CN217985504U

CN217985504U - Fuel pipeline static elimination device

Info

Publication number: CN217985504U
Application number: CN202221890874.5U
Authority: CN
Inventors: 邱瑞康
Original assignee: Wuhan University of Technology WUT
Current assignee: Wuhan University of Technology WUT
Priority date: 2022-07-20
Filing date: 2022-07-20
Publication date: 2022-12-06
Anticipated expiration: 2032-07-20

Abstract

The utility model relates to the technical field of static eliminator, in particular to a fuel pipeline static eliminator, which comprises an eliminating pipe and buffer pipes connected with the two ends of the eliminating pipe; a plurality of electricity eliminating needles are arranged in the eliminating pipe, one end of each electricity eliminating needle, which is close to the inner wall of the eliminating pipe, is connected with the mounting seat through the sealing seat, and the side wall of the mounting seat is connected with the extending strip; the side wall of the eliminating pipe is provided with a positioning sleeve, the positioning sleeve is internally provided with a mounting groove for limiting and arranging the mounting seat and a strip-shaped groove for placing the extension strip, and the outer wall of the eliminating pipe is provided with a sealing element for sealing and fixing the mounting seat in the mounting groove; three groups of arc-shaped walls are uniformly arranged on the outer wall of the electricity eliminating needle, and the arc-shaped walls are contacted with the side edge of the electricity eliminating needle; the utility model discloses well electricity dissipation needle can effectively and jet-propelled fuel in the electric charge, and a plurality of electricity dissipation needle is the heliciform and arranges, can effectively respond to out the static charge, reaches breakdown voltage, realizes discharging, produces can and jet-propelled fuel in the electric charge with neutralizing.

Description

Fuel pipeline static elimination device

Technical Field

The utility model relates to an electrostatic eliminator technical field specifically is a fuel line electrostatic eliminator.

Background

During transportation, the liquid petroleum product contacts the pipe wall, a thin layer of double charges with equal and different signs appears on the interface, and if the oil is separated from the solid (the oil flows in the pipe), oil ions contacting the solid can continuously adhere to the solid. The oil layer loses some ions, the solid obtains some ions, the oil is negatively charged, the tube wall is positively charged, and static electricity is formed. When the static electricity in the oil liquid is accumulated to a certain energy, the electric charges in a spark state jump and are compounded with the opposite electric charges of another object across an electric field, and the generated static spark becomes a fire source. The static eliminator is an ion generator, which is a device for generating ions to eliminate the damage of static electricity. The electrostatic eliminator has the advantages that the electrostatic eliminator is a core component of the electrostatic eliminator, and the performance and the arrangement mode of the electrostatic eliminator determine the working effect of the electrostatic eliminator.

For example, in a static electricity eliminating device for a natural gas station disclosed in the prior patent publication No. CN209170716U, starting a threaded blind hole on a connecting flange enables an external static electricity eliminator to be in contact with a metal wall of a gas pipe, thereby eliminating or releasing a load on the wall of the gas pipe; the first discharge needles and the second discharge needles are arranged to release electrostatic loads inside the pipeline.

The device can eliminate static electricity on the wall of the gas pipeline, but the static electricity can still be continuously generated when fuel is conveyed and the fuel is contacted with the pipe wall, and the first discharge needle and the second discharge needle are arranged inside the pipeline, so that the first discharge needle and the second discharge needle are inconvenient to take out and clean and need to be improved. In view of the above problems, a fuel line static electricity eliminating device is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a fuel line neutralization apparatus to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a fuel pipeline static eliminating device comprises an eliminating pipe and buffer pipes connected with the two ends of the eliminating pipe;

a plurality of electricity eliminating needles are installed in the eliminating pipe, one end, close to the inner wall of the eliminating pipe, of each electricity eliminating needle is connected with an installation seat through a closed seat, and the side wall of each installation seat is connected with an extension strip;

the side wall of the eliminating pipe is provided with a positioning sleeve, the positioning sleeve is internally provided with a mounting groove for limiting and arranging the mounting seat and a strip-shaped groove for placing the extension strip, and the outer wall of the eliminating pipe is provided with a sealing element for sealing and fixing the mounting seat in the mounting groove;

three groups of arc-shaped walls are uniformly arranged on the outer wall of the electricity eliminating needle, and the arc-shaped walls are in contact with the side edges of the electricity eliminating needle.

In one alternative: the sealing element comprises a sealing cover and a limiting rod connected in the sealing cover, a limiting groove used for the limiting rod to rotate or slide up and down is arranged in the mounting seat, and external threads matched with the threads of the inner wall of the sealing cover are arranged on the outer wall of the positioning sleeve.

In one alternative: the gag lever post includes slip post and connects the spacing ring in slip post bottom, the position sleeve is including being used for the spacing ring rotation or gliding spacing groove from top to bottom and the round hole that is used for the slip post to pass.

In one alternative: the plurality of electricity eliminating needles are arranged in a spiral array.

In one alternative: the length of the electricity eliminating needle is larger than the inner radius of the eliminating tube, and one end of the electricity eliminating needle, which is far away from the closed seat, is a tip.

In one alternative: the outer diameter of the sealing seat is smaller than that of the mounting seat, and the arc-shaped wall of the sealing seat close to one side of the electricity eliminating needle is matched with the inner wall of the electricity eliminating pipe.

In one alternative: the buffer tube is connected to the flange at an end remote from the relief tube.

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

the utility model discloses well electricity dissipation needle can effectively neutralize the electric charge in the jet fuel, and a plurality of electricity dissipation needles are arranged in the heliciform, can effectively respond to the static charge, reach breakdown voltage, realize discharging, produce the electric charge that can neutralize with the electric charge in the jet fuel;

the utility model has the advantages that the neutral needle is convenient to install, the installation seat and the sealing seat drive the neutral needle to be placed in the interior of the eliminating tube during installation, then the installation seat can be fixed in position through the sealing element, so that the neutral needle is stably placed in the interior of the eliminating tube, and then the neutral needle is convenient to take out and clean;

the utility model discloses be convenient for install and use in fuel conveying pipeline, can set up mounted position and quantity according to the demand.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic structural view of the interior of the pipe of the present invention.

Fig. 3 is a schematic view of a part of the structure of the present invention.

Fig. 4 is a schematic view of the partial cross-sectional structure of the present invention.

Fig. 5 is a schematic cross-sectional structure view of the electricity-eliminating needle of the present invention.

In the figure: 11. eliminating the tube; 12. a buffer tube; 13. a flange; 14. a seal member; 15. a needle for eliminating electricity; 16. a closed seat; 17. a mounting seat; 18. an extension bar; 19. sealing the cover; 20. a limiting rod; 21. a limiting groove; 22. a positioning sleeve; 23. an arcuate wall; 24. and (4) side front.

Detailed Description

Referring to fig. 1-5, in the present embodiment, a fuel pipeline static electricity eliminating apparatus includes an eliminating tube 11, a buffer tube 12 connected to two ends of the eliminating tube 11, a current eliminating pin 15, and a sealing seat 16 connected to an end of the current eliminating pin 15;

the material of the eliminating pipe 11 and the buffer pipe 12 is 312 alloy steel, which has excellent heat resistance, corrosion resistance and impact resistance, the flowing fuel is used as one electrode, the eliminating pipe 11 of the alloy steel is used as the other electrode, and when the fuel flows, the electric charge on the inner wall of the eliminating pipe 11 can be injected into the jet fuel along the eliminating needle 15; the electricity eliminating needle 15 is made of titanium alloy and has excellent wear resistance;

the eliminating tube 11 can be connected with a grounding wire, and when the eliminating pin 15 neutralizes static charges of the fuel, redundant charges with the same polarity flow into the ground through the grounding wire;

as shown in fig. 2, a plurality of the electricity eliminating needles 15 are arranged, as shown in fig. 3, one end of the closed seat 16, which is far away from the electricity eliminating needles 15, is connected with a mounting seat 17, and the side wall of the mounting seat 17 is connected with an extending strip 18;

as shown in fig. 1 and 4, a positioning sleeve 22 is arranged on the side wall of the elimination tube 11, an installation groove for limiting and installing the installation seat 17 and a strip-shaped groove for placing the extension strip 18 are arranged in the positioning sleeve 22, a sealing element 14 for sealing and fixing the installation seat 17 in the installation groove is arranged on the outer wall of the elimination tube 11, a through groove for accommodating the sealing seat 16 can be arranged on the inner wall of the elimination tube 11, and the through groove is communicated with the installation groove;

as shown in fig. 5, three groups of arc-shaped walls 23 are uniformly arranged on the outer wall of the electricity eliminating needle 15, and the arc-shaped walls 23 contact the side sharp 24 of the electricity eliminating needle 15; the side front 24 can neutralize static charges in oil products, and the effect of static induction is improved;

in the embodiment, fuel is input into the eliminating tube 11 through the buffer tube 12, discharge is generated between the electricity eliminating needle 15 and jet fuel, charges in the jet fuel are neutralized, and static electricity is effectively removed by combining the tip discharge effect and the turbulence effect of the electricity eliminating needle 15.

In one embodiment, as shown in fig. 3 and 4, the sealing element 14 includes a sealing cover 19 and a limiting rod 20 connected in the sealing cover 19, a limiting groove 21 for the limiting rod 20 to rotate or slide up and down is provided in the mounting seat 17, and an external thread in threaded fit with an inner wall of the sealing cover 19 is provided on an outer wall of the positioning sleeve 22;

when arranging mount pad 17 in the mounting groove, the electricity needle 15 that disappears is thereupon arranged in and is eliminated inside tub 11, and when mount pad 17 installed, should aim at extension strip 18 and bar groove, and the installation is accomplished the back, can rotate closing cap 19, and mount pad 17 receives the restriction of extension strip 18, can not rotate, and later closing cap 19 is connected with position sleeve 22, can the position of fixed mounting seat 17, and when follow-up closing cap 19 took out, can take out mount pad 17 thereupon.

In one embodiment, as shown in fig. 4, the stop rod 20 includes a sliding column and a stop collar connected to the bottom of the sliding column, and the positioning sleeve 22 includes a stop groove for the stop collar to rotate or slide up and down and a circular hole for the sliding column to pass through; by means of the restraining bar 20, the cover 19 does not become detached from the mounting 17.

In one embodiment, as shown in fig. 1, the plurality of static elimination pins 15 are arranged in a spiral array, and the plurality of static elimination pins 15 are arranged in a spiral shape, so that static charges can be effectively induced, breakdown voltage can be reached, discharge can be realized, and charges capable of neutralizing charges in jet fuel can be generated.

In one embodiment, the length of the electricity eliminating needle 15 is larger than the inner radius of the electricity eliminating tube 11, the end of the electricity eliminating needle 15 far away from the closed seat 16 is pointed, the electric charge density at the pointed end of the electricity eliminating needle 15 is the largest, the electric field nearby is the strongest, when the electric field intensity at the pointed end is increased enough to break down the fuel, electric discharge is generated, and ions generated by the electric discharge are neutralized with static charges attached in the fuel.

In one embodiment, the outer diameter of the closed seat 16 is smaller than that of the mounting seat 17, and the arc-shaped wall of the closed seat 16 on the side close to the electricity elimination needle 15 is matched with the inner wall of the elimination tube 11.

In one embodiment, as shown in FIG. 1, the buffer tube 12 is attached to the flange 13 at an end remote from the relief tube 11 to facilitate installation of the device in a pipeline.

The utility model discloses during the use, install in fuel conveying pipeline, can set up mounted position and quantity according to the demand, also can install in the fuel exit, when arranging mount pad 17 in the mounting groove, the electricity dissipation needle 15 is arranged in along with and is eliminated inside pipe 11, when mount pad 17 installs, should extend 18 and aim at with the bar groove, after the installation, can rotate closing cap 19, mount pad 17 receives the restriction that extends 18, can not rotate, later closing cap 19 is connected with position sleeve 22, can fixed mounting seat 17's position, inside fuel eliminates pipe 11 through buffer tube 12 input, a plurality of electricity dissipation needle 15 is the heliciform and arranges, can effectively respond to out the static charge, reach breakdown voltage, realize discharging, produce the charge that can with jet fuel in the charge, electricity dissipation needle 15 inclines the cutting edge 24 can with the static charge in the oil that falls, improve the effect of static induction.

Claims

1. A fuel line static elimination device comprises an elimination pipe (11) and buffer pipes (12) connected to two ends of the elimination pipe (11);

the method is characterized in that: a plurality of electricity eliminating needles (15) are installed in the eliminating tube (11), one end, close to the inner wall of the eliminating tube (11), of each electricity eliminating needle (15) is connected with a mounting seat (17) through a sealing seat (16), and the side wall of each mounting seat (17) is connected with an extending strip (18);

the side wall of the eliminating pipe (11) is provided with a positioning sleeve (22), a mounting groove for limiting and arranging the mounting seat (17) and a strip-shaped groove for placing the extension strip (18) are formed in the positioning sleeve (22), and a sealing element (14) for sealing and fixing the mounting seat (17) in the mounting groove is arranged on the outer wall of the eliminating pipe (11);

three groups of arc-shaped walls (23) are uniformly arranged on the outer wall of the electricity-eliminating needle (15), and the arc-shaped walls (23) are in contact with the side edges (24) of the electricity-eliminating needle (15).

2. The fuel line static elimination apparatus of claim 1, wherein: sealing member (14) are including closing cap (19) and connecting gag lever post (20) in closing cap (19), be equipped with in mount pad (17) and be used for gag lever post (20) to rotate or gliding spacing groove (21) from top to bottom, eliminate pipe (11) outer wall connection position sleeve (22), position sleeve (22) inside and mounting groove intercommunication, position sleeve (22) outer wall be equipped with closing cap (19) inner wall screw-thread fit's external screw thread.

3. A fuel line static elimination device according to claim 2, wherein: the limiting rod (20) comprises a sliding column and a limiting ring connected to the bottom of the sliding column, and the locating sleeve (22) comprises a limiting groove used for the limiting ring to rotate or slide up and down and a round hole used for the sliding column to penetrate through.

4. The fuel line static elimination apparatus of claim 1, wherein: the plurality of electricity eliminating needles (15) are arranged in a spiral array.

5. The fuel line static elimination apparatus of claim 1, wherein: the length of the electricity eliminating needle (15) is larger than the inner radius of the eliminating tube (11), and one end of the electricity eliminating needle (15) far away from the closed seat (16) is a pointed end.

6. The fuel line static elimination apparatus of claim 1, wherein: the outer diameter of the closed seat (16) is smaller than that of the mounting seat (17), and the arc-shaped wall of the closed seat (16) close to one side of the electricity eliminating needle (15) is matched with the inner wall of the electricity eliminating pipe (11).

7. The fuel line static elimination apparatus of claim 1, wherein: the buffer tube (12) is connected to a flange (13) at the end remote from the release tube (11).