Sensor-integrated sacrificial electrode and leakage prevention system including sacrificial electrode

Abstract

The present invention relates to a sensor-integrated sacrificial electrode and a leakage prevention system including the sacrificial electrode and, more specifically, to a sensor-integrated sacrificial electrode and a leakage prevention system including the sacrificial electrode, wherein the sensor-integrated sacrificial electrode is mounted on a pipe to suppress corrosion that may occur in the pipe and a structure connected to the pipe, detects and monitors the progress of corrosion to facilitate maintenance, and has a function of preventing leakage that may occur due to corrosion. The present invention provides a sacrificial electrode which detects corrosion of a pipe and a flange by connecting a detection electrode to a positive electrode body (10) consisting of an initial oxidation unit (12) and a corrosion progress unit (11), wherein a binding means (20) having binding holes (21) formed toward the positive electrode body (10) from the front end of a binding piece (24) protruding in at least one direction from the positive electrode body (10) is included; and a corrosion detection sensor (30) is included in which detection electrodes (31) coupled to the binding holes (21) to detect a corrosion current of the corrosion progress unit (11) generated in the corrosion progress unit (11) are installed, to which the binding means (20) including the binding holes (21) coupled to the detection electrodes (31) is coupled, and which detects a corrosion current to notify the occurrence of corrosion.

Description

Sensor-integrated sacrificial electrode and leakage prevention system including the sacrificial electrode

[0001] The present invention relates to a sensor-integrated sacrificial electrode and a leak prevention system including the sacrificial electrode, and more particularly, to a sensor-integrated sacrificial electrode and a leak prevention system including the sacrificial electrode, which is mounted on a pipe to suppress corrosion that may occur in the pipe and a structure connected to the pipe, detect and monitor the progress of corrosion to facilitate maintenance and management, and have a function of preventing leakage that may occur due to corrosion.

[0002] Recently, the supply of liquids is using a piping structure, and among various embodiments, the ground heat exchange system that uses geothermal heat in the ground to perform heating and cooling is widely used. These ground heat exchange systems are generally broadly divided into a method that circulates water by burying non-metallic pipes such as HDPE underground, and a method that circulates geothermal heat underground by burying metal pipes such as copper pipes underground and circulating a refrigerant such as Freon.

[0003] Here, as mentioned above, the method of circulating refrigerant by burying metal pipes underground is called a direct expansion (DX) type underground heat exchange system, and in the case of burying metal pipes underground in this way, corrosion occurs on the metal surface over time, so in order to extend the life of not only the buried pipes but also the entire system, corrosion prevention treatment is performed to prevent corrosion of the buried pipes.

[0004] Representative methods for preventing corrosion of metal pipes buried underground include, for example, the sacrificial anode method and the cathodic protection method. First, the sacrificial anode method is a method for preventing corrosion of metal pipes by using a metal that corrodes more easily than the metal to be protected as a sacrificial anode.

[0005] In addition, the external power method utilizes the principle that when an external current (protection current) is artificially introduced into a metal such as a pipe, the current flows into the cathode part with a high potential, the potential of the cathode part gradually decreases, and the potential of the cathode part and the potential of the anode part become the same, and as a result, the corrosion current formed on the metal surface naturally disappears, corrosion stops, and the metal such as the pipe is in a completely corrosion-resistant state. At this time, the potential of the local cathode that is at the same potential as the local anode is called the corrosion potential, and the current required to reach the protection potential is called the protection current. In addition, the protection current density refers to the current per unit area required for actual cathodic protection.

[0006] More specifically, the sacrificial anode method can be broadly divided into the magnesium anode (Mg-Anode) method, the aluminum anode (Al-Anode) method, and the zinc anode (Zn-Anode) method.

[0007] First, the magnesium anode (Mg-Anode) method is a method that uses a magnesium anode (Mg-Anode) with a large effective potential difference for iron and a large electrochemical equivalent, as aluminum or zinc cannot be used in the sacrificial anode method of freshwater and general soil systems due to the large soil resistivity and seawater resistance.

[0008] That is, magnesium anodes (Mg-Anodes) are used in underground pipes and small tank systems, and there are two types: a centralized type (BED type) in which the anodes are installed in one place to reduce the number of installation locations, and a distributed type (DISTRIBUTION type) in which the anodes are installed at equal intervals parallel to the pipeline.

[0009] In addition, the aluminum anode (Al-Anode) method is a method of preventing and preventing corrosion by electrically connecting a low-potential metal with a high electromotive force to the metal to be corroded and supplying a corrosion current, taking into account that metals in seawater are exposed to a fatal corrosive environment depending on the concentration of salt in the seawater, the concentration of dissolved oxygen, the amount of impurities, the flow rate, the temperature, etc.

[0010] At this time, Al is mainly used in an alloy state, and the types of alloys include Al-Zn-Hg system, Al-Zn-In-Cd system, Al-Zn-In-Sn system, Al-Zn-MgIn-Ca system, etc. The reason why pure aluminum is not used is because pure Al is easily oxidized and passivated, so it is used in an alloy state.

[0011] In addition, the zinc anode (Zn - Anode) method is widely used as a covering material for steel, etc., and as a dielectric anode for electrical protection. Although the zinc anode has the highest efficiency among the anodes used in the sacrificial anode type electrical protection, it has the disadvantage of being unsuitable for large products with a long lifespan due to its high specific gravity and weak material strength compared to aluminum. However, since it does not generate an arc upon impact, it is suitable for use in areas where flammable gases are generated, and it is used in seawater and sea soil applied to marine structures, underground pipelines, and storage tanks, and is used as backfill around the anode on land.

[0012] Here, as an example of a conventional technology for a corrosion prevention method using the existing sacrificial anode method as described above, for example, according to "Control valve for corrosion prevention" presented in Korean Patent No. 10-0540392, a technical content has been presented that connects a sacrificial anode directly or using a wire to a joint part of a control valve to induce a corrosion current generated in the control valve to the sacrificial anode to cause corrosion, thereby extending the life of the valve, and according to "Corrosion prevention device" presented in Korean Utility Model No. 200347880, a technical content has been presented that effectively prevents corrosion of a corroded object by connecting a sacrificial anode to the corroded object using a wire instead of directly connecting it to the corroded object.

[0013] Moreover, according to the "Forced Current Application Device for Marine Structures with Reference Electrode Removed" presented in Korean Patent No. 10-0523331, a technical content was presented that can reduce installation costs by eliminating the need for a reference electrode installed using a separate watertight device in marine structures such as ships, and according to the "Installation Method for Prefabricated Steel Structure Piers with Excellent Corrosion Resistance" presented in Korean Patent No. 10-1071353, a technical content was presented that prevented corrosion of the outer surface of the piers by cathodic polarization of the outer surface of the piers using an electric cathode method. However, the conventional sacrificial anode method, for example, had the problem that when the sacrificial anode material such as a magnesium anode is all consumed, electric cathode work must be performed on the buried piping again to install new magnesium even if there is no problem with the piping, and this also had the inconvenience of increasing maintenance costs.

[0014] That is, in the case of the conventional sacrificial anode method, for example, if the sacrificial anode is consumed faster than its expected lifespan at the time of initial installation due to some unforeseen reason at the time of initial installation, this fact cannot be detected above ground, and thus the timing for sacrificial anode replacement is missed, causing corrosion to occur in the metal pipe. Similarly, after installing the sacrificial anode underground, it is impossible to detect how much the sacrificial anode has been consumed, so the exact timing for replacement cannot be determined, and if the timing for sacrificial anode replacement is missed, there is a risk of corrosion occurring in the metal pipe.

[0015] Therefore, in order to solve the problems of the prior art as described above, it is desirable to provide a corrosion prevention method using a new sacrificial anode that can effectively prevent corrosion of underground metal pipes without the need to periodically replenish sacrificial anode material for corrosion prevention, while reducing inconvenience and operating costs due to frequent maintenance. However, a device or method that satisfies all of these needs has not yet been provided.

[0016] Korean Patent Publication No. 10-1445095 discloses a sacrificial flange that is mounted on a pipe through which a fluid flows to suppress corrosion of the pipe and a mechanical device connected to the pipe, the sacrificial flange including: a body having a fluid flow passage through which a fluid can flow; and a corrosion detection hole formed in the body so as to detect corrosion of the body due to a fluid flowing in the fluid flow passage.

[0017] In addition, the body may be an annular shape having an outer surface and an inner surface, the fluid flow passage may be partitioned by the inner surface of the body, the corrosion confirmation hole may be introduced from the outer surface of the body toward the inner surface, the material of the sacrificial flange may be mild steel, and the material of the sacrificial flange may be SS400.

[0018] It has been disclosed that a pump assembly can be provided, comprising the sacrificial flange described above; and a pump having a fluid inlet, a fluid outlet, and an impeller for discharging fluid introduced into the fluid inlet to the fluid outlet; wherein the sacrificial flange is disposed between the pipe and the fluid inlet.

[0019] However, there was an inconvenience in that corrosion could only be confirmed through a corrosion confirmation hole formed in the body, and it was not possible to notify the user or manage it, and furthermore, there was a defect in that it could not be replaced or appropriate measures taken when placed in a bad environment.

[0020] The present invention was devised to overcome these conventional shortcomings, and the purpose of the present invention is to apply a flange-shaped corrosion detection device to a pipe or flange structure containing a metal material, so as to detect the possibility of leakage and damage at an early stage and solve the problem, depending on the state of the sacrificial anode in the pipe or flange structure.

[0021] Another object of the present invention is to provide a sacrificial anode structure of various shapes by connecting a corrosion detection sensor to a protruding handle and installing it together with a pipe or flange.

[0022] Another problem solved by the present invention is to monitor the corrosion status of the target object through a communication network by connecting a leak detection server using a corrosion detection sensor, thereby preventing corrosion and over-treatment of the target object, providing stability in maintenance, and managing the same through a PC, server, and smartphone.

[0023] The present invention relates to a sacrificial electrode that detects corrosion of pipes and flanges by connecting a detection electrode to an anode body consisting of an initial oxidation portion and a corrosion portion.

[0024] It includes a fastening means in which a fastening hole is formed toward the anode body at the tip of a fastening piece protruding in at least one direction from the anode body,

[0025] A detection electrode is installed to detect the corrosion current of the corrosion progressing part that occurs in the corrosion progressing part by being connected to the above-mentioned bonding hole.

[0026] A bonding means including a bonding hole to which the above-mentioned electrode is bonded is bonded, and a corrosion detection sensor that detects corrosion current and notifies corrosion is included.

[0027] The above-mentioned binding means includes a binding piece in which at least one binding hole is formed, and a plurality of binding means protrude in the shape of a handle from the anode body and include a detection electrode embedded therein.

[0028] The above-mentioned bonding means includes a bonding projection having a bonding hole formed on both sides of the entrance of the bonding hole and bonded to a corrosion detection sensor.

[0029] The above corrosion detection sensor includes a detection electrode connected and embedded in a bonding hole, a cover and a main body separated, a bonding projection bonded to a bonding groove formed in the main body, and then fixed to the bonding hole.

[0030] The above corrosion detection sensor includes an alarm unit installed on the upper side to notify of corrosion, or at least one detection lamp installed on the side to light up and notify of corrosion information.

[0031] The present invention comprises a flange connected to an end of a pipe and having a fastening hole formed along an outer circumference thereof,

[0032] A flange connected to the end of the pipe connected to the above pipe and having a fastening hole formed along the outer circumference,

[0033] A bonding means is formed by forming a bonding piece that protrudes in at least one direction from an anode body that is positioned between the above flanges and has a through hole formed along the outer periphery,

[0034] The detection electrodes are formed on both sides of the above-mentioned anode body, and the anode body is fastened by passing a fastening bolt through the fastening hole and the through hole and fastening it with a fastening nut.

[0035] The above-mentioned construction electrode is connected to a connecting means and includes a corrosion detection sensor that detects corrosion current and notifies corrosion.

[0036] The present invention is characterized by comprising: a sacrificial anode-attached corrosion detector having a corrosion detection sensor attached to each of a plurality of first to nth corrosion detectors on an anode body installed between flanges connected to a pipe; a facility management terminal comprising a server and a PC of a manager responsible for the maintenance of the target by monitoring the corrosion status of the sacrificial anode-attached corrosion detector in real time and preventing corrosion and excessive corrosion of the target; and a leak detection server which is a server of a supplier of sacrificial anodes having the corrosion detection sensor attached thereto;

[0037] The present invention is applied in the form of a flange to a corrosion detection material such as a pipe containing a metal material according to the state of a sacrificial anode in a pipe or flange structure, and provides the function of early detection of the possibility of leakage and damage, and the effect of detecting the degree of corrosion and solving various problems arising due to corrosion.

[0038] The present invention provides various types of sacrificial anode structures by connecting a corrosion detection sensor to a handle protrusion that is installed together with a pipe or flange, and provides the effect of detecting corrosion and the degree of corrosion progress to enable repair.

[0039] The present invention monitors the corrosion status of an application target through a communication network by connecting a leak detection server using a corrosion detection sensor, thereby preventing and managing corrosion and excessive corrosion of the application target, and provides stability in maintenance, and provides the effect of improving the stability in maintenance of the application target by enabling management through a PC, server, and smartphone.

[0040] Figure 1a is an example diagram showing a plan view and cross-section of a conventional sacrificial anode.

[0041] Figure 1b is a cross-sectional view showing the flange assembly state of a conventional sacrificial anode.

[0042] Figure 2 is a perspective view showing a preferred embodiment of the present invention in a separated state.

[0043] Figure 3 is a perspective view of a bolt penetration type sacrificial anode of the present invention in a separated state.

[0044] Figure 4 is a perspective view of a separated state of an embodiment in which multiple bonding means are applied to the sacrificial anode of the present invention.

[0045] Figure 5 is a perspective view of a separated state of an embodiment of a ring-shaped application of an electrode to a sacrificial anode of the present invention.

[0046] Figure 6a is a perspective view of the installation state of the fastening means for the sacrificial anode of the present invention.

[0047] Figure 6b is a perspective view of the sacrificial anode bonding means of the present invention in a separated state.

[0048] Figure 7 is a perspective view of another embodiment of the corrosion detection sensor of the present invention.

[0049] Figure 8 is a plan view showing the corrosion state of the sacrificial anode of the present invention.

[0050] Figure 9a is a cross-sectional view of the installation state in which the sacrificial anode of the present invention is applied to a flange structure.

[0051] Figure 9b is a perspective view of the separated state in which the sacrificial anode of Figure 9a of the present invention is applied to a flange structure.

[0052] Figure 10a is a cross-sectional view of another installation state in which the sacrificial anode of the present invention is applied to a flange structure.

[0053] Figure 10b is a perspective view of the separated state in which the sacrificial anode of Figure 10a of the present invention is applied to a flange structure.

[0054] Figure 10c is a side view of the sacrificial anode of Figure 10a of the present invention applied to a flange structure.

[0055] Figure 11a is a cross-sectional view of another installation state in which the sacrificial anode of the present invention is applied to a flange structure.

[0056] Figure 11b is a perspective view of the separated state in which the sacrificial anode of Figure 11a of the present invention is applied to a flange structure.

[0057] Figure 12a is a cross-sectional view of another installation state in which the sacrificial anode of the present invention is applied to a flange structure.

[0058] Figure 12b is a perspective view of the separated state in which the sacrificial anode of Figure 12a of the present invention is applied to a flange structure.

[0059] Figure 13a is a cross-sectional view of the installation state in which the sacrificial anode of the present invention is applied to a flange and sealing rubber ring structure.

[0060] Figure 13b is a perspective view of the separated state in which the sacrificial anode of Figure 13a of the present invention is applied to the flange and sealing rubber ring structure.

[0061] Figure 14a is a cross-sectional view of another installation state in which the sacrificial anode of the present invention is applied to a flange structure.

[0062] Figure 14b is a perspective view of the separated state in which the sacrificial anode of Figure 14a of the present invention is applied to a flange structure.

[0063] Figure 15 is a block diagram of a corrosion detection sensor of the present invention.

[0064] Figure 16a is a block diagram showing an embodiment of a leak detection server of the present invention.

[0065] Figure 16b is a block diagram showing another embodiment of the leak detection server of the present invention.

[0066] Figure 17 is a block diagram showing an embodiment of a leak detection server of the leak detection system of the present invention.

[0067] [Explanation of symbols]

[0068] 10: Anode body 11: Corrosion progress area

[0069] 12: Initial oxidation zone 13: Ring-shaped space

[0070] 14: Through hole 20, 20a, 20b: Fastening means

[0071] 21: Binding hole 22: Joining hole

[0072] 23: Binding protrusion 24: Binding piece

[0073] 30: Corrosion detection sensor 31, 60, 60a: Detection electrode

[0074] 32: Alarm unit 33: Ring-shaped electrode

[0075] 35: Cover 36: Body

[0076] 37: Combination groove 39: Detection lamp

[0077] 40: Corrosion condition section 50: Sacrificial anode flange

[0078] 51, 51a: Pipe 52, 52a: Flange

[0079] 53, 53a: Fastening hole 54: Fastening bolt

[0080] 55: Fastening nut 61, 61a: Public

[0081] 62, 62a: Small hole 63, 63a: Electrode hole

[0082] 70: Sealing rubber ring 100: Sacrificial anode

[0083] 110, 160: Corrosion detection object 111: First corrosion detection object

[0084] 112: Second corrosion detection object 118: Nth corrosion detection object

[0085] 150: First surveillance camera 151: Second surveillance camera

[0086] 158: Nth surveillance camera 200: Facility management terminal

[0087] 300: Leak detection server 301: Administrator terminal

[0088] 310: Communications section 320: Interface section

[0089] 330: Database 340: Corrosion Information Analysis Department

[0090] 350: Corrosion information transmission unit 360: Battery information transmission unit

[0091] 370: Status information prediction unit 380: Control unit

[0092] 400: Local terminal 401, 402: Smartphone

[0093] Before explaining the technical idea of ​​the present invention in more detail using the attached drawings, it should be noted that the terms and words used in this specification and claims should not be interpreted as limited to their usual or dictionary meanings, and should be interpreted as meanings and concepts that are consistent with the technical idea of ​​the present invention based on the principle that the inventor can appropriately define the concept of the term in order to explain his or her own invention in the best possible way.

[0094] Therefore, the embodiments described in this specification and the configurations illustrated in the drawings are only the most preferred embodiments of the present invention and do not represent all of the technical ideas of the present invention. Therefore, it should be understood that there may be various modified examples that can replace them at the time of filing this application.

[0095] Hereinafter, the technical concept of the present invention will be described in more detail using the attached drawings. The attached drawings are merely examples used to more specifically explain the technical concept of the present invention, and therefore, the technical concept of the present invention is not limited to the form of the attached drawings.

[0096] Hereinafter, the present invention will be described in detail with reference to the drawings. It should be understood that the present invention is susceptible to various modifications and takes various forms, and encompasses all modifications, equivalents, and alternatives falling within the spirit and technical scope of the present invention.

[0097] FIG. 2 is a perspective view showing a disassembled state of a preferred embodiment of the present invention, FIG. 3 is a perspective view showing a disassembled state of a bolt penetration type embodiment of a sacrificial anode of the present invention, FIG. 4 is a perspective view showing a disassembled state of an embodiment of a sacrificial anode of the present invention in which a plurality of fastening means are applied, and FIG. 5 is a perspective view showing a disassembled state of an embodiment of a ring-shaped application of an electrode to a sacrificial anode of the present invention.

[0098] It includes connecting together a pipe or flange structure including a corrosion detection material, applying the pipe or flange structure to a metal material, and detecting a 'corrosion current' during the process of corrosion of the metal material to detect the degree of corrosion, thereby applying it as basic data for maintenance.

[0099] The sacrificial anode (10) is configured to have a thin panel shape in the form of a ring with an anode body (10) applied on one or both sides between the flanges, and includes an initial oxidation portion (12) where oxidation begins first on the inner diameter of the corrosion progress portion (11).

[0100] A fastening means (20) is formed to protrude in the outer diameter direction from one portion of the above-mentioned anode body (10), and the fastening means (20) is integrally formed to have a handle shape and has a fastening projection (23) having a fastening hole (22) installed at the tip portion, and at least one fastening hole (21) is formed between the fastening projections (23) so as to have a predetermined thickness like a fastening piece (24) toward the anode body (10).

[0101] The above-mentioned bonding hole (21) is formed horizontally between the bonding projections (23) and includes forming a structure that is blocked without penetrating into the initial oxidation portion (12).

[0102] A corrosion detection sensor (30) having one or more detection electrodes (31) protruding and connected to be fitted into the above-mentioned fastening hole (21) is provided with an alarm unit (32) formed on the upper side to detect the progress of corrosion and notify the state of corrosion. The corrosion detection sensor (30) is installed at the tip of the fastening means (20).

[0103] The above anode body (10) includes a structure in which a through hole (14) is formed at a predetermined interval along the corrosion progress section (11) and installed so as to penetrate integrally with the flange.

[0104] The binding means (20) protruding from the above-mentioned anode body (10) to have a handle structure may protrude from the tip of the anode body (10), but if necessary, the binding means (20a, 20b) may be installed in a plurality of ranges at a certain angle to improve detection performance.

[0105] A ring-shaped electrode (33) can be connected and formed at the tip of at least one detection electrode (31) protruding from the corrosion detection sensor (30), and a ring-shaped space (13) can be further formed in the anode body (10) so that the ring-shaped electrode (33) is embedded.

[0106] The above anode body (10) includes an aluminum alloy that generates a large amount of electricity and has excellent corrosion resistance, including magnesium, zinc, and their alloys.

[0107] As corrosion progresses in a pipe or flange, corrosion progresses from the initial oxidation portion (12) and progresses in the same manner in the corrosion progress portion (11), the detection electrode (31) detects the corrosion current that occurs when corrosion reaches each location, and the corrosion detection sensor (30) can detect corrosion by calculating the corrosion current detected through the detection electrode (31).

[0108] FIG. 6a is a perspective view showing the installation state of the fastening means for the sacrificial anode of the present invention, FIG. 6b is a perspective view showing the disassembled state of the fastening means for the sacrificial anode of the present invention, FIG. 7 is a perspective view of another embodiment of the corrosion detection sensor of the present invention, and FIG. 8 is a plan view showing the corrosion state of the sacrificial anode of the present invention.

[0109] A fastening means (20) that protrudes in an outer diameter direction integrally from the anode body (10) has a fastening hole (21) formed therein so that a detection electrode (31) is embedded, and the outer end of the fastening means (20) includes a fastening projection (23) with a fastening hole (22) formed on both sides therein.

[0110] The corrosion detection sensor (30) connected to the above-mentioned fastening projection (23) includes a cover (35) formed on the upper side including the alarm unit (32), a main body (36) assembled with the cover (35) formed on the lower side, and a coupling groove (37) formed inside the main body (36) in a configuration in which a fastening means (20) is connected from the coupling projection (23), and then the coupling projection (23) is aligned with the coupling groove (37) and then coupled to the main body (36) through the coupling hole (22) so that assembly and separation are possible.

[0111] The above alarm unit (32) can be installed on a corrosion detection sensor (30), and the alarm unit (32) is excluded, or more, and a detection lamp (39) is protruded on multiple sides of the side to detect corrosion progress and flash, and is installed so that it can be confirmed from each direction, and is installed so that detection and replacement are possible.

[0112] The anode body (10) is configured to detect the corrosion state of the sacrificial electrode (100) from the inner diameter, and the corrosion state portion (40) is installed so that the detection electrode (31) installed to be embedded in the fastening hole (21) of the fastening means (20) can detect it.

[0113] Fig. 9a is a cross-sectional view showing an installed state in which the sacrificial anode of the present invention is applied to a flange structure, and Fig. 9b is a perspective view showing a separated state in which the sacrificial anode of Fig. 9a of the present invention is applied to a flange structure.

[0114] A plurality of fastening holes (53, 53a) are formed along the outer periphery of a flange (52, 52a) that is welded and fixed to the tip of a pipe (51, 51a) made of a metal material, a circular anode body (10) is formed inside between the flanges (52, 52a), and a detection electrode (60) having a through hole (14) formed integrally along the tip of the outer diameter of the anode body (10) is formed to have the shape of the flange (52, 52a), and a sacrificial anode (100) is formed such that a fastening means (20) in the shape of a handle protrudes in the outer diameter direction from at least one portion of the detection electrode (60).

[0115] A detection electrode (60) is formed between the flanges (52, 52a) and the outer diameter of the anode body (10), and a fastening bolt (54) is passed through a through hole (14) formed in the detection electrode (60) and fixed with a fastening nut (55).

[0116] It includes supplying a sacrificial anode (100) between the above flanges (52, 52a) and passing the fastening bolt (54) through the fastening groove (53), the through hole (14) and the fastening groove (53a) and fastening it with a fastening nut (55).

[0117] One side of the above sacrificial anode flange (50) includes a general flange (50a) that can be further installed.

[0118] Fig. 10a is a cross-sectional view showing another installation state in which the sacrificial anode of the present invention is applied to a flange structure, Fig. 10b is a perspective view showing a separated state in which the sacrificial anode of Fig. 10a of the present invention is applied to a flange structure, and Fig. 10c is a side view showing the sacrificial anode of Fig. 10a of the present invention is applied to a flange structure.

[0119] A sacrificial anode flange (50) is formed with a plurality of fastening holes (53, 53a) formed along the outer periphery of a flange (52, 52a) that is welded and fixed to the tip of a pipe (51, 51a) made of a metal material, and has an anode body (10) having the same shape as the flange (52, 52a), a through hole (14) formed along the tip, and a sacrificial anode (100) in which a fastening means (20) in the form of a handle protrudes in the outer diameter direction from at least one portion of the anode body (10).

[0120] A detection electrode (60, 60a) is formed between the above-mentioned anode body (10) and the flange (52, 52a), and the inner diameter is formed by a small hole (61, 61a) and is formed inside the fastening bolt (54).

[0121] It includes supplying a sacrificial anode (100) between the above flanges (52, 52a) and passing the fastening bolt (54) through the fastening groove (53), the through hole (14) and the fastening groove (53a) and fastening it with a fastening nut (55).

[0122] Fig. 11a is a cross-sectional view showing another installation state in which the sacrificial anode of the present invention is applied to a flange structure, and Fig. 11b is a perspective view showing a separated state in which the sacrificial anode of Fig. 11a of the present invention is applied to a flange structure.

[0123] A sacrificial anode flange (50) is formed with a plurality of fastening holes (53, 53a) formed along the outer periphery of a flange (52, 52a) that is welded and fixed to the tip of a pipe (51, 51a) made of a metal material, and has an anode body (10) having the same shape as the flange (52, 52a), a through hole (14) formed along the tip, and a sacrificial anode (100) in which a fastening means (20) in the form of a handle protrudes in the outer diameter direction from at least one portion of the anode body (10).

[0124] It includes supplying a sacrificial anode (100) between the above flanges (52, 52a) and passing the fastening bolt (54) through the fastening groove (53), the through hole (14) and the fastening groove (53a) and fastening it with a fastening nut (55).

[0125] Fig. 12a is a cross-sectional view showing another installation state in which the sacrificial anode of the present invention is applied to a flange structure, and Fig. 12b is a perspective view showing a separated state in which the sacrificial anode of Fig. 12a of the present invention is applied to a flange structure.

[0126] A sacrificial anode flange (50) is formed by forming a plurality of fastening holes (53, 53a) along the outer periphery of a flange (52, 52a) that is welded and fixed to the tip of a pipe (51, 51a) made of a metal material, and having an anode body (10) having the same shape as the flange (52, 52a) between the flanges (52, 52a), forming a through hole (14) along the tip, and having a sacrificial anode (100) in which a fastening means (20) in the form of a handle protrudes in the outer diameter direction from at least one portion of the anode body (10).

[0127] A detection electrode (60, 60a) is formed between the above-mentioned anode body (10) and a flange (52, 52a), and the inner diameter is formed with a small hole (62, 62a), and an electrode hole (63, 63a) matching the through hole (14) is formed on the outer periphery, and a fastening bolt (54) passes through and is fixed together.

[0128] A sacrificial anode (100) is supplied between the flanges (52, 52a), and detection electrodes (60, 60a) are supplied on both sides of the sacrificial anode (100), and are fastened by passing through the fastening grooves (53, 53a), electrode holes (63, 63a) and through holes (14) with fastening bolts (54) and fastening with fastening nuts (55).

[0129] Fig. 13a is a cross-sectional view showing an installed state in which the sacrificial anode of the present invention is applied to a flange and a sealing rubber ring structure, and Fig. 13b is a perspective view showing a separated state in which the sacrificial anode of Fig. 13a of the present invention is applied to a flange and a sealing rubber ring structure.

[0130] A sacrificial anode flange (50) is formed with a plurality of fastening holes (53, 53a) formed along the outer periphery of a flange (52, 52a) that is welded and fixed to the tip of a pipe (51, 51a) made of a metal material, and has an anode body (10) having the same shape as the flange (52, 52a), a through hole (14) formed along the tip, and a sacrificial anode (100) in which a fastening means (20) in the form of a handle protrudes in the outer diameter direction from at least one portion of the anode body (10).

[0131] It includes supplying a sacrificial anode (100) between the above flanges (52, 52a) and passing the fastening bolt (54) through the fastening groove (53), the through hole (14) and the fastening groove (53a) and fastening it with a fastening nut (55).

[0132] The through hole (14) formed in the above sacrificial anode (100) is formed larger so that the sealing rubber ring (70) can be penetrated, and the fastening bolt (54) penetrates the fastening groove (53), then penetrates the inner diameter of the sealing rubber ring (70), and then penetrates the fastening groove (53a) and is fastened with the fastening nut (55).

[0133] Fig. 14a is a cross-sectional view showing another installation state in which the sacrificial anode of the present invention is applied to a flange structure, and Fig. 14b is a perspective view showing a separated state in which the sacrificial anode of Fig. 14a of the present invention is applied to a flange structure.

[0134] A sacrificial anode flange (50) is formed by forming a plurality of fastening holes (53, 53a) along the outer periphery of a flange (52, 52a) that is welded and fixed to the tip of a pipe (51, 51a) made of a metal material, and having an anode body (10) having the same shape as the flange (52, 52a) between the flanges (52, 52a), forming a through hole (14) along the tip, and having a sacrificial anode (100) in which a fastening means (20) in the form of a handle protrudes in the outer diameter direction from at least one portion of the anode body (10).

[0135] A detection electrode (60, 60a) is formed between the above-mentioned anode body (10) and a flange (52, 52a), and the inner diameter is formed as a large cavity (61, 61a), and an electrode hole (63, 63a) matching the through hole (14) is formed on the outer periphery, and a fastening bolt (54) passes through it and is fixed together.

[0136] A sacrificial anode (100) is supplied between the flanges (52, 52a), and detection electrodes (60, 60a) are supplied on both sides of the sacrificial anode (100), and are fastened by passing through the fastening grooves (53, 53a), electrode holes (63, 63a) and through holes (14) with fastening bolts (54) and fastening with fastening nuts (55).

[0137] Figure 15 shows a block diagram of a corrosion detection sensor of the present invention, which includes an alarm unit (81), a detection unit (82), a communication unit (83), a power supply unit (84), and a control unit (85).

[0138] Here, the alarm unit (81) can be composed of a first alarm unit (81a) that emits light and a second alarm unit (81b) that outputs sound.

[0139] The detection unit (82) detects the ‘corrosion current’ generated when corrosion occurs at the detection electrode (31).

[0140] The communication unit (83) is configured as one of wired and wireless communication and transmits the detection results of the detection unit (81) to the outside.

[0141] The power supply unit (84) is configured with a battery or is supplied with an external source to drive the corrosion detection sensor.

[0142] The control unit (85) controls the alarm unit (81), the detection unit (82), the communication unit (83), and the power unit (84), and includes a program to control the detection result of the detection unit (82) to be output to the outside as sound or light through the alarm unit (81) and to transmit it to the outside through the communication unit (83).

[0143] In addition, each control unit (85) is configured with a memory so that identification information (ID) of the corrosion detection sensor of the sacrificial anode capable of mounting each sensor is provided, and according to this identification information, the corrosion detection object including the sacrificial anode capable of mounting the sensor of the present invention can be identified.

[0144] FIG. 16a is a block diagram showing an embodiment of a leak detection server of the present invention, FIG. 16b is a block diagram showing another embodiment of a leak detection server of the present invention, and FIG. 17 is a block diagram showing an embodiment of a leak detection server of a leak detection system of the present invention.

[0145] It is composed of a sacrificial anode attachment corrosion detector (110, 160) including a sacrificial anode (100), a facility management terminal (200), a leak detection server (300), and a local terminal (400).

[0146] Here, the sacrificial anode-attached corrosion detector (110, 160) including the sacrificial anode of the present invention is a corrosion detector (30) attached to a flange-shaped sacrificial anode (100) on a plurality of first to nth corrosion detectors (111, 112, 118) such as water, cooling, heating, gas, oil pipes, or railway rails in various regions of the country. Such pipes (51, 51a) are mainly made of cast iron pipes, steel pipes (black gas pipes), galvanized steel pipes (white gas pipes), vinyl pipes, copper pipes, etc.

[0147] The above sacrificial anode attached corrosion detector (160) includes, as shown in Fig. 15b, a corrosion detection sensor (30) attached to a flange-shaped sacrificial anode (100) to enable monitoring on the first to nth surveillance cameras (150, 151, 158) instead of the plurality of first to nth corrosion detectors (111, 112, 118).

[0148] The facility management terminal (200) is a server of a management company of a water supply, oil refinery, or railway facility, and is a server of a management company responsible for the maintenance of the application target by monitoring the corrosion status of a sacrificial anode-attached corrosion detection device (110, 160) in real time to prevent corrosion and over-treatment of the application target, or is a server of a local supplier that supplies water, cooling, heating, and gas to local governments across the country, or is comprised of a PC.

[0149] The leak detection server (300) not only monitors the corrosion status of the sacrificial anode-attached corrosion detection object (110, 160) in real time, but is also a server of a supplier that supplies the sacrificial anode (100) with the corrosion detection sensor (30) attached to a water supply, oil refinery, railway facility, etc., or a local supplier that supplies water, cooling, heating, and gas to local governments in each region of the country.

[0150] This leak detection server (300) manages material information, installation information, management information, abnormal information, and sacrificial anode status information for each corrosion detection object, and provides the management information to the facility management terminal (200) at a set cycle, and when an abnormality occurs, requests maintenance, etc. to the local manager terminal (PC, smartphone, etc.) according to the management information.

[0151] In addition, it includes continuously monitoring status information on corrosion, leakage, oil leakage, etc. of corrosion detection materials (110, 160) according to the installation environment, etc., and artificially predicting status information so that it can be used for maintenance.

[0152] Meanwhile, the leak detection server (300) receives necessary data from the administrator terminal (301) or outputs detection results, etc. to the administrator terminal (301). For this purpose, the administrator terminal (301) includes a PC, monitor, etc.

[0153] The local terminal (400) is a terminal for receiving maintenance or inspection requests from a leak detection server (300) or facility management terminal (200) by a person in charge of pipes or flanges or a person in charge of equipment, and is composed of a PC or smart device (smartphone, smart pad).

[0154] Meanwhile, an embodiment of a leak detection server (300) includes a communication unit (310), an interface unit (320), a database (330), a sacrificial anode corrosion information analysis unit (monitoring) (340) for each corrosion detection object, a sacrificial anode corrosion information transmission unit (350) for each corrosion detection object, a sacrificial anode battery information transmission unit (360), a sacrificial anode corrosion information-based corrosion detection object status information prediction unit (370) and a control unit (380) as shown in FIG. 15a.

[0155] The communication unit (310) transmits and receives data through a communication network between the leak detection server (300), the sacrificial anode-attached corrosion detector (111, 112, 118) having a plurality of first to nth sacrificial anodes attached thereto, the sacrificial anode-attached corrosion detector (150, 151, 158) having a plurality of first to nth surveillance cameras installed thereon, the first facility management terminal (200), and the regional terminal (400).

[0156] The interface unit (320) inputs or outputs necessary data between the leak detection server (300) and the administrator terminal (301).

[0157] The database (330) is composed of a material information storage unit for each corrosion detection object, in which material information about the composition of each corrosion detection object and the type, thickness, diameter, etc. of the corrosion detection object, and identification information (ID) for each corrosion detection object (note that the identification information is linked to the identification information stored in the control unit of the sensor mounted on the sacrificial anode), an installation information storage unit for each corrosion detection object, in which information about the installation location, installation date and time, and installation depth for each corrosion detection object are stored, a management information storage unit for each corrosion detection object, in which management information for each corrosion detection object (IP address of the manager / person in charge terminal, person in charge smartphone number, etc.) is stored, a monitoring information storage unit for each corrosion detection object, in which daily / weekly / monthly / quarterly / yearly monitoring information for each corrosion detection object is stored, a corrosion detection object abnormality information storage unit for each corrosion detection object, and a corrosion detection object sacrificial anode status information storage unit for each corrosion detection object, in which information about the status of the sacrificial anode attached to each corrosion detection object and the battery level are stored.

[0158] The sacrificial anode corrosion information analysis unit (monitoring) (340) for each corrosion detection object monitors the sacrificial anode corrosion information for each corrosion detection object. This monitoring is performed and analyzed based on the current value from the corrosion detection sensor (30) of the sacrificial anode to which a sensor can be mounted. At this time, the program can be programmed to analyze the degree of corrosion based on the detection of a value exceeding the set current or voltage value. The analyzed information is then stored in the monitoring information storage unit for each corrosion detection object as daily / weekly / monthly / quarterly / yearly information for each corrosion detection object.

[0159] The sacrificial anode corrosion information transmission unit (350) for each corrosion detection object transmits the information analyzed by the sacrificial anode corrosion information analysis unit (monitoring) (340) for each corrosion detection object to the facility management terminal (200) according to the threshold value or cycle set according to the identification information (ID) for each corrosion detection object.

[0160] The sacrificial anode battery information transmission unit (360) is programmed to transmit event information when the corrosion detection sensor of the sacrificial anode capable of being equipped with a sensor is powered by a battery and the battery information falls below a preset threshold, so that replacement or inspection can be performed if there is a problem with the battery or if replacement is necessary. In this case, the corrosion detection object identification information (ID) is also referenced.

[0161] The sacrificial anode corrosion information-based corrosion detection object status information prediction unit (370) comprehensively predicts the corrosion detection object status information by sacrificial anode corrosion information based on events in the sacrificial anode corrosion information analysis unit (monitoring) (340) and the sacrificial anode battery information transmission unit (360). This enables maintenance and inspection by artificially predicting not only the actual corrosion status of the corrosion detection object, but also battery abnormalities when a battery is used as a power source to transmit the corrosion status of the corrosion detection object to the outside. The prediction results of the sacrificial anode corrosion information-based corrosion detection object status information prediction unit (370) are programmed to be transmitted together to the facility management terminal (200) and the regional terminal (400).

[0162] The control unit (380) controls the communication unit (310), the interface unit (320), the database (330), the sacrificial anode corrosion information analysis unit (monitoring) (340) for each corrosion-detected object, the sacrificial anode corrosion information transmission unit (350) for each corrosion-detected object, the sacrificial anode battery information transmission unit (360), and the sacrificial anode corrosion information-based corrosion-detected object status information prediction unit (370).

[0163] The above-described embodiment of the present invention is merely exemplary, and those skilled in the art will readily appreciate that various modifications and equivalent other embodiments are possible. Therefore, it will be readily understood that the present invention is not limited to the forms mentioned in the detailed description above. Accordingly, the true technical protection scope of the present invention should be defined by the technical spirit of the appended claims. Furthermore, the present invention should be understood to include all modifications, equivalents, and alternatives falling within the spirit and scope of the present invention as defined by the appended claims.

[0164]

Claims

1. In a sacrificial electrode that detects corrosion of pipes and flanges by connecting a detection electrode to the anode body (10) consisting of an initial oxidation portion (12) and a corrosion progress portion (11), It includes a binding means (20) in which a binding hole (21) is formed toward the positive electrode body (10) at the tip of a binding piece (24) protruding in at least one direction from the positive electrode body (10). A detection electrode (31) is installed to detect the corrosion current of the corrosion progress portion (11) generated in the corrosion progress portion (11) by being connected to the above-mentioned bonding hole (21). A sensor-integrated sacrificial electrode including a bonding means (20) including a bonding hole (21) to which the above-mentioned electrode (31) is bonded and a corrosion detection sensor (30) that detects corrosion current and notifies corrosion.

2. In paragraph 1, The above-mentioned bonding means (20) is a sensor-integrated sacrificial electrode including a plurality of bonding means (20a, 20b) that include a bonding piece (24) in which at least one bonding hole (21) is formed, protruding in a handle shape from the anode body (10) and having a detection electrode (21) embedded therein.

3. In paragraph 1, The above-mentioned bonding means (20) is a sensor-integrated sacrificial electrode including a bonding projection (23) having a bonding hole (22) formed on both sides of the entrance of the bonding hole (21) and bonded to a corrosion detection sensor (30).

4. In paragraph 1, The above corrosion detection sensor (30) is a sensor-integrated sacrificial electrode including a detection electrode (31) connected and embedded in a bonding hole (21), separated into a cover (35) and a main body (36), and a bonding projection (23) bonded to a bonding groove (37) formed in the main body (36) and fixed to the bonding hole (22).

5. In paragraph 1, The above corrosion detection sensor (30) is a sensor-integrated sacrificial electrode including an alarm unit (32) installed on the upper side to notify of corrosion, or at least one detection lamp (39) installed on the side to light up and notify of corrosion information.

6. In paragraph 1, A flange (52) connected to the end of the pipe (51) and having a fastening hole (53) formed along the outer circumference, A flange (52a) connected to the end of a pipe (51a) connected to the above pipe (51) and having a fastening hole (53a) formed along the outer circumference, It includes a fastening means (20) formed with a fastening piece (24) protruding in at least one direction from the anode body (10) which is positioned between the above flanges (52, 52a) and has a through hole (14) formed along the outer periphery, The detection electrodes (60, 60a) are formed on both sides of the above-mentioned anode body (10), and a fastening bolt (54) is inserted through the fastening hole (53, 53a) and the through hole (14) to be fastened with a fastening nut (55). A sensor-integrated sacrificial electrode including a corrosion detection sensor (30) that detects corrosion current and notifies corrosion and is connected to a connecting means (20) to which the above-mentioned construction electrode (60, 60a) is connected.

7. A leak prevention system including a sensor-integrated sacrificial electrode, characterized by comprising: a sacrificial anode-attached corrosion detector (110) having a corrosion detection sensor (30) attached to each of a plurality of first to nth corrosion detectors (111, 112, 118) installed between flanges (52, 52a) connected to pipes (51, 51a); a facility management terminal (200) comprising a server and a PC of a manager responsible for the maintenance of the application target by monitoring the corrosion status of the sacrificial anode-attached corrosion detector (110) in real time and preventing corrosion and excessive corrosion of the application target; and a leak detection server (300) which is a supplier's server and monitors the corrosion status of the sacrificial anode-attached corrosion detector (110) in real time and provides the sacrificial anode (100) with the corrosion detection sensor (30).

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