CN204174282U - A kind of container and inner-walls of duct impressed current catholic protection device - Google Patents
A kind of container and inner-walls of duct impressed current catholic protection device Download PDFInfo
- Publication number
- CN204174282U CN204174282U CN201420666772.4U CN201420666772U CN204174282U CN 204174282 U CN204174282 U CN 204174282U CN 201420666772 U CN201420666772 U CN 201420666772U CN 204174282 U CN204174282 U CN 204174282U
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- Prior art keywords
- centre hole
- duct
- securing gear
- walls
- insulating sheath
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Abstract
The utility model discloses a kind of container and inner-walls of duct impressed current catholic protection device, comprise permanent seat, securing gear, supplementary anode and insulating sheath, described insulating sheath and described supplementary anode socket and integral; Described permanent seat has centre hole, the perforate central alignment on its centre hole and container and duct wall, and it welds affixed with container and pipeline outer wall; Described securing gear has centre hole, seals with it affixed in its centre hole inserting described permanent seat; Seal with it affixed in the centre hole that described securing gear is inserted on described insulating sheath top; The leader cable of described supplementary anode is electrically connected with external cable through the centre hole of described securing gear.The utility model is connected and fixed the securing gear of anode by arranging; circular platform type is adopted to be threaded and the sealing of trapezoidal Teflon material; can elevated pressures be born, impressed current cathodic protection can be applied at the pressurized vessel and inner-walls of duct requiring safe pressure area requirement.
Description
Technical field
The utility model relates to a kind of cathodic protector, particularly a kind of container and inner-walls of duct impressed current catholic protection device.
Background technology
When impressed current cathodic protection design is carried out to Steel Vessel and inner-walls of duct; need to carry out perforate to tank body; supplementary anode is stretched in the electrolyte solution of container and pipe interior; by electrolytical conductivity; form electric loop with protected equipment, external power source, cable, galvanic protection is formed to container and inner-walls of duct.And the domestic galvanic protection at present to inwall impressed current, be generally positioned over by supplementary anode in internal tank electrolyte solution, this is very high to the insulating requirements of cable and supplementary anode joint area, easily occurs the bad and situation of short circuit of insulation processing.Meanwhile, in the solution, also easily there is aging problem in the insulating sheath long period of soaking of Exterior cable.
Summary of the invention
The utility model provides a kind of safe and reliable at pressurized vessel and inner-walls of duct impressed current catholic protection device for solving in known technology the technical problem that exists.
The technical scheme that the utility model is taked for the technical problem existed in solution known technology is: a kind of container and inner-walls of duct impressed current catholic protection device, comprise permanent seat, securing gear, supplementary anode and insulating sheath, described insulating sheath and described supplementary anode socket and integral; Described permanent seat has centre hole, the perforate central alignment on its centre hole and container and duct wall, and it welds affixed with container and pipeline outer wall; Described securing gear has centre hole, seals with it affixed in its centre hole inserting described permanent seat; Seal with it affixed in the centre hole that described securing gear is inserted on described insulating sheath top; The leader cable of described supplementary anode is electrically connected with external cable through the centre hole of described securing gear.
The utility model can also adopt following technical scheme:
Be greater than the round platform of lower end diameter for upper end diameter in the middle part of described securing gear and be provided with outside screw, described round platform is threaded with the centre hole top of described permanent seat; Described round platform lower surface is provided with boss, is provided with the first sealing-ring at described boss shoulder, by described first sealing-ring sealing between described permanent seat and described securing gear.
The centre hole bottom shaft section of described permanent seat is up big and down small trapezoidal, the ladder-shaped sealing ring that described first sealing-ring matches with the centre hole bottom shaft section of described permanent seat.
Also comprise pipe hoop joint, described pipe hoop joint is provided with internal thread; Described round platform lower surface is provided with cylindrical boss, and described cylindrical boss is provided with outside screw and is connected with the threaded one end of described pipe hoop joint; Described insulating sheath is stepped cylindrical body, and the diameter of its upper, middle and lower three part increases successively, is provided with outside screw and is threaded with the other end of described pipe hoop joint in the middle part of described stepped cylindrical body; The outside screw of described round platform and the outside screw reverse thread each other of described cylindrical boss; Between step shoulder bonding surface in the middle part of described securing gear circular cylindrical projection shoulders and described insulating sheath, sealed by the second sealing-ring.
In the middle part of the outside screw of described securing gear cylindrical boss and described insulating sheath, cylindrical outside screw is screw thread in the same way, the outside screw reverse thread each other of the two and described securing gear round platform.
Also comprise pipe hoop joint, described insulating sheath and described securing gear are tightly connected by described pipe hoop joint.
The top of described securing gear is provided with hexagonal prism shape boss.
Described supplementary anode is platinized titanium supplementary anode.
Described insulating sheath is teflon insulation sheath.
The advantage that the utility model has and positively effect are: arrange securing gear and permanent seat; adopt insulating sheath by supplementary anode isolated insulation; supplementary anode insulated enclosure can be fixed on container and duct wall; circular platform type is adopted to be threaded and the sealing of trapezoidal Teflon material; higher pressure can be born, can pressurized vessel and the inner-walls of duct impressed current cathodic protection of safe pressure scope required.Be fixed on by supplementary anode on container and duct wall, be deep into by the significant part of supplementary anode in inner ionogen, cable is connected at equipment or pipeline external with supplementary anode joint, avoids directly contact electrolytical with inside and causes failure of insulation.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is supplementary anode of the present utility model and insulating sheath integrative-structure schematic diagram;
Fig. 3 is that permanent seat of the present utility model and container or pipeline outer wall are welded to connect schematic diagram;
Fig. 4 is securing gear structural representation of the present utility model;
Fig. 5 is pipe hoop joint structural representation of the present utility model;
Fig. 6 is the first ring structure schematic diagram of the present utility model.
In figure: 1, supplementary anode; 2, insulating sheath; 3, pipe hoop joint; 4, the second sealing-ring; 5, the first sealing-ring; 6, permanent seat; 7, securing gear; 8, hexagonal prism shape boss; 9, leader cable; 10, round platform; 11, container or pipeline outer wall; 12, cylindrical boss; 13, in the middle part of insulating sheath stepped cylindrical body; 14, the centre hole top of permanent seat.
Embodiment
For summary of the invention of the present utility model, Characteristic can be understood further, hereby exemplify following examples, and coordinate accompanying drawing to be described in detail as follows:
Refer to Fig. 1 to Fig. 6, a kind of container and inner-walls of duct impressed current catholic protection device, comprise permanent seat 6, securing gear 7, supplementary anode 1 and insulating sheath 2, described insulating sheath 2 and described supplementary anode 1 are socketed and integral; Described permanent seat 6 has centre hole, the perforate central alignment on its centre hole and container and duct wall, and it welds affixed with container and pipeline outer wall; Described securing gear 7 has centre hole, seals with it affixed in its centre hole inserting described permanent seat 6; Seal with it affixed in the centre hole that described securing gear 7 is inserted on described insulating sheath 2 top; The centre hole that the leader cable 9 of described supplementary anode 1 passes described securing gear 7 is electrically connected with external cable.
Further, also can comprise pipe hoop joint 3, described insulating sheath 2 adopts several modes such as mechanical seal, thread seal, conical surface seal to be tightly connected with described securing gear 7 by described pipe hoop joint 3.
Further, can be upper end diameter in the middle part of described securing gear 7 be greater than the round platform 10 of lower end diameter and can outside screw be provided with; Make the shaft section of centre hole top 14 shaft section of described permanent seat 6 and described round platform 10 corresponding to the same, and making the centre hole of described permanent seat 6 be provided with the internal thread matched with described round platform 10 outside screw, described like this round platform 10 is threaded with the centre hole top 14 of described permanent seat; Described round platform lower surface is provided with boss, is provided with the first sealing-ring 5 at described boss shoulder, seals between described permanent seat 6 and described securing gear 7 by the first sealing-ring 5.The centre hole bottom shaft section of described permanent seat 6 can be up big and down small trapezoidal, the first sealing-ring 5 being located at described boss shoulder can be the ladder-shaped sealing ring matched with the centre hole bottom shaft section of described permanent seat 6, can improve sealing intensity between permanent seat 6 internal surface and securing gear 7 outside surface like this.The centre hole axis cross section of aforesaid described permanent seat 6 can entirety be up big and down small trapezoidal, top establishes internal thread to match with described round platform 10 outside screw, internal thread is not established in bottom, the boss shape ring be in echelon provided with the round platform lower surface of described securing gear 7, between can put into the first sealing-ring 5.On this basis, also can comprise pipe hoop joint 3, be provided with internal thread at described pipe hoop joint; Described round platform 10 lower surface can be provided with cylindrical boss 12, and described cylindrical boss 12 can be provided with outside screw and be connected with the threaded one end of described pipe hoop joint 3; Described insulating sheath 2 can be stepped cylindrical body, and the diameter of its upper, middle and lower three part increases successively, and in the middle part of the stepped cylindrical body of described insulating sheath, 13 can be provided with outside screw and be threaded with the other end of described pipe hoop joint 3; The outside screw of described round platform 10 can with the outside screw reverse thread each other of described cylindrical boss 12; In the middle part of cylindrical boss 12 shoulder of described securing gear 7 and described insulating sheath 13 step shoulder bonding surface between, can be sealed by the second sealing-ring 4.In the middle part of the outside screw of described securing gear cylindrical boss and described insulating sheath, cylindrical outside screw can be screw thread in the same way, and the outside screw of the two and described securing gear round platform can reverse thread each other.
Further, the top of described securing gear 7 can be provided with hexagonal prism shape boss 8.
Further, described supplementary anode 1 can be platinized titanium supplementary anode.
Further, described insulating sheath 2 can be teflon insulation sheath.
Further, above-mentioned first sealing-ring 5 and the second sealing-ring 4 can select Teflon material.
Utility model works principle is as follows:
In the utility model, the perforate cross section of permanent seat 6 is trapezoidal, is threaded with securing gear 7, and tolerance clearance can adopt trapezoidal Teflon first sealing-ring 5 to seal.Supplementary anode 1 bottom platinum plating layer, the coated tetrafluoroethylene insulating sheath 2 of supplementary anode 1 top outer gland sealing; The length of platinum plating layer requires to decide according to cathodic Protection Design, and the length of supplementary anode then carries out suitable adjustment according to the length of manhole, guarantees that the useful area (platinum plating layer segment) of supplementary anode can be deep into pressurized vessel body interior.The supplementary anode 1 of having insulation sheath, to be connected by pipe hoop joint 3 with securing gear 7 and to coordinate, tolerance clearance can adopt Teflon second sealing-ring 4 to guarantee pressure requirements.
Described permanent seat 6, securing gear 7 and pipe hoop joint 4 material are identical, and securing gear 7 internal openings is hollow, are convenient to the leader cable of supplementary anode to draw.
Securing gear 7 is first connected with one end of pipe hoop joint 3 and coordinates, trapezoidal first sealing-ring 5 is put into before connection, then by the supplementary anode 1 of having insulation sheath, be connected with the other end of pipe hoop joint 3, put into the second sealing-ring 4 before connection, guarantee that the tolerance clearance of the centre hole of securing gear 7 and the outside screw of securing gear 7 and permanent seat 6 forms effective sealing, the leader cable 9 of supplementary anode stretches out from the centre hole of securing gear 7, in last overall screw-in permanent seat 6 again, complete macrogamy.
Although be described preferred embodiment of the present utility model by reference to the accompanying drawings above; but the utility model is not limited to above-mentioned embodiment; above-mentioned embodiment is only schematic; be not restrictive; those of ordinary skill in the art is under enlightenment of the present utility model; do not departing under the ambit that the utility model aim and claim protect, can also make a lot of form, these all belong within protection domain of the present utility model.
Claims (9)
1. container and an inner-walls of duct impressed current catholic protection device, is characterized in that, comprises permanent seat, securing gear, supplementary anode and insulating sheath, described insulating sheath and described supplementary anode socket and integral; Described permanent seat has centre hole, the perforate central alignment on its centre hole and container and duct wall, and it welds affixed with container and pipeline outer wall; Described securing gear has centre hole, seals with it affixed in its centre hole inserting described permanent seat; Seal with it affixed in the centre hole that described securing gear is inserted on described insulating sheath top; The leader cable of described supplementary anode is electrically connected with external cable through the centre hole of described securing gear.
2. container according to claim 1 and inner-walls of duct impressed current catholic protection device, it is characterized in that, be greater than the round platform of lower end diameter for upper end diameter in the middle part of described securing gear and be provided with outside screw, described round platform is threaded with the centre hole top of described permanent seat; Described round platform lower surface is provided with boss, is provided with the first sealing-ring at described boss shoulder, by described first sealing-ring sealing between described permanent seat and described securing gear.
3. container according to claim 2 and inner-walls of duct impressed current catholic protection device; it is characterized in that; the centre hole bottom shaft section of described permanent seat is up big and down small trapezoidal, the ladder-shaped sealing ring that described first sealing-ring matches with the centre hole bottom shaft section of described permanent seat.
4. container according to claim 2 and inner-walls of duct impressed current catholic protection device, is characterized in that, also comprise pipe hoop joint, and described pipe hoop joint is provided with internal thread; Described round platform lower surface is provided with cylindrical boss, and described cylindrical boss is provided with outside screw and is connected with the threaded one end of described pipe hoop joint; Described insulating sheath is stepped cylindrical body, and the diameter of its upper, middle and lower three part increases successively, is provided with outside screw and is threaded with the other end of described pipe hoop joint in the middle part of described stepped cylindrical body; The outside screw of described round platform and the outside screw reverse thread each other of described cylindrical boss; Between step shoulder bonding surface in the middle part of described securing gear circular cylindrical projection shoulders and described insulating sheath, sealed by the second sealing-ring.
5. container according to claim 4 and inner-walls of duct impressed current catholic protection device; it is characterized in that; in the middle part of the outside screw of described securing gear cylindrical boss and described insulating sheath, cylindrical outside screw is screw thread in the same way, the outside screw reverse thread each other of the two and described securing gear round platform.
6. container according to claim 1 and inner-walls of duct impressed current catholic protection device, is characterized in that, also comprise pipe hoop joint, and described insulating sheath and described securing gear are tightly connected by described pipe hoop joint.
7. container according to claim 1 and inner-walls of duct impressed current catholic protection device, is characterized in that, the top of described securing gear is provided with hexagonal prism shape boss.
8. container according to claim 1 and inner-walls of duct impressed current catholic protection device, is characterized in that, described supplementary anode is platinized titanium supplementary anode.
9. container according to claim 1 and inner-walls of duct impressed current catholic protection device, is characterized in that, described insulating sheath is teflon insulation sheath.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420666772.4U CN204174282U (en) | 2014-11-10 | 2014-11-10 | A kind of container and inner-walls of duct impressed current catholic protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420666772.4U CN204174282U (en) | 2014-11-10 | 2014-11-10 | A kind of container and inner-walls of duct impressed current catholic protection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204174282U true CN204174282U (en) | 2015-02-25 |
Family
ID=52563106
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420666772.4U Withdrawn - After Issue CN204174282U (en) | 2014-11-10 | 2014-11-10 | A kind of container and inner-walls of duct impressed current catholic protection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204174282U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104328440A (en) * | 2014-11-10 | 2015-02-04 | 天津亿利科能源科技发展股份有限公司 | Impressed current cathodic protection device for inner walls of container and pipeline |
-
2014
- 2014-11-10 CN CN201420666772.4U patent/CN204174282U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104328440A (en) * | 2014-11-10 | 2015-02-04 | 天津亿利科能源科技发展股份有限公司 | Impressed current cathodic protection device for inner walls of container and pipeline |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20150225 Effective date of abandoning: 20161005 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |