CN214373210U - Rotary drum internal coating leak detection equipment - Google Patents
Rotary drum internal coating leak detection equipment Download PDFInfo
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- CN214373210U CN214373210U CN202120724648.9U CN202120724648U CN214373210U CN 214373210 U CN214373210 U CN 214373210U CN 202120724648 U CN202120724648 U CN 202120724648U CN 214373210 U CN214373210 U CN 214373210U
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Abstract
The utility model belongs to the technical field of coating inspection equipment, in particular to a rotary drum inner coating leak detection equipment, which comprises a supporting device, conductive fluid, a power supply and a power-on indicating device; the supporting device supports the rotary drum to enable the rotary drum to be transversely placed and rotate; the conductive fluid is composed of conductive materials, and the granularity of the conductive fluid is smaller than the pores of the surface defects of the coating; the two ends of the power supply are respectively in conductive connection with conductive fluid and metal outside the rotary drum, and the conductive fluid is arranged inside the rotary drum and is fully contacted with the coating to be detected in the rotary drum. The utility model discloses utilize conductive fluid and the abundant contact of rotary drum inner wall to detect defects such as rotary drum undercoating have sand hole, crack. The rotary drum is rotated by combining the driving of the supporting device, so that the conductive fluid fully contacts the coating in the rotary drum, the quick leak detection is realized, the leak detection efficiency is high, the leak detection is comprehensive, the result is reliable, repeated retesting is not needed, the detection cost is greatly reduced, and the leak detection accuracy is improved.
Description
Technical Field
The utility model belongs to the technical field of the coating check out test set, concretely relates to rotary drum undercoating leak hunting equipment.
Background
The inner wall of a rotary drum of the extraction equipment is provided with spiral blades for extracting and separating an extract to be extracted, in order to avoid the extract to be extracted from corroding the extraction rotary drum, a thick stable coating is generally sprayed on the inner wall of the rotary drum, a drying spraying method is adopted during spraying, the rotary drum is firstly placed in a baking furnace to be baked to a preset temperature, then the coating is sprayed on the inner wall of the rotary drum, and then the high-temperature drying is carried out; the inner wall of the dried rotary drum is sprayed with a layer of coating and dried, and the coating and the drying are repeated for several times, so that the coating thickness and the stability meet the requirements, because the material to be extracted has stronger corrosion to the metal material of the rotary drum, the coated metal is exposed inside the rotary drum and is contacted and damaged with an extract in order to avoid the quality defects of the coating, such as sand hole-shaped micropores, cracks and the like, the surface leakage detection is generally carried out on the coated coating, the existing leakage detection equipment generally adopts an electric spark leakage detector, one end of a handle of the leakage detector is provided with an iron wire brush, the leakage detector is provided with a positive output end and a negative output end, one output end is electrically connected with the handle, the other output end is electrically connected with a metal layer on the outer wall of the rotary drum, when in use, an operator holds the handle, the iron wire brush at one end is contacted with the surface to be detected of the rotary drum, and moves the iron wire brush to sweep all the surface to be detected of the inner wall of the rotary drum, when the iron wire brush extends into the surface defects of the coating, when the leak detector is in metal contact with the rotary drum, the positive and negative output ends of the leak detector are electrically communicated, electric sparks are generated at the contact part of the iron wire brush and the inner wall of the rotary drum, and meanwhile, the leak detector generates warning sound to prompt the detection of defects. Although the method is convenient to use, the omission ratio is high, the iron wire brush is difficult to be uniformly brushed in the rotary drum and is not missed once in the manual operation process, and the omission ratio can be slightly reduced by frequently needing repeated measurement of a plurality of people. For a larger rotary drum, manual leakage detection needs to be carried out by extending a hand in, so that the efficiency is low, a large amount of time is consumed, and the detection accuracy is lower.
Therefore, there is a need to provide an improved solution to the deficiencies of the prior art.
Disclosure of Invention
An object of the utility model is to provide a rotary drum undercoating leak hunting equipment to solve present rotary drum undercoating leak hunting at least and extravagant a large amount of manual works, intensity of labour is big and the problem that the leak hunting accuracy is low, inefficiency.
In order to realize the purpose, the utility model provides a following technical scheme:
a device for detecting the leakage of the coating in a rotary drum comprises a supporting device, a conductive fluid, a power supply and a power-on indicating device; the supporting device is used for supporting the rotary drum, keeping the rotary drum horizontal and driving the rotary drum to rotate; the conductive fluid is composed of conductive materials, and the particle size of the conductive materials of the conductive fluid is smaller than the pores of the surface defects of the coating; one end of the power supply is in conductive connection with the conductive fluid, the other end of the power supply is in metal connection with the exterior of the rotary drum, the conductive fluid is arranged in the rotary drum, and the conductive fluid is in full contact with the coating to be detected in the rotary drum under the supporting drive of the supporting device; the power-on indicating device is arranged between the conductive fluid or the metal outside the rotary drum and the power supply and is used for indicating power-on information.
In the apparatus for detecting leakage of coating in the rotating drum, as a preferable scheme, the supporting device includes at least two groups of rotating rollers, at least two groups of rotating rollers are arranged in parallel and used for bearing the rotating drum, the rotating rollers are arranged on the supporting frame, and the power device is used for driving the rotating rollers to rotate.
In the apparatus for detecting leakage of a coating in a rotating drum as described above, preferably, the rotating roller is provided with at least three rotating wheels, the supporting device supports the rotating drum by at least three rotating wheels, the rotating wheels are metal wheels, and the rotating drum is connected to the power supply through the rotating wheels.
In the apparatus for detecting leakage of a coating in a drum as described above, it is preferable that the apparatus further includes a conductive connecting arm, one end of the conductive connecting arm extends into the drum and is electrically connected to the conductive fluid, and the other end of the conductive connecting arm is electrically connected to the power supply.
In the apparatus for detecting a leak of a coating in a drum as described above, preferably, the conductive fluid is conductive sand or a conductive liquid.
In the apparatus for detecting leakage of a coating in a drum as described above, preferably, the energization indicating means is a buzzer, and the energization indicating means sounds a buzzer when both ends of the power supply are electrically connected.
In the rotary drum undercoating leak detection device as above, as the preferred scheme, the rotary drum undercoating leak detection device further comprises an electric leakage leak detector, the electric leakage leak detector comprises a leak detection handle, a magnetic suction device is arranged at the leak detection end of the leak detection handle, magnetic conductive particles are adsorbed on the magnetic suction device, and the granularity of the magnetic conductive particles is smaller than the pores of the surface defects of the coating.
In the apparatus for detecting leakage of inner coating of drum as described above, preferably, the power device includes a driving motor and a speed reducer, and the driving motor drives the rotating roller to rotate through the speed reducer, so as to drive the drum to rotate.
In the apparatus for detecting leakage of a coating in a rotating drum, as a preferable scheme, the apparatus further comprises two baffle rings, the two baffle rings are respectively plugged at two ends of the rotating drum, and the inner diameter of each baffle ring is smaller than the diameter of a cylinder on which the inner side of a helical blade on the inner wall of the rotating drum is located.
Compared with the closest prior art, the utility model provides a technical scheme has following beneficial effect:
the utility model provides a rotary drum undercoating leak hunting equipment adopts strutting arrangement to put the rotary drum horizontally to in packing conductive fluid into the rotary drum, utilize conductive fluid and rotary drum inner wall fully to contact and detect defects such as rotary drum undercoating have or not sand hole, crack. The rotary drum is rotated by combining the driving of the supporting device, so that the conductive fluid fully contacts the coating in the rotary drum, the quick leak detection is realized, the leak detection efficiency is high, the leak detection is comprehensive, the result is reliable, repeated retesting is not needed, the detection cost is greatly reduced, and the leak detection accuracy is improved. By adopting the leakage leak detector as supplement, the specific defect position can be quickly determined, and the defect position locking speed is further improved. The whole leakage detection equipment is simple in structure and convenient to operate, and has important significance in detecting the leakage of the inner coating of the rotary drum.
Drawings
The accompanying drawings, which form a part of the present application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. Wherein:
fig. 1 is a schematic structural diagram of a device for detecting leakage of a coating in a rotary drum according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a bearing rotary drum of the apparatus for detecting leakage of a coating in a rotary drum according to an embodiment of the present invention;
fig. 3 is a cross-sectional view of a rotating drum and an electrically conductive connecting arm according to an embodiment of the present invention.
In the figure: 1. a support device; 2. an electrically conductive fluid; 3. a power source; 4. a power-on indicating device; 5. a rotating drum; 6. a rotating roller; 7. a support frame; 8. a rotating wheel; 9. a conductive connecting arm; 10. a drive motor; 11. And a speed reducer.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments. It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.
In the description of the present invention, the terms "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description of the present invention and do not require that the present invention must be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. The terms "connected" and "connected" used in the present invention should be understood in a broad sense, and may be, for example, either fixed or detachable; they may be directly connected or indirectly connected through intermediate members, and specific meanings of the terms may be understood as appropriate by those skilled in the art.
According to an embodiment of the present invention, as shown in fig. 1 to 3, there is provided an apparatus for detecting a coating leak in a rotary drum 5, which includes a supporting device 1, a conductive fluid 2, a power source 3, and a power-on indicating device 4; the supporting device 1 is used for supporting the rotary drum 5, enabling the rotary drum 5 to be horizontally arranged and driving the rotary drum 5 to rotate; the conductive fluid 2 is a fluid made of conductive materials, and the particle size of the conductive materials of the conductive fluid 2 is smaller than the pores of the surface defects of the coating; one end of the power supply 3 is in conductive connection with the conductive fluid 2, the other end of the power supply 3 is in metal connection with the outside of the rotary drum 5, the conductive fluid 2 is arranged inside the rotary drum 5, and the conductive fluid 2 is in full contact with the coating to be detected in the rotary drum 5 under the supporting drive of the supporting device 1; the power-on indicating device 4 is arranged between the conductive fluid 2 or the metal outside the drum 5 and the power source 3 and is used for indicating power-on information.
When the device is used, the rotary drum 5 to be detected is transversely arranged on the supporting device 1, then the conductive fluid 2 is injected into the rotary drum 5 to be detected, the two ends of the rotary drum 5 are contracted to form flanges, the conductive fluid 2 is limited at the bottom in the rotary drum 5, the conductive fluid 2 is in irregular shape and is uniformly contacted with the coating at the bottom of the rotary drum 5, when the coating at the contact position has defects such as cracks or sand holes, the conductive fluid 2 is contacted with the metal on the inner wall of the rotary drum 5, so that one end of the power supply 3, the conductive fluid 2, the wall of the rotary drum 5, the power-on indicating device 4 and the other end of the power supply 3 are electrically communicated, and the power-on indicating device 4 sends out a power-on indication to prompt the finding of a leakage point.
The supporting device 1 drives the rotating drum 5 to rotate, so that different positions of the inner wall of the rotating drum 5 are respectively contacted with the conductive fluid 2 at the bottom, and the leakage detection of the coating in the rotating drum 5 is rapidly completed. As the conductive fluid 2 is fully contacted with the inner wall of the rotating drum 5 to be detected, the equipment has higher leak detection accuracy, and an accurate coating quality result can be obtained only by one-time leak detection. The leak detection is quick and accurate, and the dependence on the professional degree of a detector is low.
Further, strutting arrangement 1 includes live-rollers 6, power device and support frame 7, and live-rollers 6 is provided with at least two sets ofly, and at least two sets of live-rollers 6 parallel arrangement are used for bearing rotary drum 5, and live-rollers 6 set up on support frame 7, and power device is used for driving live-rollers 6 and rotates.
Further, the rotating rollers 6 are provided with at least three rotating wheels 8, the supporting device 1 supports the rotating drum 5 through the at least three rotating wheels 8, the rotating wheels 8 are metal wheels, and the rotating drum 5 is electrically connected with the power supply 3 through the rotating wheels 8. The rotating wheel 8 is arranged to avoid parts such as joints outside the rotating drum 5, so that the rotating drum 5 can be driven to rotate conveniently.
Further, the device also comprises a conductive connecting arm 9, one end of the conductive connecting arm 9 extends into the rotary drum 5 and is electrically connected with the conductive fluid 2, and the other end of the conductive connecting arm 9 is electrically connected with the power supply 3. The conductive connecting arm 9 is arranged, so that the power supply 3 can be always in contact with the conductive fluid 2 without a conducting wire being in contact with the conductive fluid 2. As shown in fig. 1 and 2, in the present embodiment, one end of the power source 3 is connected to the conductive connecting arm 9, the other end is connected to the rotating wheel 8 through the supporting frame 7, and the conductive connecting arm 9 is connected to the supporting frame 7 in an insulated manner.
Further, the conductive fluid 2 is conductive sand or a conductive liquid, and in the present embodiment, for convenience of operation, fine-grained conductive sand is used as the conductive fluid 2.
Further, the power-on indicating device 4 is a buzzer, and when the two ends of the power supply 3 are electrically communicated, the power-on indicating device 4 sends out buzzing sound.
Further, still include electric leakage leak detector, electric leakage leak detector includes the leak hunting handle, and the leak hunting end of leak hunting handle is provided with magnetism and inhales the device, and it has magnetic conduction conductive particle to inhale on the device, and the granularity of magnetic conduction conductive particle is less than the hole of coating surface defect. When the leakage detection device is used, the magnetic suction device at the end part of the leakage detection handle of the leakage detection device adsorbs a large amount of magnetic conductive particles, and then the leakage detection handle is held by hand to enable the magnetic conductive particles to fully contact with a region to be detected on the inner wall of the rotary drum 5, so that the defect part of the coating is found out. This electric leakage leak detector is as the replenishment of above-mentioned leak hunting equipment, when leak hunting equipment measures 5 inner wall coatings of rotary drum and has a defect, can do the mark in the rotation inner wall region of 2 contacts of conducting fluid, treats and uses electric leakage leak detector to retest this region after whole leak hunting is accomplished to reduce the searching region of coating defect, after electric leakage leak detector measures the electric leakage region, carry out people's eye observation to this subregion and can find the defect position.
Further, the power device comprises a driving motor 10 and a speed reducer 11, wherein the driving motor 10 drives the rotating roller 6 to rotate through the speed reducer 11, so as to drive the rotating drum 5 to rotate.
Further, when the inner diameter of the closing-in portions at the two ends of the rotating drum 5 is smaller than or equal to the inner diameter of the helical blade on the inner wall of the rotating drum 5, in order to avoid the conductive fluid 2 from completely covering the helical blade at the bottom of the horizontal rotating drum 5, the leak detection apparatus further includes two blocking rings (not shown), the two blocking rings are respectively blocked at the two ends of the rotating drum 5, and the inner diameter of each blocking ring is smaller than the diameter of the cylinder where the inner side of the helical blade on the inner wall of the rotating drum 5 is located. Therefore, when in need, the baffle rings are arranged at openings at two ends of the rotating drum 5, so that the conductive fluid 2 covers the helical blades at the bottom of the rotating drum 5, and complete leakage detection is realized.
To sum up, the utility model provides a rotary drum undercoating leak hunting equipment adopts strutting arrangement to put the rotary drum horizontally to in packing conductive fluid into the rotary drum, utilize conductive fluid and rotary drum inner wall fully to contact and detect defects such as rotary drum undercoating have sand hole, crack. The rotary drum is rotated by combining the driving of the supporting device, so that the conductive fluid fully contacts the coating in the rotary drum, the quick leak detection is realized, the leak detection efficiency is high, the leak detection is comprehensive, the result is reliable, repeated retesting is not needed, the detection cost is greatly reduced, and the leak detection accuracy is improved. By adopting the leakage leak detector as supplement, the specific defect position can be quickly determined, and the defect position locking speed is further improved. The whole leakage detection equipment is simple in structure and convenient to operate, and has important significance in detecting the leakage of the inner coating of the rotary drum.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. The equipment for detecting the leakage of the coating in the rotary drum is characterized by comprising a supporting device, a conductive fluid, a power supply and an electrifying indicating device;
the supporting device is used for supporting the rotary drum, keeping the rotary drum horizontal and driving the rotary drum to rotate;
the conductive fluid is composed of conductive materials, and the particle size of the conductive materials of the conductive fluid is smaller than the pores of the surface defects of the coating;
one end of the power supply is in conductive connection with the conductive fluid, the other end of the power supply is in metal connection with the exterior of the rotary drum, the conductive fluid is arranged in the rotary drum, and the conductive fluid is in full contact with the coating to be detected in the rotary drum under the supporting drive of the supporting device;
the power-on indicating device is arranged between the conductive fluid or the metal outside the rotary drum and the power supply and is used for indicating power-on information.
2. The apparatus for detecting the leakage of the coating in the rotary drum according to claim 1, wherein the supporting means comprises at least two sets of rotary rollers, at least two sets of rotary rollers are arranged in parallel for carrying the rotary drum, the rotary rollers are arranged on the supporting frame, and the power means is used for driving the rotary rollers to rotate.
3. The apparatus for detecting the leakage of the coating in the rotary drum according to claim 2, wherein said rotary roller is provided with at least three rotary wheels, said supporting means supports said rotary drum by at least three rotary wheels, said rotary wheels are metal wheels, and said rotary drum is electrically connected to said power source through said rotary wheels.
4. The apparatus of claim 1, further comprising an electrically conductive connecting arm having one end extending into the drum and electrically connected to the electrically conductive fluid and another end connected to the power source.
5. A drum interior coating leak detection apparatus as claimed in claim 1 wherein said conductive fluid is conductive sand or a conductive liquid.
6. The apparatus of claim 1, wherein the power indicator is a buzzer that sounds when the two ends of the power source are electrically connected.
7. The apparatus of claim 1, further comprising an electrical leakage detector, wherein the electrical leakage detector comprises a leakage detection handle, a magnetic attraction device is disposed at a leakage detection end of the leakage detection handle, and magnetically conductive particles are attracted to the magnetic attraction device, and the particle size of the magnetically conductive particles is smaller than the pores of the surface defects of the coating.
8. The apparatus for detecting leakage of coating in rotating drum according to claim 2, wherein the power device comprises a driving motor and a speed reducer, and the driving motor drives the rotating roller to rotate through the speed reducer, so as to drive the rotating drum to rotate.
9. The apparatus for detecting the leakage of the coating in the rotating drum according to claim 1, further comprising two baffle rings, wherein the two baffle rings are respectively plugged at two ends of the rotating drum, and the inner diameter of the baffle ring is smaller than the diameter of the cylinder on which the inner side of the helical blade of the inner wall of the rotating drum is located.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120724648.9U CN214373210U (en) | 2021-04-09 | 2021-04-09 | Rotary drum internal coating leak detection equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120724648.9U CN214373210U (en) | 2021-04-09 | 2021-04-09 | Rotary drum internal coating leak detection equipment |
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| CN214373210U true CN214373210U (en) | 2021-10-08 |
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| CN202120724648.9U Active CN214373210U (en) | 2021-04-09 | 2021-04-09 | Rotary drum internal coating leak detection equipment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114486103A (en) * | 2022-01-13 | 2022-05-13 | 华能国际电力股份有限公司德州电厂 | Condenser leak detection device |
-
2021
- 2021-04-09 CN CN202120724648.9U patent/CN214373210U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114486103A (en) * | 2022-01-13 | 2022-05-13 | 华能国际电力股份有限公司德州电厂 | Condenser leak detection device |
| CN114486103B (en) * | 2022-01-13 | 2024-03-12 | 华能国际电力股份有限公司德州电厂 | Leakage detection device for condenser |
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