CN207751966U - A kind of dynamic test system of corrosion inhibiter inhibition rate - Google Patents
A kind of dynamic test system of corrosion inhibiter inhibition rate Download PDFInfo
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- CN207751966U CN207751966U CN201820045734.5U CN201820045734U CN207751966U CN 207751966 U CN207751966 U CN 207751966U CN 201820045734 U CN201820045734 U CN 201820045734U CN 207751966 U CN207751966 U CN 207751966U
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Abstract
The utility model is related to corrosion inhibiter inhibition rate test devices, and in particular to a kind of dynamic test system of corrosion inhibiter inhibition rate.The system includes：Test running water deoxidizing device and dynamic weight loss device, wherein, the experiment running water deoxidizing device is configured for carrying out deoxygenation to experiment water, and nitrogen is provided so that the dynamic weight loss device is in oxygen-free environment, and provides the experiment water after deoxygenation for the dynamic weight loss device for the dynamic weight loss device.The dynamic test system of the corrosion inhibiter inhibition rate provided by the utility model can be tested inhibition rate of the corrosion inhibiter under various oxygen free conditions into Mobile state, convenient for the screening to the corrosion inhibiter that need to be used under anaerobic.
Description
Technical field
The utility model is related to corrosion inhibiter inhibition rate test devices, and in particular to a kind of dynamic of corrosion inhibiter inhibition rate
Experimental system.
Background technology
The water oxygens concentration such as oil plant atmospheric tower distilling apparatus overhead condensation water, oil field mining liquid are very low.Screening or evaluation
Corrosion inhibiter in the almost nil water of these oxygen concentrations answers strict separation oxygen, otherwise, seriously corroded so that inhibition in experimentation
Difference is little between agent, can not screen suitable corrosion inhibiter.If the corrosion inhibiter of evaluation processing anaerobic water, real under aerobic conditions
The corrosion inhibition of corrosion inhibiter cannot really be reflected by testing result.
The evaluation of domestic and international corrosion inhibitor for oil field has to be carried out in autoclave, as CN201885954U discloses a kind of high temperature
High-pressure gas-liquid two-phase corrosion simulated experiment device, the device include heat insulation and heating equipment, high-temperature high-pressure reaction kettle, temperature detecting resistance,
High-temperature high-pressure reaction kettle upper cover, air inlet pipe further comprise condenser system, aqueous etching test system and the test of gas phase condensate corrosion
System.It realizes the corrosion simulated research that liquid and gas condensate liquid environment can be carried out at the same time on same covering device.However
Autoclave is not only expensive, but also can only carry out the experiment of an experiment condition every time, cannot meet corrosion inhibitor selection or comment
The requirement of many experiments needed for valence.
The evaluation of oil field corrosion inhibiter uses at present《SY/T 5273-2014 oil field extracted waters corrosion inhibiter performance indicator and
Evaluation method》It is tested, dynamic assay method, which is only referred to, in standard can be used appropriate closed container, and closed container is set
It is equipped with air inlet (liquid) mouth and gas outlet, needs sealing, oxygen barrier, but not to the detailed description of evaluating apparatus, in particular how both
Lacing film bar can be kept to rotate freely, and do not influence oxygen barrier effect.
Invention content
Multiple experiments can be simultaneously effective carried out the purpose of this utility model is to provide one kind, and multiple experiment can be with
The dynamic test system of corrosion inhibiter inhibition rate under the oxygen free condition carried out under conditions of identical or different.
To achieve the goals above, on the one hand the utility model provides a kind of dynamic experiment system of corrosion inhibiter inhibition rate
System, the system include：Test running water deoxidizing device and dynamic weight loss device, wherein the experiment running water deoxidizing device is configured for
Deoxygenation is carried out to experiment water, and nitrogen is provided so that the dynamic weight loss device is in anaerobic ring for the dynamic weight loss device
Border, and the experiment water after deoxygenation is provided for the dynamic weight loss device.
Preferably, the experiment running water deoxidizing device includes nitrogen cylinder and the first container, wherein the nitrogen cylinder is configured to
Nitrogen is provided to carry out deoxygenation to the experiment water being equipped in the first container for the first container, and the dynamic is hung
Sheet devices provide nitrogen；The first container is configured to be provided in the dynamic weight loss device after deoxygenation in experiment water.
Preferably, it is provided with pressure reducing valve at the nitrogen outlet of the nitrogen cylinder, the nitrogen pipeline being connect with the pressure reducing valve
At least two nitrogen pipelines are distributed, the first valve is provided on one, the second valve is provided on another；Wherein, it is arranged
There is the nitrogen pipeline of the first valve to be connected to the dynamic weight loss device；It is provided with the nitrogen pipeline and described first of the second valve
Reservoir.
Preferably, the top exit of the first container is provided with first seal, in the first seal inserted with
First air inlet pipe and the first escape pipe；Wherein, one end of first air inlet pipe connects with the nitrogen pipeline for being provided with the second valve
It connects, the other end stretches to the lower area in the first container；One end of first escape pipe is connected to air, and the other end is stretched
Enter to the top exit region in the first container.
Preferably, the lower part of the first container is provided with lower part outlet, which is connected to experiment water supplying pipe,
And the first sealing part is provided with to control the experiment water supplying pipe to described in lower part outlet and experiment water supplying pipe junction
The experiment water of dynamic weight loss device supplies.
Preferably, the dynamic weight loss device includes second container and lacing film ring, and the top exit of the second container is set
Second seal is equipped with, inserted with the second air inlet pipe, inlet tube and the second escape pipe in the second seal；Wherein, described
One end of second air inlet pipe is connected to the nitrogen pipeline for being provided with the first valve, under the other end stretches in the second container
Portion region；One end of the inlet tube is connected to the experiment water supplying pipe, under the other end stretches in the second container
Portion region；One end of second escape pipe and atmosphere, the other end stretch to the top exit area in the second container
At domain.
Preferably, the dynamic weight loss device includes hanging rod, manhole cover, hanging rod siphunculus and water seal cup；Wherein, the hanging rod
Siphunculus is configured to be inserted into and passes through the second seal, and the hanging rod is inserted in the hanging rod siphunculus and its lower end stretches to
Lower area in the second container；The sealing structure for water institute water that the top of the hanging rod siphunculus is constituted by manhole cover and water seal cup
Envelope；The lacing film ring is fixed at the lower end of the hanging rod, and the hanging rod is configured to rotatable so that the lacing film ring
It is rotatable in the second container.
Preferably, the lacing film ring includes nut, strut and fixed ring.
Preferably, the junction of second air inlet pipe and the nitrogen pipeline for being provided with the first valve is provided with the second sealing
Part is supplied with the nitrogen for controlling second air inlet pipe；The junction of the inlet tube and the experiment water supplying pipe is provided with the
Three sealing parts are supplied with the experiment water for controlling the inlet tube；One end of second escape pipe and atmosphere is configured with the 4th
Sealing part is to control the connection of second escape pipe and air.
The dynamic test system of the corrosion inhibiter inhibition rate provided by the utility model, can be to corrosion inhibiter in various anaerobics
Under the conditions of inhibition rate into Mobile state test, convenient for the screening to the corrosion inhibiter that need to be used under anaerobic.
Description of the drawings
Fig. 1 is a kind of structural schematic diagram of the experiment running water deoxidizing device of preferred embodiment according to the present utility model.
Fig. 2 is a kind of structural schematic diagram of the dynamic weight loss device of preferred embodiment according to the present utility model.
Fig. 3 is a kind of structural schematic diagram of the lacing film ring of preferred embodiment according to the present utility model.
Reference sign
1 --- nitrogen cylinder；2 --- pressure reducing valve；3 --- the first valve；4 --- the second valve；
5 --- connection glass tube；6 --- the first escape pipe；7 --- first seal；
8 --- the first container；9 --- experiment water；10 --- the first air inlet pipe；
11 --- the first aeration head；12 --- the first sealing part；13 --- experiment water supplying pipe；
14 --- nitrogen supply pipe；15 --- second container；16 --- the second air inlet pipe；
17 --- inlet tube；18 --- lacing film ring；19 --- corrosion inhibiter test solution；
20 --- the second aeration head；21 --- the second escape pipe；22 --- second seal；
23 --- third sealing part；24 --- the second sealing part；25 --- the 4th sealing part；
26 --- hanging rod；27 --- manhole cover；28 --- hanging rod siphunculus；29 --- water seal cup；
30 --- water seal water；181 --- nut；182 --- strut；183 --- fixed ring.
Specific implementation mode
The endpoint of disclosed range and any value are not limited to the accurate range or value herein, these ranges or
Value should be understood as comprising the value close to these ranges or value.For numberical range, between the endpoint value of each range, respectively
It can be combined with each other between the endpoint value of a range and individual point value, and individually between point value and obtain one or more
New numberical range, these numberical ranges should be considered as specific open herein.
The utility model provides a kind of dynamic test system of corrosion inhibiter inhibition rate, which includes：Test water deoxygenation
Device and dynamic weight loss device, wherein the experiment running water deoxidizing device is configured for carrying out deoxygenation to experiment water, and is described
Dynamic weight loss device provides nitrogen so that the dynamic weight loss device is in oxygen-free environment, and is the dynamic weight loss device
Experiment water after deoxygenation is provided.
According to the utility model, the dynamic test system includes to test running water deoxidizing device and dynamic weight loss device,
In, experiment running water deoxidizing device is used to carry out the supply of the deoxygenation and nitrogen of experiment water, it is possible thereby to preferably Control experiment water
Oxygen-containing situation.It should be understood that the experiment running water deoxidizing device to test water deoxygenation not necessarily must reach experiment water entirely without
The case where oxygen, but the system of the experiment water to various degree oxygen content can be realized by the control to experiment running water deoxidizing device
It takes.
According to the utility model, although a variety of specific configurations may be used to realize above-mentioned effect, it is, however, preferable that such as
Shown in FIG. 1, the experiment running water deoxidizing device includes nitrogen cylinder 1 and the first container 8, wherein the nitrogen cylinder 1 be configured to for
The first container 8 provides nitrogen to carry out deoxygenation to the experiment water 9 being equipped in the first container 8, and to the dynamic
Hanger device provides nitrogen；The first container 8 is configured to be provided in the dynamic weight loss dress after deoxygenation in experiment water 9
It sets.
Wherein, nitrogen cylinder 1 can with nitrogen cylinder of the inside filled with nitrogen that this field routinely uses, the utility model to this simultaneously
It is limited without special, is used to provide nitrogen for experiment running water deoxidizing device and dynamic weight loss device, helps the removing of oxygen.
Wherein, the first container 8 can be various containers, as long as experiment water and the deoxygenation suitable for testing water can be installed
With the experiment water convenient for providing deoxygenation to dynamic weight loss device, for convenience, the first container 8 can be to steam
Distilled water bottle, for example, the distilled water bottle of glass material, plastic material distilled water bottle etc..
According to the utility model, for the ease of the control of nitrogen, it is preferable that as shown in Figure 1, the nitrogen of the nitrogen cylinder 1
Gas outlet is provided with pressure reducing valve 2, and the nitrogen pipeline being connect with the pressure reducing valve 2 distributes at least two nitrogen pipelines, one
On be provided with the first valve 3, the second valve 4 is provided on another；
Wherein, the nitrogen pipeline for being provided with the first valve 3 is connected to the dynamic weight loss device；It is provided with the second valve 4
Nitrogen pipeline be connected to the first container 8.
Thus total aperture of entire nitrogen cylinder 1 can be controlled by controlling pressure reducing valve 2, is controlled by the first valve 3
Make to whether being passed through of nitrogen of dynamic weight loss device, by the second valve 4 come control to the nitrogen of the first container 8 be passed through with
It is no.
According to the utility model, the experiment running water deoxidizing device is configured to carry out deoxygenation to experiment water, and can obtain
The experiment water of various oxygen content is obtained, can carry out the assembly of various ways to obtain above-mentioned effect, preferably to the first container 8 thus
Ground, as shown in Figure 1, the top exit of the first container 8 is provided with first seal 7, is inserted into the first seal 7
There are the first air inlet pipe 10 and the first escape pipe 6；Wherein, one end of first air inlet pipe 10 and the nitrogen for being provided with the second valve 4
Gas pipeline connects, and the other end stretches to the lower area in the first container 8；One end connection of first escape pipe 6 is big
Gas, the other end stretch at the top exit region in the first container 8.
Wherein, the experiment water can be for carrying out this field routinely use that lacing film tests inhibition rate to corrosion inhibiter
Any experiment water, only the experiment water can be made to have close to the oxygen-containing of anaerobic state by the system of the utility model
Amount, to provide more credible and rational test result to corrosion inhibition of the corrosion inhibiter under almost oxygen-free environment.
Wherein, the first seal 7 will carry out good sealing to the top exit of the first container 8, so that first
The inside of container 8 can completely cut off with atmospheric environment well, avoid the entrance of oxygen.Such sealing element can be that this field is normal
The seal member for sealing container outlet of rule, such as can be rubber stopper etc..
Wherein, the first air inlet pipe 10 and the first escape pipe 6 are inserted into from first seal 7, so that the first air inlet pipe 10
First seal 7 can be passed through with the first escape pipe 6 but does not interfere with the sealing effect of sealing element.First air inlet pipe 10 is used for
Nitrogen is led to the first container 8, for this purpose, can be by by one end of the first air inlet pipe 10 and the nitrogen tube for being provided with the second valve 4
Line connects.In order to substantially more so that deoxygenation of the nitrogen to experiment water, can connect in the lower end of the first air inlet pipe 10
One the first aeration head 11 (such as can be sand core aeration head), and stretching in experiment water, especially proximate to but do not contact the
The bottom of one container 8.
First escape pipe 6 is connected to discharge of the air in order to air, oxygen, nitrogen in the first container 8 etc., for this purpose, institute
One end connection air of the first escape pipe 6 is stated, the other end stretches at the top container exit region in the first container 8.
First escape pipe 6 cannot extend into the region in the first container 8 too on the lower, cannot especially extend into contact the first container 8
The liquid level for the experiment water being inside equipped with, in case experiment water is forced out the first container 8 by the first escape pipe 6.
Wherein, the first air inlet pipe 10 and the first escape pipe 6 can be the tubular parts of various material, such as can be glass
Pipe.
According to the utility model, the connection type of first air inlet pipe 10 and the nitrogen pipeline for being provided with the second valve 4
It can be the connection type of this field routine, such as the nitrogen pipeline for being provided with the second valve 4 is connected with glass tube 5 is connect,
Then connect with a section plastic tube, one of the other end of the section plastic tube and first air inlet pipe 10 (in the first container 8
External one) connection.
According to the utility model, an important role of the experiment running water deoxidizing device is to fill for the dynamic weight loss
The experiment water after deoxygenation is provided is set, for this purpose, a variety of assembly can be carried out to the first container 8 to realize the effect, it is preferable that as schemed
Shown in 1, the lower part of the first container 8 is provided with lower part outlet, which is connected to experiment water supplying pipe 13, and
Lower part outlet is provided with the first sealing part 12 to control the experiment water supplying pipe 13 to institute with 13 junction of experiment water supplying pipe
State the experiment water supply of dynamic weight loss device.
Wherein, such as common distilled water vial, it is all additionally provided with one outlet in body bottom sidewall, as this sets
It sets, the first container 8 is also provided with there are one lower part outlet, can be more convenient for as the dynamic weight loss by the setting of the outlet
Device provides the experiment water after deoxygenation.Specifically, which seals also by sealing element, and insert port is led in sealing element
Pipe, which is connected to the experiment water supplying pipe 13, thus preferably the supply of Control experiment water whether, in the conduit and institute
State experiment water supplying pipe 13 junction between be provided with the first sealing part 12, thus the junction can be by one section plastics
Pipe realizes that first sealing part 12 is configured at plastic tube.More easily, first sealing part 12 is tongs, clamps modeling
Expects pipe can prevent experiment water from leading to the experiment water supplying pipe 13, open the i.e. permissible experiment water of tongs and lead to the experiment
Water supplying pipe 13.
According to the utility model, as shown in Figure 2, it is preferable that the dynamic weight loss device includes second container 15 and hangs
Loop 18, the top exit of the second container 15 are provided with second seal 22, inserted in the second seal 22
Two air inlet pipe 16, inlet tube 17 and the second escape pipe 21；
Wherein, one end of second air inlet pipe 16 is connected to the nitrogen pipeline for being provided with the first valve 3, and the other end stretches into
Lower area in the second container 15；
One end of the inlet tube 17 is connected to the experiment water supplying pipe 13, and the other end stretches to the second container 15
Interior lower area；
One end of second escape pipe 21 and atmosphere, the top that the other end stretches in the second container 15 go out
At the domain of mouth region.
The second container 15 can be used for installing corrosion inhibiter test solution 19, test water and be convenient for dynamic to hang to be any
Any container of piece corrosion inhibition test, such as can be wide-mouth bottle, for example, can be the wide-mouth bottle of glass material, plastic material it is wide
Mouth bottle etc..
Wherein, the second seal 22 is sealed the top exit of second container 15, so that second container 15
It can completely cut off well with atmospheric environment, such second seal 22 can have above-mentioned effect for this field routine
Seal member, such as can be rubber stopper.
Wherein, although inserted with the second air inlet pipe 16, inlet tube 17 and the second escape pipe 21 in the second seal 22,
But sealing effect of the second seal 22 to second container 15 is not influenced.Wherein, the second air inlet pipe 16 is used to hold to second
Device 15 provides nitrogen, to carry out deoxygenation to the test system in entire second container 15, for this purpose, air, oxygen in venting process
Second container 15 just is discharged from the second escape pipe 21 with nitrogen.Inlet tube 17 is used to provide the experiment after deoxygenation for second container 15
Water.
One end of second air inlet pipe 16 is connected to the nitrogen pipeline for being provided with the first valve 3 as a result, and the other end stretches into
Lower area in the second container 15.For the ease of control, it is preferable that second air inlet pipe 16 and be provided with first
The junction of the nitrogen pipeline of valve 3 is provided with the second sealing part 24 and is supplied with the nitrogen for controlling second air inlet pipe 16.More
Preferably, the nitrogen pipeline for being provided with the first valve 3 can be connect with nitrogen supply pipe 14 (being, for example, a section glass tube), and
The nitrogen supply pipe 14 is connect with second air inlet pipe 16 by a section plastic tube afterwards, the modeling is arranged in the second sealing part 24
In expects pipe.Second sealing part 24 can supply nitrogen the component controlled to be various, such as can be tongs,
So when the second sealing part 24 clamps plastic tube, second air inlet pipe 16 and be provided with the first valve 3 nitrogen pipeline it
Between nitrogen access be just blocked, when the second sealing part 24 is opened, then second air inlet pipe 16 and being provided with the first valve 3
Nitrogen pipeline between nitrogen access be just opened, then opening the first valve 3 at this time and pressure reducing valve 2 can make nitrogen to pass through
The second air inlet pipe 16 is crossed to be passed through into second container 15.In order to more fully carry out deoxygenation, institute to the system in second container 15
The lower end for stating the second air inlet pipe 16 is provided with the second aeration head 20 (being, for example, sand core aeration head), which stretches to
In second container 15 in corrosion inhibiter test solution 19, especially proximate to but do not contact the bottom of second container 15.
Second escape pipe 21 is connected to discharge of the air in order to air, oxygen, nitrogen in second container 15 etc., is
This, one end of second escape pipe 21 is connected to air, and the other end stretches to the outlet of the top container in the second container 15
At region.Second escape pipe 21 cannot extend into the region in second container 15 too on the lower, cannot especially extend into contact
Liquid level in second container 15, in case the solution in second container 15 is forced out second container 15 by the second escape pipe 21.For
Convenient for the control to exhaust, it is preferable that second escape pipe 21 and one end of atmosphere are configured with the 4th sealing part 25
To control the connection of second escape pipe 21 and air.In particular, the upper end in the second escape pipe 21 (is located at second container 15
Outer one end) it is provided with plastic tube, the 4th sealing part 25 is set on the plastic tube.4th sealing part 25 can be various
The component controlled can be supplied to nitrogen, such as can be tongs, then when the 4th sealing part 25 clamps the plastic tube
When, the second escape pipe 21 is convenient for atmospheric isolation, and when the 4th sealing part 25 is opened, the second escape pipe 21 and atmosphere.
The inlet tube 17 will be connected to the experiment water supplying pipe 13, for the ease of control, it is preferable that the inlet tube
17 are provided with third sealing part 23 with the junction for testing water supplying pipe 13 is supplied with the experiment water for controlling the inlet tube 17
It gives, more easily, will be connect by a section plastic tube with the experiment water supplying pipe 13 in the inlet tube 17, wherein can be with
The third sealing part 23 is set at the plastic tube.The third sealing part 23 can be that various can be supplied to nitrogen is controlled
The component of system, such as can be tongs, then when the third sealing part 23 clamps the plastic tube, the inlet tube 17 is then
The access between the experiment water supplying pipe 13 is blocked, when the third sealing part 23 is opened, then the inlet tube
Access between 17 and the experiment water supplying pipe 13 also opens.If if the first sealing part 12 is opened at this time, then just
Experiment water may make to enter inlet tube 17 by testing water supplying pipe 13, hence into in second container 15.
Wherein, the second air inlet pipe 16, inlet tube 17 and the second escape pipe 21 can be the tubular parts of various material, such as
It can be glass tube.
According to the utility model, the process of dynamic test in order to more convenient is realized, it is preferable that as shown in Figure 2, institute
It includes hanging rod 26, manhole cover 27, hanging rod siphunculus 28 and water seal cup 29 to state dynamic weight loss device；
Wherein, the hanging rod siphunculus 28 is configured to be inserted into and the second seal 22, the hanging rod 26 is passed through to be inserted in
In the hanging rod siphunculus 28 and its lower end stretches to the lower area in the second container 15；
The sealing structure for water institute water seal that the top of the hanging rod siphunculus 28 is constituted by manhole cover 27 and water seal cup 29；
The lacing film ring 18 is fixed at the lower end of the hanging rod 26, the hanging rod 26 be configured to it is rotatable so that
The lacing film ring 18 is rotatable in the second container 15.
The lower end of the hanging rod 26 is fixed with lacing film ring 18 and stretches in second container 15 to be contacted with test reagent, and
And the upper end of the hanging rod 26 can be on the runner (runner of rotary hanging plate corrosion test instrument) of installation system exterior arrangement, with this
It realizes the rotation of the hanging rod 26, and drives the rotation of lacing film ring 18, so that the test piece hung on lacing film ring 18 is second
It rotationally contacts with test reagent (mixed liquor of water and corrosion inhibiter test solution is tested in deoxygenation) in container 15, is realized to corrosion inhibiter with this
Dynamic test.
In order to enable the configuration of bar 26 will not impact the setting of the starvation of dynamic testing equipment, this practicality is new
Type provides the components such as manhole cover 27, hanging rod siphunculus 28 and water seal cup 29.Wherein, manhole cover 27 tips upside down in water seal cup 29, water
Water seal water 30 is housed, the upper part of the hanging rod siphunculus 28 is configured in manhole cover 27, and hanging rod 26 is passed through and hung in sealing cup 29
Bar siphunculus 28 simultaneously stretches out manhole cover 27 in order to make the upper end of hanging rod 26 can mount on runner.It can also be in hanging rod 26 in water
One section plastic tube of configuration between capping 27, in order to provide better seal.
Wherein, the construction of the lacing film ring 18 can be with a variety of variations, it is as shown in Figure 3, it is preferable that the lacing film
Ring 18 includes nut 181, strut 182 and fixed ring 183.The fixation that hanging rod 26 realizes lacing film ring 18 is inserted into fixed ring 183.Spiral shell
Its test piece between strut 182 can be fixed in mother 181.As shown in Figure 3, which can have 3 directions
The matching nut 181 and strut 182 of configuration, thus can hang 3 test pieces, and certain the utility model is not restricted to this, should
Mating nut 181 and strut 182 can be designed and construct as needed.In general, lacing film ring is by polytetrafluoroethylene material
It is made.
According to the utility model, it should be appreciated that the same nitrogen cylinder, which can connect the first container more covered and second, to be held
Thus device can realize multiple experiments, in identical or different Oxygen Condition as long as the nitrogen pipeline setting of nitrogen cylinder is a plurality of
It will be carried out while lower, although not providing corresponding structure chart to describe the process, often covers the first container and second container
Configuration all can as above and as depicted in the figures.
Below by the dynamic experiment system to being formed by corrosion inhibiter inhibition rate after assembling the device of Fig. 1, Fig. 2 and Fig. 3
System it is specifically used be described, be described below only be the illustratively dynamic test system to the utility model use carry out
It introduces, effect is not construed as limiting to the scope of the utility model.
According to the dynamic test system of a set of corrosion inhibiter inhibition rate of assembling shown in Fig. 1-3, then the corrosion inhibiter inhibition
The test process of rate can include：
(1) the first sealing part 12 (being tongs) is clamped, (is distilled water bottle, vial material to the first container 8
Matter) in pour into experiment water 9, cover tightly first seal 7 (i.e. rubber stopper), will be provided with the nitrogen pipeline of the second valve 4 successively with
Glass tube 5 and the connection of the first air inlet pipe 10 are connected, pressure reducing valve 2 is opened, closes the first valve 3, opens the second valve 4, adjusts nitrogen
Gas to desired flow, ventilation certain time to experiment water dissolution oxygen Pass Test requires.
(2) dynamic weight loss device is placed in the constant temperature water bath of rotary hanging plate corrosion test instrument.
(3) second seal 22 (i.e. rubber stopper) is opened, examination is added in second container 15 (i.e. wide-mouth bottle, glass material)
The corrosion inhibiter test solution for testing requirement hangs the test piece for handling and weighing to lacing film ring 18.Second seal 22 is covered into back second container
15, second seal 22 and 15 bottleneck of second container are tightly wrapped with electrical adhesive tape.Rotary hanging plate corrosion test instrument is opened, by hanging rod
26 are mounted on the runner of rotary hanging plate corrosion test instrument, and lacing film is made to rotate.After filling it up with deionized water in water seal cup 29, respectively
Take down the second air inlet pipe 16, on the second escape pipe 21 and inlet tube 17 plastic tube sealing part (i.e. tongs), nitrogen is supplied
Pipe 14 is connect with the second air inlet pipe 16, and experiment water supplying pipe 13 is connect with inlet tube 17.The first valve 3 is first opened to suitable aperture,
After air in second container 15 is displaced, then the first sealing part 12 (i.e. tongs) is opened, anaerobic experiment water is made to flow into second
In container 15, running water deoxidizing device is tested during this period, the logical nitrogen of anaerobic dynamic weight loss device institute does not stop.It waits in second container 15
When liquid level reaches the graduation mark finished in advance, clamps the first sealing part 12 and stop plus test in water to second container 15.Pull up examination
Water supplying pipe 13 is tested, the plastic tube on inlet tube 17 is clamped with third sealing part 23 (i.e. tongs)；The first valve 3 is closed, is stood
The plastic tube on the second escape pipe 21 is clamped with the 4th sealing part 25 (i.e. tongs)；Nitrogen supply pipe 14 is finally pulled up, is used
Second sealing part 24 (i.e. tongs) is clamped into the plastic tube in the second air inlet pipe 16.
Preferred embodiments of the present invention described in detail above, still, the utility model is not limited to this.At this
In the range of the technology design of utility model, a variety of simple variants can be carried out to the technical solution of the utility model, including each
Technical characteristic is combined with any other suitable method, these simple variants and combination equally should be considered as the utility model
Disclosure of that belongs to the scope of protection of the utility model.
Claims (10)
1. a kind of dynamic test system of corrosion inhibiter inhibition rate, which is characterized in that the system includes：Test running water deoxidizing device and
Dynamic weight loss device, wherein the experiment running water deoxidizing device is configured for carrying out deoxygenation to experiment water, and is hung for the dynamic
Sheet devices provide nitrogen so that the dynamic weight loss device is in oxygen-free environment, and provides and remove for the dynamic weight loss device
Experiment water after oxygen.
2. system according to claim 1, which is characterized in that the experiment running water deoxidizing device includes nitrogen cylinder (1) and
One container (8), wherein the nitrogen cylinder (1) is configured to provide nitrogen for the first container (8) with to the first container
(8) the experiment water (9) being equipped in carries out deoxygenation, and provides nitrogen to the dynamic weight loss device；
The first container (8) is configured to be provided in the dynamic weight loss device after deoxygenation in experiment water (9).
3. system according to claim 2, which is characterized in that be provided with decompression at the nitrogen outlet of the nitrogen cylinder (1)
Valve (2), the nitrogen pipeline being connect with the pressure reducing valve (2) distribute at least two nitrogen pipelines, the first valve are provided on one
Door (3) is provided with the second valve (4) on another；
Wherein, the nitrogen pipeline for being provided with the first valve (3) is connected to the dynamic weight loss device；
The nitrogen pipeline for being provided with the second valve (4) is connected to the first container (8).
4. system according to claim 3, which is characterized in that the top exit of the first container (8) is provided with first
Sealing element (7), inserted with the first air inlet pipe (10) and the first escape pipe (6) in the first seal (7)；Wherein, described
One end of one air inlet pipe (10) is connect with the nitrogen pipeline for being provided with the second valve (4), and the other end stretches to the first container
(8) lower area in；
One end of first escape pipe (6) is connected to air, and the other end stretches to the top exit area in the first container (8)
At domain.
5. according to the system described in any one of claim 2-4, which is characterized in that the lower part of the first container (8) is set
It is equipped with lower part outlet, which is connected to experiment water supplying pipe (13), and in lower part outlet and experiment water supplying pipe (13)
Junction is provided with the first sealing part (12) to control experiment of the experiment water supplying pipe (13) to the dynamic weight loss device
Water supplies.
6. system according to claim 1, which is characterized in that the experiment running water deoxidizing device includes nitrogen cylinder (1) and
One container (8), wherein the nitrogen cylinder (1) is configured to provide nitrogen for the first container (8) with to the first container
(8) the experiment water (9) being equipped in carries out deoxygenation, and provides nitrogen to the dynamic weight loss device；
The first container (8) is configured to be provided in the dynamic weight loss device after deoxygenation in experiment water (9)；
Wherein, it is provided with pressure reducing valve (2) at the nitrogen outlet of the nitrogen cylinder (1), the nitrogen tube being connect with the pressure reducing valve (2)
Line distributes at least two nitrogen pipelines, and the first valve (3) is provided on one, the second valve (4) is provided on another；
Wherein, the nitrogen pipeline for being provided with the first valve (3) is connected to the dynamic weight loss device；
The nitrogen pipeline for being provided with the second valve (4) is connected to the first container (8)；
Wherein, the top exit of the first container (8) is provided with first seal (7), is inserted into the first seal (7)
There are the first air inlet pipe (10) and the first escape pipe (6)；Wherein, one end of first air inlet pipe (10) and it is provided with the second valve
(4) nitrogen pipeline connection, the other end stretch to the lower area in the first container (8)；
One end of first escape pipe (6) is connected to air, and the other end stretches to the top exit area in the first container (8)
At domain；
Wherein, the lower part of the first container (8) is provided with lower part outlet, which connects with experiment water supplying pipe (13)
It is logical, and experiment water supplying pipe (13) junction is provided with the first sealing part (12) in lower part outlet and is supplied with controlling the experiment water
The experiment water of the dynamic weight loss device is supplied to pipe (13).
7. system according to claim 6, which is characterized in that the dynamic weight loss device includes second container (15) and hangs
Loop (18), the top exit of the second container (15) are provided with second seal (22), in the second seal (22)
Inserted with the second air inlet pipe (16), inlet tube (17) and the second escape pipe (21)；
Wherein, one end of second air inlet pipe (16) is connected to the nitrogen pipeline for being provided with the first valve (3), and the other end stretches into
Lower area in the second container (15)；
One end of the inlet tube (17) is connected to the experiment water supplying pipe (13), and the other end stretches to the second container
(15) lower area in；
One end of second escape pipe (21) and atmosphere, the top that the other end stretches in the second container (15) go out
At the domain of mouth region.
8. system according to claim 7, which is characterized in that the dynamic weight loss device includes hanging rod (26), manhole cover
(27), hanging rod siphunculus (28) and water seal cup (29)；
Wherein, the hanging rod siphunculus (28) is configured to be inserted into and passes through the second seal (22), the hanging rod (26) to be inserted into
In the hanging rod siphunculus (28) and its lower end stretches to the lower area in the second container (15)；
The sealing structure for water institute water seal that the top of the hanging rod siphunculus (28) is constituted by manhole cover (27) and water seal cup (29)；
The lacing film ring (18) is fixed at the lower end of the hanging rod (26), and the hanging rod (26) is configured to rotatably thus make
It is rotatable that the lacing film ring (18), which is obtained, in the second container (15).
9. system according to claim 7 or 8, which is characterized in that the lacing film ring (18) includes nut (181), strut
(182) and fixed ring (183).
10. system according to claim 7 or 8, which is characterized in that second air inlet pipe (16) and be provided with the first valve
The junction of the nitrogen pipeline of door (3) is provided with the second sealing part (24) and is supplied with the nitrogen for controlling second air inlet pipe (16)
It gives；
The junction of the inlet tube (17) and the experiment water supplying pipe (13) is provided with third sealing part (23) to control
State the experiment water supply of inlet tube (17)；
One end of second escape pipe (21) and atmosphere is configured with the 4th sealing part (25) to control second outlet
Manage the connection of (21) and air.
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| CN201820045734.5U CN207751966U (en) | 2018-01-11 | 2018-01-11 | A kind of dynamic test system of corrosion inhibiter inhibition rate |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109268688A (en) * | 2018-09-25 | 2019-01-25 | 中国石油天然气集团有限公司 | A kind of device effectively improving oil field gathering and transportation corrosion inhibiter filling effect |
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2018
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109268688A (en) * | 2018-09-25 | 2019-01-25 | 中国石油天然气集团有限公司 | A kind of device effectively improving oil field gathering and transportation corrosion inhibiter filling effect |
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