CN214708091U - Heating device for tank wall weld seam penetration flaw detection in winter - Google Patents
Heating device for tank wall weld seam penetration flaw detection in winter Download PDFInfo
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- CN214708091U CN214708091U CN202121008959.1U CN202121008959U CN214708091U CN 214708091 U CN214708091 U CN 214708091U CN 202121008959 U CN202121008959 U CN 202121008959U CN 214708091 U CN214708091 U CN 214708091U
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Abstract
A heating device for the penetration flaw detection of a welding seam on a tank wall in winter comprises a heating belt, a controller and a power supply, wherein the heating belt, the controller and a power supply circuit are connected to form a heating control loop; the heating belt comprises a heat insulation belt body, an electric heating strip, a heat dissipation cushion, a temperature sensor and fixing magnetic blocks, wherein the heat insulation belt body is of a soft strip-shaped structure, the electric heating strip is fixedly arranged on the heat insulation belt body along the length direction of the heat insulation belt body, the heat dissipation cushion is fixedly distributed on the electric heating strip along the length direction of the electric heating strip, the temperature sensor is fixedly arranged on the heat dissipation cushion, and the fixing magnetic blocks are fixedly and uniformly arranged along two sides of the length direction of the heat insulation belt body; the heating band is respectively connected with the controller circuit through the electric heating strip and the temperature sensor. Has the advantages that: the tank body welding seam penetration flaw detection device is simple and convenient to configure, high in heating efficiency, capable of being assembled and set according to the length of the welding seam, and suitable for heating and using of welding seams of various tank body inner walls, and therefore efficiency and quality of tank body welding seam penetration flaw detection operation are improved.
Description
Technical Field
The utility model particularly relates to a heating device that heats up the use of heating to jar body welding seam surface among the penetrant inspection operation process winter.
Background
The specified operation temperature of the penetration detection work is within the temperature range of 5-50 ℃, however, in the process of performing penetration flaw detection on the welding seam surface of the inner wall of the tank body in winter, the welding seam surface of the inner wall of the tank body and the environment temperature in the tank body are both at the temperature below zero ℃, and under the influence of the low-temperature condition, the penetration effect of the penetration flaw detection reagent is extremely poor, and the detection requirement is difficult to achieve. Because the permeation reagent generally needs to last about 20 minutes after being sprayed, the viscosity of the permeation liquid at low temperature becomes thick, the permeation speed becomes slow, and the permeation effect is difficult to achieve. In order to improve the quality of the penetrant inspection detection of the welding seam surface of the inner wall of the tank body, when the penetrant inspection detection is performed in a low-temperature environment, the prior art provides a method for heating the inside of the tank body to improve the detection environment temperature, but in the practical implementation process, the method finds that although the method can improve the detection environment temperature by arranging a heating device in the tank body through the inspection manhole of the tank body, the metal tank body placed in the outdoor low-temperature environment below zero has fast heat conduction, so that the inner wall of the tank body is difficult to heat to more than 5 ℃ by a heating device placed in the tank body. Therefore, when the workers perform flaw detection on the inner wall of the tank body along the transverse and longitudinal welding lines, the detection quality can not be improved even if the environment temperature and the reagent temperature are improved and the influence of the low-temperature tank wall is caused, so that the accuracy of flaw detection can not be ensured. The tank body is heated and then detected, however, the amount of general tank body equipment is large, the overall heating mode is short of equipment, the problems of time consumption and labor consumption can be solved, and the difficulty and the cost of detection work are improved substantially.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the above-mentioned carrying out the penetrant inspection to jar internal wall welding seam and detecting the operation in-process under winter low temperature environment, jar internal wall welding seam surface temperature crosses low heating difficulty excessively, can influence detection quality's problem, provides a heating device who is used for specially for jar internal wall welding seam surface intensification.
In order to realize the above-mentioned purpose, the utility model discloses the technical scheme who adopts sets up a heating band that can adsorb to be fixed on jar wall surface, lays the heating band along jar internal wall welding seam surface, then is connected the heating band through configuration power and controller and constitutes control heating circuit, and control setting makes the heating band heat up, utilizes the heating band to heat jar internal wall welding seam surface until suitable temperature, takes off the heating band before the operation is detected in the penetrant inspection at last.
The utility model discloses a heating device for the penetration inspection detection of a welding seam on a tank wall in winter, which comprises a heating belt, a controller and a power supply, wherein the heating belt, the controller and a power supply circuit are connected to form a heating control loop; the heating belt comprises a heat insulation belt body, an electric heating strip, a heat dissipation cushion, a temperature sensor and fixing magnetic blocks, wherein the heat insulation belt body is of a soft strip-shaped structure, the electric heating strip is fixedly arranged on the heat insulation belt body along the length direction of the heat insulation belt body, the heat dissipation cushion is fixedly distributed on the electric heating strip along the length direction of the electric heating strip, the temperature sensor is fixedly arranged on the heat dissipation cushion, and the fixing magnetic blocks are fixedly and uniformly arranged along two sides of the length direction of the heat insulation belt body; the heating band is respectively connected with the controller circuit through the electric heating strip and the temperature sensor.
The electric heating strips on the heating belt are embedded in the surface of the heat-preservation belt, and the heat-dissipation soft cushion on the electric heating strips is arranged in parallel with the surface of the heat-preservation belt.
The electric heating strip both ends are provided with the public plug of circuit and the female plug of circuit respectively, and the electric heating strip passes through the public plug of circuit and the female plug of circuit and controller circuit connection to can establish ties through public plug of circuit and the female plug of circuit between two independent electric heating strips and assemble into a whole.
The temperature sensor is arranged on the surface of the radiating cushion, and a data line connector used for connecting a controller is arranged on the temperature sensor.
The fixed magnetic block is embedded and fixed in the surface of the thermal insulation belt body.
The width specification of heating band sets up according to jar wall welding seam width configuration, and heat dissipation cushion width is greater than the welding seam width setting, and the heating band sets up to multiple standard according to different length, and is long like 2m, 1m is long and 0.5m is long.
The controller is provided with a display screen for displaying temperature and an adjusting control button for adjusting and setting the heating temperature of the controller.
The power supply adopts a storage battery.
The beneficial effects of the utility model reside in that: the tank welding seam permeation flaw detection device is convenient to configure, simple to install, high in heating efficiency, capable of being assembled and set according to the length of a welding seam, suitable for heating and using of welding seams of various tank inner walls, capable of improving efficiency and quality of tank welding seam permeation flaw detection operation, convenient to carry and capable of meeting configuration requirements of existing operation.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of a planar layout structure of the heating belt of the present invention;
FIG. 3 is a schematic view of a heating belt cutting structure of the present invention;
in the drawings: the heating belt comprises a heating belt body 1, a heat insulation belt body 11, an electric heating strip 12, a circuit male plug 121, a circuit female plug 122, a heat dissipation cushion 13, a temperature sensor 14, a data line connector 141, a fixed magnetic block 15, a controller 2 and a power supply 3.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be described in detail with reference to the embodiments.
As shown in attached figures 1-3, the heating device for the penetration inspection detection of the welding line of the tank wall in winter comprises a heating belt 1, a controller 2 and a power supply 3, wherein the heating belt 1, the controller 2 and the power supply 3 are connected by a circuit to form a heating control loop; the heating belt 1 comprises a heat-insulation belt body 11, an electric heating strip 12, a heat-dissipation cushion 13, a temperature sensor 14 and fixing magnetic blocks 15, wherein the heat-insulation belt body 11 is of a soft strip-shaped structure, the electric heating strip 12 is fixedly arranged on the heat-insulation belt body 11 along the length direction of the heat-insulation belt body 11, the heat-dissipation cushion 13 is fixedly arranged on the electric heating strip 12 along the length direction of the electric heating strip 12, the temperature sensor 14 is fixedly arranged on the heat-dissipation cushion 13, and the fixing magnetic blocks 15 are fixedly and uniformly arranged along two sides of the heat-insulation belt body 11 along the length direction; the heating belt 1 is respectively connected with the controller 2 through an electric heating strip 12 and a temperature sensor 14.
The electric heating strips 12 on the heating belt 1 are embedded in the surface of the heat-insulating belt body 11, and the heat-radiating soft pads 13 on the electric heating strips are flush with the surface of the heat-insulating belt body 11.
The two ends of the electric heating strip 12 are respectively provided with a circuit male plug 121 and a circuit female plug 122, the electric heating strip 12 is in circuit connection with the controller 2 through the circuit male plug 121 and the circuit female plug 122, and the two independent electric heating strips 12 are connected in series through the circuit male plug 121 and the circuit female plug 122 to form a whole.
The temperature sensor 14 is installed on the surface of the heat dissipation cushion 13, and a data line connector 141 for connecting the controller 2 is arranged on the temperature sensor.
The fixed magnet 15 is embedded and fixed in the surface of the heat-insulating belt body 11.
The width specification of heating band 1 sets up according to jar wall welding seam width configuration, and heat dissipation cushion 13 width is greater than the welding seam width setting, and heating band 1 sets up to multiple standard according to different length, and is long like 2m, 1m is long and 0.5m is long.
And the controller 2 is provided with a display screen for displaying the temperature and an adjusting control button for adjusting and setting the heating temperature of the controller 2.
The power supply 3 adopts a storage battery.
Example 1
In the actual working process of carrying out penetrant inspection in winter, taking an industrial tank body with the diameter of 2m and the height of 3m as an example, the positions to be detected on the inner side wall comprise vertical welding seams from top to bottom along the height of the tank body and transverse welding seams along the circumference of the tank wall. Before the penetrant is coated, the ambient temperature in the tank body and the temperature of the surface of the welding seam on the inner wall of the tank body need to be heated to be between 5 and 50 ℃ so as to ensure the working quality. The internal ambient temperature of jar can utilize the manhole to set up a heating equipment in jar body, such as electric heater, can make the internal ambient temperature of jar reach more than 5 ℃ in this small-size jar of internal half an hour. Because, jar internal heating equipment hardly makes jar internal wall welding seam surface temperature reach more than 5 ℃ in the short time, so need pass through the utility model discloses jar wall welding seam infiltration detects a flaw in winter and detects heating device and carry out rapid heating to jar internal wall welding seam surface, it is shown with reference to attached figure 1-3, concrete process and principle are as follows:
1) the length of the heating belt 1 is set according to the length of the welding line on the inner wall of the tank body, if the length of the welding line is 3m along the vertical direction of the tank body, the length of the heating belt 1 set by the standard specification is 2m long, 1m long and 0.5m long, so that the heating belt 1 with the length of 2m and 1m needs to be assembled for use, and the heating requirement of the vertical welding line with the length of 3m is met.
2) Two heating strips 1 are fixedly installed along a vertical welding line with the length of 3m, so that the surface of the welding line is completely covered by the heating strips 1. When the heating device is installed, the heat dissipation soft cushion 13 of the heating belt 1 is centered and aligned with the welding seam to cover the welding seam, and the heating belt 1 can be automatically and firmly adsorbed on the inner wall of the tank body through the fixing magnetic blocks 15 on the two sides. The arrangement of the fixed magnetic block 15 ensures that the heating belt 1 is extremely convenient to install and use on the vertical side wall, thereby ensuring the stable working state of the heating belt 1; the heat dissipation cushion 13 is used for uniformly dissipating the heat of the conductive electric heating strip 12, and more importantly, can ensure complete contact with the surface of the weld joint, and avoid the defect of over-high local temperature when the electric heating strip 12 is directly used for contacting with the surface of the weld joint.
3) After the two heating belts are fixed, as shown in fig. 1, the male circuit plug 121 and the female circuit plug 122 arranged at two ends of the heating belt 1 are used to connect the male circuit plug 121 and the female circuit plug 122 at one side end of the first heating belt 1 with the male circuit plug 122 and the male circuit plug 121 at one side end of the other heating belt 1, respectively, so that the two heating belts 1 are connected in series to form a complete heating belt 1 (according to the requirement of the use length of the welding seam, the assembly can be completed through the heating belts 1 with different specifications and quantities).
4) The public plug 121 of circuit and the female plug 122 of circuit of 1 one side of heating band after will assembling are connected, and on being connected to controller 2 with the public plug 121 of circuit and the female plug 122 of circuit of 1 opposite side of heating band, also being connected to controller 2 with temperature sensor 14's data line connector 141 simultaneously, will regard as battery and the 2 UNICOMs of controller of power 3, the utility model discloses jar wall welding seam infiltration is detected a flaw in winter and is detected heating device and accomplish by the heating control return circuit installation of heating band 1, controller 2 and the 3 circuit connection of power constitution.
5) The whole heating control loop is conducted through the controller 2, the working temperature of the electric heating strip 12 is set through the adjusting control button arranged on the controller, and meanwhile, the temperature of the surface of the welding seam can be detected through the temperature sensor 14 in real time through the display. After heating for a period of time (generally 20 minutes), stopping heating the electric heating bar 12 when the temperature measured by the temperature sensor 14 shows that the surface temperature of the welding seam meets the requirements of flaw detection operation, and after the temperature measured by the temperature sensor 14 shows that the surface temperature of the welding seam is still within a specified range, proving that the heating operation is finished, and immediately performing the operation of coating the penetrating agent after dismantling; if the temperature of the electric heating strip 12 is stopped to rise after heating, the measured temperature shows that the surface temperature of the welding seam immediately falls out of the specified range after a period of time, the heating degree of the tank wall where the welding seam is located is proved to be insufficient, and the heating is required to be continued.
Claims (8)
1. The utility model provides a jar wall welding seam winter penetrant inspection detects heating device which characterized in that: the heating device comprises a heating belt (1), a controller (2) and a power supply (3), wherein the heating belt (1), the controller (2) and the power supply (3) are connected in a circuit manner to form a heating control loop; the heating belt (1) comprises a heat insulation belt body (11), an electric heating strip (12), a heat dissipation cushion (13), a temperature sensor (14) and fixing magnetic blocks (15), the heat insulation belt body (11) is of a soft strip-shaped structure, the electric heating strip (12) is fixedly arranged on the heat insulation belt body (11) along the length direction of the heat insulation belt body (11), the heat dissipation cushion (13) is fixedly arranged on the electric heating strip (12) along the length direction of the electric heating strip (12), the temperature sensor (14) is fixedly arranged on the heat dissipation cushion (13), and the fixing magnetic blocks (15) are fixedly and uniformly arranged along two sides of the length direction of the heat insulation belt body (11); the heating belt (1) is respectively connected with the controller (2) through an electric heating strip (12) and a temperature sensor (14) in a circuit mode.
2. The can wall weld winter penetrant inspection heating apparatus of claim 1, wherein: the electric heating strips (12) on the heating belt (1) are embedded in the surface of the heat-insulating belt body (11), and the heat-radiating cushion (13) on the electric heating strips is flush with the surface of the heat-insulating belt body (11).
3. The can wall weld winter penetrant inspection heating apparatus of claim 1, wherein: the electric heating strip (12) is provided with circuit male plug (121) and circuit female plug (122) respectively at both ends, and electric heating strip (12) passes through circuit male plug (121) and circuit female plug (122) and controller (2) circuit connection to can establish ties through circuit male plug (121) and circuit female plug (122) between two independent electric heating strips (12) and assemble into a whole.
4. The can wall weld winter penetrant inspection heating apparatus of claim 1, wherein: the temperature sensor (14) is arranged on the surface of the heat dissipation cushion (13), and a data line connector (141) for connecting the controller (2) is arranged on the temperature sensor.
5. The can wall weld winter penetrant inspection heating apparatus of claim 1, wherein: the fixed magnetic block (15) is embedded and fixed in the surface of the heat-insulating belt body (11).
6. The can wall weld winter penetrant inspection heating apparatus of claim 1, wherein: the width specification of heating band (1) sets up according to jar wall welding seam width configuration, and heat dissipation cushion (13) width is greater than the welding seam width setting, and heating band (1) sets up to multiple standard according to different length, and is long like 2m, 1m is long and 0.5m is long.
7. The can wall weld winter penetrant inspection heating apparatus of claim 1, wherein: the controller (2) is provided with a display screen for displaying temperature and an adjusting control button for adjusting and setting the heating temperature of the controller (2).
8. The can wall weld winter penetrant inspection heating apparatus of claim 1, wherein: the power supply (3) adopts a storage battery.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121008959.1U CN214708091U (en) | 2021-05-12 | 2021-05-12 | Heating device for tank wall weld seam penetration flaw detection in winter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121008959.1U CN214708091U (en) | 2021-05-12 | 2021-05-12 | Heating device for tank wall weld seam penetration flaw detection in winter |
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| Publication Number | Publication Date |
|---|---|
| CN214708091U true CN214708091U (en) | 2021-11-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121008959.1U Expired - Fee Related CN214708091U (en) | 2021-05-12 | 2021-05-12 | Heating device for tank wall weld seam penetration flaw detection in winter |
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| Country | Link |
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| CN (1) | CN214708091U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115373445A (en) * | 2022-10-26 | 2022-11-22 | 江苏新恒基特种装备股份有限公司 | Post-weld heat treatment monitoring control device, system and method for field assembly welding seam |
-
2021
- 2021-05-12 CN CN202121008959.1U patent/CN214708091U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115373445A (en) * | 2022-10-26 | 2022-11-22 | 江苏新恒基特种装备股份有限公司 | Post-weld heat treatment monitoring control device, system and method for field assembly welding seam |
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| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
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Granted publication date: 20211112 |