provided with separately there is inlet, the gland bonnet of air intake opening, gas outlet and rotating shaft mouth.
12. according to the described device of any one in claim 1-6, it is characterized in that, described test container is 2-10.
13. according to the described device of any one in claim 1-6, it is characterized in that, described exhaust treatment system comprises surge flask and the alkali lye bottle be connected in series.
CN 201320241947 2013-05-07 2013-05-07 Evaluation test device for oilfield corrosion inhibitor Active CN203365265U (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104297421A (en) * 2014-05-30 2015-01-21 中国石油化工股份有限公司 Hydrogen sulfide-containing sewage treatment agent test apparatus
CN105319142A (en) * 2014-07-24 2016-02-10 中石化洛阳工程有限公司 Device and method for evaluating vapor phase inhibitor

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104297421A (en) * 2014-05-30 2015-01-21 中国石油化工股份有限公司 Hydrogen sulfide-containing sewage treatment agent test apparatus
CN104297421B (en) * 2014-05-30 2016-03-23 中国石油化工股份有限公司 Sulfide hydrogen sewage-treating agent test unit
CN105319142A (en) * 2014-07-24 2016-02-10 中石化洛阳工程有限公司 Device and method for evaluating vapor phase inhibitor

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