CN113281248B - A preliminary examination equipment for anticorrosive pipeline processing - Google Patents
A preliminary examination equipment for anticorrosive pipeline processing Download PDFInfo
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- CN113281248B CN113281248B CN202110823073.0A CN202110823073A CN113281248B CN 113281248 B CN113281248 B CN 113281248B CN 202110823073 A CN202110823073 A CN 202110823073A CN 113281248 B CN113281248 B CN 113281248B
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- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 79
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 79
- 239000001301 oxygen Substances 0.000 claims abstract description 79
- 238000005260 corrosion Methods 0.000 claims abstract description 63
- 238000001514 detection method Methods 0.000 claims abstract description 63
- 230000007797 corrosion Effects 0.000 claims abstract description 50
- 239000003208 petroleum Substances 0.000 claims abstract description 24
- 238000007664 blowing Methods 0.000 claims description 16
- 238000001125 extrusion Methods 0.000 claims description 9
- 238000005192 partition Methods 0.000 claims description 9
- 238000005096 rolling process Methods 0.000 claims description 7
- 238000007789 sealing Methods 0.000 claims description 5
- 239000011521 glass Substances 0.000 claims description 4
- 239000000725 suspension Substances 0.000 claims description 4
- 230000008878 coupling Effects 0.000 claims description 2
- 238000010168 coupling process Methods 0.000 claims description 2
- 238000005859 coupling reaction Methods 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 17
- 238000000576 coating method Methods 0.000 description 12
- 239000011248 coating agent Substances 0.000 description 11
- 238000002640 oxygen therapy Methods 0.000 description 11
- 230000000694 effects Effects 0.000 description 10
- 238000007689 inspection Methods 0.000 description 9
- 230000003647 oxidation Effects 0.000 description 9
- 238000007254 oxidation reaction Methods 0.000 description 9
- 230000001133 acceleration Effects 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000003116 impacting effect Effects 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 238000007790 scraping Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000005536 corrosion prevention Methods 0.000 description 1
- 238000003487 electrochemical reaction Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000002503 metabolic effect Effects 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 230000000813 microbial effect Effects 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N17/00—Investigating resistance of materials to the weather, to corrosion, or to light
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Abstract
The invention belongs to the technical field of pipeline processing, and particularly relates to a pre-detection device for processing an anti-corrosion pipeline. The invention detects the corrosion resistance of the outer wall and the inner wall of the pipeline body by high-purity oxygen and petroleum, and detects by simulating the actual condition, so that the detection result infinitely tends to be reflected in the actual use process, and the use value of the pre-detection equipment is improved.
Description
Technical Field
The invention relates to the technical field of pipeline processing, in particular to a pre-inspection device for processing an anti-corrosion pipeline.
Background
The corrosion prevention of the pipeline refers to measures for slowing down or preventing the pipeline from being corroded and deteriorated under the chemical and electrochemical actions of internal and external media or by the metabolic activity of microorganisms; corrosion is defined in a pipeline system by chemical reactions, electrochemical reactions and microbial attack that occur in all metallic and non-metallic materials of the pipeline system based on the particular pipeline environment, which reactions can lead to damage and loss of pipeline structure and other materials.
Present anticorrosive pipeline adds man-hour, need detect the corrosion protection of this pipeline through the preliminary examination equipment, the check out equipment commonly used all is carrying out scraping of part anticorrosive coating from the pipeline after processing and gets, then detect the anticorrosive coating on the different positions, this kind of detection mode can detect out the anticorrosive effect of the anticorrosive coating of this pipeline outer wall, however, the pipeline is in the in-service use process, the corruption that external different factors led to the fact is all different to it, the anticorrosive effect of this anticorrosive pipeline is confirmed in the unable simple detection through anticorrosive coating, lead to this preliminary examination equipment to lack use value.
Disclosure of Invention
Based on the existing anticorrosion pipeline processing, the anticorrosion performance of the pipeline needs to be detected through pre-detection equipment, common detection equipment can detect the anticorrosion effect of the anticorrosion coating on the outer wall of the pipeline by scraping part of the anticorrosion coating from the processed pipeline and then detecting the anticorrosion coatings on different positions, but in the actual use process of the pipeline, different corrosion caused by different external factors is different, and the anticorrosion effect of the anticorrosion pipeline cannot be determined simply through the detection of the anticorrosion coating, so that the pre-detection equipment lacks the use value.
The invention provides a pre-detection device for processing an anti-corrosion pipeline, which comprises a detection box, a pipeline body and a rotating ring, wherein the inner wall of the top of the detection box is fixedly connected with a top plate, the outer wall of the bottom of the top plate is fixedly connected with a hanging plate, the outer wall of the bottom of the hanging plate is provided with a clamping assembly, an oil corrosion assembly is arranged inside the pipeline body, the outer wall of the rotating ring, which is positioned outside the pipeline body, is provided with a rotating limiting assembly, the outer wall of the other end of the oil corrosion assembly is provided with a sealing plate, the outer wall of the sealing plate is provided with feeding holes at equal intervals, the inner wall of each feeding hole is fixedly connected with a feeding pipe, the outer wall of each feeding pipe is sleeved with a pipe cover, and the outer walls of a plurality of pipe covers are fixedly connected with the same connecting plate.
Preferably, the oil corrosion assembly comprises an intermediate shaft, partition plates are fixedly connected to the outer wall of the intermediate shaft at equal intervals, the outer walls of the partition plates are fixedly connected with the same enclosure frame, adjusting holes are formed in the outer wall of the enclosure frame at equal intervals, and the enclosure frame is located at the outer walls of two ends of each adjusting hole and is fixedly connected with a flow limiting plate.
Preferably, per two same fixed plate of relative one side outer wall fixedly connected with of division board, and the outer wall equidistance fixedly connected with cylinder of fixed plate, a plurality of cylinder outer wall fixedly connected with that are located same fixed plate are the same regulating plate, and the spring is rocked to the outer wall equidistance fixedly connected with of regulating plate, and a plurality of outer wall fixedly connected with that rock the spring that are located same row are the same ejector pin, and the top outer wall equidistance fixedly connected with striking ball of every ejector pin.
Preferably, the centre gripping subassembly includes the grip ring, and the inner wall equidistance fixedly connected with fixed block of grip ring, every fixed block all has the grip block towards the both sides outer wall of grip ring central point through hinged joint, is located the same extrusion spring of the same one side outer wall fixedly connected with of two relative grip blocks on the same fixed block, the equal distance fixedly connected with friction disc of outer wall of every grip block.
Preferably, the rotation limiting assembly comprises a plurality of side frames, a hydraulic cylinder is connected to the outer wall of each side frame facing the central point of the rotating ring in a specified mode, a fastening plate is fixedly connected to the outer wall of the hydraulic cylinder, the fastening plate is of an arc-shaped structure, rolling balls are fixedly connected to the outer wall of the fastening plate at equal intervals, and the rolling balls are in contact with the outer wall of the pipeline body.
Preferably, the outer wall of the pipeline body is sleeved with an annular oxygen conveying pipe, the inner wall of the annular oxygen conveying pipe is provided with oxygen blowing holes at equal intervals, the inner wall of the annular oxygen conveying pipe close to each row of the oxygen blowing holes is fixedly connected with an inclined blade, and the inclined blade is contacted with the outer wall of the pipeline body.
Preferably, the bottom outer wall fixedly connected with pump frame of roof, and the outer wall fixedly connected with oxygen therapy pump of pump frame, the oxygen therapy end of oxygen therapy pump passes through the body and connects in the inside of annular oxygen therapy pipe, and the oxygen inlet end fixedly connected with of oxygen therapy pump advances the oxygen pipe, advances the inside that the oxygen pipe is located the detection case.
Preferably, the bottom outer wall fixedly connected with guided way of roof, and the inner wall sliding connection of guided way has the slider, the bottom outer wall fixedly connected with jib of slider, the bottom outer wall fixedly connected with motor board of jib, the outer wall fixedly connected with motor of motor board, the output shaft of motor passes through shaft coupling fixedly connected with pivot, the other end fixed connection of pivot is in rotatory outer wall.
Preferably, the outer wall both ends of both sides of detection case all have the chamber door through hinge connection, and the outer wall of four chamber doors all opens the observation hole, and the equal fixedly connected with glass observation window of inner wall in every observation hole, the both sides inner wall of detection case all is equipped with the subassembly that flows with higher speed.
Preferably, the subassembly that flows with higher speed includes blast plate and air-blower, and the equal fixedly connected with mounting panel of both sides outer wall of detection case, and air-blower fixed connection is in the top outer wall of mounting panel, and blast plate fixed connection is close to the both sides inner wall on top in the detection case, and two blast plate face are opened towards the equal distance of outer wall of pipeline body has the blast hole, and the blast end of air-blower passes through the inside of pipe connection in blast plate.
The beneficial effects of the invention are as follows:
1. by arranging the oil corrosion assembly, when the corrosion resistance of the pipeline is detected, the inner wall of the corrosion-resistant pipeline is corroded by the oil corrosion assembly, then the corroded inner wall of the pipeline is detected, the corroded quality of the corrosion-resistant pipeline is observed, when an oil corrosion test is carried out, oil is conveyed to the inside of the pipeline body through the feeding pipe, the adjusting plate is driven to eject out by the regular adjusting cylinder, the oil is conveyed to the inner wall of the pipeline body through the ejection rod which is uniformly distributed on the adjusting plate, so that the inner wall of the pipeline body is in close contact with the oil repeatedly, in the ejection process of the adjusting plate, the oil is impacted by each impact ball on the ejection rod driven by the rocking spring, so that the oil is in contact with the inner wall of the pipeline body when impacting, the corrosion effect of the oil on the inner wall of the pipeline body in unit time is improved, the pre-detection progress is accelerated, and meanwhile, in the process of oil corrosion, the starter motor, the motor drives rotatory ring through the pivot and rotates to the oil that drives on rotatory ring corrodes the subassembly and further accelerates the corruption to pipeline body inner wall, further improves the preliminary examination progress.
2. Through being provided with annular oxygen therapy pipe, oxygen hole and slant leaf bulge, when carrying out pipeline body anticorrosive ability preliminary examination, a large amount of high-purity oxygen is gone into to the inside drum of detection case, thereby carry out the oxidation to the anticorrosive coating of pipeline body outer wall through high-purity oxygen, the in-process of oxidation, start oxygen delivery pump, oxygen delivery pump is with the leading-in annular oxygen therapy pipe of the inside oxygen of detection case, through the oxygen hole bulge with oxygen between leading-in each slant leaf bulge, carry to the outer wall of pipeline body through the slant leaf, make the outer wall of pipeline body of the oxygen non-intermittent type of high-purity erode repeatedly, improve the oxidation effect and the oxidation efficiency of oxygen, further improve the anticorrosive ability detection of pipeline body outer wall anticorrosive coating.
3. The outer wall and the inner wall of the pipeline body are subjected to corrosion resistance detection through high-purity oxygen and petroleum, and detection is performed through simulation of actual conditions, so that the detection result infinitely tends to the reflection in the actual use process, and the use value of the pre-detection equipment is improved.
4. Through being provided with rotatory spacing subassembly, the motor drives rotatory ring and carries out the in-process of rotation, adjusts the outer wall contact of each roll ball on the hydraulic cylinder drive mounting plate and pipeline body, and the roll ball rolls on the outer wall of pipeline body along with rotatory ring's rotation, when playing spacing fixed to the rotating ring, reduces the friction damage to pipeline body outer wall.
5. Through being provided with the centre gripping subassembly, when carrying out the installation of pipeline body, pass the grip ring with the pipeline body, the inside grip block of grip ring extends towards the outer wall of pipeline body under the extrusion of pipeline body, and extrusion spring is stretched for compactness between grip block and the pipeline body increases, and simultaneously, the friction disc on the grip block increases the frictional force that receives in the pipeline body clamping process, further improves the fastness of pipeline body centre gripping.
6. Through being provided with the subassembly that flows with higher speed, the subassembly that flows with higher speed includes the air-blower, blast air board and blast air hole, when carrying out corrosion protection ability detection to pipeline body outer wall through high-purity oxygen, start the air-blower, the air-blower is through the blast air hole on the blast air board to the further transport oxygen of detection case inside, increase the inside oxygen concentration of detection case, and simultaneously, the inside oxygen flow velocity of detection case accelerates, increase the frequency of oxygen and the contact of pipeline body outer wall contact and the degree of osculating, improve the speed that corrosion protection ability detected.
Drawings
FIG. 1 is a schematic overall structure diagram of a pre-inspection device for processing an anti-corrosion pipeline according to the present invention;
FIG. 2 is a schematic view of the internal structure of a detection box of the pre-detection device for processing the anti-corrosion pipeline according to the present invention;
FIG. 3 is a schematic view of a petroleum corrosion assembly of a pre-inspection apparatus for corrosion-resistant pipe machining according to the present invention;
FIG. 4 is a schematic plan view of the structure of FIG. 3;
FIG. 5 is a schematic view of a rotation limiting assembly of a pre-inspection apparatus for processing an anti-corrosion pipeline according to the present invention;
FIG. 6 is a schematic view of a clamping assembly of a pre-inspection apparatus for processing corrosion-resistant pipes according to the present invention;
FIG. 7 is a schematic structural view of an annular oxygen pipe of a pre-inspection device for processing an anti-corrosion pipeline according to the present invention;
FIG. 8 is a schematic view of an accelerated flow assembly of a pre-inspection apparatus for corrosion resistant pipe machining in accordance with the present invention;
fig. 9 is a schematic structural diagram of a pipe body of the pre-inspection device for processing the corrosion-resistant pipe according to the present invention.
In the figure: 1. a detection box; 2. a glass viewing window; 3. a box door; 4. an annular oxygen therapy tube; 5. mounting a plate; 6. a blower; 8. a blast plate; 9. a hanger plate; 10. a top plate; 11. a guide rail; 12. a motor; 13. a pipe body; 14. a restrictor plate; 15. ejecting the rod; 16. striking a ball; 17. an adjusting plate; 18. an intermediate shaft; 19. enclosing the frame; 20. a partition plate; 21. a cylinder; 22. shaking the spring; 23. a fixing plate; 24. a rotating ring; 25. a side frame; 26. a hydraulic cylinder; 27. a fastening plate; 28. a rolling ball; 29. a clamp ring; 30. a clamping plate; 31. a friction plate; 32. a fixed block; 33. a compression spring; 34. a pump frame; 35. oblique leaves; 36. oxygen blowing holes; 37. an oxygen transfer pump; 39. a blast hole; 40. a slider; 41. a boom; 42. a rotating shaft; 43. a motor plate; 44. a sealing plate; 45. a tube cover; 46. a connecting plate; 47. and (4) feeding a pipe.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1, fig. 3 and fig. 4, a preliminary examination equipment for anticorrosive pipeline processing, including detection case 1, pipeline body 13 and rotatory ring 24, the top inner wall fixedly connected with roof 10 of detection case 1, and the bottom outer wall fixedly connected with hanger plate 9 of roof 10, the bottom outer wall of hanger plate 9 is equipped with the centre gripping subassembly, the inside of pipeline body 13 is equipped with the oil corrosion subassembly, and the outer wall that rotatory ring 24 is located the pipeline body 13 outside is equipped with rotatory spacing subassembly, the other end outer wall of oil corrosion subassembly is equipped with closing plate 44, and the outer wall equidistance of closing plate 44 has opened the feed port, the equal fixedly connected with inlet pipe 47 of inner wall of every feed port, the pipe lid 45 has all been cup jointed to the outer wall of every inlet pipe 47, the same connecting plate 46 of outer wall fixedly connected with of a plurality of pipe lids 45.
In the invention, the petroleum corrosion component comprises an intermediate shaft 18, partition plates 20 are fixedly connected to the outer wall of the intermediate shaft 18 at equal intervals, the outer walls of a plurality of partition plates 20 are fixedly connected with a same surrounding frame 19, adjusting holes are formed in the outer wall of the surrounding frame 19 at equal intervals, the outer walls of the surrounding frame 19 at two ends of each adjusting hole are fixedly connected with flow limiting plates 14, the outer wall of one opposite side of each two partition plates 20 is fixedly connected with a same fixed plate 23, the outer wall of the fixed plate 23 is fixedly connected with air cylinders 21 at equal intervals, the outer walls of the air cylinders 21 on the same fixed plate 23 are fixedly connected with a same adjusting plate 17, the outer wall of the adjusting plate 17 is fixedly connected with shaking springs 22 at equal intervals, the outer walls of the shaking springs 22 in the same column are fixedly connected with a same ejection rod 15, the outer wall of the top of each ejection rod 15 is fixedly connected with balls 16 at equal intervals, and the petroleum corrosion component is arranged, when the corrosion resistance of the pipeline is detected, the inner wall of the corrosion-resistant pipeline is corroded by the petroleum corrosion assembly, then the corroded inner wall of the pipeline is detected, the corroded quality of the corrosion-resistant pipeline is observed, when a petroleum corrosion test is carried out, petroleum is conveyed into the pipeline body 13 through the feeding pipe 47, the adjusting plate 17 is driven to eject out by the regular adjusting cylinder 21, the petroleum is conveyed to the inner wall of the pipeline body 13 through the ejecting rod 15 uniformly distributed on the adjusting plate 17, so that the inner wall of the pipeline body 13 is contacted with the petroleum repeatedly and closely, in the ejecting process of the adjusting plate 17, the shaking spring 22 drives each ball 16 on the ejecting rod 15 to impact the petroleum, so that the petroleum is contacted with the inner wall of the pipeline body 13 when impacting the inner wall of the pipeline body 13, the corrosion effect of the petroleum on the inner wall of the pipeline body 13 in unit time is improved, the pre-detection progress is accelerated, and simultaneously, in the petroleum corrosion process, starting the motor 12, the motor 12 drives the rotating ring 24 to rotate through the rotating shaft 42, so as to drive the oil corrosion component on the rotating ring 24 to further accelerate corrosion on the inner wall of the pipeline body 13, and further improve the pre-detection progress.
Referring to fig. 1 and 6, the clamping assembly includes a clamping ring 29, and fixed blocks 32 are fixedly connected to the inner wall of the clamping ring 29 at equal intervals, the outer walls of both sides of each fixed block 32 facing the central point of the clamping ring 29 are connected to a clamping plate 30 through hinges, the outer wall of the opposite side of two clamping plates 30 on the same fixed block 32 is fixedly connected to the same extrusion spring 33, the outer wall of each clamping plate 30 is fixedly connected to a friction plate 31 at equal intervals, by providing the clamping assembly, when the pipe body 13 is installed, the pipe body 13 passes through the clamping ring 29, the clamping plates 30 inside the clamping ring 29 extend toward the outer wall of the pipe body 13 under the extrusion action of the pipe body 13, the extrusion springs 33 are stretched, so that the tightness between the clamping plates 30 and the pipe body 13 is increased, and at the same time, the friction plates 31 on the clamping plates 30 increase the friction force applied during the clamping process of the pipe body 13, further improving the clamping firmness of the pipe body 13.
Referring to fig. 1 and 5, the rotation limiting assembly includes a plurality of side frames 25, and a hydraulic cylinder 26 is connected to an outer wall of each side frame 25 facing a central point of the rotating ring 24, a fastening plate 27 is fixedly connected to an outer wall of the hydraulic cylinder 26, the fastening plate 27 has an arc-shaped structure, rolling balls 28 are fixedly connected to an outer wall of the fastening plate 27 at equal intervals, and the rolling balls 28 are in contact with an outer wall of the pipe body 13.
Referring to fig. 7, an annular oxygen supply pipe 4 is sleeved on the outer wall of a pipeline body 13, oxygen blowing holes 36 are equidistantly formed in the inner wall of the annular oxygen supply pipe 4, oblique blades 35 are fixedly connected to the inner wall of the annular oxygen supply pipe 4 close to each row of the oxygen blowing holes 36, the oblique blades 35 are in contact with the outer wall of the pipeline body 13, a pump frame 34 is fixedly connected to the outer wall of the bottom of a top plate 10, an oxygen supply pump 37 is fixedly connected to the outer wall of the pump frame 34, the oxygen supply end of the oxygen supply pump 37 is connected to the inside of the annular oxygen supply pipe 4 through a pipe body, an oxygen supply pipe is fixedly connected to the oxygen supply end of the oxygen supply pump 37, the oxygen supply pipe is located inside a detection box 1, and when the corrosion resistance of the pipeline body 13 is pre-detected, a large amount of high-purity oxygen is blown into the detection box 1 through the annular oxygen supply pipe 4, the oxygen blowing holes 36 and the oblique blades 35, so that the corrosion-resistant coating on the outer wall of the pipeline body 13 is oxidized through the high-purity oxygen, in-process of oxidation, start oxygen therapy pump 37, oxygen therapy pump 37 is with the leading-in annular oxygen therapy pipe 4 of the inside oxygen of detection case 1, through blowing oxygen hole 36 with oxygen between leading-in each slant leaf 35, carry to the outer wall of pipeline body 13 through slant leaf 35 for the outer wall of pipeline body 13 is washed repeatedly to the oxygen that high-purity oxygen does not have the intermittence, improves the oxidation effect and the oxidation efficiency of oxygen, further improves the anticorrosive performance detection of pipeline body 13 outer wall anticorrosive coating.
Referring to fig. 1 and 9, a guide rail 11 is fixedly connected to the outer wall of the bottom of the top plate 10, a slider 40 is slidably connected to the inner wall of the guide rail 11, a suspension rod 41 is fixedly connected to the outer wall of the bottom of the slider 40, a motor plate 43 is fixedly connected to the outer wall of the bottom of the suspension rod 41, a motor 12 is fixedly connected to the outer wall of the motor plate 43, an output shaft of the motor 12 is fixedly connected to a rotating shaft 42 through a coupler, and the other end of the rotating shaft 42 is fixedly connected to the outer wall of the rotating ring 24.
Referring to fig. 1 and 8, two ends of the outer walls of two sides of a detection box 1 are connected with box doors 3 through hinges, and the outer walls of four box doors 3 are provided with observation holes, the inner wall of each observation hole is fixedly connected with a glass observation window 2, two inner walls of two sides of the detection box 1 are provided with flow acceleration components, each flow acceleration component comprises a blast plate 8 and a blower 6, the outer walls of two sides of the detection box 1 are fixedly connected with a mounting plate 5, the blower 6 is fixedly connected with the top outer wall of the mounting plate 5, the blast plates 8 are fixedly connected with the inner walls of two sides of the detection box 1 close to the top end, the outer walls of the two blast plates 8 facing a pipeline body 13 are provided with blast holes 39 at equal distances, the blast end of the blower 6 is connected with the inside of the blast plate 8 through a pipeline, the flow acceleration components are arranged, each flow acceleration component comprises a blower 6, a blast plate 8 and a blast hole 39, when the outer wall of the pipeline body 13 is subjected to corrosion resistance detection through high-purity oxygen, start air-blower 6, air-blower 6 is through the blast hole 39 on the blast plate 8 to the inside further transport oxygen of detection case 1, increases the inside oxygen concentration of detection case 1, simultaneously, accelerates the inside oxygen flow velocity of detection case 1, increases the frequency of oxygen and the contact of pipeline body 13 outer wall contact and the degree of osculating closely, improves the speed that corrosion protection performance detected.
When the device is used, the pipeline body 13 penetrates through the clamping ring 29, the clamping plate 30 in the clamping ring 29 extends towards the outer wall of the pipeline body 13 under the extrusion action of the pipeline body 13, the extrusion spring 33 is stretched, so that the tightness between the clamping plate 30 and the pipeline body 13 is increased, meanwhile, the friction force applied in the clamping process of the pipeline body 13 is increased by the friction plate 31 on the clamping plate 30, after the pipeline body 13 is installed, the annular oxygen conveying pipe 4 is sleeved on the outer wall of the pipeline body 13, so that the inclined blade 35 is in contact with the outer wall of the pipeline body 13, then an oil corrosion assembly is penetrated into the pipeline body 13, the rotating ring 24 is in contact with the outer wall on one side of the pipeline body 13, then oil is led into the pipeline body 13 through the feeding pipe 47, then the pipe cover 45 on the connecting plate 46 is in butt joint with the feeding pipe 47, the feeding pipe 47 is blocked, the box door 3 is closed, a large amount of high-purity oxygen is blown into the detection box 1, starting to simulate a corrosive environment, periodically adjusting the cylinder 21 to drive the adjusting plate 17 to eject, conveying petroleum to the inner wall of the pipeline body 13 through the ejecting rod 15 uniformly distributed on the adjusting plate 17, enabling the inner wall of the pipeline body 13 to be in close contact with the petroleum repeatedly, in the process of ejecting the adjusting plate 17, shaking the spring 22 to drive each striking ball 16 on the ejecting rod 15 to strike the petroleum, enabling the petroleum to be in contact with the inner wall of the pipeline body 13 when striking, improving the corrosion effect of the petroleum on the inner wall of the pipeline body 13 in unit time, accelerating the pre-inspection progress, meanwhile, in the process of petroleum corrosion, starting the motor 12, driving the rotating ring 24 to rotate through the rotating shaft 42 by the motor 12, further accelerating the corrosion on the inner wall of the pipeline body 13 by a petroleum corrosion component on the rotating ring 24, in the process of petroleum corrosion on the inner wall, starting the oxygen delivery pump 37, leading oxygen in the detection box 1 into the annular oxygen delivery pipe 4 by the oxygen delivery pump 37, leading-in each slant leaf 35 of oxygen through blowing oxygen hole 36, carry to the outer wall of pipeline body 13 through slant leaf 35 for the outer wall of pipeline body 13 is washed repeatedly to the oxygen of high-purity non-intermittent type, improves the oxidation effect and the oxidation efficiency of oxygen, and after a period, the corruption condition of observing pipeline body 13 outer wall and inner wall learns the corrosion protection of pipeline body 13.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (6)
1. A pre-detection device for processing an anti-corrosion pipeline comprises a detection box (1), a pipeline body (13) and a rotating ring (24), it is characterized in that the inner wall of the top of the detection box (1) is fixedly connected with a top plate (10), and the outer wall of the bottom of the top plate (10) is fixedly connected with a hanging plate (9), the outer wall of the bottom of the hanging plate (9) is provided with a clamping assembly, the inside of the pipeline body (13) is provided with an oil corrosion assembly, and the outer wall of the rotating ring (24) positioned at the outer side of the pipeline body (13) is provided with a rotating limiting component, the outer wall of the other end of the petroleum corrosion component is provided with a sealing plate (44), the outer wall of the sealing plate (44) is provided with feeding holes at equal intervals, the inner wall of each feeding hole is fixedly connected with a feeding pipe (47), the outer wall of each feeding pipe (47) is sleeved with a pipe cover (45), and the outer walls of the plurality of pipe covers (45) are fixedly connected with the same connecting plate (46);
the petroleum corrosion assembly comprises an intermediate shaft (18), partition plates (20) are fixedly connected to the outer wall of the intermediate shaft (18) at equal intervals, the outer walls of the partition plates (20) are fixedly connected with a same enclosure frame (19), adjusting holes are formed in the outer wall of the enclosure frame (19) at equal intervals, and the outer walls of the enclosure frame (19) at two ends of each adjusting hole are fixedly connected with flow limiting plates (14);
the outer walls of the opposite sides of every two partition plates (20) are fixedly connected with the same fixing plate (23), the outer walls of the fixing plates (23) are fixedly connected with air cylinders (21) at equal intervals, the outer walls of a plurality of air cylinders (21) on the same fixing plate (23) are fixedly connected with the same adjusting plate (17), the outer walls of the adjusting plates (17) are fixedly connected with shaking springs (22) at equal intervals, the outer walls of a plurality of shaking springs (22) in the same column are fixedly connected with the same ejection rod (15), and the outer wall of the top of each ejection rod (15) is fixedly connected with impact balls (16) at equal intervals;
the clamping assembly comprises a clamping ring (29), fixed blocks (32) are fixedly connected to the inner wall of the clamping ring (29) at equal intervals, the outer walls of two sides, facing the central point of the clamping ring (29), of each fixed block (32) are connected with clamping plates (30) through hinges, the outer walls of the two opposite sides of the two clamping plates (30) on the same fixed block (32) are fixedly connected with the same extrusion spring (33), and friction plates (31) are fixedly connected to the outer walls of the clamping plates (30) at equal intervals;
the rotation limiting assembly comprises a plurality of side frames (25), a hydraulic cylinder (26) is connected to the outer wall of the center point of each side frame (25) facing the rotating ring (24), a fastening plate (27) is fixedly connected to the outer wall of the hydraulic cylinder (26), the fastening plate (27) is of an arc-shaped structure, rolling balls (28) are fixedly connected to the outer wall of the fastening plate (27) at equal intervals, and the rolling balls (28) are in contact with the outer wall of the pipeline body (13).
2. The pre-detection device for processing the anti-corrosion pipeline as claimed in claim 1, wherein the outer wall of the pipeline body (13) is sleeved with an annular oxygen conveying pipe (4), the inner wall of the annular oxygen conveying pipe (4) is provided with oxygen blowing holes (36) at equal intervals, the inner wall of the annular oxygen conveying pipe (4) close to each row of the oxygen blowing holes (36) is fixedly connected with an inclined blade (35), and the inclined blade (35) is in contact with the outer wall of the pipeline body (13).
3. The pre-detection equipment for processing the anti-corrosion pipeline as claimed in claim 2, wherein a pump frame (34) is fixedly connected to the outer wall of the bottom of the top plate (10), an oxygen delivery pump (37) is fixedly connected to the outer wall of the pump frame (34), an oxygen delivery end of the oxygen delivery pump (37) is connected to the inside of the annular oxygen delivery pipe (4) through a pipe body, an oxygen inlet pipe is fixedly connected to the oxygen inlet end of the oxygen delivery pump (37), and the oxygen inlet pipe is located inside the detection box (1).
4. The pre-detection device for processing the anti-corrosion pipeline as recited in claim 1, wherein a guide rail (11) is fixedly connected to the outer wall of the bottom of the top plate (10), a slider (40) is slidably connected to the inner wall of the guide rail (11), a suspension rod (41) is fixedly connected to the outer wall of the bottom of the slider (40), a motor plate (43) is fixedly connected to the outer wall of the suspension rod (41), a motor (12) is fixedly connected to the outer wall of the motor plate (43), a rotating shaft (42) is fixedly connected to an output shaft of the motor (12) through a coupling, and the other end of the rotating shaft (42) is fixedly connected to the outer wall of the rotating ring (24).
5. The pre-detection device for processing the anti-corrosion pipeline as claimed in claim 1, wherein two ends of outer walls of two sides of the detection box (1) are connected with box doors (3) through hinges, the outer walls of the four box doors (3) are provided with observation holes, the inner wall of each observation hole is fixedly connected with a glass observation window (2), and the inner walls of two sides of the detection box (1) are provided with flow accelerating components.
6. The pre-detection device for processing the anti-corrosion pipeline is characterized in that the accelerated flowing assembly comprises a blowing plate (8) and a blower (6), the outer walls of the two sides of the detection box (1) are fixedly connected with a mounting plate (5), the blower (6) is fixedly connected with the outer wall of the top of the mounting plate (5), the blowing plate (8) is fixedly connected with the inner walls of the two sides, close to the top end, of the detection box (1), the two blowing plates (8) are provided with blowing holes (39) at equal distances towards the outer wall of the pipeline body (13), and the blowing end of the blower (6) is connected to the inner portion of the blowing plate (8) through a pipeline.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110823073.0A CN113281248B (en) | 2021-07-21 | 2021-07-21 | A preliminary examination equipment for anticorrosive pipeline processing |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110823073.0A CN113281248B (en) | 2021-07-21 | 2021-07-21 | A preliminary examination equipment for anticorrosive pipeline processing |
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| CN113281248B true CN113281248B (en) | 2021-10-01 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US4541278A (en) * | 1984-04-23 | 1985-09-17 | Union Oil Company Of California | Pipeline corrosion sensing device and method |
| JP2000186996A (en) * | 1998-12-22 | 2000-07-04 | Mitsubishi Electric Corp | Deterioration evaluating device for petroleum product |
| US20090068060A1 (en) * | 2007-06-27 | 2009-03-12 | Alfermann Michael J | Corrosion Monitor |
| JP2020118468A (en) * | 2019-01-18 | 2020-08-06 | マツダ株式会社 | Corrosion resistance test device of coated metal material |
| CN210830979U (en) * | 2019-10-14 | 2020-06-23 | 河北宇通管道制造有限公司 | Petroleum pipeline sleeve |
| CN111693450A (en) * | 2020-06-28 | 2020-09-22 | 烟台视界智能科技有限公司 | Device for detecting corrosion resistance of inner pipeline of drying fan |
| CN212622122U (en) * | 2020-08-04 | 2021-02-26 | 广东西南石化装备有限公司 | High-pressure pipeline's corrosivity check out test set |
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