CN215263058U - Online pulse eddy current corrosion monitoring device - Google Patents
Online pulse eddy current corrosion monitoring device Download PDFInfo
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- CN215263058U CN215263058U CN202121454228.XU CN202121454228U CN215263058U CN 215263058 U CN215263058 U CN 215263058U CN 202121454228 U CN202121454228 U CN 202121454228U CN 215263058 U CN215263058 U CN 215263058U
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- eddy current
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- corrosion monitoring
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Abstract
The utility model discloses an online pulse eddy current corrosion monitoring devices, the lower extreme of protection casing and heat dissipation aluminium base member is provided with first connecting ring in this second, and the gap forms the dust collection storehouse between outer protection casing and the first interior protection casing. The utility model discloses an online pulse eddy current corrosion monitoring devices, belong to nondestructive test technical field, installation testing part and detecting head in the first interior protection casing, the detecting head contacts pipeline under pressure, make things convenient for the installation of detecting head, thereby realize the installation between online pulse eddy current corrosion monitoring part and the pipeline under pressure, the protection of online pulse eddy current corrosion monitoring part can be realized to protection casing and flange, the dust can be collected in the gap between interior protection casing and the outer protective casing, the heat dissipation of interior protection casing inner part can be realized to heat dissipation aluminum substrate piece, the bleeder vent also can dispel the heat, to a certain extent promote heat dispersion, first bleeder vent and second bleeder vent intercommunication are seted up to interior protection casing, further promote heat dispersion.
Description
Technical Field
The utility model relates to a nondestructive test technical field, in particular to online pulse eddy current corrosion monitoring devices.
Background
At present, with the deep exploitation of petroleum resources and the increasing of imported high-sulfur and high-acid crude oil, the crude oil deterioration trend becomes more and more obvious, and the serious threat is caused to the safety and long-period operation of an oil refinery. The corrosion monitoring and detecting technology is a very important anticorrosion control means for the current enterprises. In general, oil refineries mainly adopt methods of manual fixed-point thickness measurement, corrosion coupon, shutdown corrosion maintenance and online corrosion monitoring and detection;
the patent application number of the Chinese utility model is CN201921873403.1, and the patent name is an online pulse eddy current corrosion monitoring device, which mainly comprises a pulse eddy current sensor 7 and a pulse eddy current host 1. The pulse eddy current host 1 comprises a shell of the pulse eddy current host 1, a host antenna 2, a wireless communication circuit 3, a CPU control circuit 4, an ADC acquisition circuit 5, a receiving circuit 6, an excitation circuit 8 and a power supply part 9. The transmitting coil (receiving end) of the pulse eddy current sensor 7 is connected with the output end of the exciting circuit 8, when the exciting circuit 8 applies alternating current, the pulse eddy current sensor 1 can induce eddy current in a detected base material, and then the receiving coil of the pulse eddy current sensor 7 can reversely induce an eddy current attenuation voltage signal. A receiving coil (transmitting end) of the pulse eddy current sensor 7 is connected with the sensor input end of a receiving circuit 6 of the pulse eddy current host 1, and the receiving circuit 6 carries out signal conditioning on an eddy current attenuation voltage signal generated in a parent metal and inputs the signal into the rear-stage ADC acquisition circuit 5;
the detection head of the general online pulse eddy current corrosion monitoring device is contacted with a pipeline and needs to be fixed by a fixing device, other parts of the online pulse eddy current corrosion monitoring device are exposed, the protective performance is not high, the prior heat dissipation structure can not effectively dissipate heat because of long-time work,
SUMMERY OF THE UTILITY MODEL
A primary object of the present invention is to provide an online pulse eddy current corrosion monitoring device, which can effectively solve the problems in the background art.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
an online pulse eddy current corrosion monitoring device comprises a pressure pipeline and a detecting head, wherein the side wall of the pressure pipeline is contacted with the detecting head, the side wall of the pressure pipeline is provided with a first flange, the upper end of the first flange is connected with an installation cover, the installation cover comprises a second flange, an outer protection cover, a first inner protection cover, a second inner protection cover, a heat dissipation aluminum substrate and a first connecting ring, the upper end of the first flange is connected with the second flange, the upper end of the second flange is provided with the outer protection cover, the cover of the outer protection cover is internally provided with the first inner protection cover, the upper end of the first inner protection cover is connected with the second inner protection cover, a heat dissipation aluminum substrate is arranged at a hole between the second inner protection cover, the lower ends of the second inner protection cover and the heat dissipation aluminum substrate are provided with the first connecting ring, and a dust collecting bin is formed in a gap between the outer protection cover and the first inner protection cover, and the upper end of the outer protective cover is connected with an improved ventilating structure, the improved ventilating structure comprises a connecting cover, a ventilating cover, a second air hole and a second connecting ring, the ventilating cover is arranged at the position of the hole in the middle of the connecting cover, the second air hole is formed in the side wall of the ventilating cover, and the second connecting ring is arranged at the lower ends of the ventilating cover and the connecting cover.
Preferably, the pressure pipeline and the first flange are integrally arranged, the first flange is not communicated with the pressure pipeline, and the detecting head is tightly attached to the side wall of the pressure pipeline;
preferably, the second flange, the outer protective cover and the first inner protective cover are integrally arranged, and the lower ends of the outer protective cover and the first inner protective cover are arranged in a closed manner;
preferably, the detection part in the first inner protective cover is connected with the radiating aluminum substrate through a heat conducting soft strip;
preferably, the first connecting ring is in threaded connection with the first inner protective cover, and the second connecting ring is in threaded connection with the outer protective cover;
preferably, the mounting cover further comprises a first air hole, and the outer wall of the first inner protective cover is provided with the first air hole.
Compared with the prior art, the utility model discloses following beneficial effect has:
the utility model discloses in, installation test element and detecting head in the first interior protection casing, the detecting head contacts pipeline under pressure, make things convenient for the installation of detecting head, thereby realize the installation between online pulse eddy current corrosion monitoring part and the pipeline under pressure, protection that online pulse eddy current corrosion monitoring part can be realized to protection casing and flange, the dust can be collected in the gap between interior protection casing and the outer protective casing, the heat dissipation of interior protection casing inner part can be realized to heat dissipation aluminium base member, the bleeder vent also can dispel the heat, promote heat dispersion on the certain degree, first bleeder vent and second bleeder vent intercommunication are seted up to interior protection casing, further promote heat dispersion.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is an exploded view of the overall structure of the present invention;
FIG. 3 is an exploded view of the mounting cover of the present invention;
fig. 4 is an exploded view of the improved ventilation structure of the present invention.
In the figure: 1. a pressure line; 2. mounting a cover; 201. a second flange; 202. an outer shield; 203. a first inner shield; 204. a second inner shield; 205. a heat-dissipating aluminum substrate; 206. a first connecting ring; 207. a first air vent; 3. an improved ventilation structure; 301. a connecting cover; 302. a ventilation cover; 303. a second air hole; 304. a second connection ring; 4. a first flange; 5. a probe head.
Detailed Description
In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.
As shown in fig. 1-4, an online pulse eddy current corrosion monitoring device comprises a pressure pipeline 1 and a probe 5, wherein the probe 5 is contacted with the side wall of the pressure pipeline 1, the online inspection and monitoring of the wall thickness corrosion condition of the pressure pipeline or a pressure container are realized under the operation condition of high temperature and high pressure, and the online pulse eddy current corrosion monitoring device can realize corrosion monitoring without dismantling, preserving heat and stopping;
the side wall of the pressure pipeline 1 is provided with a first flange 4, the upper end of the first flange 4 is connected with a mounting cover 2, the mounting cover 2 comprises a second flange 201, an outer protective cover 202, a first inner protective cover 203, a second inner protective cover 204, a heat-dissipation aluminum substrate 205 and a first connecting ring 206, the upper end of the first flange 4 is connected with the second flange 201, the upper end of the second flange 201 is provided with the outer protective cover 202, the cover of the outer protective cover 202 is internally provided with the first inner protective cover 203, the upper end of the first inner protective cover 203 is connected with the second inner protective cover 204, a heat-dissipation aluminum substrate 205 is arranged at an opening between the second inner protective cover 204, the lower ends of the second inner protective cover 204 and the heat-dissipation aluminum substrate 205 are provided with the first connecting ring 206, a dust collecting bin is formed between the outer protective cover 202 and the first inner protective cover 203, the upper end of the outer protective cover 202 is connected with an improved ventilation structure 3, the improved ventilation structure 3 comprises a connecting cover 301, a second inner protective cover 203 and a second inner cover, a second inner cover 203, The ventilation cover 302, the second ventilation hole 303 and the second connecting ring 304, the ventilation cover 302 is arranged at the hole in the middle of the connecting cover 301, the second ventilation hole 303 is formed in the side wall of the ventilation cover 302, and the second connecting ring 304 is arranged at the lower ends of the ventilation cover 302 and the connecting cover 301.
In a further preferred embodiment of the present invention, the pressure pipe 1 and the first flange 4 are integrally disposed, and the first flange 4 is not communicated with the pressure pipe 1, the probe 5 is tightly attached to the side wall of the pressure pipe 1, the second flange 201, the outer shield 202 and the first inner shield 203 are integrally disposed, and the lower ends of the outer shield 202 and the first inner shield 203 are hermetically disposed, the inner detecting part of the first inner shield 203 is connected to the heat-dissipating aluminum substrate 205 through the heat-conducting flexible strip, the first connecting ring 206 is in threaded connection with the first inner shield 203, the second connecting ring 304 is in threaded connection with the outer shield 202, the inner detecting part of the first inner shield 203 and the probe 5 are mounted, the probe 5 contacts the pressure pipe 1, thereby facilitating the mounting of the probe 5, and realizing the mounting between the online pulse eddy current corrosion monitoring part and the pressure pipe 1, the protection of the online pulse eddy current corrosion monitoring part can be realized by the shield and the flange, dust can be collected in the gap between the inner protective cover and the outer protective cover 202, the heat dissipation of the inner protective cover can be realized by the heat dissipation aluminum substrate 205, and the heat dissipation can be realized by the air holes, so that the heat dissipation performance is improved to a certain extent;
the utility model discloses a further preferred scheme, installation cover 2 still includes first bleeder vent 207, and first bleeder vent 207 has been seted up to first interior protection casing 203 outer wall, and first bleeder vent 207 and second bleeder vent 303 intercommunication are seted up to interior protection casing, further promote heat dispersion.
The utility model discloses the standard part that uses all can purchase from the market, and dysmorphism piece all can be customized according to the description with the record of drawing of description, and the concrete connection mode of each part all adopts conventional means such as ripe bolt, rivet, welding among the prior art, and machinery, part and equipment all adopt prior art, and conventional model, including circuit connection adopts conventional connection mode among the prior art, does not detailed here again.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (6)
1. The utility model provides an online pulse vortex corrosion monitoring devices, includes pipeline under pressure (1), detecting head (5), the lateral wall contact of pipeline under pressure (1) has detecting head (5), its characterized in that: the side wall of the pressure pipeline (1) is provided with a first flange (4), the upper end of the first flange (4) is connected with an installation cover (2), the installation cover (2) comprises a second flange (201), an outer protection cover (202), a first inner protection cover (203), a second inner protection cover (204), a heat-dissipation aluminum base block (205) and a first connecting ring (206), the upper end of the first flange (4) is connected with the second flange (201), the upper end of the second flange (201) is provided with the outer protection cover (202), the first inner protection cover (203) is arranged in the cover of the outer protection cover (202), the upper end of the first inner protection cover (203) is connected with the second inner protection cover (204), a heat-dissipation aluminum base block (205) is arranged at an opening between the second inner protection cover (204), and the lower ends of the second inner protection cover (204) and the heat-dissipation aluminum base block (205) are provided with the first connecting ring (206), the dust collecting bin is formed in a gap between the outer protective cover (202) and the first inner protective cover (203), the upper end of the outer protective cover (202) is connected with an improved ventilating structure (3), the improved ventilating structure (3) comprises a connecting cover (301), a ventilating cover (302), second air holes (303) and second connecting rings (304), the ventilating cover (302) is arranged at a position of a middle opening of the connecting cover (301), the second air holes (303) are formed in the side wall of the ventilating cover (302), and the second connecting rings (304) are arranged at the lower ends of the ventilating cover (302) and the connecting cover (301).
2. The on-line pulsed eddy current corrosion monitoring device according to claim 1, wherein: the pressure pipeline (1) and the first flange (4) are integrally arranged, the first flange (4) is not communicated with the pressure pipeline (1), and the detecting head (5) is tightly attached to the side wall of the pressure pipeline (1).
3. The on-line pulsed eddy current corrosion monitoring device according to claim 1, wherein: the second flange (201), the outer protection cover (202) and the first inner protection cover (203) are integrally arranged, and the lower ends of the outer protection cover (202) and the first inner protection cover (203) are arranged in a closed mode.
4. The on-line pulsed eddy current corrosion monitoring device according to claim 1, wherein: the first inner protective cover (203) is connected with the inner detection part of the heat-dissipation aluminum substrate (205) through a heat-conducting soft strip.
5. The on-line pulsed eddy current corrosion monitoring device according to claim 1, wherein: the first connecting ring (206) is in threaded connection with the first inner shield (203), and the second connecting ring (304) is in threaded connection with the outer shield (202).
6. An on-line pulsed eddy current corrosion monitoring device according to any one of claims 1 to 5, wherein: the mounting cover (2) further comprises a first air hole (207), and the outer wall of the first inner protective cover (203) is provided with the first air hole (207).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121454228.XU CN215263058U (en) | 2021-06-29 | 2021-06-29 | Online pulse eddy current corrosion monitoring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121454228.XU CN215263058U (en) | 2021-06-29 | 2021-06-29 | Online pulse eddy current corrosion monitoring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215263058U true CN215263058U (en) | 2021-12-21 |
Family
ID=79484668
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121454228.XU Active CN215263058U (en) | 2021-06-29 | 2021-06-29 | Online pulse eddy current corrosion monitoring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215263058U (en) |
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2021
- 2021-06-29 CN CN202121454228.XU patent/CN215263058U/en active Active
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