CN211292505U - Corrosion simulation experiment device of liquid communication pipeline - Google Patents
Corrosion simulation experiment device of liquid communication pipeline Download PDFInfo
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- CN211292505U CN211292505U CN201922005517.0U CN201922005517U CN211292505U CN 211292505 U CN211292505 U CN 211292505U CN 201922005517 U CN201922005517 U CN 201922005517U CN 211292505 U CN211292505 U CN 211292505U
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Abstract
The utility model provides a corrosion simulation experiment device of a liquid through pipeline, which comprises a liquid supply box, a liquid inlet and a liquid outlet, wherein a closed loop circulation structure is formed by the communication of the pipelines; the simulation heat exchanger is provided with a liquid inlet end and a liquid outlet end which are respectively communicated with the liquid supply tank through pipelines; the simulation heat exchange tube is connected with the liquid outlet end of the simulation heat exchanger; the transparent observation cover is arranged on the outer side of the simulation heat exchange tube, and a corrosion test piece made of the same material as the simulation heat exchange tube is arranged in the transparent observation cover. The corrosion simulation experiment device of the liquid communication pipeline with the structure is characterized in that a liquid inlet and a liquid outlet of a liquid supply box are communicated through a pipeline to form a closed loop circulation structure; the simulated heat exchanger and the simulated heat exchange tube are sequentially arranged on the pipeline, the transparent observation cover is arranged outside the simulated heat exchange tube, the corrosion test piece is placed in the transparent observation cover, and the corrosion condition of the corrosion test piece is directly observed through the transparent observation cover, so that the corrosion condition of the simulated heat exchange tube is obtained, and the corrosion condition of the simulated heat exchanger is further synchronously known; the experiment was visualized.
Description
Technical Field
The utility model belongs to the technical field of corrode simulation experiment device, concretely relates to corrosion simulation experiment device of liquid pipeline leads to.
Background
The liquid pipeline is complex in internal structure and working environment, and the research on corrosion problem is always a concern.
The corrosion in the pipeline can perforate the pipeline, so that the pipeline is damaged, and after the pipeline is corroded for a long time, the fine damage of the pipeline is more and more serious in the using process and gradually becomes large-area damage, so that the service life of the pipeline is shortened; corrosion products can be generated while the internal corrosion is carried out, and under the long-term accumulation, the corrosion products are increased increasingly, so that the pipeline is blocked, and the normal use of the pipeline is influenced; pipe explosion can occur in severe cases, which causes damage to manpower and financial resources.
The heat exchange tube is one of important parts of the heat exchanger, the safety of the heat exchange tube is one of important parameters of the heat exchanger, and the working condition is generally high temperature, high pressure and flowing media (liquid, liquid vapor and the like). The existing conventional test and inspection can only detect inherent properties such as tensile strength, and the corrosion performance characterization of the heat exchange tube under actual operation conditions, particularly under the working condition of high-pressure liquid circulation cannot be carried out through conventional test equipment.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a corrosion simulation experiment device of liquid pipeline is provided, the inside corruption condition of the heat exchange tube under the research high pressure liquid circulation.
Therefore, the utility model provides a corrosion simulation experiment device of liquid pipeline leads to, include:
the liquid supply box is provided with a liquid inlet and a liquid outlet which are communicated through a pipeline to form a closed loop circulation structure;
the simulation heat exchanger is provided with a liquid inlet end and a liquid outlet end which are respectively communicated with a liquid inlet and a liquid outlet of the liquid supply tank through the pipelines;
the simulation heat exchange pipe is connected with the liquid outlet end of the simulation heat exchanger through the pipeline;
and the transparent observation cover is covered on the outer side of the simulation heat exchange tube and is internally provided with a corrosion test piece made of the same material as the simulation heat exchange tube.
Optionally, the corrosion simulation experiment device of the liquid pipeline further comprises
The pressure adjusting device is arranged on the pipeline between the liquid outlet of the liquid supply tank and the liquid inlet end of the simulated heat exchanger; and
and the pressure display device is arranged on the pipeline and used for displaying the pressure of the liquid in the pipeline.
Optionally, the pressure display device includes two pressure display devices, one of the two pressure display devices is disposed on the pipeline between the liquid inlet end of the simulated heat exchanger and the pressure adjusting device; the other is arranged on the pipeline between the liquid outlet end of the simulation heat exchanger and the simulation heat exchange pipe.
Optionally, the corrosion simulation experiment device for the liquid communication pipeline further comprises a liquid pumping device arranged on the pipeline between the liquid outlet of the liquid supply tank and the pressure adjusting device, and a first switch used for controlling the liquid pumping device to start and stop.
Optionally, the corrosion simulation experiment device for the liquid communication pipeline further comprises a heating device arranged in the liquid supply tank;
the temperature control device is electrically connected with the heating device and comprises a temperature display device and a second switch for controlling the heating device to start and stop;
and the control device is fixedly arranged on the outer side wall of the liquid supply box and is electrically connected with the liquid pumping device and the temperature control device.
Optionally, the corrosion simulation experiment device of liquid pipe way leads to, the liquid feed box is open-topped frame column structure, the liquid outlet sets up the diapire of liquid feed box, the inlet sets up on the lateral wall or the roof of liquid feed box.
Optionally, the corrosion simulation experiment device of liquid pipeline that leads to, be equipped with filter equipment in the liquid supply tank, filter equipment's bottom is equipped with the infiltration mouth, the infiltration mouth with the liquid outlet is linked together.
Optionally, a corrosion simulation experiment device who leads to liquid pipeline, the inside baffle that is equipped with vertical arrangement of liquid supply box, the bottom of baffle with the diapire rigid coupling of liquid supply box and inciting somebody to action the liquid supply box internal partitioning becomes out liquid district and feed liquor district two parts, filter equipment sets up in the play liquid district.
Optionally, the corrosion simulation experiment device for the liquid communication pipeline is characterized in that an overflow port is formed in the top of the partition plate, and the liquid inlet area is communicated with the liquid outlet area through the overflow port.
Optionally, the corrosion simulation experiment device of liquid pipe way that leads to, transparent observation cover adopts transparent glass material.
The utility model discloses technical scheme has following advantage:
1. the utility model provides a pair of corrosion simulation experiment device of liquid pipeline leads to, include:
the liquid supply box is provided with a liquid inlet and a liquid outlet which are communicated through a pipeline to form a closed loop circulation structure;
the simulation heat exchanger is provided with a liquid inlet end and a liquid outlet end which are respectively communicated with a liquid inlet and a liquid outlet of the liquid supply tank through the pipelines;
the simulation heat exchange tube is made of metal material the same as that of the heat exchange tube in the simulation heat exchanger and is connected with the liquid outlet end of the simulation heat exchanger through the pipeline;
and the transparent observation cover is covered on the outer side of the simulation heat exchange tube and is internally provided with a corrosion test piece made of the same material as the simulation heat exchange tube.
The corrosion simulation experiment device of the liquid communication pipeline with the structure is characterized in that a liquid inlet and a liquid outlet of a liquid supply box are communicated through a pipeline to form a closed loop circulation structure; the simulated heat exchanger and the simulated heat exchange tube are respectively arranged on the pipeline and used for simulating the use environment of the heat exchanger, the transparent observation cover is arranged outside the simulated heat exchange tube, the corrosion test piece with the same material as the simulated heat exchange tube is placed in the transparent observation cover, and the corrosion condition of the corrosion test piece is directly observed through the transparent observation cover, so that the corrosion condition of the simulated heat exchange tube is obtained, and the corrosion condition of the simulated heat exchanger is synchronously known; the experiment was visualized.
2. The utility model provides a corrosion simulation experiment device of liquid communication pipeline, which also comprises a pressure adjusting device and a pressure display device, wherein the pressure adjusting device adjusts the liquid pressure required by the experiment, and different liquids are simulated to press down the corrosion condition of the simulation heat exchanger; the pressure display device is used for displaying the liquid pressure of the pipeline, so that the experiment is visual.
3. The utility model provides a pair of corrosion simulation experiment device of liquid pipeline still includes heating device and temperature control device, opens through temperature control device control heating device and stops, according to different work condition demand regulating fluid body temperature, under the simulation different temperatures, simulates the corruption condition of heat exchanger, sets up control by temperature change display device simultaneously for show fluid body temperature, make the experiment visual.
4. The utility model provides a pair of corrosion simulation experiment device of liquid pipeline leads to still includes the drawing liquid device, is convenient for take the inside liquid of liquid feed box out through the drawing liquid device.
5. The utility model provides a pair of corrosion simulation experiment device of liquid pipeline still includes filter equipment, through filter equipment's setting for impurity such as iron rust to in the circulating fluid filters, keeps entering into the purity of the liquid of simulation heat exchanger feed liquor end, improves the accuracy of experiment.
6. The utility model provides a pair of corrosion simulation experiment device in liquid pipeline leads to, still include the baffle, be equipped with the overflow mouth on the baffle, the baffle is divided into two with the feed tank, forms into the liquid district and goes out the liquid district, and the feed liquor district is used for collecting the liquid that the circulation entered into the feed tank behind simulation heat exchanger and the simulation heat exchange tube, goes out the liquid district and is used for providing pure liquid to the feed liquor end of simulation heat exchanger, and the liquid that advances the liquid district and go out the liquid district circulates through the overflow mouth and forms liquid circulation.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a front view of a corrosion simulation test device for liquid communication lines according to an embodiment of the present invention;
fig. 2 is a schematic view of a liquid supply tank of the corrosion simulation experiment apparatus for liquid communication pipeline in an embodiment of the present invention.
Description of reference numerals:
1-a liquid supply tank;
2-a pipeline;
3-simulating a heat exchanger; 31-liquid inlet end; 32-liquid outlet end;
4, simulating a heat exchange tube;
5-transparent observation cover;
6-a pressure regulating device;
7-a pressure display device;
8-a liquid extraction device;
9-a control device; 91-temperature display means; 92-a second switch; 93-a first switch;
10-a top wall;
11-a liquid inlet;
12-a liquid inlet zone;
13-a liquid outlet zone;
14-a filtration device; 141-a permeation port;
15-a separator; 151-overflow.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Example 1
The corrosion simulation experiment device of a logical liquid pipeline of this embodiment, the utility model discloses a liquid includes liquid medium such as water, and this embodiment uses water to explain as the medium. As shown in fig. 1 to 2, the device comprises a liquid supply tank 1, a pipeline 2, a simulated heat exchanger 3, a simulated heat exchange tube 4, a transparent observation cover 5, a corrosion test piece (not shown), a pressure adjusting device 6, a pressure display device 7, a liquid pumping device 8, a heating device (not shown), a control device 9, a filtering device 14 and a partition plate 15, wherein the liquid supply tank 1 is provided with a liquid inlet 11 and a liquid outlet (not shown), and the liquid inlet 11 and the liquid outlet are communicated through the pipeline 2 to form a closed loop circulation structure; the simulation heat exchanger 3 is internally provided with a heat exchange tube (not shown) made of metal, the heat exchange tube is arranged in a spiral or U-shaped structure, the simulation heat exchanger 3 is provided with a liquid inlet end 31 and a liquid outlet end 32, the liquid inlet end 31 and the liquid outlet end 32 are both communicated with the heat exchange tube inside the simulation heat exchanger 3, and the liquid inlet end 31 and the liquid outlet end 32 of the simulation heat exchanger 3 are respectively connected with a liquid outlet and a liquid inlet 11 of the liquid supply tank 1 through a pipeline 2; the simulation heat exchange tube 4 is made of the same material as the heat exchange tube in the simulation heat exchanger 3 and is connected to the liquid outlet end 32 of the simulation heat exchanger 3 through the pipeline 2; the transparent observation cover 5 is covered on the outer side of the simulation heat exchange tube 4, and the simulation heat exchange tube 4 is communicated with the liquid inlet 11 of the liquid supply tank 1 through the pipeline 2; the pressure adjusting device 6 is arranged on the pipeline 2 between the liquid inlet end 31 of the simulation heat exchanger 3 and the liquid outlet of the liquid supply tank 1 and is used for adjusting the pressure of circulating water; the pressure display devices 7 are arranged on the pipeline 2 and used for displaying the water pressure in the pipeline 2; the liquid pumping device 8 is arranged on the pipeline 2 between the liquid outlet of the liquid supply tank 1 and the pressure regulating device 6 and is used for pumping the liquid in the liquid supply tank 1 out of the liquid outlet; the heating device is arranged in the liquid supply tank 1 and used for heating water in the liquid supply tank 1 to adjust the temperature of the water; the control device 9 is arranged on the outer side wall of the liquid supply tank 1, such as the left side wall shown in fig. 1, the control device 9 is electrically connected with the heating device and the liquid pumping device 8, and comprises a temperature control device and a first switch 93 for controlling the start and stop of the liquid pumping device 8, and the temperature control device comprises a temperature control display 91 and a second switch 92 for controlling the start and stop of the heating device; the partition plate 15 is arranged in the liquid supply tank 1 to divide the liquid supply tank 1 into the liquid inlet area 12 and the liquid outlet area 13, the overflow port 151 is formed in the partition plate 15, and water in the liquid inlet area 12 enters the liquid outlet area 13 through the overflow port 151, so that water circulation is realized; a filtering device 14 is disposed in the liquid outlet region 13 for filtering and removing impurities in the water, such as rust, etc., after circulating from the pipe 2 to the liquid inlet region 12.
For the liquid supply tank 1, the liquid supply tank 1 is in a frame-shaped structure with an open top, for example, as shown in fig. 2, the top of the liquid supply tank 1 is in a half-open state, that is, a top wall 10 is arranged on one side of the top of the liquid supply tank 1, that is, on the left side shown in fig. 2, a liquid inlet 11 is arranged on the top wall 10, and the other side, that is, the right side shown in fig. 2, is open; the partition plate 15 is vertically arranged in the middle of the liquid supply tank 1, the bottom of the partition plate 15 is fixedly and hermetically connected with the bottom wall of the liquid supply tank 1, the liquid supply tank 1 is divided into two parts, namely a liquid inlet area 12 and a liquid outlet area 13, the top of the partition plate 15 is provided with an overflow port 151 transversely penetrating through the partition plate 15, water in the liquid inlet area 12 and the liquid outlet area 13 flows through the overflow port 151, namely the overflow port 151 has a certain distance from the bottom and the top of the liquid supply tank 1, and the distance from the overflow port 151 to the bottom is far greater than the distance from the top, of course, the height of the partition 15 is lower than that of the liquid supply tank 1, and the height of the overflow port 151 is lower than that of the partition 15, so that, when the water in the liquid outlet area 13 circulates through the pipe 2 into the liquid inlet area 12, when the water amount in the liquid inlet area 12 exceeds the position of the overflow port 151, the water flows into the liquid outlet area 13 from the overflow port 151 due to the action of gravity, so that the water circulation in the liquid supply tank 1 is realized; the filtering device 14 is vertically arranged in the liquid outlet area 13, the bottom of the filtering device 14 is provided with a penetration port 141, and the penetration port 141 is communicated with a liquid outlet arranged at the bottom of the liquid supply tank 1. The structure, material and operation of the filter device 14 are not described or limited in detail herein, and are prior art and are not the subject of the present invention, such as conventional filter cotton core. As an alternative embodiment, the utility model discloses a supply tank 1 top is all openings, and under this kind of circumstances, inlet 11 can set up on the lateral wall top of supply tank 1, for example sets up on the left side wall top of supply tank 1, communicates with feed liquor district 12. The arrangement of the filtering device 14 and the partition 15 is not described or limited herein, as long as the bottom of the partition 15 and the bottom wall of the liquid supply tank 1 can be fixed in a sealing manner, for example, welding or other fixing manners may be used, the fixing of the filtering device 14 may be performed by arranging an installation groove (not shown) in the bottom wall of the liquid supply tank 1, embedding and fixing the filtering device 14 in the installation groove, or directly placing the filtering device 14 in the liquid outlet area 13, or the like, and the invention is not limited or described in the prior art. The shapes and numbers of the permeation holes 141 and the overflow holes 151 are not limited and described herein, for example, the shapes may be square, circular, etc., and the numbers may be one, two, three, etc., which is not the invention point of the present invention. The top opening of the liquid supply tank 1 is arranged, so that liquid can be conveniently added into the liquid supply tank.
To the material of simulation heat exchange tube 4, for the metal material, for example stainless steel, iron, copper etc. do not specifically do the restriction, the utility model discloses use the stainless steel material to explain as an example, correspondingly, the material of corrosion test piece also is the stainless steel, to the setting mode of corrosion test piece, can adopt the mode of hanging, for example hang through materials such as nylon wire or nickel chromium silk etc. with liquid flow direction parallel arrangement in the simulation heat exchange tube 4, the detailed description and restriction are not done to the specific setting mode, for prior art, not the utility model discloses an invention point.
For the heating device, for example, a U-shaped heating pipe or a finned heating pipe, etc., may be disposed in the liquid outlet area 13 of the liquid supply tank 1, or may be directly disposed on the side wall and the bottom wall of the liquid supply tank 1, and specifically, the heating device is not limited to this, and for the prior art, a person skilled in the art may select and design the heating device according to actual situations. The material of the heating tube is not limited or described, and is a copper tube or a carbon steel tube or a stainless steel tube or a titanium tube and the like which are provided with heating resistance wires in the prior art, which is not the invention point of the utility model.
For the pressure adjusting device 6, such as a conventional pressure adjusting valve, the specific structure and operation principle are not limited and described, but are not the point of the present invention.
For the pressure display device 7, such as a conventional pressure gauge, the specific structure and operation principle are not limited and described herein, which is not the point of the present invention.
The specific structure and operation of the pumping device 8, such as a conventional liquid pump, are not limited and described herein, but are not intended to be inventive.
The materials of the pipe 2 and the liquid supply tank 1, such as conventional high temperature and high pressure resistant PVC plastic pipes, are not specifically described and limited, but are not the invention of the present invention.
The transparent observation cover 5 is, for example, tubular, is coaxially sleeved with the simulation heat exchange tube 4, and has an inner diameter larger than the outer diameter of the simulation heat exchange tube 4; as for the material of transparent observation cover 5, can be the transparent glass material, it should be explained that, transparent observation cover 5 internal pressure and liquid flow rate are unanimous in also the pipeline 2 with the experiment pipeline, can place the test block in transparent observation cover 5 the corrosion situation of visual observation pipeline material in this environment, thereby the direct visual observation of the corrosion condition of observing the inside corrosion test block of being convenient for learns the corrosion condition of simulation heat exchange tube 4, and then learns the corrosion condition of the inside heat exchange tube of simulation heat exchanger 3 in step.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications can be made without departing from the scope of the invention.
Claims (10)
1. The utility model provides a corrosion simulation experiment device of liquid pipeline which characterized in that includes:
the liquid supply box (1) is provided with a liquid inlet (11) and a liquid outlet, and the liquid inlet (11) and the liquid outlet are communicated through a pipeline (2) to form a closed loop circulation structure;
the simulation heat exchanger (3) is provided with a liquid inlet end (31) and a liquid outlet end (32) which are respectively communicated with a liquid outlet and a liquid inlet (11) of the liquid supply tank (1) through the pipeline (2);
the simulation heat exchange tube (4) is connected with the liquid outlet end (32) of the simulation heat exchanger (3) through the pipeline (2);
and the transparent observation cover (5) is covered on the outer side of the simulation heat exchange tube (4) and is internally provided with a corrosion test piece made of the same material as the simulation heat exchange tube (4).
2. The corrosion simulation experiment device of the liquid communication pipeline according to claim 1, further comprising
The pressure adjusting device (6) is arranged on the pipeline (2) between the liquid outlet of the liquid supply tank (1) and the liquid inlet end (31) of the simulation heat exchanger (3); and
and the pressure display device (7) is arranged on the pipeline (2) and is used for displaying the pressure of the liquid in the pipeline (2).
3. The corrosion simulation experiment device of a liquid pipeline according to claim 2, wherein the pressure display device (7) comprises two pressure display devices, one of which is arranged on the pipeline (2) between the liquid inlet end (31) of the simulated heat exchanger (3) and the pressure adjusting device (6); the other is arranged on the pipeline (2) between the liquid outlet end (32) of the simulated heat exchanger (3) and the simulated heat exchange tube (4).
4. The corrosion simulation experiment device of the liquid communication pipeline according to claim 2, further comprising a liquid pumping device (8) arranged on the pipeline (2) between the liquid outlet of the liquid supply tank (1) and the pressure regulating device (6), and a first switch (93) for controlling the liquid pumping device (8) to start and stop.
5. The corrosion simulation experiment device of the liquid communication pipeline according to claim 4, further comprising a heating device arranged in the liquid supply tank (1);
the temperature control device is electrically connected with the heating device and comprises a temperature display device (91) and a second switch (92) for controlling the heating device to start and stop;
and the control device (9) is fixedly arranged on the outer side wall of the liquid supply box (1) and is electrically connected with the liquid pumping device (8) and the temperature control device.
6. The corrosion simulation experiment device of the liquid communication pipeline according to any one of claims 1 to 5, wherein the liquid supply tank (1) is of a frame-shaped structure with an open top, the liquid outlet is arranged on the bottom wall of the liquid supply tank (1), and the liquid inlet (11) is arranged on the side wall or the top wall (10) of the liquid supply tank (1).
7. The corrosion simulation experiment device of the liquid communication pipeline according to claim 6, wherein a filtering device (14) is arranged in the liquid supply tank (1), a permeation port (141) is arranged at the bottom of the filtering device (14), and the permeation port (141) is communicated with the liquid outlet.
8. The corrosion simulation experiment device of the liquid communication pipeline according to claim 7, wherein a partition plate (15) is vertically arranged inside the liquid supply tank (1), the bottom of the partition plate (15) is fixedly connected with the inner bottom wall of the liquid supply tank (1) and divides the inside of the liquid supply tank (1) into a liquid outlet area (13) and a liquid inlet area (12), and the filtering device (14) is arranged in the liquid outlet area (13).
9. The corrosion simulation experiment device of the liquid communication pipeline according to claim 8, wherein an overflow port (151) is formed at the top of the partition plate (15), and the overflow port (151) connects the liquid inlet area (12) and the liquid outlet area (13).
10. The corrosion simulation experiment device of the liquid communication pipeline according to claim 1, wherein the transparent observation cover (5) is made of transparent glass.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922005517.0U CN211292505U (en) | 2019-11-18 | 2019-11-18 | Corrosion simulation experiment device of liquid communication pipeline |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922005517.0U CN211292505U (en) | 2019-11-18 | 2019-11-18 | Corrosion simulation experiment device of liquid communication pipeline |
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| CN211292505U true CN211292505U (en) | 2020-08-18 |
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| CN201922005517.0U Active CN211292505U (en) | 2019-11-18 | 2019-11-18 | Corrosion simulation experiment device of liquid communication pipeline |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115628511A (en) * | 2022-09-08 | 2023-01-20 | 宁波奥克斯电气股份有限公司 | Heat exchange circulating device, corrosion detection method and air conditioner |
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2019
- 2019-11-18 CN CN201922005517.0U patent/CN211292505U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115628511A (en) * | 2022-09-08 | 2023-01-20 | 宁波奥克斯电气股份有限公司 | Heat exchange circulating device, corrosion detection method and air conditioner |
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