CN113358549A - Simple and convenient pipeline corrosion simulation measuring device - Google Patents
Simple and convenient pipeline corrosion simulation measuring device Download PDFInfo
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- CN113358549A CN113358549A CN202110701768.1A CN202110701768A CN113358549A CN 113358549 A CN113358549 A CN 113358549A CN 202110701768 A CN202110701768 A CN 202110701768A CN 113358549 A CN113358549 A CN 113358549A
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- G01N17/00—Investigating resistance of materials to the weather, to corrosion, or to light
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/56—Investigating resistance to wear or abrasion
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Abstract
The utility model provides a simple and convenient formula pipeline corrosion analog measurement device, includes container, lacing film frame, lacing film, magnetic stirring device and velocity of flow monitor, flourishing water in the container, the lacing film hangs on the lacing film frame and unsettled the immersion in aquatic in the container, magnetic stirring device includes magnetic stirring platform and stirring, the container set up in magnetic stirring bench, the stirring with velocity of flow monitor set up in the container, the stirring is in stir under magnetic stirring platform's the magnetic force action water in the container makes it flow, velocity of flow monitor is used for the monitoring the velocity of flow of water in the container. The device not only simply simulates the corrosion condition of the hanging piece in the water delivery process of the pipeline, but also restores the authenticity of the simulated corrosion device and the actual flow condition of the water delivery pipeline, and can be used for simulating and measuring different influences on pipeline corrosion under different water quality, hydraulic conditions, pipes and other conditions.
Description
Technical Field
The invention relates to the field of pipeline corrosion research, in particular to a simple and convenient pipeline corrosion simulation measuring device.
Background
Along with urban construction, the scale of water pipeline construction projects is increased, different pipes are utilized to convey different water qualities such as tap water, sewage, reclaimed water, industrial water and the like, and serious problems caused by the water qualities are increased. The problem of metal corrosion, on the one hand, brings huge economic losses, and researches show that the increased yield of steel due to steel corrosion scrap accounts for about one third of the total yield of steel every year in the world. On the other hand, the metal corrosion also affects the quality of the transported water, and corrosion products enter water, which may threaten the safety and health of water users and even cause accident disasters. Therefore, simulating a pipeline water delivery system and researching influence factors influencing pipeline corrosion are very important for exploring a proper corrosion inhibition technology.
The existing pipeline corrosion simulation research mainly utilizes a hanging piece of a rotary hanging piece corrosion instrument which rotates in water to simulate the interaction between water flow and the hanging piece, and the problems that the pipeline corrosion simulation research cannot be stably operated for a long time, the purchase and maintenance cost is high, the shearing force calculation is complex and the like exist.
It is to be noted that the information disclosed in the above background section is only for understanding the background of the present application and thus may include information that does not constitute prior art known to a person of ordinary skill in the art.
Disclosure of Invention
The main purpose of the present invention is to overcome the above-mentioned drawbacks of the background art, and to provide a simple and convenient pipeline corrosion simulation and measurement device.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides a simple and convenient formula pipeline corrosion analog measurement device, includes container, lacing film frame, lacing film, magnetic stirring device and velocity of flow monitor, flourishing water in the container, the lacing film hangs on the lacing film frame and unsettled the immersion in aquatic in the container, magnetic stirring device includes magnetic stirring platform and stirring, the container set up in magnetic stirring bench, the stirring with velocity of flow monitor set up in the container, the stirring is in stir under magnetic stirring platform's the magnetic force action water in the container makes it flow, velocity of flow monitor is used for the monitoring the velocity of flow of water in the container.
Further:
the hanging piece rack comprises a peripheral support and a hanging piece ring fixed in the center of the peripheral support, and the hanging piece is hung on the hanging piece ring.
The peripheral support is provided with a plurality of vertical supporting legs and a plurality of cross beams fixed at the tops of the supporting legs, and the hanging piece rings are fixed at the ends of the cross beams extending towards the center.
The hanging piece ring is in a circular shape with the size smaller than the caliber of the container.
One or more hanging wires are fixed on the hanging piece ring at intervals, and one or more hanging pieces are hung at the tail ends of the hanging wires.
And a hanging piece clamp is fixed at the tail end of the hanging wire, and the hanging piece is clamped by the hanging piece clamp.
The simple pipeline corrosion simulation measuring device further comprises a temperature sensing probe positioned in the container, and the temperature sensing probe is used for monitoring the water temperature in the container.
The control device is used for controlling the rotating speed of the stirrer according to a flow rate control instruction so as to enable the water in the container to reach the corresponding flow rate.
The control device is used for controlling the rotating speed of the stirrer according to a flow rate control command input from the outside or set by a program so as to enable the water in the container to reach a corresponding flow rate, and controlling the heating device to work according to a temperature control command input from the outside or set by the program so as to enable the water in the container to reach a corresponding temperature.
The film hanging frame is of a lifting structure.
The invention has the following beneficial effects:
the invention provides a simple and convenient device for simulating the corrosion condition of a hanging piece in the process of pipeline water delivery, which ensures that the hanging piece is suspended on a hanging piece frame and is immersed in water in a container, a magnetic stirrer is used for rotating water in a stirring container to generate water flow to simulate the environment of pipeline water delivery, the flow rate of actual water can be monitored in real time, and the water in the container flows instead of the hanging piece, so that the corrosion condition of the hanging piece in the process of pipeline water delivery is simply and conveniently simulated, the authenticity of the simulated corrosion device and the actual water delivery pipeline flow condition is better restored, and the device can be used for simulating and measuring different influences on pipeline corrosion under different water quality, hydraulic conditions, pipes and other conditions. Furthermore, by arranging the heating device in the magnetic stirring table, different influences on pipeline corrosion caused by different temperature conditions can be simulated.
Furthermore, the control and monitoring of the flow rate and the water temperature are realized through the control device, the flow rate monitoring probe and the temperature monitoring probe, and the metal corrosion simulation conditions of different pipes and different water qualities under the conditions of different temperatures, different flow rates and the like can be researched.
By means of the technical scheme, the simple and convenient hanging piece corrosion measuring device for pipeline simulation provided by the embodiment of the invention at least has one or more of the following advantages:
(1) the hanging piece is suspended and immersed in the water through the hanging piece rack, the water flow is rotated, the flow velocity is measured, the water flows instead of the hanging piece, and the authenticity of the flowing condition of the simulated corrosion device and the actual water pipeline is further restored.
(2) The hanging pieces are suspended and fixed at the same height of the container by utilizing the annular hanging piece ring, the hanging wires and the hanging piece clamp, the stirrer is stirred at the center of the bottom of the beaker to cause water flow to rotate, variable conditions such as water flow shearing force, dissolved oxygen, water temperature, pH value and corrosion inhibitor adding amount of a plurality of hanging pieces on one measuring device can be kept uniform, and experiment and result errors caused by uneven variables in parallel experiments are avoided.
(3) Can set up multiunit parallel arrangement and carry out the univariate experiment simultaneously, also can hang a plurality of lacing films simultaneously in every device and experiment, regularly take, be convenient for develop the relation research of degree of corrosion and water delivery time.
(4) The flow velocity monitoring probe is arranged to monitor the experimental flow velocity in real time, and result errors possibly caused by the fact that the relation between the hanging piece rotating shearing force and water flow is converted by using a calculation method are avoided.
(5) The device has the advantages of simple principle, stable operation and low cost, can continuously work and stably control the temperature for a long time, and has important application value for corrosion simulation experiments which can research results for a long time.
Drawings
Fig. 1 is a schematic structural diagram of a simple pipeline corrosion simulation measuring device according to an embodiment of the present invention.
Detailed Description
The embodiments of the present invention will be described in detail below. It should be emphasized that the following description is merely exemplary in nature and is not intended to limit the scope of the invention or its application.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element. In addition, the connection may be for either a fixed or coupled or communicating function.
It is to be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in an orientation or positional relationship indicated in the drawings for convenience in describing the embodiments of the present invention and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed in a particular orientation, and be in any way limiting of the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the embodiments of the present invention, "a plurality" means two or more unless specifically limited otherwise.
Referring to fig. 1, an embodiment of the present invention provides a simple and convenient pipeline corrosion simulation measurement apparatus, including a container 15, a hanger frame 6, a hanger 11, a magnetic stirring apparatus, and a flow rate monitoring probe 2, where the container 15 contains water, the hanger 11 is suspended on the hanger frame 6 and is immersed in the water in the container 15 in a suspended manner, the magnetic stirring apparatus includes a magnetic stirring table 1 and a stirrer 9, the container 15 is disposed on the magnetic stirring table 1, the stirrer 9 and the flow rate monitoring probe 2 are disposed in the container 15, the stirrer 9 stirs the water in the container 15 under the magnetic force of the magnetic stirring table 1 to flow, and the flow rate monitoring probe 2 is used for monitoring the flow rate of the water in the container 15. Preferably, the flow rate monitoring probe 2 and the hanging piece 11 are arranged at the same height, so that the measurement result is more accurate. The container 15 may take the form of, for example, a beaker, etc., but the specific form thereof is not limited. The hanging piece 11 can be made of various materials such as Q235B, 20-grade steel, stainless steel and the like according to the measurement requirement so as to measure the corrosion resistance of different pipeline materials. The water in the container 15 can be selected from ultrapure water, tap water, reclaimed water, sewage, etc. according to the measurement requirements. In a specific measurement application, a plurality of simple pipeline corrosion simulation measuring devices can be used at the same time to compare results of different measuring objects/measuring conditions.
In a preferred embodiment, the hanger bracket 6 comprises a peripheral bracket 6 and a hanger ring 7 fixed at the center of the peripheral bracket 6, and the hanger 11 is hung on the hanger ring 7.
In a further preferred embodiment, the peripheral support 6 has a plurality of vertical support legs 12 and a plurality of cross beams 13 fixed to the top of each support leg 12, the hanger ring 7 being fixed to the centrally extending ends of the plurality of cross beams 13.
In a preferred embodiment, the ring 7 is circular in shape with a dimension smaller than the aperture of the container 15.
In a preferred embodiment, one or more wires 10 are fixed on the hanging piece ring 7 at intervals, and one or more hanging pieces 11 are hung at the tail end of the wires 10. The suspension wire 10 can be (but is not limited to) iron wire or the like. In a more preferred embodiment, a hanging piece clamp 8 is fixed at the tail end of the hanging wire 10, and the hanging piece 11 is clamped by the hanging piece clamp 8.
In the preferred embodiment, the hanger 6 is configured to be lifted to adjust the height of the hanger 11 relative to the container 15 to ensure that the hanger can be suspended in the water in the container 15.
In a preferred embodiment, a heating device (not shown) is arranged in the magnetic stirring table 1 and used for heating water in the container 15, the simple pipeline corrosion simulation measuring device further comprises a temperature sensing probe 4 positioned in the container 15, and the temperature sensing probe 4 is used for monitoring the temperature of the water in the container 15. Preferably, the temperature sensing probe 4 and the hanging piece 11 are arranged at the same height, so that the measurement result is more accurate.
In a preferred embodiment, the simple pipe corrosion simulation measuring device further comprises a control device 14 connected to the magnetic stirring device, wherein the control device 14 is configured to control the rotation speed of the stirrer 9 according to an externally input or programmed flow rate control command, so as to enable the water in the container 15 to reach a corresponding flow rate, and is configured to control the operation of the heating device according to an externally input or programmed temperature control command, so as to enable the water in the container 15 to reach a corresponding temperature.
The control device 14 may be a desk structure as shown in fig. 1, on which a rotation speed adjusting knob 3, a temperature adjusting button 5, a display interface and the like are arranged, so that a user can adjust the rotation speed of the magnetic stirrer through the rotation speed adjusting knob 3 to adjust the water flow speed in the container, and can adjust the water temperature in the container through the temperature adjusting button 5.
Specific embodiments of the present invention and applications thereof are further described below by way of example.
As shown in fig. 1, a simple and convenient pipe-simulated coupon corrosion measuring device according to an embodiment includes a heatable magnetic stirring table 1, a beaker containing a stirrer 9 is placed on the magnetic stirring table 1, and a set of hanging coupons 11 are hung on a coupon holder 6 above the beaker. The flow rate monitoring probe 2 and the temperature sensing probe 4 are respectively arranged at the same height on two sides of the hanging piece 11 and are internally connected with the control device 14, and flow rate and temperature monitoring results are displayed on the control device 14. The right side of the display interface of the flow rate and the temperature is respectively provided with a rotor speed regulating knob 3 and a temperature regulating button 5 so as to regulate the flow rate and the water temperature. The heatable magnetic stirring table 1 is mainly used for driving the stirrer 9 and heating water. A magnetic stirrer 9 of teflon material was used to stir the water in the beaker to create a flow rate. The flow rate monitoring probe 2 is used to monitor the actual flow rate of the hanging piece 11 at the same level at the position under the action of the stirrer 9. The rotating speed adjusting knob 3 is used for adjusting the rotating speed of the stirrer 9 so as to achieve the purpose of changing different water flow speeds in the beaker. The temperature sensing probe 4 is used to monitor the water temperature in the area where the hanging piece 11 is located during measurement. The temperature adjusting button 5 is used for adjusting the water temperature. Wherein, the lifting hanging piece rack 6 is used for fixing and moving the hanging piece ring 7. The hanging piece ring 7 is arranged right above the beaker and the stirrer 9, the hanging piece ring 7 is used for hanging a hanging wire 10 arranged along a circle and a hanging piece clamp 8 fixed on the hanging wire 10, and the hanging piece clamp 8 is used for fixing a hanging piece 11.
Application example 1:
four coupon corrosion measuring devices are used, 6 experimental coupons made of the same material are hung on each coupon corrosion measuring device respectively, ultrapure water, tap water, reclaimed water and sewage are added into beakers of the four coupon corrosion measuring devices respectively, and corrosion influences of different water qualities are measured and researched.
Application example 2:
three hanger corrosion measuring devices are used, reclaimed water with the same water quality and capacity is added into each hanger corrosion measuring device, Q235B, 20 steel and stainless steel are hung in beakers of the three hanger corrosion measuring devices respectively, and the corrosion resistance of different pipeline materials is measured and researched.
Application example 3:
a coupon corrosion measuring device is used for measuring the influence factor of corrosion by adjusting the temperature or the flow rate under an experimental water sample and an experimental coupon.
The parallel experiment for researching corrosion can achieve the purpose of analysis by calculating the corrosion rate and combining with instrument methods such as an electrochemical workstation, an SEM, an EDS, a Fourier infrared tester and the like.
By means of the technical scheme, the simple and convenient hanging piece corrosion measuring device for pipeline simulation provided by the invention at least has one or more of the following advantages:
(1) the hanging piece is suspended and immersed in the water through the hanging piece rack, the water flow is rotated, the flow velocity is measured, the water flows instead of the hanging piece, and the authenticity of the flowing condition of the simulated corrosion device and the actual water pipeline is further restored.
(2) The hanging pieces are suspended and fixed at the same height of the container by utilizing the annular hanging piece ring, the hanging wires and the hanging piece clamp, the stirrer is stirred at the center of the bottom of the beaker to cause water flow to rotate, variable conditions such as water flow shearing force, dissolved oxygen, water temperature, pH value and corrosion inhibitor adding amount of a plurality of hanging pieces on one measuring device can be kept uniform, and experiment and result errors caused by uneven variables in parallel experiments are avoided.
(3) Can set up multiunit parallel arrangement and carry out the univariate experiment simultaneously, also can hang a plurality of lacing films simultaneously in every device and experiment, regularly take, be convenient for develop the relation research of degree of corrosion and water delivery time.
(4) The flow velocity monitoring probe is arranged to monitor the experimental flow velocity in real time, and result errors possibly caused by the fact that the relation between the hanging piece rotating shearing force and water flow is converted by using a calculation method are avoided.
(5) The device has the advantages of simple principle, stable operation and low cost, can continuously work and stably control the temperature for a long time, and has important application value for corrosion simulation experiments which can research results for a long time.
The background of the present invention may contain background information related to the problem or environment of the present invention and does not necessarily describe the prior art. Accordingly, the inclusion in the background section is not an admission of prior art by the applicant.
The foregoing is a more detailed description of the invention in connection with specific/preferred embodiments and is not intended to limit the practice of the invention to those descriptions. It will be apparent to those skilled in the art that various substitutions and modifications can be made to the described embodiments without departing from the spirit of the invention, and these substitutions and modifications should be considered to fall within the scope of the invention. In the description herein, references to the description of the term "one embodiment," "some embodiments," "preferred embodiments," "an example," "a specific example," or "some examples" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Various embodiments or examples and features of various embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction. Although embodiments of the present invention and their advantages have been described in detail, it should be understood that various changes, substitutions and alterations can be made herein without departing from the scope of the claims.
Claims (10)
1. The utility model provides a simple and convenient formula pipeline corrosion analog measurement device, its characterized in that, includes container, lacing film frame, lacing film, magnetic stirring device and velocity of flow monitoring probe, flourishing water in the container, the lacing film hangs on the lacing film frame and unsettled the immersion in the aquatic in the container, magnetic stirring device includes magnetic stirring platform and stirring, the container set up in magnetic stirring bench, the stirring with velocity of flow monitoring probe set up in the container, the stirring is in stir under magnetic stirring platform's the magnetic force action water in the container makes it flow, velocity of flow monitoring probe is used for the monitoring the velocity of flow of the water in the container.
2. The simple pipe corrosion simulation measuring device of claim 1, wherein the hanger bracket comprises a peripheral bracket and a hanger ring fixed at the center of the peripheral bracket, and the hanger is hung on the hanger ring.
3. The simple pipe corrosion simulation measuring device of claim 2, wherein the peripheral support has a plurality of vertical support legs and a plurality of cross beams fixed to the top of each support leg, and the hanger ring is fixed to the end of the plurality of cross beams extending toward the center.
4. The simple pipe corrosion simulation measuring device of claim 2 or 3, wherein the hanging ring is circular with a size smaller than the caliber of the container.
5. The simple and convenient pipeline corrosion simulation and measurement device as claimed in any one of claims 2 to 4, wherein one or more hanging wires are fixed on the hanging piece ring at intervals, and one or more hanging pieces are hung at the tail ends of the hanging wires.
6. The simple and convenient pipeline corrosion simulation measuring device as recited in claim 5, wherein a hanging piece clamp is fixed at the tail end of the hanging wire, and the hanging piece is clamped by the hanging piece clamp.
7. The simple pipe corrosion simulation measuring device according to any one of claims 1 to 6, wherein a heating device is disposed in the magnetic stirring table for heating water in the container, and the simple pipe corrosion simulation measuring device further comprises a temperature sensing probe disposed in the container for monitoring water temperature in the container.
8. The simple pipe corrosion simulation measuring device as claimed in any one of claims 1 to 7, further comprising a control device connected to the magnetic stirring device, wherein the control device is configured to control the rotation speed of the stirrer according to a flow rate control command, so as to achieve a corresponding flow rate of water in the container.
9. The simple pipe corrosion simulation measuring device of claim 7, further comprising a control device connected to the magnetic stirring device, wherein the control device is configured to control the rotation speed of the stirrer according to an externally inputted or programmed flow rate control command, so as to allow the water in the container to reach a corresponding flow rate, and to control the operation of the heating device according to an externally inputted or programmed temperature control command, so as to allow the water in the container to reach a corresponding temperature.
10. The simple pipe corrosion simulation measuring device of any one of claims 1 to 9, wherein the rack is a liftable structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202110701768.1A CN113358549A (en) | 2021-06-24 | 2021-06-24 | Simple and convenient pipeline corrosion simulation measuring device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110701768.1A CN113358549A (en) | 2021-06-24 | 2021-06-24 | Simple and convenient pipeline corrosion simulation measuring device |
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| CN113358549A true CN113358549A (en) | 2021-09-07 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114264591A (en) * | 2021-12-23 | 2022-04-01 | 中国兵器工业第五九研究所 | Device and method for evaluating corrosion appearance of metal standard part |
| CN115557593A (en) * | 2022-09-26 | 2023-01-03 | 天津大学 | Biological membrane experimental device for simulating automatic switching of flow velocity and using method thereof |
-
2021
- 2021-06-24 CN CN202110701768.1A patent/CN113358549A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114264591A (en) * | 2021-12-23 | 2022-04-01 | 中国兵器工业第五九研究所 | Device and method for evaluating corrosion appearance of metal standard part |
| CN115557593A (en) * | 2022-09-26 | 2023-01-03 | 天津大学 | Biological membrane experimental device for simulating automatic switching of flow velocity and using method thereof |
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