CN214472878U - Internal irradiation radioactive source protection dredging pipe for sealing cylinder welding seam of coiled tube heat exchanger - Google Patents
Internal irradiation radioactive source protection dredging pipe for sealing cylinder welding seam of coiled tube heat exchanger Download PDFInfo
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- CN214472878U CN214472878U CN202023347843.9U CN202023347843U CN214472878U CN 214472878 U CN214472878 U CN 214472878U CN 202023347843 U CN202023347843 U CN 202023347843U CN 214472878 U CN214472878 U CN 214472878U
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Abstract
The application relates to a pipe is dredged in radiation source protection for sealing a welding seam around tubular heat exchanger, relates to the field of ray detection equipment safety and technological method, and it includes the body, the body includes connecting portion, transmission portion and radiation portion, radiation portion fixed connection is in the one end of transmission portion, connecting portion fixed connection is in the other end of transmission portion, the one end fixedly connected with connector of transmission portion is kept away from to connecting portion, be equipped with the through-hole in the connector, the through-hole communicates with the inside each other of body, be equipped with the external screw thread on the periphery lateral wall of connector. The operation method that the ray is harmful to human health is improved and the problem that ray shooting detection cannot be carried out on a special structure of a sealing cylinder welding line of the coiled tube heat exchanger is solved, and the method has the effects of improving safety, accuracy and high efficiency of a ray detection process.
Description
Technical Field
The application relates to the field of safety and process methods of ray detection equipment, in particular to an internal irradiation radioactive source protection dredging pipe for a sealing cylinder welding seam of a coiled tube heat exchanger.
Background
Ray detection is one of five conventional nondestructive detection methods and is widely applied to industry.
The wound tube type heat exchanger is a high-efficiency compact heat exchanger, can utilize waste heat, and has important functions in the aspects of energy conservation and environmental protection. The heat exchanger has a complex structural form and high manufacturing cost, and is positioned at a key part of the device.
Aiming at the related technologies, the inventor thinks that the structure of the wound tube heat exchanger sealing cylinder is complex, the position of the internal welding seam is special, when the ray detection is needed, the radioactive source of the ray is not easy to move to the detection position for detection, and the detection is difficult.
SUMMERY OF THE UTILITY MODEL
The structure of sealing a section of thick bamboo is comparatively complicated in order to improve winding tubular heat exchanger, and inside welding seam position is special, and the radioactive source of ray is difficult to radiate to detecting position and detects the comparatively difficult problem when needs ray detection, and this application provides a leading pipe is dredged in radiation source protection for sealing a section of thick bamboo welding seam around tubular heat exchanger.
The application provides a protect leading pipe of dredging of interior radiation source for sealing a section of thick bamboo welding seam around tubular heat exchanger adopts following technical scheme:
the utility model provides a pipe is dredged in radiation source protection for sealing a welding seam around tubular heat exchanger, includes the body, the body includes connecting portion, transmission portion and radiation portion, radiation portion fixed connection is in the one end of transmission portion, connecting portion fixed connection is in the other end of transmission portion, the one end fixedly connected with connector of transmission portion is kept away from to connecting portion, be equipped with the through-hole in the connector, the through-hole communicates with the body is inside mutually, be equipped with the external screw thread on the peripheral lateral wall of connector.
Through adopting above-mentioned technical scheme, dredge the pipe through setting up the protection in radiation source passageway department for the radiation source is difficult for being in the exposed state before conducting to the detection position, and the radiation source removes to the detection position under the guide of protecting easily and detects, has improved security, accurate nature and the high efficiency of ray detection process.
Optionally, the outer circumferential side wall of the connecting portion is sleeved with and fixedly connected with a rubber belt sleeve, and the rubber belt sleeve is arranged along the length direction of the pipe body.
Through adopting above-mentioned technical scheme, the setting of sticky tape cover for connecting back connecting portion and connector and keeping sealed between the two, the ray is difficult for shining out from between connecting portion and the connector, has improved the leakproofness of body.
Optionally, the transmission part is further fixedly connected with a plurality of positioning rings, and the positioning rings are uniformly arranged along the length direction of the transmission part.
Through adopting above-mentioned technical scheme, the setting of holding ring for the user judges the degree of depth that dredging pipe stretched into the gap from the holding ring easily when detecting narrow and small gap, thereby seeks the most accurate position and takes notes, has improved the accuracy that detects data.
Optionally, the cover is equipped with the protection casing on the outer peripheral lateral wall of radiation portion, one side that the protection casing is close to radiation portion is equipped with places the chamber, the opening of placing the chamber sets up towards radiation portion, the one end butt that transmission portion was kept away from to radiation portion is at the bottom of placing the chamber in the chamber, still be equipped with in the radiation portion and lock the protection casing in the locking Assembly in radiation portion.
Through adopting above-mentioned technical scheme, the setting of protection casing prevents to send the ray because of the mistake touches from the radiation portion after using, causes healthy injury to the staff of passing, has improved the security of dredging the pipe.
Optionally, the locking subassembly includes the sealing plug, it is equipped with the annular on the inside wall that the chamber is close to the opening part to place, the annular runs through the opening part of placing the chamber, the sealing plug inlays to be located in the annular, the sealing plug cover locate on the outer circumferential side wall of radiation portion and with the outer circumferential side wall interference fit of radiation portion.
Through adopting above-mentioned technical scheme, the sealing plug is plugged in the annular and with the peripheral lateral wall interference fit of radiation portion for the protection casing is difficult to break away from radiation portion, has improved the stability of protection casing.
Optionally, a guide surface is arranged on the outer side wall of the sealing plug.
By adopting the technical scheme, the sealing plug is guided to slide into the annular groove along the direction of the guide surface by the guide surface, so that the efficiency of placing the sealing plug into the annular groove is improved.
Optionally, the locking subassembly still includes the locking post, the annular is kept away from and is equipped with the hole of wearing to establish that supplies the locking post to wear to establish on the inside wall of placing the chamber, be equipped with on the sealing plug and supply the locking post to insert and interference fit's locking groove.
Through adopting above-mentioned technical scheme, the locking post passes and inserts locking inslot behind the through-going hole for further fixed between sealing plug and the protection casing, improved the stability of locking subassembly.
Optionally, one end of the locking column, which is far away from the sealing plug, is fixedly connected with a connecting rope, and one end of the connecting rope, which is far away from the locking column, is fixedly connected to the protective cover.
Through adopting above-mentioned technical scheme, after not using, take out the locking post, then take out protection casing, sealing plug in proper order, then insert the locking post in the sealing plug, connect the rope and make the locking post be difficult for dropping for protection casing, rubber buffer and locking are difficult for separating mutually when not using, have improved the life of rubber buffer, locking post.
In summary, the present application includes at least one of the following beneficial technical effects:
1. through dredging the pipe at the radiation source transmission path setting protection, the radiation source removes to the detection position under the guide of protecting easily and detects, has improved the accurate nature and the high efficiency of ray detection process.
2. The protective guide tube is arranged at the radioactive source channel, so that the radioactive source is not easy to be in an exposed state before being conducted to the detection position, and the safety of the radiographic detection process is improved;
3. the connecting rope makes the locking post be difficult for dropping for protection casing, rubber buffer and locking are difficult for separating each other when not using, have improved the life of rubber buffer, locking post.
Drawings
FIG. 1 is a schematic structural diagram of an internal irradiation radioactive source protection evacuation tube for a tube-wound heat exchanger tube sealing weld in an embodiment of the present application.
Fig. 2 is an exploded view of the emitting portion, locking assembly and shield in an embodiment of the present application.
Figure 3 is an exploded view of the locking post, connecting cord and shield in an embodiment of the present application.
Description of reference numerals: 1. a pipe body; 11. a connecting portion; 12. a transmission section; 13. a radiation unit; 14. a positioning ring; 2. a connector; 21. a through hole; 22. an external thread; 3. a tape cover; 4. a protective cover; 41. a placement chamber; 42. a ring groove; 43. perforating holes; 5. a locking assembly; 51. a sealing plug; 511. a guide surface; 512. a locking groove; 52. a locking post; 53. and connecting ropes.
Detailed Description
The present application is described in further detail below with reference to figures 1-3.
The embodiment of the application discloses a sparse pipe of internal irradiation radiation source protection for a sealing cylinder welding seam of a coiled tube heat exchanger. Referring to fig. 1, the internal irradiation radioactive source protection dredging tube comprises a tube body 1 and a protection cover 4.
The tube body 1 comprises a connecting part 11, a radiation part 13 and a transmission part 12 which are all arranged in a tubular shape, the connecting part 11 is fixedly connected to one end of the transmission part 12, and the radiation part 13 is fixedly connected to the other end of the transmission part 12.
The transmission part 12 is sleeved and fixedly connected with positioning rings 14, the number of the positioning rings 14 is a plurality, and the positioning rings 14 are uniformly arranged along the length direction of the transmission part 12 and used for judging the distance of the radiation part 13 extending into the gap.
One end fixedly connected with connector 2 that transmission portion 12 was kept away from to connecting portion 11, connector 2 are the column setting, are equipped with through-hole 21 in the connector 2, and through-hole 21 runs through the both ends of connector 2, and through-hole 21 communicates with connecting portion 11 each other, is equipped with external screw thread 22 on the outer peripheral lateral wall of connector 2, makes things convenient for connector 2 to be connected with the radiation source.
The connecting part 11 is further sleeved with and fixed with an adhesive tape sleeve 3, the fixed connection mode takes winding and bonding as an example, the adhesive tape sleeve 3 is formed after the adhesive tape is wound, the adhesive tape sleeve 3 is arranged along the length direction of the pipe body 1, and the connecting end of the connecting part 11 and the connecting head 2 is sealed.
Referring to fig. 2, the radiation portion 13 is provided with the protective cover 4, the protective cover 4 is provided in a cylindrical shape with one end open, the protective cover 4 is provided with a placing cavity 41, and the radiation portion 13 is arranged in the placing cavity 41 in a penetrating manner and abuts against the bottom of the placing cavity 41, so that the radiation portion 13 is not easy to emit rays due to mistaken touch when not in use.
The radiation part 13 is also provided with a locking assembly 5, so that the protective cover 4 is locked on the radiation part 13 and is not easy to fall off.
The outer side wall of the sealing plug 51 is provided with a guide surface 511 so that the sealing plug 51 is inclined toward the axis from the end away from the shield 4 to the end close to the shield 4, and guides the sealing plug 51 to be inserted into the ring groove 42.
Referring to fig. 2 and 3, the annular groove 42 is far away from to be equipped with the through hole 43 on the inside wall of placing the chamber 41, the through hole 43 runs through the lateral wall of protection casing 4, be equipped with locking groove 512 on the sealing plug 51, locking groove 512 corresponds and communicates mutually with through hole 43, when the sealing plug 51 inlays to be located in the annular groove 42, the lock post 52 passes and inserts behind the through hole 43 and lock in the groove 512, the lock post 52 with lock the inside wall interference fit who locks groove 512, make the sealing plug 51 difficult to break away from on the protection casing 4.
The one end that locking post 52 kept away from locking groove 512 flushes with the outer peripheral lateral wall of protection casing 4, and the one end fixedly connected with that locking post 52 kept away from locking groove 512 connects rope 53, connects the one end fixed connection that rope 53 kept away from locking post 52 on protection casing 4 for locking post 52 is difficult for breaking away from with protection casing 4.
The fixing connection mode can be threaded connection, welding or bonding, and the concrete practical situation is taken as the standard.
The implementation principle of the internal irradiation radioactive source protection dredging pipe for the sealing cylinder welding seam of the coiled tube heat exchanger in the embodiment of the application is as follows: when using, with connector 2 through threaded connection on the radiation source, then hold connecting rope 53, take out locking post 52 from locking groove 512 and wear to establish the hole 43 in, then hold protection casing 4, break away from protection casing 4 from radiation portion 13, sealing plug 51 breaks away from radiation portion 13, then puts into radiation portion 13 and waits to detect the gap in, stretches into the part according to holding ring 14 to radiation portion 13 and fixes a position.
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 (8)
1. The utility model provides a protect dredging pipe of internal irradiation radiation source for sealing a barrel welding seam around pipe heat exchanger which characterized in that: including body (1), body (1) includes connecting portion (11), transmission portion (12) and radiation portion (13), radiation portion (13) fixed connection is in the one end of transmission portion (12), connecting portion (11) fixed connection is in the other end of transmission portion (12), the one end fixedly connected with connector (2) of transmission portion (12) are kept away from in connecting portion (11), be equipped with through-hole (21) in connector (2), through-hole (21) communicate with body (1) inside each other, be equipped with external screw thread (22) on the periphery to the lateral wall of connector (2).
2. The internally irradiated radiation source protection evacuation tube for a tube-around heat exchanger can seal weld according to claim 1, wherein: the outer periphery of connecting portion (11) is gone up the cover and is established and fixedly connected with adhesive tape cover (3) to the lateral wall, adhesive tape cover (3) set up along the length direction of body (1).
3. The internally irradiated radiation source protection evacuation tube for a tube-around heat exchanger can seal weld according to claim 1, wherein: still fixedly connected with a plurality of holding rings (14) on transmission portion (12), holding ring (14) are evenly arranged along the length direction of transmission portion (12).
4. The internally irradiated radiation source protection evacuation tube for a tube-around heat exchanger can seal weld according to claim 1, wherein: the cover is equipped with protection casing (4) on the periphery lateral wall of radiation portion (13), one side that protection casing (4) are close to radiation portion (13) is equipped with places chamber (41), the opening of placing chamber (41) sets up towards radiation portion (13), the one end butt that transmission portion (12) were kept away from in radiation portion (13) is at the bottom of the chamber of placing chamber (41), still be equipped with on radiation portion (13) and lock protection casing (4) in locking subassembly (5) on radiation portion (13).
5. The internal irradiation radiation source protection evacuation tube for a tube-around heat exchanger can seal weld of claim 4, wherein: locking Assembly (5) include sealing plug (51), it is equipped with annular (42) on the inside wall that is close to the opening part to place chamber (41), annular (42) run through the opening part of placing chamber (41), sealing plug (51) are inlayed and are located in annular (42), sealing plug (51) cover locate on the outer circumferential side wall of radiation portion (13) and with the outer circumferential side wall interference fit of radiation portion (13).
6. The internal irradiation radiation source protection evacuation tube for a tube-around heat exchanger can seal weld of claim 5, wherein: the outer side wall of the sealing plug (51) is provided with a guide surface (511).
7. The internal irradiation radiation source protection evacuation tube for a tube-around heat exchanger can seal weld of claim 5, wherein: locking subassembly (5) still include locking column (52), annular (42) are kept away from and are equipped with wearing to establish hole (43) that supply locking column (52) to wear to establish on the inside wall of placing chamber (41), be equipped with on sealing plug (51) and supply locking column (52) to insert and interference fit's locking groove (512).
8. The internally irradiated radiation source protection evacuation tube for a tube-around heat exchanger can seam weld of claim 7, wherein: one end, far away from the sealing plug (51), of the locking column (52) is fixedly connected with a connecting rope (53), and one end, far away from the locking column (52), of the connecting rope (53) is fixedly connected to the protective cover (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023347843.9U CN214472878U (en) | 2020-12-31 | 2020-12-31 | Internal irradiation radioactive source protection dredging pipe for sealing cylinder welding seam of coiled tube heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023347843.9U CN214472878U (en) | 2020-12-31 | 2020-12-31 | Internal irradiation radioactive source protection dredging pipe for sealing cylinder welding seam of coiled tube heat exchanger |
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| Publication Number | Publication Date |
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| CN214472878U true CN214472878U (en) | 2021-10-22 |
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| CN202023347843.9U Active CN214472878U (en) | 2020-12-31 | 2020-12-31 | Internal irradiation radioactive source protection dredging pipe for sealing cylinder welding seam of coiled tube heat exchanger |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| USD1013299S1 (en) * | 2021-11-21 | 2024-01-30 | Changzheng Lin | Toilet dredge |
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2020
- 2020-12-31 CN CN202023347843.9U patent/CN214472878U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| USD1013299S1 (en) * | 2021-11-21 | 2024-01-30 | Changzheng Lin | Toilet dredge |
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