CN216614854U

CN216614854U - Cathode protection device for protecting inner wall of sleeve

Info

Publication number: CN216614854U
Application number: CN202123242948.2U
Authority: CN
Inventors: 闫文科; 闫宇; 刘述进; 闫文鹏; 冯涛; 刘伟
Original assignee: Tianxin Pipe Technology Group Co ltd
Current assignee: Tianxin Pipe Technology Group Co ltd
Priority date: 2021-12-22
Filing date: 2021-12-22
Publication date: 2022-05-27
Anticipated expiration: 2031-12-22

Abstract

The utility model discloses a cathode protection device for the inner wall of a protection sleeve, and relates to the technical field of pipeline cathode protection. This cathodic protection device of protective case inner wall, includes the pipeline, the pipeline scribbles on the surface and has corrosion resistant coating, and the both ends difference fixedly connected with flange of pipeline, the inside blow off pipe that communicates each other of fixedly connected with on the pipeline, the blow off pipe do not have with the one end fixed thread connection of pipeline contact deposit the box, the last fixedly connected with of pipeline and the inside bushing pipe that communicates with each other mutually, the inside of bushing pipe is provided with dismouting mechanism. This cathodic protection device of protective case inner wall, carousel drive dead lever and fixture block rotate, therefore the fixture block breaks away from and retracts into the inside in built-in groove from the inside of draw-in groove, accomplishes between dead lever and the bushing pipe and breaks away from this moment, and then can be convenient take out the positive pole piece from the inside of pipeline, consequently make the change and the maintenance of positive pole piece convenient and fast more.

Description

Cathode protection device for protecting inner wall of sleeve

Technical Field

The utility model relates to the technical field of pipeline cathode protection, in particular to a cathode protection device for protecting the inner wall of a sleeve.

Background

The combined application of cathodic protection and coating layer can make underground or underwater metal structure obtain the most economic and effective protection, the cathodic protection is an electrochemical protection technique for preventing metal from corroding in dielectric medium (seawater, fresh water and soil, etc.), and its basic principle is that a certain direct current is applied to the surface of protected metal to make it produce cathodic polarization, and when the potential of metal is negative to a certain potential value, the anodic dissolution process of corrosion can be effectively inhibited.

Patent application No. CN201620339267.8 discloses a steel riser cathodic protection device, through using among this technical scheme to support the clamp, sacrifice the anode network, anticorrosive coating, the riser, the electrolyte filling layer, structure cooperation such as mechanical protection casing, solve the part of soaking in the sea water and regard as the anode, corrode serious problem, but the anode is in long-term use among this technical scheme, be not convenient for overhaul and change it, consequently when the unable normal use of anode, just need carry out whole change to it, the expenditure of the very big increase cost of this kind of mode, the pipeline is the good state simultaneously, consequently also cause the wasting of resources of certain degree.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve at least one technical problem in the prior art, and provides a cathode protection device for protecting the inner wall of a sleeve, which can solve the problem that an anode is inconvenient to repair and replace in long-term use.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a cathodic protection device of protective case inner wall, includes the pipeline, the pipeline scribbles on the surface and has corrosion resistant coating, and the both ends difference fixedly connected with flange of pipeline, the inside blow off pipe that communicates each other of fixedly connected with it on the pipeline, the blow off pipe do not have with the one end fixed thread connection of pipeline contact and deposit the box, the last fixedly connected with of pipeline and the inside bushing pipe that communicates with each other mutually, the inside of bushing pipe is provided with dismouting mechanism, the inside of pipeline is provided with filtering mechanism.

Preferably, the filtering mechanism includes the filter of fixed connection on the pipeline inner wall, and the left side of filter is rotated and is connected with the pivot, and the pivot is not for conical promotion piece with the one end fixed connection of filter contact, promotes the piece set up on the surface have for spiral helicine helping hand groove, promote fixedly connected with brush on the piece.

Preferably, dismouting mechanism is including setting up the dead lever in the inside bushing pipe, the upper end fixedly connected with carousel of dead lever, the lower extreme of dead lever is provided with the positive pole piece, be provided with the power cord on the dead lever, the power cord is connected with the positive pole piece electricity, built-in groove has been seted up on the dead lever, the inside fixedly connected with bracing piece in built-in groove that the dead lever was seted up, be provided with the fixture block on the bracing piece, the equal arc in both ends of fixture block, the rotation hole has been seted up on the fixture block, the fixture block rotates through the rotation hole of seting up and connects on the bracing piece, torque spring has been cup jointed in the activity on the bracing piece, torque spring's both ends difference fixed connection is on the inner wall that rotates the hole and the bracing piece on the surface.

Preferably, the upper end of the liner tube is provided with a conical opening, the inner wall of the opening formed in the liner tube is provided with friction grains, and the inner wall of the liner tube is provided with arc-shaped clamping grooves matched with the clamping blocks.

Compared with the prior art, the utility model has the beneficial effects that:

(1) this cathodic protection device of protective sheath inside pipe wall, be connected with the electricity of power cord through the positive pole piece that sets up, consequently, consumption through constantly dissolving of positive pole piece, thereby reach the effect of protection pipeline inner wall, and then realize the cathodic protection of sacrificial anode method, when needs are changed and are maintained the positive pole piece, only need rotate the carousel, the carousel drives the dead lever and rotates with the fixture block, consequently, the fixture block breaks away from and retracts the inside of built-in groove from the inside of draw-in groove, accomplish between dead lever and the bushing pipe and break away from this moment, and then can be convenient take out the positive pole piece from the inside of pipeline, consequently, make the change and the maintenance to the positive pole piece convenient and fast more.

(2) This a cathode protection device of protective sheath inside pipe wall, when the inside of pipeline is reinserted through the bushing pipe with the dead lever to needs, at first with fixture block and open-ended inner wall contact, consequently, rotate the carousel, the rotation of carousel drives the dead lever and rotates, consequently along with the continuous reduction of opening diameter, and the friction line that sets up, consequently, make the continuous inside of inserting the built-in groove of fixture block, consequently, move to the position at draw-in groove place when the fixture block, torsion spring drives the fixture block and resets, consequently, the inside of draw-in groove is gone into to the fixture block card once more, consequently, accomplish the fixed and installation to the positive pole piece, consequently, make more convenient and fast when the installation of positive pole piece, unnecessary operating procedure has been reduced simultaneously.

(3) This cathodic protection device of protective sheath inside of tubes wall, through the promotion piece that sets up, consequently when the inside liquid of pipeline flows, the impulsive force that the liquid flow produced is used in promoting the piece, consequently liquid and spiral helicine helping hand groove contact, consequently the impact force makes to promote the piece and drives the brush and rotate, and then the brush clears up the filter, avoids the filter blocking phenomenon to appear, consequently ensures the filter effect to liquid.

(4) This cathodic protection device of protective sheath inside of tubes wall, through the sediment box that sets up, consequently the impurity under the brush clearance enters into the inside of deposiing the box through the blow off pipe and deposits, consequently realizes the collection to impurity, when needs carry out overall treatment to impurity, only need rotate to deposit the box and make it break away from with the blow off pipe, and then just can carry out holistic processing to the impurity of depositing box inside, consequently make impurity more convenient and fast when the clearance.

Drawings

The utility model is further illustrated with reference to the following figures and examples:

FIG. 1 is a schematic structural view of a cathodic protection device for protecting the inner wall of a casing according to the present invention;

FIG. 2 is a schematic front view of the duct of the present invention;

FIG. 3 is a schematic view of the liner of the present invention;

FIG. 4 is a schematic view of a fixing rod according to the present invention;

FIG. 5 is an enlarged view of the structure of FIG. 4 according to the present invention.

Reference numerals: 1 pipeline, 101 corrosion-resistant coating, 102 connecting flange, 2 liner pipe, 201 clamping groove, 202 friction lines, 203 opening, 3 fixing rod, 301 turntable, 302 built-in groove, 303 supporting rod, 304 clamping block, 305 rotating hole, 306 torsion spring, 4 anode block, 5 power line, 6 filtering plate, 601 rotating shaft, 602 pushing block, 603 power assisting groove, 604 brush, 7 blow-off pipe and 701 depositing box.

Detailed Description

Reference will now be made in detail to the present preferred embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to like elements throughout.

The first embodiment is as follows:

referring to fig. 1-2, the present invention provides a technical solution: the utility model provides a cathodic protection device of protective case inner wall, including pipeline 1, pipeline 1 coats on the surface and is coated with corrosion resistant coating 101, pipeline 1's both ends difference fixedly connected with flange 102, the inside blow off pipe 7 that communicates each other of fixedly connected with it on pipeline 1, blow off pipe 7 does not have with the one end fixed thread connection of pipeline 1 contact and deposits box 701, pipeline 1's last fixedly connected with its inside liner pipe 2 that communicates each other, the inside of liner pipe 2 is provided with dismouting mechanism, the inside of pipeline 1 is provided with filtering mechanism.

Wherein, be provided with the valve on the blow off pipe 7, when deposiing box 701 and blow off pipe 7 and being connected, the valve is for opening the form, and when needs are separated with blow off pipe 7 to deposiing box 701, the valve is off-state, when consequently avoiding deposiing box 701 and blow off pipe 7 separation, the inside liquid of pipeline 1 flows through blow off pipe 7, consequently avoids the inside liquid seepage of pipeline 1, and then the safety when ensureing to carry.

The filter mechanism includes filter 6 of fixed connection on the pipeline 1 inner wall, and the left side of filter 6 is rotated and is connected with pivot 601, and pivot 601 is not for conical promotion piece 602 with the one end fixed connection of filter 6 contact, promotes the piece 602 set up on the surface have for spiral helicine helping hand groove 603, promote fixedly connected with brush 604 on the piece 602.

Through the promotion piece 602 that sets up, consequently when pipeline 1 inside liquid flows, the impulsive force that the liquid flow produced is used in promoting piece 602, consequently liquid and spiral helicine helping hand groove 603 contact, and consequently the impact force makes and promotes piece 602 and drive brush 604 and rotate, and then brush 604 clears up filter 6, avoids filter 6 to appear blocking phenomenon, consequently ensures the filter effect to liquid.

Through the setting deposit box 701, consequently the impurity under the clearance of brush 604 enters into the inside of depositing box 701 through blow off pipe 7 and deposits, consequently realizes the collection to impurity, when needs carry out overall treatment to impurity, only need rotate and deposit box 701 and make it break away from with blow off pipe 7, and then just can carry out holistic processing to the impurity of depositing box 701 inside, consequently makes impurity convenient and fast more when the clearance.

Example two;

referring to fig. 3-5, on the basis of the first embodiment, the disassembling and assembling mechanism includes a fixing rod 3 disposed inside the liner tube 2, a rotating disc 301 is fixedly connected to an upper end of the fixing rod 3, an anode block 4 is disposed at a lower end of the fixing rod 3, a power line 5 is disposed on the fixing rod 3, and the power line 5 is electrically connected to the anode block 4.

Furthermore, the fixing rod 3 is provided with an internal groove 302, the internal fixedly connected with supporting rod 303 of the internal groove 302 provided by the fixing rod 3 is provided with a clamping block 304 on the supporting rod 303, the two ends of the clamping block 304 are arc-shaped, the clamping block 304 is provided with a rotating hole 305, the clamping block 304 is rotatably connected to the supporting rod 303 through the rotating hole 305 provided, the supporting rod 303 is movably sleeved with a torsion spring 306, and the two ends of the torsion spring 306 are fixedly connected to the inner wall of the rotating hole 305 and the surface of the supporting rod 303 respectively.

The upper end of liner pipe 2 is seted up has for conical opening 203, is provided with friction line 202 on the inner wall of the opening 203 that liner pipe 2 seted up, sets up the arc draw-in groove 201 with fixture block 304 mutual adaptation on the inner wall of liner pipe 2.

Through the positive pole piece 4 that sets up and the electricity of power cord 5 be connected, consequently, through the continuous dissolution consumption of positive pole piece 4, thereby reach the effect of protection pipeline inner wall, and then realize the cathodic protection of sacrificial anode method, when needs are changed and are maintained positive pole piece 4, only need rotate carousel 301, carousel 301 drives dead lever 3 and fixture block 304 and rotates, consequently fixture block 304 breaks away from and retracts into the inside of built-in groove 302 from the inside of draw-in groove 201, accomplish between dead lever 3 and the bushing pipe 2 and break away from this moment, and then can be convenient take out positive pole piece 4 from the inside of pipeline 1, consequently make the change and the maintenance to positive pole piece 4 convenient and fast more.

When the fixing rod 3 needs to be inserted into the pipeline 1 again through the liner tube 2, the fixture block 304 is firstly contacted with the inner wall of the opening 203, so that the rotary disc 301 is rotated, the rotation of the rotary disc 301 drives the fixing rod 3 to rotate, and therefore, the diameter of the opening 203 is continuously reduced, and the friction lines 202 are arranged, so that the fixture block 304 is continuously retracted into the inner groove 302, when the fixture block 304 moves to the position of the clamping groove 201, the torsion spring 306 drives the fixture block 304 to reset, so that the fixture block 304 is clamped into the clamping groove 201 again, fixing and installation of the anode block 4 are completed, and meanwhile, the surface of the fixing rod 3 is provided with the sealing gasket, so that the sealing performance between the liner tube and the fixing rod 3 is ensured.

Through the filter 6 that sets up, can effectually block the filtration to the impurity that anode block 4 decomposed down, consequently avoid impurity to follow liquid and flow, and then avoid causing the pollution to liquid, consequently ensure the safety among the liquid transportation process.

The working principle is as follows: through the positive pole piece 4 that sets up and the electricity of power cord 5 be connected, consequently, through the continuous dissolution consumption of positive pole piece 4, thereby reach the effect of protection pipeline inner wall, and then realize the cathodic protection of sacrificial anode method, when needs are changed and are maintained positive pole piece 4, only need rotate carousel 301, carousel 301 drives dead lever 3 and fixture block 304 and rotates, consequently fixture block 304 breaks away from and retracts into the inside of built-in groove 302 from the inside of draw-in groove 201, accomplish between dead lever 3 and the bushing pipe 2 and break away from this moment, and then can be convenient take out positive pole piece 4 from the inside of pipeline 1, consequently make the change and the maintenance to positive pole piece 4 convenient and fast more.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the gist of the present invention.

Claims

1. The utility model provides a cathodic protection device of protective case inner wall, includes pipeline (1), its characterized in that: the pipeline comprises a pipeline body (1), wherein corrosion-resistant paint (101) is coated on the surface of the pipeline body (1), two ends of the pipeline body (1) are respectively and fixedly connected with a connecting flange (102), a sewage discharge pipe (7) is fixedly connected with the pipeline body (1) and is communicated with the inside of the pipeline body, the sewage discharge pipe (7) is not connected with a precipitation box (701) through fixed threads at one end of the pipeline body (1), an upper fixedly connected pipe (2) of the pipeline body (1) and is communicated with the inside of the pipeline body, a dismounting mechanism is arranged inside the lining pipe (2), and a filtering mechanism is arranged inside the pipeline body (1).

2. A cathodic protection device for protecting the inside wall of a casing as defined in claim 1 wherein: the filter mechanism comprises a filter plate (6) fixedly connected to the inner wall of the pipeline (1), a rotating shaft (601) is rotatably connected to the left side of the filter plate (6), the rotating shaft (601) is not fixedly connected with one end, which is in contact with the filter plate (6), of a pushing block (602), a spiral power-assisted groove (603) is formed in the surface of the pushing block (602), and a brush (604) is fixedly connected to the pushing block (602).

3. A cathodic protection device for protecting the inside wall of a casing as defined in claim 2 wherein: the disassembly and assembly mechanism comprises a fixing rod (3) arranged inside the liner tube (2), a turntable (301) is fixedly connected to the upper end of the fixing rod (3), an anode block (4) is arranged at the lower end of the fixing rod (3), a power line (5) is arranged on the fixing rod (3), and the power line (5) is electrically connected with the anode block (4).

4. A cathodic protection device for the inner wall of a protective sleeve as defined in claim 3, wherein: the fixing rod (3) is provided with an internal groove (302), a supporting rod (303) is fixedly connected inside the internal groove (302) formed in the fixing rod (3), a clamping block (304) is arranged on the supporting rod (303), and two ends of the clamping block (304) are arc-shaped.

5. The cathodic protection device of claim 4, wherein: the rotating hole (305) is formed in the clamping block (304), the clamping block (304) is rotatably connected to the supporting rod (303) through the rotating hole (305), the torsion spring (306) is movably sleeved on the supporting rod (303), and two ends of the torsion spring (306) are fixedly connected to the inner wall of the rotating hole (305) and the surface of the supporting rod (303) respectively.

6. A cathodic protection device for protecting the inside wall of a casing as claimed in claim 5 wherein: an opening (203) which is conical is formed in the upper end of the liner tube (2), friction grains (202) are arranged on the inner wall of the opening (203) formed in the liner tube (2), and arc-shaped clamping grooves (201) which are matched with the clamping blocks (304) are formed in the inner wall of the liner tube (2).