CN218271904U

CN218271904U - Pipeline corrosion resistance detection device

Info

Publication number: CN218271904U
Application number: CN202221262252.8U
Authority: CN
Inventors: 汪群; 冯勇; 于一山; 杨佳泰
Original assignee: Highway Engineering Supervision Consultation Co ltd Of China Highway Engineering Consulting Corp
Current assignee: Highway Engineering Supervision Consultation Co ltd Of China Highway Engineering Consulting Corp
Priority date: 2022-05-21
Filing date: 2022-05-21
Publication date: 2023-01-10
Anticipated expiration: 2032-05-21

Abstract

The utility model relates to a pipeline corrosion resistance detection device relates to pipeline corrosion resistance and detects technical field, is easily corroded under the acid environment in order to solve the pipeline inner wall, leads to the inside fluid of pipeline to have to reveal and obtain the risk, the lower problem of security. It includes the workstation, it detects the chamber to have seted up in the workstation, it has seted up the liquid outlet to detect the chamber diapire, the liquid outlet deviates from the one end intercommunication that detects the chamber has the waste liquid case, it is provided with fixed chuck to detect intracavity portion, the workstation upper surface is provided with the rotation motor, the output shaft that rotates the motor is inserted and is established into and detect the intracavity, it is provided with the work carousel to detect the intracavity, the work carousel is connected with the output shaft that rotates the motor, the one side that the work carousel deviates from the rotation motor is provided with the detection cylinder, the piston rod end wall that detects the cylinder is provided with the corrosion detection probe, be provided with the play liquid subassembly that is used for pouring into acid solution in the orientation pipeline on the work carousel. This application has and carries out corrosion resistance to the pipeline and detect, improves the effect of security.

Description

Pipeline corrosion resistance detection device

Technical Field

The application relates to the technical field of pipeline corrosion resistance detection, in particular to a pipeline corrosion resistance detection device.

Background

The pipeline is a conveying device for fluids such as gas, liquid and the like, and has important application in the field of energy transportation.

In the related technology, pipelines are commonly used for conveying some special chemical substances, such as acid solution and the like, the corrosion resistance of the existing partial pipelines is poor, after the pipelines are used for a long time, the acid solution can corrode the inner walls of the pipelines, the pipelines are broken, the substances conveyed in the pipelines are leaked, and the like, so that certain potential safety hazards exist. Therefore, there is a need for a corrosion resistance testing device for pipeline, which can test the corrosion resistance of the pipeline before the pipeline is put into use, so as to improve the safety of the pipeline in the use process.

SUMMERY OF THE UTILITY MODEL

In order to carry out the corrosion resistance to the pipeline and detect, improve the security of pipeline when using, this application provides a pipeline corrosion resistance detection device.

The application provides a pipeline corrosion resistance detection device adopts following technical scheme:

the utility model provides a pipeline corrosion resistance detection device, includes the workstation, it detects the chamber to have seted up in the workstation, it has seted up the liquid outlet to detect the chamber bottom wall, the liquid outlet deviates from the one end intercommunication that detects the chamber has the waste liquid case, it is provided with and is used for carrying out the fixed chuck that fixes with waiting to detect the pipeline to detect intracavity portion, fixed chuck and the coaxial setting of liquid outlet, the workstation upper surface is provided with the rotation motor, the output shaft that rotates the motor is inserted and is established into and detect the intracavity, rotate motor and workstation electric connection, it is provided with the work carousel to detect the intracavity, the work carousel is connected with the output shaft that rotates the motor, the one side that the work carousel deviates from the rotation motor is provided with the detection cylinder, the piston rod end wall of detection cylinder is provided with corrosion detection probe, detection cylinder and corrosion detection probe all with workstation electric connection, be provided with the play liquid subassembly that is used for pouring into acid solution in the pipeline towards on the work carousel.

By adopting the technical scheme, the pipeline to be detected is placed in the through hole of the fixing chuck, and the pipeline to be detected is fixed through the fixing chuck; starting a rotating motor, driving an output shaft of the rotating motor to drive a working turntable to rotate, rotating a liquid outlet assembly to the position above a pipeline to be detected, discharging an acidic solution towards the pipeline to be detected through the liquid outlet assembly, and discharging the acidic solution into a waste liquid tank through a liquid outlet; after the inner wall of the pipeline is washed by the acidic solution for a certain period of time, the rotating motor is started again to work and rotate, the detection cylinder is rotated to the position above the pipeline to be detected, and the corrosion detection probe is stretched into the pipeline to be detected to detect the corrosion resistance of the inner wall of the pipeline through the lifting of the detection cylinder; this application degree of automation is higher, detects the integration with the corrosion resistance of the injection of acid solution and pipeline inner wall, has improved the work efficiency that detects pipeline corrosion resistance, can detect out whether the corrosion resistance of pipeline accords with the construction standard, can cross the security that effectively improves the pipeline in the application, has higher practicality.

Preferably, go out the liquid subassembly and include lift cylinder, liquid storage pot, flow distribution disc and a plurality of shower head, the lift cylinder is connected in the one end that the work carousel deviates from the rotation motor, the piston rod orientation of lift cylinder deviates from the direction setting that rotates the motor, the liquid storage pot is connected in the piston rod end wall of lift cylinder, infusion mouth has been seted up to liquid storage pot lower extreme wall, the flow distribution disc is connected in liquid storage pot lower extreme wall, set up a plurality of shunting channels in the flow distribution disc, it is a plurality of shunting channel one end all communicates with each other and communicates with each other with infusion mouth, shunting channel deviates from the one end of infusion mouth and offers towards the flow distribution disc perisporium, and is a plurality of the shower head all is connected in the one end terminal surface that the flow distribution disc deviates from the liquid storage pot, each the shower head all is linked together with corresponding shunting channel.

By adopting the technical scheme, when the liquid outlet assembly rotates to the position above the pipeline to be detected through the working turntable, the lifting cylinder is started, the piston rod of the lifting cylinder moves towards the direction of the pipeline to be detected, and the flow distribution disc and the plurality of spray headers extend to the inner wall of the pipeline to be detected; opening a transfusion port of the liquid storage tank, injecting the acidic solution in the liquid storage tank into the flow distribution disc through the transfusion port, inputting the acidic solution into corresponding spray heads through a plurality of flow distribution channels in different directions, spraying the acidic solution towards the inner wall of the pipeline to be detected from the spray heads, and continuously scouring the inner wall of the pipeline; the liquid outlet assembly can comprehensively flush the inner wall of the pipeline with the acid solution, can effectively reduce the flow of the acid solution participating in acid detection, saves the cost and can improve the safety; in addition, the arrangement of the flow distribution disc and the flow distribution channel can comprehensively cover and wash the inner wall of the pipeline to be detected, so that the accuracy of subsequent detection is improved.

Preferably, a plurality of liquid outlet assemblies are arranged on the working turntable, and the diameters of the flow distribution discs in each liquid outlet assembly are different.

Through adopting above-mentioned technical scheme, set up the play liquid subassembly that the multiunit contains the flow distribution dish of different diameters and can effectively improve the application scope of this application, can carry out acid detection to the pipeline of different diameters size, improved the suitability and the economic benefits of this application.

Preferably, a reflux pump is arranged on the waste liquid tank, a water inlet end of the reflux pump is communicated with the interior of the waste liquid tank, a water outlet end of the reflux pump is communicated with a hose, and one end of the hose, which is far away from the reflux pump, is communicated with the liquid storage tank.

Through adopting above-mentioned technical scheme, after acid solution got into the waste liquid case, start the backwash liquid pump, the backwash liquid pump extracts the acid solution of waste liquid incasement portion to in reinjecting into the liquid storage pot through the hose again, realized acid solution's cyclic utilization, improved resource utilization, higher practicality and economic benefits have.

Preferably, the diverter plate outer wall is provided with the butt piece, the butt piece evenly sets up along the diverter plate periphery wall, butt piece lower surface and the one end wall looks butt that waits to detect the pipeline and deviate from fixed chuck.

Through adopting above-mentioned technical scheme, set up the butt piece and can effectively improve acid solution and wait to detect the problem that the pipeline was detected to the spill behind the pipeline through the shower head entering, the butt piece has played spacing effect to acid solution to can improve the security and the practicality of this application.

Preferably, the liquid outlet department is provided with the plug pipe, the plug pipe includes connecting pipe and fixed pipe, the connecting pipe cladding is in waiting to detect the pipeline and insert the one end of establishing into fixed chuck, fixed union coupling deviates from the one end of waiting to detect the pipeline in the connecting pipe, fixed pipe insert establish in the liquid outlet and with liquid outlet inner wall looks butt.

Through adopting above-mentioned technical scheme, the effect of connection is played for the liquid outlet and waiting to detect between the pipeline to the plug tube, when acid solution is through waiting to detect the pipeline, the problem that solution sprays at will in waiting to detect the pipeline can effectively be improved to the connecting pipe, after acid solution gets into the connecting pipe, can go on in the liquid outlet along fixed pipe, effectively improved in the testing process, acid solution splashes at will, lead to the problem that workstation internals is damaged by acid solution, the life of workstation has been prolonged, the security and the economic benefits of this application have been improved.

Preferably, a sealing washer is sleeved on the outer wall of one end, inserted into the liquid outlet, of the fixing pipe, and the sealing washer is abutted to the inner wall of the liquid outlet.

By adopting the technical scheme, the sealing performance of the inserting pipe can be effectively improved by arranging the sealing washer, the problem that acidic liquid easily overflows from a gap between the to-be-detected pipeline and the fixed pipe is solved, and the sealing performance and the safety of the device are improved.

Preferably, an observation opening is formed in the side wall of the workbench, and sealing glass is arranged at the observation opening.

Through adopting above-mentioned technical scheme, set up the detection process that the operation personnel in time surveyed the detection intracavity of being convenient for of observing the mouth for operation personnel can in time deal with the various circumstances that take place in the detection intracavity, have improved the practicality and the security of this application.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the liquid outlet assembly and the detection cylinder are arranged on the working turntable, so that two flows of injecting the acid solution and detecting the corrosion resistance of the inner wall of the pipeline are integrated, the automation degree is high, the working efficiency of detecting the corrosion resistance of the inner wall of the pipeline can be effectively improved, and the practicability and convenience of the device are improved;

2. the arrangement of the distributing plate and the distributing channel in the liquid outlet assembly can distribute the acid solution, and the acid solution is sprayed to the inner wall of the pipeline through the plurality of spray heads, so that the coverage of the acid solution is improved, the accuracy of subsequent corrosion resistance detection on the inner wall of the pipeline is improved, and the safety of the pipeline after the pipeline is put into use is higher.

Drawings

Fig. 1 is a schematic structural diagram of a pipeline corrosion resistance detection apparatus according to an embodiment of the present application.

Fig. 2 isbase:Sub>A cross-sectional view atbase:Sub>A-base:Sub>A in fig. 1.

Fig. 3 is a partially enlarged view at B in fig. 2.

Fig. 4 is a partially enlarged view at C in fig. 2.

Description of reference numerals: 1. a work table; 11. a detection chamber; 12. a liquid outlet; 13. an observation port; 2. a waste liquid tank; 3. fixing the chuck; 4. rotating the motor; 41. a working turntable; 5. detecting a cylinder; 51. a corrosion detection probe; 6. a liquid outlet assembly; 61. a lifting cylinder; 62. a liquid storage tank; 621. an infusion port; 63. a diverter tray; 631. a flow dividing channel; 632. abutting the sheet; 64. a shower head; 7. a reflux liquid pump; 71. a hose; 8. inserting a pipe; 81. a connecting pipe; 82. fixing the tube; 821. a sealing gasket; 9. and (5) sealing the glass.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses pipeline corrosion resistance detection device. Referring to fig. 1, a pipeline corrosion resistance detection device includes a workbench 1, and a detection cavity 11 for detecting corrosion resistance of a pipeline is opened inside the workbench 1. Observation mouth 13 has been seted up to 1 one side lateral wall of workstation, and observation mouth 13 communicates with each other with detecting chamber 11, and observation mouth 13 department has sealing glass 9 through adhesive bonding to make operating personnel can in time detect the detection process that detects 11 insides in chamber through observing mouth 13, improve the security. In this embodiment, an operation panel is arranged on one side of the workbench 1, and the operation panel is electrically connected with the workbench 1; one side of the workbench 1 is provided with an opening and closing door which is communicated with the detection cavity 11.

Referring to fig. 1, the upper surface of the workbench 1 is connected with a rotating motor 4 through welding, the rotating motor 4 is electrically connected with the workbench 1, and an output shaft of the rotating motor 4 penetrates through the workbench 1 and is inserted into the detection cavity 11. An output shaft of the rotating motor 4 is inserted into one end of the detection chamber 11 and is connected with a working turntable 41 through welding.

Referring to fig. 2, detecting cavity 11 diapire and having seted up liquid outlet 12, liquid outlet 12 top is provided with fixed chuck 3, and the centre gripping has the pipeline of waiting to detect in the fixed chuck 3, the vertical setting of pipeline, pipeline and the coaxial setting of liquid outlet 12. One end of the liquid outlet 12 departing from the detection cavity 11 is communicated with a waste liquid tank 2 for storing waste liquid.

Referring to fig. 2 and 3, the working turntable 41 is provided with a plurality of groups of liquid outlet assemblies 6 for adding an acidic solution to the interior of the pipeline to be detected, and the liquid outlet assemblies 6 are electrically connected with the workbench 1. In this embodiment, three sets of liquid outlet assemblies 6 are provided.

Referring to fig. 2 and 3, the liquid outlet assembly 6 includes a lifting cylinder 61, a liquid storage tank 62, a diverter tray 63 and a plurality of spray headers 64. The base of the lifting cylinder 61 is connected to the working turntable 41 through welding, the piston rod of the lifting cylinder 61 faces the direction away from the rotating motor 4, the liquid storage tank 62 is connected to the end wall of the piston rod of the lifting cylinder 61 through welding, and the lower end wall of the liquid storage tank 62 is provided with a transfusion port 621. The upper surface of the waste liquid tank 2 is connected with a reflux pump 7 through welding, the water inlet end of the reflux pump 7 is inserted into the waste liquid tank 2, the water outlet end of the reflux pump 7 is communicated with a hose 71, and one end of the hose 71 departing from the reflux pump 7 is communicated with the liquid storage tank 62. The acid solution entering the waste liquid tank 2 can be recycled by refluxing through the arrangement of the reflux pump 7 and the hose 71, so that the total amount of the acid solution participating in corrosion resistance detection is reduced, and the resource utilization rate is improved.

Referring to fig. 2 and 3, the diverter disc 63 is connected to one end of the liquid storage tank 62 departing from the lifting cylinder 61 by welding, a plurality of diverter channels 631 are formed in the diverter disc 63, the plurality of diverter channels 631 extend from the center of the diverter disc 63 towards the outer wall of the diverter disc 63, and one ends of the plurality of diverter channels 631, which are close to the center of the circle, are communicated with each other and the infusion port 621. Spray headers 64 are connected to the end of diverter tray 63 remote from reservoir 62 and communicate with respective diverter channels 631. In this embodiment, the diameter size of the flow distribution disc 63 on each group of flow distribution assembly is different, so that the flow distribution disc can be suitable for pipelines with more sizes to be detected, and the applicability of the application is improved.

Referring to fig. 2 and 3, the side wall of the diverter tray 63 is connected with an abutting piece 632 for abutting against the end wall of the pipeline to be detected through welding, the abutting piece 632 is arranged along the circumferential direction of the diverter tray 63, the abutting piece 632 is used for improving the sealing performance of the pipeline to be detected, the sputtering problem of the acid solution is improved, and the safety in the detection process is improved.

Referring to fig. 2, there is detection cylinder 5 in the one side that work carousel 41 deviates from rotation motor 4 through welded connection, and the piston rod of detection cylinder 5 passes through welded connection on work carousel 41, and the piston rod orientation of detection cylinder 5 waits to detect the pipeline direction setting, and the piston rod end wall of detection cylinder 5 is connected with the corrosion detection probe 51 that is used for detecting the pipeline inner wall, and detection cylinder 5 and corrosion detection probe 51 all with workstation 1 electric connection. The corrosion resistance detection can be performed on the inner wall of the pipeline by driving the corrosion detection probe 51 to ascend and descend through the detection cylinder 5, and the degree of automation is high.

Referring to fig. 2 and 4, liquid outlet 12 department is provided with grafting pipe 8, grafting pipe 8 includes connecting pipe 81 and fixed pipe 82, the connecting pipe 81 cladding is in waiting to detect the pipeline outside, fixed pipe 82 integrated into one piece is close to the one end of liquid outlet 12 in connecting pipe 81, fixed pipe 82 inserts and establishes into liquid outlet 12, fixed pipe 82 inserts and establishes into the inside outer wall of liquid outlet 12 and has seal ring 821 through adhesive bonding, seal ring 821 sets up and with liquid outlet 12 inner wall looks butt along liquid outlet 12 inner wall circumference.

The implementation principle of the pipeline corrosion resistance detection device in the embodiment of the application is as follows: an operator inserts a pipeline to be detected into the through hole of the fixed chuck 3, selects an insertion pipe 8 with a proper size to be connected and fixed with the liquid outlet 12, inserts one end of the pipeline to be detected, which extends into the through hole of the fixed chuck 3, into the connecting pipe 81, locks the pipeline to be detected through the fixed chuck 3, and completes the positioning of the pipeline;

starting the rotating motor 4, selecting the liquid outlet assembly 6 with the splitter disc 63 with a proper diameter, rotating the liquid outlet assembly 6 to the position above the pipeline to be detected through the working turntable 41, and descending the liquid outlet assembly 6 through the lifting cylinder 61 to enable the abutting sheet 632 to abut against the end wall of the pipeline to be detected; the transfusion port 621 of the liquid storage tank 62 is opened, the acid solution in the liquid storage tank 62 enters the diversion channel 631 of the diversion disc 63, the inner wall of the pipeline to be detected is flushed with the acid solution through the corresponding spray head 64, and the acid solution entering the waste liquid tank 2 is injected into the liquid storage tank 62 again through the reflux pump 7 and the hose 71 for recycling;

after the inner wall of the pipeline is washed by the acid solution for a certain time, the liquid outlet assembly 6 is rotated by the working turntable 41, the detection cylinder 5 is rotated to the position above the pipeline to be detected, the corrosion detection probe 51 is corroded below the detection cylinder 5 and enters the pipeline, and the corrosion resistance of the inner wall of the pipeline is detected.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a pipeline corrosion resistance detection device, includes workstation (1), its characterized in that: set up detection chamber (11) in workstation (1), liquid outlet (12) have been seted up to detection chamber (11) diapire, the one end intercommunication that liquid outlet (12) deviated from detection chamber (11) has waste liquid case (2), it is used for carrying out fixed chuck (3) with waiting to detect the pipeline to detect chamber (11) inside being provided with, fixed chuck (3) and liquid outlet (12) coaxial setting, workstation (1) upper surface is provided with rotates motor (4), the output shaft that rotates motor (4) is inserted and is established in detecting chamber (11), rotate motor (4) and workstation (1) electric connection, be provided with work carousel (41) in detection chamber (11), work carousel (41) are connected with the output shaft that rotates motor (4), work carousel (41) deviates from the one side that rotates motor (4) and is provided with detection cylinder (5), the piston rod end wall that detects cylinder (5) is provided with corrosion detection probe (51), detection cylinder (5) and corrosion detection probe (51) all with workstation (1) electric connection, be provided with the interior injection solution subassembly (6) that is used for in the acid carousel (41) goes up.

2. The apparatus for detecting corrosion resistance of a pipe according to claim 1, wherein: go out liquid subassembly (6) including lift cylinder (61), liquid storage pot (62), flow distribution disc (63) and a plurality of shower head (64), lift cylinder (61) are connected in work carousel (41) and are deviated from the one end that rotates motor (4), the piston rod orientation of lift cylinder (61) deviates from the direction setting that rotates motor (4), liquid storage pot (62) are connected in the piston rod end wall of lift cylinder (61), infusion mouth (621) have been seted up to liquid storage pot (62) lower end wall, flow distribution disc (63) are connected in liquid storage pot (62) lower end wall, it has a plurality of reposition of redundant personnel passageway (631), a plurality of to have seted up in flow distribution disc (63) reposition of redundant personnel passageway (631) one end all communicates with each other and communicates with each other with infusion mouth (621), the one end that reposition of redundant personnel passageway (631) deviates from infusion mouth (621) is seted up towards flow distribution disc (63) perisporium, a plurality of shower head (64) all connect in flow distribution disc (63) the one end face that deviates from liquid storage pot (62), each shower head (64) all are linked together with corresponding reposition of redundant personnel passageway (631).

3. The apparatus for detecting corrosion resistance of a pipeline according to claim 2, wherein: the working turntable (41) is provided with a plurality of groups of liquid outlet assemblies (6), and the diameters of the distribution discs (63) in each group of liquid outlet assemblies (6) are different.

4. The apparatus for detecting corrosion resistance of a pipe according to claim 2, wherein: be provided with return fluid pump (7) on waste liquid case (2), the end of intaking of return fluid pump (7) communicates with each other with waste liquid case (2) is inside, the play water end intercommunication of return fluid pump (7) has hose (71), hose (71) deviate from the one end and liquid storage pot (62) of return fluid pump (7) and are linked together.

5. The apparatus for detecting corrosion resistance of a pipeline according to claim 2, wherein: the outer wall of the flow distribution disc (63) is provided with a contact piece (632), the contact piece (632) is uniformly arranged along the outer peripheral wall of the flow distribution disc (63), and the lower surface of the contact piece (632) is in contact with one end wall of the to-be-detected pipeline, which deviates from the fixed chuck (3).

6. The apparatus for detecting corrosion resistance of a pipeline according to claim 1, wherein: liquid outlet (12) department is provided with grafting pipe (8), grafting pipe (8) are including connecting pipe (81) and fixed pipe (82), the one end of establishing into fixed chuck (3) is inserted in waiting to detect the pipeline to connecting pipe (81) cladding, fixed pipe (82) are connected in connecting pipe (81) and are deviated from the one end of waiting to detect the pipeline, fixed pipe (82) are inserted and are established in liquid outlet (12) and with liquid outlet (12) inner wall looks butt.

7. The apparatus for detecting corrosion resistance of a pipeline according to claim 6, wherein: the outer wall of one end, inserted into the liquid outlet (12), of the fixing pipe (82) is sleeved with a sealing washer (821), and the sealing washer (821) is abutted to the inner wall of the liquid outlet (12).

8. The apparatus for detecting corrosion resistance of a pipeline according to claim 1, wherein: an observation opening (13) is formed in the side wall of the workbench (1), and sealing glass (9) is arranged at the position of the observation opening (13).