CN114324380A - Permeation detection system and permeation detection method for inner hole surfacing layer of underwater oil extraction forge piece - Google Patents
Permeation detection system and permeation detection method for inner hole surfacing layer of underwater oil extraction forge piece Download PDFInfo
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Abstract
The invention relates to a penetration detection system and a penetration detection method for an inner hole overlaying layer of an underwater oil extraction forge piece, which comprises an emulsification penetration tank, a post-emulsification penetration tank, a multifunctional cleaning washing tank, an emulsification tank, a developing tank, a drying box and an inspection observation chamber, wherein each device is provided with a common monorail crane; the detection step comprises: preparing the surface of a detected workpiece; applying a penetrant on the surface to be detected of the detected workpiece to enable the penetrant to completely cover the surface to be detected; removing redundant penetrating agents on the surface of the detected workpiece; drying the surface to be detected of the detected workpiece; applying a developer to the surface to be detected of the detected workpiece to develop the surface; testing the light intensity, and testing the non-fluorescent penetrant under white light; fluorescent penetrants are tested under ultraviolet light, but are required to be tested in dark areas with visible light; analyzing the defect condition of the surfacing layer of the workpiece to finish the detection of the detected workpiece; and removing the penetrating agent and the developer remained on the surface of the workpiece. The method can accurately judge whether the surfacing layer has defects or not, and improve the reliability of oil extraction equipment.
Description
Technical Field
The invention relates to a penetration detection system of an inner hole overlaying layer of an underwater oil extraction forge piece, and also relates to a penetration detection method of the inner hole overlaying layer of the underwater oil extraction forge piece, belonging to the technical field of nondestructive detection.
Background
The manufacturing industry at home and abroad pays attention to the development of the surfacing technology, and related academic institutions of developed countries of various industries are provided with special committees to coordinate and promote the development of the surfacing technology. Surfacing is increasingly used in the manufacture or repair of parts in various industrial sectors as an economical and rapid process for modifying the surface of materials. The surfacing technology originates from the end of the 20 th century and the 50 th year in China, and is almost developed synchronously with the welding technology. The initial development was mainly used in the field of restoration, i.e. restoring the shape and size of parts, which has been combined with strengthening the surface and surface modification in the 60 s. The surfacing technology has a wind and rain course of nearly 60 years in China, not only is a process method for prolonging the service life of materials or parts, but also becomes the development basis of the advanced manufacturing technology.
The manufacturing period of the die in China is generally twice that of the die in the developed industrial countries, and the service life is only one fifth, so that the improvement of the service life of the die and the reduction of the cost of the die are significant works. The method for manufacturing the die by adopting the surfacing method, repairing the damaged die and processing the out-of-tolerance die in the repair welding manufacturing process are actually applied to various dies, wherein the dies comprise a forging die in the forging industry, a stamping die in the automobile and tractor industry and the like, and the good effect is achieved. At present, the international surfacing penetration detection standard is applied for many years, but the surfacing penetration detection standard in China is not standard in surfacing control and surfacing surface defect detection methods, and is not suitable for the surfacing development of a new era.
How to ensure the product quality of the offshore oil extraction forge piece and solve the detection method of the inner hole surfacing material, the nondestructive detection function is very important. At present, the manufacturing of undersea oil extraction equipment with the bore diameter of more than 50mm in China is not mature, and no detection method of the inner bore surfacing layer is applied, so that how to accurately perform penetration detection of the inner bore surfacing layer of the underwater oil extraction device is a crucial part for constructing the underwater oil extraction device.
Disclosure of Invention
The invention aims to overcome the problems in the prior art, and provides a penetration detection system for an inner hole overlaying layer of an underwater oil extraction forge piece, which can accurately judge whether the surface of the inner hole overlaying layer of the underwater oil extraction forge piece has the defects of discontinuous opening cracks and the like, improve the efficiency and quality of nondestructive detection and ensure the operation reliability of an offshore oil extraction device.
In order to solve the technical problem, the penetration detection system of the surfacing layer of the inner hole of the underwater oil extraction forge piece comprises a plurality of functional grooves, the functional tanks comprise an emulsification and infiltration tank, a rear emulsification and infiltration tank, a multifunctional cleaning and washing tank, an emulsification tank and a developing tank which are sequentially and transversely arranged along the advancing direction of the workpiece, a common pedal plate is arranged at the front side of each functional tank, a common monorail crane for hoisting the workpiece is arranged above each functional tank, the tail end of a transverse rail of the monorail travelling crane is converted into a longitudinal rail through an arc-shaped bent rail, a drying box and an inspection observation chamber are arranged below the arc-shaped bent rail and the longitudinal rail, dust collection covers are respectively arranged above the functional grooves, outlets of the dust collection covers are respectively connected with a dust remover through an air suction pipeline, outlets of the dust remover are connected with an air suction and exhaust device, and water outlets of the functional grooves are respectively connected with a sewage collection box body through drain pipes.
Further, an outlet of the pumping and exhausting device is connected with an inlet of the oil mist purifying device, and an outlet of the oil mist purifying device is communicated with the atmosphere; one side of the functional groove is provided with a central electric water heater, and a hot water pipe of the central electric water heater is connected with a hot water faucet of each functional groove; the outlet of the sewage collecting box body is connected with the inlet of the drainage pump, and the outlet pipeline of the drainage pump is connected with the sewage treatment device.
The invention also aims to overcome the problems in the prior art and provide the penetration detection method for the inner hole overlaying layer of the underwater oil extraction forge piece, which can accurately judge whether the surface of the inner hole overlaying layer of the underwater oil extraction forge piece has the defects of discontinuous opening cracks and the like, improve the efficiency and quality of nondestructive detection and ensure the operation reliability of the offshore oil extraction equipment.
In order to solve the technical problems, the penetration detection method of the surfacing layer of the inner hole of the underwater oil extraction forge piece comprises the following steps:
s1: preparing the surface of a detected workpiece;
s2: hoisting the workpiece to an emulsification infiltration tank by a monorail crane, and applying an osmotic agent on the surface to be detected of the detected workpiece in a soaking, spraying, brushing or flow coating mode to enable the osmotic agent to completely cover the surface to be detected;
s3: removing redundant penetrating agents on the surface of the detected workpiece;
s4: transferring the detected workpiece into a drying box, and drying the surface to be detected of the detected workpiece;
s5: transferring the detected workpiece to a developing tank, and applying a developer to the surface to be detected of the detected workpiece to develop the detected workpiece;
s6: transferring the detected workpiece to an inspection observation room by a single-rail crane to inspect the light intensity, judging whether surface-opening discontinuous cracks exist or not, and inspecting the non-fluorescent penetrant under white light; fluorescent penetrants are tested under ultraviolet light, but are required to be tested in dark areas with visible light;
s7: analyzing the defect condition of the surfacing layer of the workpiece to finish the detection of the detected workpiece;
s8: and transferring the detected workpiece to a multifunctional cleaning and washing tank through a single-rail traveling crane, and removing the residual penetrant and developer on the surface of the detected workpiece.
Further, the surface preparation in step S1 includes cleaning the surface to be inspected and adjacent materials of more than 25mm, and drying for more than 5 minutes by natural evaporation or by forced air, the cleaning includes removing dirt, grease, paint, and oxide skin, and the cleaning includes washing by a detergent, an organic solvent, a rust removing solution, a paint remover, or a mechanical method; the step S1 further includes confirming that the surface temperature to be inspected of the inspected workpiece is not lower than 5 ℃ or higher than 52 ℃.
Further, step S3 specifically includes the following manner,
when the penetrating agent is a solvent removal type penetrating agent, wiping the surface with clean non-depilatory cloth, then slightly dipping the clean non-depilatory cloth with the solvent, and wiping the trace of the residual penetrating agent;
when the penetrant is a water-washing penetrant, firstly, spraying coarse water at a spraying angle of 45-70 degrees to remove redundant penetrant, wherein the water pressure is not more than 0.35MPa, and the water temperature is 5-45 ℃;
and when the penetrating agent is a fluorescent penetrating agent, flushing the workpiece to be detected under an ultraviolet lamp in a semi-dark area.
Further, the drying processing mode of step S4 includes drying with compressed air, drying with hot air circulation, and drying naturally in air, the drying time is controlled within 30 minutes, the temperature in the drying oven is 20-70 ℃, and the temperature uniformity error in the drying oven is ± 5 ℃ based on the fact that the surface of the detected part is just dried.
Further, the penetrating agent comprises a solvent removal type penetrating agent, a water washing type penetrating agent and a fluorescence penetrating agent, the temperature of the penetrating agent is 10-40 ℃, the penetrating time is not less than 10 minutes, and the penetrating agent needs to be kept wet during the residence period; after the workpiece is permeated, redundant permeating liquid drops attached to the surface of the workpiece need to fall behind, a next cleaning procedure can be carried out, and the dripping time is counted into the permeating time.
Further, in step S3, if the workpiece is a water-soluble self-emulsifying penetrating fluid, the excessive penetrating agent on the workpiece surface can be directly washed away by water;
if the workpiece is a post-emulsification penetrating fluid which is not easy to dissolve in water, the redundant penetrating fluid on the surface of the workpiece can be washed away by water after emulsification under the action of an emulsifier; in order to generate a uniform emulsion layer, a method of immersing the workpiece in the emulsifier is adopted, or the emulsifier is poured and applied.
Further, the development modes for applying the developer in step S5 include dry powder development, non-aqueous wet development, water-soluble development, aqueous suspension development and self-development; the dry powder development adopts an outward feeding powder spraying mode, an outward feeding powder spraying device needs to ensure that the development powder is dry and loose, the development powder is uniformly atomized and does not leak when the powder is sprayed, a gas blowing gun is adopted to blow off redundant development powder except the surface defects of the detected workpiece after the powder spraying is finished, and the gas blowing pressure is less than or equal to 0.17 Mpa.
Further, the analysis method described in step S7 includes a visual inspection, in which the light intensity of the visual inspection is 1000lx and the minimum angle of the inspected surface is 30 °; the auxiliary tools adopted by the visual detection comprise a mirror, a telescope, a magnifying glass and a remote control visual device, wherein the remote control visual device comprises a camera system, an endoscope or a fiber mirror.
The invention has the beneficial effects that: 1. the metal parts and products with unqualified shapes can be repaired or the bimetallic parts can be manufactured by surfacing, so that the service life of the parts can be effectively prolonged, the cost is reduced, the products are improved, and the method has important significance for reasonably using materials, particularly precious metals. The method can accurately find the flaws which are not easy to find on the surfacing layer so as to carry out remediation, thereby prolonging the service life of the workpiece, reducing the production cost and preparing for subsequent research work.
Drawings
FIG. 1 is a plan layout view of a penetration detection system for a weld overlay in an inner bore of an underwater oil extraction forging of the present invention.
FIG. 2 is a flow chart of the penetration detection method of the weld overlay in the inner hole of the underwater oil extraction forge piece.
In the figure: 1. an emulsion infiltration tank, 2, a post-emulsion infiltration tank, 3, a multifunctional cleaning and washing tank and 4, an emulsion tank; 5. the system comprises a developing tank, 6 steps of a pedal, 7 steps of a monorail travelling crane, 8 steps of a drying box and 9 steps of an inspection observation room.
Detailed Description
The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic views illustrating only the basic structure of the present invention in a schematic manner, and thus show only the constitution related to the present invention.
As shown in figure 1, the penetration detection system for the overlaying layer of the inner hole of the underwater oil extraction forge piece comprises a plurality of functional tanks, wherein the functional tanks comprise an emulsification penetration tank 1, a rear emulsification penetration tank 2, a multifunctional cleaning washing tank 3, an emulsification tank 4 and a developing tank 5 which are sequentially and transversely arranged along the advancing direction of a workpiece, a common pedal 6 is arranged at the front side of each functional tank, a common monorail crane 7 for hoisting the workpiece is arranged above each functional tank, the tail end of a transverse rail of the monorail crane 7 is transited into a longitudinal rail through an arc-shaped bent rail, and a drying box 8 and an inspection observation chamber 9 are arranged below the arc-shaped bent rail and the longitudinal rail. The underwater oil extraction forge piece or other workpieces to be detected can be conveniently lifted by the monorail crane 7, and the workpieces are transferred among various stations such as the emulsification penetration groove 1, the back emulsification penetration groove 2, the multifunctional cleaning washing groove 3, the emulsification groove 4, the imaging groove 5, the drying box 8 and the inspection observation chamber 9, so that the labor intensity of inspection personnel is reduced, and the inspection efficiency is improved.
One side of the functional groove is provided with a central electric water heater, and a hot water pipe of the central electric water heater is connected with a hot water faucet of each functional groove, so that hot water can be conveniently used at each functional groove; the central electric water heater can also improve hot water to other stations.
And a dust collecting cover is respectively arranged above each functional groove, the outlet of each dust collecting cover is respectively connected with a dust remover through an air exhaust pipeline, the outlet of the dust remover is connected with an air exhaust device, the outlet of the air exhaust device is connected with the inlet of an oil mist purification device, and the outlet of the oil mist purification device is communicated with the atmosphere. Under the suction action of the suction and exhaust device, dust generated at each station is collected by the dust collecting cover, enters the dust remover through the suction pipeline to remove the dust, then is removed with oil mist through the oil mist purifying device, and the clean air is discharged to the atmosphere.
The outlet of each functional tank is connected with the sewage collection box body through a drain pipe respectively, the outlet of the sewage collection box body is connected with the inlet of the drainage pump, and the outlet pipeline of the drainage pump is connected with the sewage treatment device. The sewage that emulsification infiltration groove 1, back emulsification infiltration groove 2, multi-functional washing tank 3, emulsification groove 4 and display groove 5 discharged all gets into sewage treatment plant and collects, then concentrates by the drain pump and send sewage treatment plant to handle, discharges after handling up to standard again, avoids causing the pollution to the environment.
As shown in FIG. 2, the penetration detection method of the surfacing layer of the inner hole of the underwater oil extraction forge piece, provided by the invention, comprises the following steps:
s1: preparing the surface of a detected workpiece;
s2: the workpiece is lifted to an emulsification infiltration tank through a monorail crane 7, and the penetrant is applied to the surface to be detected of the detected workpiece in a soaking, spraying, brushing or flow coating mode, so that the penetrant completely covers the surface to be detected;
s3: removing redundant penetrating agents on the surface of the detected workpiece;
s4: transferring the detected workpiece into a drying box 8, and drying the surface to be detected of the detected workpiece;
s5: transferring the detected workpiece to a developing tank, and applying a developer to the surface to be detected of the detected workpiece to develop the detected workpiece;
s6: transferring the detected workpiece to an inspection observation chamber 9 through a single-rail traveling crane 7 to inspect the light intensity, judging whether surface opening discontinuous cracks exist or not, and inspecting the non-fluorescent penetrant under white light; fluorescent penetrants are tested under ultraviolet light, but are required to be tested in dark areas with visible light;
s7: analyzing the defect condition of the surfacing layer of the workpiece to finish the detection of the detected workpiece;
s8: and transferring the detected workpiece to a multifunctional cleaning and washing tank through a single-rail traveling crane 7, and removing the residual penetrant and developer on the surface of the detected workpiece.
The surface preparation in the step S1 comprises the steps of cleaning the surface to be detected and adjacent materials with the thickness of more than 25mm, and drying for more than 5 minutes by natural evaporation or by adopting forced air, wherein the cleaning comprises the cleaning of dirt, grease, paint and oxide skin, and the cleaning comprises the cleaning by a cleaning agent, an organic solvent, a rust removing solution, a paint remover or a mechanical manner; the step S1 further includes confirming that the surface temperature to be inspected of the inspected workpiece is not lower than 5 ℃ or higher than 52 ℃.
Step S3 specifically includes the following manner,
when the penetrating agent is a solvent removal type penetrating agent, wiping the surface with clean non-depilatory cloth, then slightly dipping the clean non-depilatory cloth with the solvent, and wiping the trace of the residual penetrating agent;
when the penetrant is a water-washing penetrant, firstly, spraying coarse water at a spraying angle of 45-70 degrees to remove redundant penetrant, wherein the water pressure is not more than 0.35MPa, and the water temperature is 5-45 ℃;
and when the penetrant is a fluorescent penetrant, flushing the workpiece to be detected under an ultraviolet lamp in a semi-dark area.
The drying treatment mode of the step S4 specifically comprises compressed air drying, hot air circulation drying and natural drying in air, wherein the drying time is controlled within 30 minutes, the temperature in the drying oven 8 is 20-70 ℃, and the temperature uniformity error in the drying oven is +/-5 ℃ on the basis of just drying the surface of the part to be detected.
The penetrant comprises a solvent removal penetrant, a water washing penetrant and a fluorescence penetrant, the temperature of the penetrant is 10-40 ℃, the penetration time is not less than 10 minutes, and the penetrant must be kept wet during the residence period; after the workpiece is permeated, redundant permeating liquid drops attached to the surface of the workpiece need to fall behind, a next cleaning procedure can be carried out, and the dripping time is counted into the permeating time.
In step S3, if the workpiece is a water-soluble self-emulsifying penetrating fluid, the redundant penetrating agent on the surface of the workpiece can be directly washed away by water;
if the workpiece is a post-emulsification penetrating fluid which is not easy to dissolve in water, the redundant penetrating fluid on the surface of the workpiece can be washed away by water after emulsification under the action of an emulsifier; in order to generate a uniform emulsion layer, a method of immersing the workpiece in the emulsifier is adopted, or the emulsifier is poured and applied.
The development modes of the developer application in step S5 include dry powder development, non-aqueous wet development, water-soluble development, aqueous suspension development and self-development; the dry powder development adopts an external powder spraying mode, an external powder spraying device must ensure that the development powder is dry and loose, the development powder is uniformly atomized and does not leak when the powder is sprayed, a gas blowing gun is adopted to blow off redundant development powder except the surface defects of the detected workpiece after the powder spraying is finished, and the gas blowing pressure is less than or equal to 0.17 Mpa.
The analysis method in step S7 includes visual inspection, the illumination intensity of the visual inspection is 1000lx, and the minimum angle of the inspected surface is 30 °; auxiliary tools adopted for visual detection comprise a mirror, a telescope, a magnifying glass and a remote control visual device, wherein the remote control visual device comprises a camera system, an endoscope or a fiber mirror.
The surfacing technology respectively relates to the fields of steel, metallurgy, petrifaction, equipment manufacturing, electronic information, engineering installation, nondestructive testing, communication, chemical engineering, electromechanics and the like. The penetration detection method of the surfacing layer of the inner hole of the underwater oil extraction forge piece can promote the development of the marine equipment industry in China, has very important promotion effect on the development of the mechanical equipment manufacturing industry and the metallurgy and material production in China, and has positive influence on promoting the progress of the related technology and industry, expanding social employment and having positive effect.
The C3H well is located in the southeast of the east 1-1 Gangtian, which is located in the Yingge sea area in the north bay of the south sea, 6.9km from the east 1-1D platform, and 74 m in depth. Through the basic research of the underwater Christmas tree body material, the technical research of the underwater Christmas tree anticorrosion surfacing and the optimization technical research of the underwater Christmas tree anticorrosion coating, the Christmas tree body forge piece is manufactured, and the Christmas tree anticorrosion surfacing and anticorrosion coating work is carried out, so that the penetration detection method is very important for ensuring the product quality of the offshore Christmas forge piece and solving the detection of the inner hole surfacing material.
In light of the foregoing description of the preferred embodiment of the present invention, many modifications and variations will be apparent to those skilled in the art without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (10)
1. The utility model provides a seepage detecting system of oil recovery forging hole build-up welding layer under water, includes a plurality of function grooves, its characterized in that: the utility model discloses a cleaning machine, including work piece advancing direction, function groove, back emulsification infiltration groove, multi-functional washing washtrough, emulsification groove and the video picture groove of transversely arranging in proper order, the front side in each function groove is equipped with the running-board of sharing, and the top in each function groove is equipped with the single track line of shared being used for the handling work piece and hangs, the end of the horizontal track that the single track line hung is vertical track through the curved rail transition of arc, curved rail of arc and vertical orbital below are equipped with drying cabinet and inspection observation room, and the top in each function groove is equipped with the dust respectively and collects the cover, and the export of each dust collection cover links to each other with the dust remover through the exhaust pipe respectively, and the export and the exhaust device of dust remover link to each other, and the outlet in each function groove is collected the box through drain pipe and sewage respectively and is linked to each other.
2. The system of claim 1, wherein the system comprises: the outlet of the pumping and exhausting device is connected with the inlet of the oil mist purification device, and the outlet of the oil mist purification device is communicated with the atmosphere; one side of the functional groove is provided with a central electric water heater, and a hot water pipe of the central electric water heater is connected with a hot water faucet of each functional groove; the outlet of the sewage collecting box body is connected with the inlet of the drainage pump, and the outlet pipeline of the drainage pump is connected with the sewage treatment device.
3. The penetration detection method of the surfacing layer of the inner hole of the underwater oil extraction forge piece is characterized by comprising the following steps of:
s1: preparing the surface of a detected workpiece;
s2: hoisting the workpiece to an emulsification infiltration tank by a monorail crane, and applying an osmotic agent on the surface to be detected of the detected workpiece in a soaking, spraying, brushing or flow coating mode to enable the osmotic agent to completely cover the surface to be detected;
s3: removing redundant penetrating agents on the surface of the detected workpiece;
s4: transferring the detected workpiece into a drying box, and drying the surface to be detected of the detected workpiece;
s5: transferring the detected workpiece to a developing tank, and applying a developer to the surface to be detected of the detected workpiece to develop the detected workpiece;
s6: transferring the detected workpiece to an inspection observation room by a single-rail crane to inspect the light intensity, judging whether surface-opening discontinuous cracks exist or not, and inspecting the non-fluorescent penetrant under white light; fluorescent penetrants are tested under ultraviolet light, but are required to be tested in dark areas with visible light;
s7: analyzing the defect condition of the surfacing layer of the workpiece to finish the detection of the detected workpiece;
s8: and transferring the detected workpiece to a multifunctional cleaning and washing tank through a single-rail traveling crane, and removing the residual penetrant and developer on the surface of the detected workpiece.
4. The method for detecting the penetration of the weld overlay in the inner hole of the underwater oil extraction forge piece according to claim 3, wherein the method comprises the following steps: the surface preparation in the step S1 comprises the steps of cleaning the surface to be detected and adjacent materials with the thickness of more than 25mm, and drying for more than 5 minutes by natural evaporation or by adopting forced air, wherein the cleaning comprises the steps of cleaning dirt, grease, paint and oxide skin, and the cleaning comprises the steps of washing by a cleaning agent, an organic solvent, a rust removing solution, a paint remover or a mechanical mode; the step S1 further includes confirming that the surface temperature to be inspected of the inspected workpiece is not lower than 5 ℃ or higher than 52 ℃.
5. The method for detecting the penetration of the weld overlay in the inner hole of the underwater oil extraction forge piece according to claim 3, wherein the method comprises the following steps: step S3 specifically includes the following manner,
when the penetrating agent is a solvent removal type penetrating agent, wiping the surface with clean non-depilatory cloth, then slightly dipping the clean non-depilatory cloth with the solvent, and wiping the trace of the residual penetrating agent;
when the penetrant is a water-washing penetrant, firstly, spraying coarse water at a spraying angle of 45-70 degrees to remove redundant penetrant, wherein the water pressure is not more than 0.35MPa, and the water temperature is 5-45 ℃;
and when the penetrating agent is a fluorescent penetrating agent, flushing the workpiece to be detected under an ultraviolet lamp in a semi-dark area.
6. The method for detecting the penetration of the weld overlay in the inner hole of the underwater oil extraction forge piece according to claim 3, wherein the method comprises the following steps: the drying treatment mode of the step S4 specifically comprises compressed air drying, hot air circulation drying and natural drying in air, wherein the drying time is controlled within 30 minutes, the surface of the detected part is just dried, the temperature in the drying oven is 20-70 ℃, and the temperature uniformity error in the drying oven is +/-5 ℃.
7. The method for detecting the penetration of the weld overlay in the inner hole of the underwater oil extraction forge piece according to claim 3, wherein the method comprises the following steps: the penetrant comprises a solvent removal penetrant, a water washing penetrant and a fluorescence penetrant, the temperature of the penetrant is 10-40 ℃, the penetration time is not less than 10 minutes, and the penetrant must be kept wet during the residence period; after the workpiece is permeated, redundant permeating liquid drops attached to the surface of the workpiece need to fall behind, a next cleaning procedure can be carried out, and the dripping time is counted into the permeating time.
8. The method for detecting the penetration of the weld overlay in the inner hole of the underwater oil extraction forge piece according to claim 3, wherein the method comprises the following steps: in step S3, if the workpiece is a water-soluble self-emulsifying penetrating fluid, the redundant penetrating agent on the surface of the workpiece can be directly washed away by water;
if the workpiece is a post-emulsification penetrating fluid which is not easy to dissolve in water, the redundant penetrating fluid on the surface of the workpiece can be washed away by water after emulsification under the action of an emulsifier; in order to generate a uniform emulsion layer, a method of immersing the workpiece in the emulsifier is adopted, or the emulsifier is poured and applied.
9. The method for detecting the penetration of the weld overlay in the inner hole of the underwater oil extraction forge piece according to claim 3, wherein the method comprises the following steps: the development modes of the developer application in step S5 include dry powder development, non-aqueous wet development, water-soluble development, aqueous suspension development and self-development; the dry powder development adopts an outward feeding powder spraying mode, an outward feeding powder spraying device needs to ensure that the development powder is dry and loose, the development powder is uniformly atomized and does not leak when the powder is sprayed, a gas blowing gun is adopted to blow off redundant development powder except the surface defects of the detected workpiece after the powder spraying is finished, and the gas blowing pressure is less than or equal to 0.17 Mpa.
10. The method for detecting the penetration of the weld overlay in the inner hole of the underwater oil extraction forge piece according to claim 3, wherein the method comprises the following steps: the analysis method described in step S7 includes visual inspection, the illumination intensity of the visual inspection is 1000lx, and the minimum angle of the inspected surface is 30 °; the auxiliary tools adopted by the visual detection comprise a mirror, a telescope, a magnifying glass and a remote control visual device, wherein the remote control visual device comprises a camera system, an endoscope or a fiber mirror.
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Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070267601A1 (en) * | 2006-05-17 | 2007-11-22 | Sherwin, Inc. | Fluorescent and visible penetrant inspection |
| CN102466644A (en) * | 2010-11-19 | 2012-05-23 | 江苏瑞特回转支承有限公司 | Penetrant testing method of opening defect on surface of workpiece |
| US20130187061A1 (en) * | 2012-01-19 | 2013-07-25 | Mtu Aero Engines Gmbh | Method for nondestructive testing of workpiece surfaces |
| CN103308528A (en) * | 2012-03-16 | 2013-09-18 | 苏州春兴精工股份有限公司 | Aerial fluorescent penetration detection method |
| US20150297531A1 (en) * | 2012-01-19 | 2015-10-22 | The Johns Hopkins University | Nanoparticle formulations with enhanced mucosal penetration |
| CN204807453U (en) * | 2015-06-15 | 2015-11-25 | 珠海保税区摩天宇航空发动机维修有限公司 | Aeroengine hub bucket class work piece fluorescent penetration test equipment |
| CN105758866A (en) * | 2014-12-15 | 2016-07-13 | 重庆迅升机车配件有限公司 | Penetration flaw detection process |
| US20170334009A1 (en) * | 2014-11-07 | 2017-11-23 | Vermeer Manufacturing Company | Carbide-based hardfacing |
| US20170356849A1 (en) * | 2016-06-14 | 2017-12-14 | Rolls-Royce Corporation | Nondestructive inspection of composite materials |
| CN207528647U (en) * | 2017-12-01 | 2018-06-22 | 江苏德意高航空智能装备股份有限公司 | A kind of fluorescent penetrant detection line system |
| CN108406223A (en) * | 2018-04-25 | 2018-08-17 | 成都瑞合科技有限公司 | A kind of welding repair method and device of thin wall component |
| CN109211864A (en) * | 2018-11-01 | 2019-01-15 | 中国航发南方工业有限公司 | Fluorescent penetrant detecting method and detection fixture |
| CN111929256A (en) * | 2020-08-12 | 2020-11-13 | 南京迪威尔高端制造股份有限公司 | Method for detecting inner wall cracks of forged piece after cross-shaped inner hole overlaying welding and judging reasons |
-
2021
- 2021-12-03 CN CN202111469345.8A patent/CN114324380A/en active Pending
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070267601A1 (en) * | 2006-05-17 | 2007-11-22 | Sherwin, Inc. | Fluorescent and visible penetrant inspection |
| CN102466644A (en) * | 2010-11-19 | 2012-05-23 | 江苏瑞特回转支承有限公司 | Penetrant testing method of opening defect on surface of workpiece |
| US20130187061A1 (en) * | 2012-01-19 | 2013-07-25 | Mtu Aero Engines Gmbh | Method for nondestructive testing of workpiece surfaces |
| US20150297531A1 (en) * | 2012-01-19 | 2015-10-22 | The Johns Hopkins University | Nanoparticle formulations with enhanced mucosal penetration |
| CN103308528A (en) * | 2012-03-16 | 2013-09-18 | 苏州春兴精工股份有限公司 | Aerial fluorescent penetration detection method |
| US20170334009A1 (en) * | 2014-11-07 | 2017-11-23 | Vermeer Manufacturing Company | Carbide-based hardfacing |
| CN105758866A (en) * | 2014-12-15 | 2016-07-13 | 重庆迅升机车配件有限公司 | Penetration flaw detection process |
| CN204807453U (en) * | 2015-06-15 | 2015-11-25 | 珠海保税区摩天宇航空发动机维修有限公司 | Aeroengine hub bucket class work piece fluorescent penetration test equipment |
| US20170356849A1 (en) * | 2016-06-14 | 2017-12-14 | Rolls-Royce Corporation | Nondestructive inspection of composite materials |
| CN207528647U (en) * | 2017-12-01 | 2018-06-22 | 江苏德意高航空智能装备股份有限公司 | A kind of fluorescent penetrant detection line system |
| CN108406223A (en) * | 2018-04-25 | 2018-08-17 | 成都瑞合科技有限公司 | A kind of welding repair method and device of thin wall component |
| CN109211864A (en) * | 2018-11-01 | 2019-01-15 | 中国航发南方工业有限公司 | Fluorescent penetrant detecting method and detection fixture |
| CN111929256A (en) * | 2020-08-12 | 2020-11-13 | 南京迪威尔高端制造股份有限公司 | Method for detecting inner wall cracks of forged piece after cross-shaped inner hole overlaying welding and judging reasons |
Non-Patent Citations (1)
| Title |
|---|
| 沈玉娣 编: "《现代无损检测技术》", 31 July 2012, 西安：西安交通大学出版社, pages: 146 - 154 * |
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