CN114012581A - Pressure vessel corrosion resistance check out test set - Google Patents

Pressure vessel corrosion resistance check out test set Download PDF

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Publication number
CN114012581A
CN114012581A CN202210013714.0A CN202210013714A CN114012581A CN 114012581 A CN114012581 A CN 114012581A CN 202210013714 A CN202210013714 A CN 202210013714A CN 114012581 A CN114012581 A CN 114012581A
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cavity
detection
fixedly arranged
ring
sliding
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CN114012581B (en
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钱文林
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Nantong Yineng Anticorrosion Technology Engineering Co ltd
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Nantong Yineng Anticorrosion Technology Engineering Co ltd
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Publication of CN114012581A publication Critical patent/CN114012581A/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B27/00—Other grinding machines or devices
    • B24B27/033—Other grinding machines or devices for grinding a surface for cleaning purposes, e.g. for descaling or for grinding off flaws in the surface
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B49/00—Measuring or gauging equipment for controlling the feed movement of the grinding tool or work; Arrangements of indicating or measuring equipment, e.g. for indicating the start of the grinding operation
    • B24B49/003—Measuring or gauging equipment for controlling the feed movement of the grinding tool or work; Arrangements of indicating or measuring equipment, e.g. for indicating the start of the grinding operation involving acoustic means
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D3/00—Electroplating: Baths therefor
    • C25D3/02—Electroplating: Baths therefor from solutions
    • C25D3/04—Electroplating: Baths therefor from solutions of chromium
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D7/00—Electroplating characterised by the article coated
    • C25D7/04—Tubes; Rings; Hollow bodies
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M3/00—Investigating fluid-tightness of structures
    • G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
    • G01M3/26—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors
    • G01M3/32—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for containers, e.g. radiators
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
    • G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
    • G01N29/04—Analysing solids

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  • Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Pathology (AREA)
  • Acoustics & Sound (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
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  • Health & Medical Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Testing Resistance To Weather, Investigating Materials By Mechanical Methods (AREA)

Abstract

The invention discloses a pressure vessel corrosion resistance detection device, which comprises a detection box, wherein a detection cavity is arranged in the detection box, a pressure vessel is rotatably arranged in the detection cavity and is used as a detected workpiece, the pressure vessel comprises a main shell, a detachable auxiliary shell is fixedly arranged on the bottom surface of the main shell, a dye ring is arranged in the detection cavity in a sliding manner, first nozzles which are arranged at equal intervals are arranged on the inner circumferential surface of the dye ring, a weighing cavity is arranged on the bottom wall of the detection cavity, two bilaterally symmetrical springs are fixedly arranged on the bottom wall of the weighing cavity, a weighing plate which extends upwards is arranged in the weighing cavity in a sliding manner, a smooth cavity is arranged on the bottom wall of the weighing cavity, an inner measuring disc is arranged in the smooth cavity in a sliding manner, and a spraying cavity is arranged on the top surface of the inner measuring disc, the invention can detect the corrosion resistance of the inner surface and the outer surface of the pressure vessel, and cannot cause the damage to the pressure vessel, and a metal chromium film can be plated on the metal surface of the pressure vessel after the corrosion resistance detection is finished, thereby playing the role of metal film anticorrosion protection.

Description

Pressure vessel corrosion resistance check out test set
Technical Field
The invention relates to the technical field of anticorrosion detection, in particular to a pressure container anticorrosion performance detection device.
Background
The pressure vessel refers to a closed device which contains gas or liquid and bears a certain pressure, and the pressure vessel usually has extremely high requirements on gas tightness and corrosion resistance, especially for pressure vessels containing corrosive liquid and toxic liquid.
However, in the conventional inspection operation, after the ultrasonic inspection apparatus determines the positions of the cracks and the impurities, the impurities on the outer surface of the pressure vessel are removed by the processing of the worker, which is not only troublesome but also efficient.
And traditional anticorrosive detection device directly takes out pressure vessel from the detection case after carrying out anticorrosive detection, leads to external environment probably to cause further corruption to the unqualified pressure vessel that detects, and the interior outer surface detection to pressure vessel needs two different detection device to detect usually moreover, and the operation is complicated, and detection efficiency is not high.
Disclosure of Invention
The invention aims to provide a pressure vessel corrosion resistance detection device which is used for overcoming the defects in the prior art.
The pressure container corrosion resistance detection equipment comprises a detection box, wherein a detection cavity is formed in the detection box, a pressure container is rotatably arranged in the detection cavity and serves as a detected workpiece, the pressure container comprises a main shell, and a detachable auxiliary shell is fixedly arranged on the bottom surface of the main shell.
The detecting cavity is provided with a dye ring in a sliding manner, first nozzles arranged at equal intervals are arranged on the inner circumferential surface of the dye ring, the first nozzles are used for spraying dye on the outer surface of the pressure container, a connecting pipe extending leftwards is fixedly arranged on the left wall of the detecting cavity, a liquid storage tank is fixedly arranged on the left side surface of the detecting tank, chromium solution is arranged in the liquid storage tank and used for plating a chromium film on the pressure container, the connecting pipe penetrates through the right side surface of the liquid storage tank from left to right, and the chromium solution passes through the connecting pipe and can flow into the detecting cavity.
The weighing device is characterized in that a weighing cavity is formed in the bottom wall of the detection cavity, two bilateral-symmetry springs are fixedly arranged on the bottom wall of the weighing cavity, a weighing plate extending upwards is arranged in the weighing cavity in a sliding mode, the top surface of the weighing plate is abutted to the bottom surface of the auxiliary shell, the weighing plate is used for weighing the weight of the pressure container, a smooth cavity is formed in the bottom wall of the weighing cavity, an inner measuring disc is arranged in the smooth cavity in a sliding mode, a spraying cavity is formed in the top surface of the inner measuring disc, a spraying ball is fixedly arranged on the bottom wall of the spraying cavity, four second nozzles in rotational symmetry are fixedly arranged on the top surface of the spraying ball, and the four second nozzles are used for spraying dye on the inner surface of the main shell.
The inner measuring disc is characterized in that a first sound wave ring is arranged in the measuring cavity in a sliding mode and can transmit ultrasonic waves to the outer surface of the pressure container, so that cracks and crack depths of the outer surface of the pressure container can be measured, a second sound wave ring is fixedly arranged on the outer periphery of the inner measuring disc and can transmit ultrasonic waves to the inner surface of the main shell, and therefore cracks and depths of the inner surface of the main shell can be measured.
The pressure container is characterized in that a second sliding cavity is formed in the front wall of the detection cavity, a second sliding block is arranged in the second sliding cavity in a sliding mode, a push rod cavity is formed in the rear side face of the second sliding block, a push rod extending backwards is arranged in the push rod cavity in a sliding mode, a polishing plate is fixedly arranged at the rear end of the push rod, and the polishing plate is used for polishing the outer surface of the pressure container.
Beneficially, a valve shaft is rotatably arranged in the connecting pipe, a rotating motor is fixedly arranged in the top surface of the connecting pipe and is in power connection with the valve shaft, a valve is fixedly arranged on the periphery of the valve shaft, a valve cavity is formed in the valve, the valve cavity penetrates through the valve from front to back, and the valve can prevent the chromium solution from flowing into the detection cavity.
Beneficially, a first sliding cavity is formed in the rear wall of the detection cavity, a first screw rod is rotatably arranged on the bottom wall of the first sliding cavity, a first sliding block is connected to the periphery of the first screw rod in a threaded mode, the first sliding block can slide up and down through the first sliding cavity, the rear side face of the first sound wave ring is fixed to the front side face of the first sliding block, the first sound wave ring can slide up and down along with the first sliding block, a first motor is fixedly arranged in the bottom wall of the first sliding cavity, and the first motor is in power connection with the bottom end of the first screw rod.
Beneficially, the bottom surface of the inner measuring disc is internally and fixedly provided with two second motors which are bilaterally symmetrical, the bottom surfaces of the two second motors are respectively and dynamically connected with a second screw rod, the two second screw rods vertically penetrate through the bottom wall of the smooth cavity, the peripheral surfaces of the two second screw rods are respectively in threaded connection with the bottom surface of the detection box, and the inner measuring disc can upwards slide into the detection cavity through the two second screw rods.
Beneficially, fixed plate that can dismantle is fixed being equipped with on detecting the chamber roof, the fixed plate bottom surface is last to be fixed to be equipped with the breather pipe, the breather pipe runs through from top to bottom the fixed plate, the fixed pneumatic pump that is equipped with in breather pipe top, through the pneumatic pump with the breather pipe can change detect the atmospheric pressure size in the chamber, the fixed plate bottom surface is last to be fixed to be equipped with the conducting rod, the conducting rod bottom surface with main shell top surface butt, the fixed plate internal fixation is equipped with the positive pole power, the positive pole power with the conducting rod electricity is connected, through the conducting rod can be with the electric current leading-in on the pressure vessel, thereby make the pressure vessel takes the positive pole electric current.
Advantageously, a chromium ring is fixedly arranged on the bottom wall of the detection chamber and used for keeping the concentration of chromium ions contained in the chromium solution constant, and a cathode power supply is fixedly arranged in the bottom wall of the detection chamber and electrically connected with the chromium ring.
Beneficially, the dye ring rotates in the dye ring and is provided with two eudipleural dye ring shafts, the two dye ring shafts are fixedly provided with dye ring gears on the peripheries, the left wall and the right wall of the detection cavity are respectively meshed with the dye ring gears on the same side, the dye ring can slide up and down in the detection cavity through the two dye ring gears, the dye ring is fixedly provided with two eudipleural third motors in the dye ring, and the two third motors are respectively in power connection with the dye ring shafts on the same side.
Beneficially, a heating plate is fixedly arranged in the left wall of the detection cavity, the heating plate can heat up and generate heat, so that the temperature in the detection cavity rises, liquid on the pressure container is dried, a drain pipe is fixedly arranged on the left side face of the detection box and used for draining the liquid in the detection cavity, a heating power supply is fixedly arranged in the left wall of the detection cavity and electrically connected with the heating plate.
Beneficially, a push rod shaft is arranged in the top wall of the push rod cavity in a rotating mode, a push rod gear is fixedly arranged on the periphery of the push rod shaft and meshed with the bottom surface of the push rod, the push rod can slide left and right in the push rod cavity through the push rod gear, a fourth motor is fixedly arranged in the top wall of the push rod cavity, and the fourth motor is in power connection with the push rod shaft.
Beneficially, a sliding shaft is rotatably arranged in the bottom surface of the second sliding block, a sliding gear is fixedly arranged on the periphery of the sliding shaft, the sliding gear is meshed with the left wall of the second sliding cavity, the second sliding block can slide up and down in the second sliding cavity through the sliding gear, and a fifth motor is fixedly arranged in the bottom surface of the second sliding block and is in power connection with the sliding shaft.
Beneficially, the dye ring top surface is rotatably provided with a swing shaft, a swing rod is fixedly arranged on the periphery of the swing shaft, a roller is rotatably arranged at the bottom end of the swing rod, the front side face of the roller can be abutted to the rear side face of the main shell, so that the main shell can rotate, a swing motor is fixedly arranged in the dye ring bottom surface and is in power connection with the swing shaft, and a roller motor is fixedly arranged in the swing rod bottom end and is in power connection with the roller.
The invention has the beneficial effects that: the pressure container corrosion resistance detection equipment can be used for detecting the corrosion resistance of the inner surface and the outer surface of a pressure container, and cannot cause damage to the pressure container, and the metal chromium film can be plated on the metal surface of the pressure container after the corrosion resistance detection is finished, so that the metal film corrosion resistance protection effect is achieved.
Drawings
Fig. 1 is an appearance schematic diagram of a pressure vessel corrosion protection performance detection device of the present invention.
Fig. 2 is a schematic cross-sectional view of a pressure vessel corrosion protection performance testing apparatus according to the present invention.
Fig. 3 is a schematic right-view cross-sectional view of a pressure vessel corrosion protection performance testing apparatus according to the present invention.
FIG. 4 is an enlarged view of the second slider of FIG. 3 according to the present invention.
Fig. 5 is an enlarged partial schematic view of the invention at a in fig. 2.
Fig. 6 is a partially enlarged schematic view of the invention at B in fig. 2.
Fig. 7 is an enlarged partial schematic view at C of fig. 3 of the present invention.
In the figure:
10. a detection box; 11. a detection chamber; 12. heating plates; 13. a drain pipe; 14. a connecting pipe; 15. a valve shaft; 16. a chromium solution; 17. a valve cavity; 18. a liquid storage tank; 19. a valve; 20. a dye ring; 21. a first nozzle; 22. dyeing a ring shaft; 23. ring dyeing gear; 24. a fixing plate; 25. a main housing; 26. a sub-housing; 27. a first acoustic wave ring; 28. a chromium ring; 29. a weighing plate; 30. a spring; 31. a smooth cavity; 34. an ejection chamber; 32. a second acoustic ring; 33. a second motor; 35. spraying a ball; 36. a second nozzle; 37. a second screw; 38. a conductive rod; 39. a pneumatic pump; 40. a breather pipe; 41. a first screw; 42. a first slider; 43. a first sliding chamber; 44. a swing shaft; 45. a swing lever; 46. a roller; 47. a second sliding chamber; 48. a second slider; 49. grinding the plate; 50. a push rod shaft; 51. a push rod gear; 52. a push rod; 53. a sliding shaft; 54. a sliding gear; 55. a weighing chamber; 56. an inner measuring disc; 57. a push rod cavity; 58. a pressure vessel.
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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 to 7, the pressure vessel corrosion protection performance detection apparatus according to the embodiment of the present invention includes a detection box 10, a detection chamber 11 is formed in the detection box 10, a pressure vessel 58 is rotatably disposed in the detection chamber 11, the pressure vessel 58 is used as a workpiece to be detected, the pressure vessel 58 includes a main casing 25, and a detachable sub-casing 26 is fixedly mounted on a bottom surface of the main casing 25.
It is equipped with dye ring 20 to slide in detecting chamber 11, dye ring 20 sets up the first nozzle 21 that the equidistance was arranged on the inner peripheral surface, first nozzle 21 is used for giving pressure vessel 58 surface sprays the dyestuff, it is equipped with the connecting pipe 14 that extends left to detect fixed being equipped with on the chamber 11 left wall, the fixed liquid reserve tank 18 that is equipped with on the detection case 10 left surface, be equipped with chromium solution 16 in the liquid reserve tank 18, chromium solution 16 is used for giving pressure vessel 58 plates the chrome film, run through about connecting pipe 14 the liquid reserve tank 18 right flank, chromium solution 16 passes through connecting pipe 14 can flow in detect in the chamber 11.
The bottom wall of the detection cavity 11 is provided with a weighing cavity 55, the bottom wall of the weighing cavity 55 is fixedly provided with two bilateral-symmetric springs 30, the weighing cavity 55 is internally provided with an upwardly extending weighing plate 29 in a sliding manner, the top surface of the weighing plate 29 is abutted to the bottom surface of the auxiliary shell 26, the weighing plate 29 is used for weighing the weight of the pressure container 58, the bottom wall of the weighing cavity 55 is provided with a smooth cavity 31, the smooth cavity 31 is internally provided with an inner measuring disc 56 in a sliding manner, the top surface of the inner measuring disc 56 is provided with an injection cavity 34, the bottom wall of the injection cavity 34 is fixedly provided with an injection ball 35, the top surface of the injection ball 35 is fixedly provided with four rotationally-symmetric second nozzles 36, and the four second nozzles 36 are used for injecting dye to the inner surface of the main shell 25.
A first acoustic ring 27 is slidably disposed in the detection cavity 11, the first acoustic ring 27 can emit ultrasonic waves to the outer surface of the pressure vessel 58 to detect cracks and crack depths on the outer surface of the pressure vessel 58, a second acoustic ring 32 is fixedly disposed on the outer periphery of the inner dial 56, and the second acoustic ring 32 can emit ultrasonic waves to the inner surface of the main casing 25 to detect cracks and depths on the inner surface of the main casing 25.
The second sliding cavity 47 has been seted up on the detection chamber 11 antetheca, it is equipped with the second sliding block 48 to slide in the second sliding cavity 47, push rod chamber 57 has been seted up on the second sliding block 48 trailing flank, it is equipped with the push rod 52 of backward extension to slide in the push rod chamber 57, the push rod 52 rear end is fixed to be equipped with the board 49 of polishing, the board 49 of polishing is used for polishing the pressure vessel 58 surface.
Preferably, a valve shaft 15 is rotatably arranged in the connecting pipe 14, a rotating motor is fixedly arranged in the top surface of the connecting pipe 14, the rotating motor is in power connection with the valve shaft 15, a valve 19 is fixedly arranged on the periphery of the valve shaft 15, a valve cavity 17 is formed in the valve 19, the valve cavity 17 penetrates through the valve 19 from front to back, and the valve 19 can prevent the chromium solution 16 from flowing into the detection cavity 11 and is started to rotate the rotating motor, so that the valve shaft 15 rotates.
Preferably, a first sliding cavity 43 has been seted up on the detection chamber 11 back wall, it is equipped with first screw rod 41 to rotate on the first sliding cavity 43 diapire, threaded connection has first sliding block 42 on the first screw rod 41 periphery, first sliding block 42 passes through first sliding cavity 43 can slide from top to bottom, first acoustic wave ring 27 trailing flank with first sliding block 42 leading flank is fixed, first acoustic wave ring 27 can follow first sliding block 42 slides from top to bottom, first sliding cavity 43 diapire internal fixation is equipped with first motor, first motor with first screw rod 41 bottom power is connected, opens first motor makes first screw rod 41 rotates.
Preferably, interior survey 56 bottom surface internal fixation of dish is equipped with two bilateral symmetry's second motor 33, two equal power connection has second screw rod 37 on the second motor 33 bottom surface, two second screw rod 37 all runs through from top to bottom smooth chamber 31 diapire, and two second screw rod 37 outer peripheral face all with detection case 10 bottom surface threaded connection, interior survey 56 dish is through two second screw rod 37 can upwards slide into in the detection chamber 11, open two second motor 33 makes its homonymy respectively second screw rod 37 rotates.
Preferably, a detachable fixing plate 24 is fixedly installed on the top wall of the detection chamber 11, a vent pipe 40 is fixedly installed on the bottom surface of the fixing plate 24, the vent pipe 40 penetrates the fixing plate 24 from top to bottom, a pneumatic pump 39 is fixedly installed at the top end of the vent pipe 40, the air pressure in the detection chamber 11 can be changed through the pneumatic pump 39 and the vent pipe 40, a conductive rod 38 is fixedly installed on the bottom surface of the fixing plate 24, the bottom surface of the conductive rod 38 is abutted against the top surface of the main casing 25, an anode power supply is fixedly installed in the fixing plate 24 and electrically connected with the conductive rod 38, current can be conducted into the pressure container 58 through the conductive rod 38, so that the pressure container 58 is provided with anode current, the pneumatic pump 39 is started, air flows into the detection chamber 11 through the vent pipe 40, and the air pressure in the detection chamber 11 is increased, the anode power is turned on to start the electrical conduction of the conductive rod 38.
Preferably, a chromium ring 28 is fixedly arranged on the bottom wall of the detection chamber 11, the chromium ring 28 is used for keeping the concentration of chromium ions contained in the chromium solution 16 unchanged, a cathode power supply is fixedly arranged in the bottom wall of the detection chamber 11, the cathode power supply is electrically connected with the chromium ring 28, and the cathode power supply is turned on to enable the chromium ring 28 to carry a cathode current.
Preferably, the dye ring 20 is provided with two eudipleural dye ring shafts 22 in a rotating manner, the two dye ring shafts 22 are fixedly provided with dye ring gears 23 on the peripheries, the left wall and the right wall of the detection cavity 11 are respectively meshed with the dye ring gears 23 on the same side, the dye ring 20 can slide up and down in the detection cavity 11 through the two dye ring gears 23, the dye ring 20 is provided with two eudipleural third motors in an internal fixation manner, the two third motors are respectively in power connection with the dye ring shafts 22 on the same side, and the third motors are started to enable the dye ring gears 23 to rotate.
Preferably, it is equipped with hot plate 12 to detect 11 left walls internal fixation in chamber, hot plate 12 can heat up and generate heat, thereby makes the temperature rise in the detection chamber 11, the stoving liquid on the pressure vessel 58, the fixed drain pipe 13 that is equipped with on the detection case 10 left surface, drain pipe 13 is used for discharging detect the liquid in the chamber 11, it is equipped with heating power supply to detect 11 left walls internal fixation in chamber, heating power supply with hot plate 12 electricity is connected, opens heating power supply makes hot plate 12 heats up and generates heat.
Preferably, push rod cavity 57 roof internal rotation is equipped with push rod shaft 50, the fixed push rod gear 51 that is equipped with in the push rod shaft 50 periphery, push rod gear 51 with the meshing of push rod 52 bottom surface, push rod 52 passes through push rod gear 51 can the horizontal slip in push rod cavity 57, push rod cavity 57 roof internal fixation is equipped with the fourth motor, the fourth motor with push rod shaft 50 power is connected, opens the fourth motor, makes push rod gear 51 rotates.
Preferably, a sliding shaft 53 is rotatably arranged on the bottom surface of the second sliding block 48, a sliding gear 54 is fixedly arranged on the periphery of the sliding shaft 53, the sliding gear 54 is engaged with the left wall of the second sliding cavity 47, the second sliding block 48 can slide up and down in the second sliding cavity 47 through the sliding gear 54, a fifth motor is fixedly arranged in the bottom surface of the second sliding block 48, and the fifth motor is in power connection with the sliding shaft 53 and is started to rotate the sliding gear 54.
Preferably, the rotation of dye ring 20 top surface is equipped with oscillating axle 44, the fixed swinging arms 45 that is equipped with in the oscillating axle 44 periphery, it is equipped with gyro wheel 46 to rotate on the swinging arms 45 bottom, gyro wheel 46 leading flank can with main shell 25 trailing flank butt makes main shell 25 can take place to rotate, dye ring 20 bottom surface internal fixation is equipped with swing motor, swing motor with oscillating axle 44 power is connected, oscillating arm 45 bottom internal fixation is equipped with the gyro wheel motor, the gyro wheel motor with gyro wheel 46 power is connected, opens swing motor makes oscillating axle 44 rotates, opens the gyro wheel motor makes gyro wheel 46 rotates.
The invention relates to a pressure vessel corrosion resistance detection device, which comprises the following working procedures:
and (3) detecting the corrosion resistance of the outer surface: turning on the third motor, the dye ring gear 23 is rotated, so that the dye ring 20 slides downward in the detection chamber 11, and at the same time, the first nozzle 21 starts to spray red dye, so that the red dye is sprayed on the entire outer surface of the pressure vessel 58.
Then, the heating power supply is turned on, so that the heating plate 12 is heated, the temperature in the detection chamber 11 is increased until the red dye on the outer surface of the pressure container 58 is dried, and the color of the outer surface of the pressure container 58 can be changed into red.
Then, the rotation motor is turned on to rotate the valve shaft 15, so that the valve 19 follows the valve shaft 15 to rotate until the valve shaft 15 rotates ninety degrees, so that the chromium solution 16 flows into the detection chamber 11 through the connection pipe 14 and the valve chamber 17, and simultaneously, the pneumatic pump 39 is turned on, so that the air in the detection chamber 11 is pumped out through the vent pipe 40 and the pneumatic pump 39, so that the air pressure in the detection chamber 11 is reduced until the chromium solution 16 submerges the whole pressure container 58, and then, the rotation motor is turned on again to rotate the valve shaft 15 ninety degrees again.
Then, the anode power supply and the cathode power supply are simultaneously started, the pressure container 58 is electrified with anode current, the chromium ring 28 is electrified with cathode current, and the metal surface of the pressure container 58 can be plated with a chromium film through the chromium solution 16.
And comparing the color of the chromium film with the color of the dye to detect the corrosion resistance of the outer surface of the pressure container 58, wherein if the outer surface of the pressure container 58 is plated with the chromium film, the surface of the position plated with the chromium film is not coated with a non-metallic corrosion-resistant layer, and if the outer surface of the pressure container 58 is not plated with the chromium film, the corrosion resistance of the pressure container 58 is qualified.
And (3) air tightness detection: firstly measuring the air pressure in the detection cavity 11, then starting the air pressure pump 39 to make air flow into the detection cavity 11 through the air pipe 40, thereby increasing the air pressure in the detection cavity 11 until the air pressure reaches a required detection value, then waiting for five minutes for pressure stabilization, measuring the air pressure in the detection cavity 11, and if the air pressure in the detection cavity 11 does not occur, indicating that the air tightness of the pressure container 58 is good.
And (3) detecting the corrosion resistance of the inner surface: the sub-housing 26 is removed from the bottom surface of the main housing 25, the sub-housing 26 is removed from the detection chamber 11, then the second motor 33 is simultaneously turned on, the second screw 37 is rotated, the inner disc 56 is slid upward until the inner disc 56 slides into the main housing 25, and then the second nozzle 36 is started to spray yellow dye, so that the yellow dye is sprayed on the entire inner surface of the main housing 25.
Then, the heating power supply is turned on, so that the heating plate 12 is heated to generate heat, and the yellow dye is dried, so that the color of the inner surface of the main shell 25 is changed into yellow.
Then, the rotation motor is turned on to rotate the valve shaft 15, so that the valve 19 rotates along with the valve shaft 15 until the valve shaft 15 rotates ninety degrees, so that the chromium solution 16 flows into the detection chamber 11 through the connection pipe 14 and the valve chamber 17, and simultaneously, the pneumatic pump 39 is turned on, so that the air in the detection chamber 11 is pumped out through the vent pipe 40 and the pneumatic pump 39, so that the air pressure in the detection chamber 11 is reduced until the chromium solution 16 submerges the whole main housing 25, and then, the rotation motor is turned on again to rotate the valve shaft 15 ninety degrees again.
Then, the anode power supply and the cathode power supply are simultaneously turned on, so that the main shell 25 is charged with anode current, the chromium ring 28 is charged with cathode current, and the metal surface of the main shell 25 can be plated with a chromium film through the chromium solution 16.
And comparing the color of the chromium film with the color of the dye to detect the corrosion resistance of the inner surface of the main shell 25, wherein if the inner surface of the main shell 25 is plated with the chromium film, the situation that the surface of the position plated with the chromium film is not coated with a non-metallic corrosion-resistant layer is indicated, and if the outer surface of the main shell 25 is not plated with the chromium film, the situation that the corrosion resistance of the main shell 25 is qualified is indicated.
Ultrasonic detection: turning on the first motor to rotate the first screw rod 41, so as to slide the first sliding block 42 upwards, so as to slide the first acoustic ring 27 upwards along with the first sliding block 42, and then starting the transmission of the ultrasonic waves to the outer surface of the pressure container 58 by the first acoustic ring 27, wherein the cracks and impurities existing on the outer surface of the pressure container 58 can be measured by the first acoustic ring 27 according to the time interval between the transmission and the reception of the ultrasonic waves.
If the time interval is less than the predetermined time interval, it is indicated that impurities are adhered to the outer surface of the pressure vessel 58, and if the time interval is greater than the predetermined time interval, it is indicated that cracks exist on the outer surface of the pressure vessel 58, and the size of the impurities and the depth of the cracks can be measured according to the length of time.
Impurity polishing: turning on the swing motor to rotate the swing shaft 44, so that the swing lever 45 rotates along with the swing shaft 44, so that the roller 46 rotates along with the swing lever 45 until the front side of the roller 46 abuts against the rear side of the main casing 25, and then turning on the roller motor to rotate the roller 46, so that the pressure container 58 rotates.
Then, the fifth motor is turned on to rotate the sliding gear 54, so that the second sliding block 48 slides up and down, so that the push rod 52 and the polishing plate 49 slide up and down along the second sliding block 48 until the polishing plate 49 and the impurities on the outer surface of the pressure container 58 are on the same horizontal line, then the fourth motor is turned on to rotate the push rod gear 51, so that the push rod 52 slides backward, so that the push rod 52 pushes the polishing plate 49 to slide backward until the rear side of the polishing plate 49 abuts against the front side of the pressure container 58, so that the outer surface of the pressure container 58 can be polished by the polishing plate 49, and the impurities on the outer surface of the pressure container 58 can be removed.
It will be apparent to those skilled in the art that various modifications may be made to the above embodiments without departing from the general spirit and concept of the invention. All falling within the scope of protection of the present invention. The protection scheme of the invention is subject to the appended claims.

Claims (5)

1. The utility model provides a pressure vessel corrosion protection performance check out test set, includes detection case (10), its characterized in that: a detection cavity (11) is formed in the detection box (10), a pressure container (58) is rotationally arranged in the detection cavity (11), the pressure container (58) comprises a main shell (25), a detachable auxiliary shell (26) is fixedly arranged on the bottom surface of the main shell (25), a dye ring (20) is arranged in the detection cavity (11) in a sliding manner, first nozzles (21) which are arranged at equal intervals are formed in the inner circumferential surface of the dye ring (20), a connecting pipe (14) extending leftwards is fixedly arranged on the left wall of the detection cavity (11), a liquid storage box (18) is fixedly arranged on the left side surface of the detection box (10), a chromium solution (16) is filled in the liquid storage box (18), and the connecting pipe (14) penetrates through the right side surface of the liquid storage box (18) leftwards and rightwards;
a weighing cavity (55) is arranged on the bottom wall of the detection cavity (11), two bilateral symmetrical springs (30) are fixedly arranged on the bottom wall of the weighing cavity (55), a weighing plate (29) extending upwards is arranged in the weighing cavity (55) in a sliding manner, the top surface of the weighing plate (29) is abutted against the bottom surface of the auxiliary shell (26), a smooth cavity (31) is arranged on the bottom wall of the weighing cavity (55), an inner measuring disc (56) is arranged in the smooth cavity (31) in a sliding way, the top surface of the inner measuring disc (56) is provided with a spraying cavity (34), the bottom wall of the spraying cavity (34) is fixedly provided with a spraying ball (35), four rotationally symmetrical second nozzles (36) are fixedly arranged on the top surface of the spray ball (35), a first sound wave ring (27) is arranged in the detection cavity (11) in a sliding manner, and a second sound wave ring (32) is fixedly arranged on the periphery of the inner measuring disc (56);
a second sliding cavity (47) is formed in the front wall of the detection cavity (11), a second sliding block (48) is arranged in the second sliding cavity (47) in a sliding mode, a push rod cavity (57) is formed in the rear side face of the second sliding block (48), a push rod (52) extending backwards is arranged in the push rod cavity (57) in a sliding mode, and a polishing plate (49) is fixedly arranged at the rear end of the push rod (52); a detachable fixing plate (24) is fixedly arranged on the top wall of the detection cavity (11), a vent pipe (40) is fixedly arranged on the bottom surface of the fixing plate (24), the vent pipe (40) vertically penetrates through the fixing plate (24), a pneumatic pump (39) is fixedly arranged at the top end of the vent pipe (40), a conductive rod (38) is fixedly arranged on the bottom surface of the fixing plate (24), the bottom surface of the conductive rod (38) is abutted to the top surface of the main shell (25), an anode power supply is fixedly arranged in the fixing plate (24), the anode power supply is electrically connected with the conductive rod (38), a chromium ring (28) is fixedly arranged on the bottom wall of the detection cavity (11), a cathode power supply is fixedly arranged in the bottom wall of the detection cavity (11), and the cathode power supply is electrically connected with the chromium ring (28); two eudipleural dyeing ring shafts (22) are rotationally arranged in the dye ring (20), the peripheries of the two dyeing ring shafts (22) are fixedly provided with dyeing ring gears (23), the left wall and the right wall of the detection cavity (11) are respectively meshed with the dyeing ring gears (23) on the same side, two eudipleural third motors are fixedly arranged in the dye ring (20), and the two third motors are respectively in power connection with the dyeing ring shafts (22) on the same side; a heating plate (12) is fixedly arranged in the left wall of the detection cavity (11), a drain pipe (13) is fixedly arranged on the left side surface of the detection box (10), a heating power supply is fixedly arranged in the left wall of the detection cavity (11), the heating power supply is electrically connected with the heating plate (12), a push rod shaft (50) is rotatably arranged on the top wall of the push rod cavity (57), a push rod gear (51) is fixedly arranged on the periphery of the push rod shaft (50), and the push rod gear (51) is meshed with the bottom surface of the push rod (52); dye ring (20) top surface internal rotation is equipped with oscillating axle (44), fixed swinging arms (45) that are equipped with in oscillating axle (44) periphery, it is equipped with gyro wheel (46) to rotate on swinging arms (45) bottom, dye ring (20) bottom surface internal fixation is equipped with swing motor, swing motor with oscillating axle (44) power is connected, swinging arms (45) bottom internal fixation is equipped with the gyro wheel motor, the gyro wheel motor with gyro wheel (46) power is connected.
2. The pressure vessel corrosion protection performance detection apparatus of claim 1, wherein: the valve is characterized in that a valve shaft (15) is arranged in the connecting pipe (14) in a rotating mode, a rotating motor is fixedly arranged in the top surface of the connecting pipe (14), the rotating motor is in power connection with the valve shaft (15), a valve (19) is fixedly arranged on the periphery of the valve shaft (15), a valve cavity (17) is formed in the valve (19), and the valve (19) penetrates through the valve cavity (17) from front to back.
3. The pressure vessel corrosion protection performance detection apparatus of claim 1, wherein: detect and seted up first slip chamber (43) on chamber (11) back wall, it is equipped with first screw rod (41) to rotate on first slip chamber (43) diapire, threaded connection has first sliding block (42) on first screw rod (41) periphery, first sound wave ring (27) trailing flank with first sliding block (42) leading flank is fixed, first slip chamber (43) diapire internal fixation is equipped with first motor, first motor with first screw rod (41) bottom power is connected.
4. The pressure vessel corrosion protection performance detection apparatus of claim 1, wherein: interior survey dish (56) bottom surface internal fixation is equipped with two bilateral symmetry's second motor (33), two equal power connection has second screw rod (37) on second motor (33) bottom surface, two second screw rod (37) all run through from top to bottom smooth chamber (31) diapire, and two second screw rod (37) outer peripheral face all with detection case (10) bottom surface threaded connection.
5. The pressure vessel corrosion protection performance detection apparatus of claim 2, wherein: a sliding shaft (53) is rotatably arranged on the bottom surface of the second sliding block (48), a sliding gear (54) is fixedly arranged on the periphery of the sliding shaft (53), and the sliding gear (54) is meshed with the left wall of the second sliding cavity (47).
CN202210013714.0A 2022-01-07 2022-01-07 Pressure vessel corrosion resistance check out test set Active CN114012581B (en)

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Publication number Priority date Publication date Assignee Title
CN117387849A (en) * 2023-12-06 2024-01-12 江苏恒阳冶金科技有限公司 Centrifugal casting furnace tube air tightness detection device

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CN113176199A (en) * 2021-05-26 2021-07-27 宁波市信测检测技术有限公司 Test device for corrosion resistance of test piece
CN113560217A (en) * 2021-09-23 2021-10-29 南通星维海威精密机械有限公司 Automobile inflatable shock absorber airtightness detection device

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CN107796916A (en) * 2017-09-20 2018-03-13 阜宁恒轶新材料科技有限公司 One kind exempts from can opening sealer quality detection device
CN111323309A (en) * 2020-04-13 2020-06-23 三门梅格测量仪器有限公司 Pipeline compression bearing test equipment
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