CN111963792B

CN111963792B - A prevent spouting leak protection device for tailing pipeline junction

Info

Publication number: CN111963792B
Application number: CN202010879510.6A
Authority: CN
Inventors: 刘津君; 梁钱辉; 江镇鸿
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-08-27
Filing date: 2020-08-27
Publication date: 2022-01-11
Anticipated expiration: 2040-08-27
Also published as: CN111963792A

Abstract

The invention discloses a blowout prevention and leakage prevention device for a tailing conveying pipeline joint, which comprises a connecting main pipe, wherein the connecting main pipe is used for connecting two sections of tailing conveying pipelines; the threaded pipe is provided with an external thread; this device is when connecting, rotate the internal thread circle, limiting displacement through T word pole and T word spout, make screwed pipe and internal thread circle take place relative rotation, after the butt joint of accomplishing house steward and tailing pipeline, through the rotation operation to internal thread circle, make and extend the inner tube and insert to tailing pipeline is inside, laminate with the tailing pipeline inner wall through preceding intubate, thereby the stability of connecting is guaranteed to inside and outside both sides, and then avoid because rock and the injection that reveals that leads to, guarantee the normal transport safety of tailing.

Description

A prevent spouting leak protection device for tailing pipeline junction

Technical Field

The invention relates to a tailing conveying pipeline structure, in particular to a blowout prevention and leakage prevention device for a tailing conveying pipeline joint.

Background

In the ore dressing of mine, 90% of ore species adopt a flotation process, and the flotation process is to carry out the piling up of tailing slurry (the concentration is about 30% generally) after useful minerals are separated out to a tailing pond through a fluid conveying device and a conveying pipeline. When the lifting equipment breaks down, has power failure and normally stops, ore pulp stored in the pipeline must be discharged into the accident pool as soon as possible, so that the pipeline is prevented from being blocked due to deposit and accumulation of slag in the pipeline.

When taking place to block up, not only influence the normal transport work of pipeline, still can lead to the pipe connection department to warp because the increase of pressure, and present tailing pipeline adopts the flange directly to link the mode mostly, when taking place to warp, very easily cause the leakage, chinese patent publication No. CN207989953U has proposed a production pipeline leak protection equipment, adopt the reinforced mode of ring flange in order to guarantee the stability of connecting, reduce the revealing that warp and bring, but the problem that exists is, although the outside has guaranteed the reinforcement, but the deformation of inside can't be solved, still can't avoid the problem of revealing.

Disclosure of Invention

The invention aims to provide a blowout prevention and leakage prevention device for a tailing conveying pipeline joint, which aims to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme:

a blowout prevention and leakage prevention device for a joint of tailing conveying pipelines comprises a connecting main pipe, wherein the connecting main pipe is used for connecting two sections of tailing conveying pipelines, extension inner pipes which are in sliding connection with the connecting main pipe are inserted into the inner sides of two ends of the connecting main pipe, each extension inner pipe comprises a front insertion pipe and a threaded pipe which are integrally formed, the threaded pipes are located inside the connecting main pipe, and the front insertion pipes extend out of the connecting main pipe; the threaded pipe is provided with external threads, an internal thread ring rotationally connected with the threads is sleeved outside the threaded pipe, the internal thread ring is positioned at pipe orifices at two ends of a connecting main pipe, a plurality of outwards convex slide rods are arranged on the contact surface of the internal thread ring and the connecting main pipe, circular grooves are arranged at pipe orifices at two ends of the connecting main pipe, the slide rods are positioned in the circular grooves and are in sliding connection with the circular grooves, one end of the threaded pipe, which is positioned in the connecting main pipe, is provided with a slide ring, the outer side wall of the slide ring is provided with outwards convex T-shaped rods, T-shaped slide grooves which are the same in number as the T-shaped rods and correspond to the T-shaped rods one by one are arranged on the inner wall of the connecting main pipe, and the T-shaped rods are positioned in the T-shaped slide grooves and are in sliding connection with the T-shaped slide grooves; the inner thread ring is provided with sealing rings on two sides, two inserting fixing rods symmetrically arranged on two sides of the front inserting pipe are arranged on the outer wall of the front end of the front inserting pipe, and threaded holes are formed in the outer wall of the front inserting pipe.

A plurality of operation plates are arranged on the outer wall of the inner thread ring along the circumferential direction, and round holes are formed in the operation plates; the upper side and the lower side of the middle part of the connecting main pipe are respectively provided with a lifting cylinder and a back flushing pipe; the top of the lifting cylinder is provided with a driving motor, the output end of the driving motor is connected with a lifting auger rod which extends downwards into the connecting main pipe, the lifting auger rod is provided with a spiral auger blade, the upper part of the side surface of the lifting cylinder is provided with a discharge port, and the discharge port is provided with a sealing plug; the improved backflushing pipe is characterized in that a backflushing liquid connecting port communicated with the inside of the backflushing pipe is arranged on the lower portion of the side face of the backflushing pipe, a sealing cover is arranged on the backflushing liquid connecting port, an intercepting filter screen is arranged at the joint of the backflushing pipe and a connecting header pipe, a lifting plate in sliding connection with the inner wall of the backflushing pipe is arranged below the intercepting filter screen, a plurality of circulation holes are formed in the lifting plate, a fixed sleeve rod is arranged in the center of the top of the lifting plate, an inserting rod in sliding connection with the fixed sleeve rod is arranged in the fixed sleeve rod, and a hammer head is arranged at the top of the inserting rod.

As a preferred embodiment of the present invention: two limiting tables are arranged in the recoil pipe, the limiting tables are annular and are positioned on the upper side and the lower side of the lifting plate, and a plurality of spring rods are arranged between the limiting tables and the lifting plate.

Compared with the prior art, the invention has the beneficial effects that: this device is when connecting, rotate the internal thread circle, limiting displacement through T word pole and T word spout, make screwed pipe and internal thread circle take place relative rotation, after the butt joint of accomplishing house steward and tailing pipeline, through the rotation operation to internal thread circle, make and extend the inner tube and insert to tailing pipeline is inside, laminate with the tailing pipeline inner wall through preceding intubate, thereby the stability of connecting is guaranteed to inside and outside both sides, and then avoid because rock and the injection that reveals that leads to, guarantee the normal transport safety of tailing.

Drawings

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

Fig. 2 is a perspective view of an extended inner tube according to the present invention.

Fig. 3 is a cross-sectional view of a recoil pipe of the present invention.

In the figure, 1-a connecting header pipe, 2-an extending inner pipe, 3-a front insertion pipe, 4-a threaded pipe, 5-an inserting fixing rod, 6-a threaded hole, 7-an inner threaded ring, 8-an operation plate, 9-a sliding rod, 10-a sliding ring, 11-a T-shaped rod, 12-a T-shaped sliding chute, 13-a lifting cylinder, 14-a driving motor, 15-a lifting auger rod, 16-a discharge port, 17-a recoil pipe, 18-a recoil liquid connecting port, 19-an intercepting filter screen, 20-a lifting plate, 21-a limiting table, 22-a circulation hole, 23-a fixing loop bar, 24-a hammer head and 25-an inserting rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example 1:

referring to fig. 1-3, an anti-blowout and anti-leakage device for a tailing conveying pipeline joint comprises a main connecting pipe 1, wherein the main connecting pipe 1 is used for connecting two tailing conveying pipelines, extension inner pipes 2 which are in sliding connection with the main connecting pipe 1 are inserted into the inner sides of the two ends of the main connecting pipe 1, each extension inner pipe 2 comprises a front insertion pipe 3 and a threaded pipe 4 which are integrally formed, the threaded pipes 4 are connected with the inner part of the main connecting pipe 1, the front insertion pipes 3 extend out of the main connecting pipe 1, when the main connecting pipe is connected, the front insertion pipes 3 extend into the tailing conveying pipelines, connection with the tailing conveying pipelines is guaranteed, meanwhile, sealing performance and stability are guaranteed, conventional single external flange connection is distinguished, and leakage caused by bending displacement can be effectively avoided; specifically, the threaded pipe 4 is provided with external threads, an internal threaded ring 7 which is rotationally connected with the threads is sleeved outside the threaded pipe 4, the internal threaded ring 7 is positioned at pipe orifices at two ends of the connecting header pipe 1, a plurality of outwards convex slide rods 9 are arranged on the contact surface of the internal threaded ring 7 and the connecting header pipe 1, circular ring grooves are arranged at pipe orifices at two ends of the connecting header pipe 1, the slide rods 9 are positioned in the circular ring grooves and are slidably connected with the circular ring grooves, one end of the threaded pipe 4, which is positioned in the connecting header pipe 1, is provided with a slide ring 10, the outer side wall of the slide ring 10 is provided with outwards convex T-shaped rods 11, T-shaped slide grooves 12 which are the same as the T-shaped rods 11 in number and correspond to one another are arranged on the inner wall of the connecting header pipe 1, the T-shaped rods 11 are positioned in the T-shaped slide grooves 12 and are slidably connected with the T-shaped slide grooves, when the connection is performed, the internal threaded ring 7 is rotated, the threaded pipe 4 and the internal threaded ring 7 are relatively rotated through the limiting effect of the T-shaped slide grooves 11 and the T-shaped slide grooves 12, after the connection of the main pipe 1 and the tailing conveying pipeline is completed, the inner extension pipe 2 is inserted into the tailing conveying pipeline through the rotation operation of the inner thread ring 7, and is attached to the inner wall of the tailing conveying pipeline through the front insertion pipe 3, so that the connection stability is ensured from the inner side and the outer side, leakage and injection caused by shaking are avoided, and the normal conveying safety of tailings is ensured; specifically, 7 both sides of internal thread circle have the sealing ring, guarantee the leakproofness of connecting house steward 1 after being connected with tailing pipeline, simultaneously, be equipped with the dead lever 5 that inserts that two symmetries set up 3 both sides of intubate in the front on the 3 front end outer walls of preceding intubate, through inserting 5 the inserting in to the tailing pipeline inner wall of dead lever, further guarantee the stability of connecting, set up threaded hole 6 on the 3 outer walls of preceding intubate for carry out the inserting of screw, increase fixed point, guarantee to connect stably.

Further, be equipped with a plurality of operation panels 8 along the circumferencial direction on the 7 outer walls of internal thread circle, seted up the round hole on the operation panel 8, when carrying out the rotation of internal thread circle 7, can conveniently rotate the operation through operation panel 8.

The upper side and the lower side of the middle part of the connecting main pipe 1 are respectively provided with a lifting cylinder 13 and a back flushing pipe 17, and the lifting cylinder 13 and the back flushing pipe 17 are both used for avoiding the damage to the pipeline and the leakage of the pipeline joint caused by overlarge internal pressure due to blockage when the inside of the connecting main pipe 1 is blocked; the top of the lifting cylinder 13 is provided with a driving motor 14, the output end of the driving motor 14 is connected with a lifting auger rod 15 which extends downwards into the connecting main pipe 1, the lifting auger rod 15 is provided with a spiral auger blade, the upper part of the side surface of the lifting cylinder 13 is provided with a discharge port 16, the discharge port 16 is provided with a sealing plug, when the inside of the connecting main pipe 1 is blocked, the driving motor 14 is started to drive the lifting auger rod 15 to rotate and drive the blocking object to rise, and under the extrusion action between the spiral auger blade and the inner wall of the lifting cylinder 13, the blocking object is crushed and then is discharged through the discharge port 16, so that the smoothness of the inside of the connecting main pipe 1 is ensured, the normal conveying of tailings is ensured, and the leakage caused by the increase of the blocking pressure is avoided; the lower part of the side surface of the backflushing pipe 17 is provided with a backflushing liquid connecting port 18 communicated with the inside of the backflushing pipe, the backflushing liquid connecting port 18 is provided with a sealing cover, the backflushing liquid connecting port 18 is used for connecting an external high-pressure water supply pipe, the joint of the backflushing pipe 17 and the connecting main pipe 1 is provided with an intercepting filter screen 19, a lifting plate 20 connected with the inner wall of the backflushing pipe 17 in a sliding way is arranged below the intercepting filter screen 19, the lifting plate 20 is provided with a plurality of circulating holes 22, the center of the top of the lifting plate 20 is provided with a fixed sleeve rod 23, an inserting rod 25 connected with the fixed sleeve rod 23 in a sliding way is arranged in the fixed sleeve rod 23, the top of the inserting rod 25 is provided with a hammer head 24, when blockage occurs, the backflushing liquid connecting port 18 is connected with external high-pressure water supply equipment, the inside of the connecting main pipe 1 is dredged through water backflushing, when high-pressure water flows enter, the high-pressure water flows upwards transfer to impact sundries on the intercepting filter screen 19 through the circulating holes 22, and the high-pressure water flow can lift the lifting plate 20 at the same time, the lifting plate is knocked from the bottom of the intercepting filter screen 19 through the hammer head 24 and is matched with the impact water flow to back flush the blockage, so that the effective dredging in the connecting main pipe 1 is realized.

Example 2:

on embodiment 1's basis, the inside two spacing platforms 21 that are equipped with of recoil pipe 17, spacing platform 21 be the ring shape not with the lifter plate 20 both sides from top to bottom, be equipped with a plurality of spring levers between spacing platform 21 and lifter plate 20, through the setting of spacing platform 21 and spring lever, when carrying out recoil mediation work, can make lifter plate 20 go on reciprocating lift shake in vertical direction to constantly strike and guarantee to dredge fast.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. A blowout prevention and leakage prevention device for a tailing conveying pipeline joint comprises a connecting main pipe (1) and is characterized in that extension inner pipes (2) which are connected with the connecting main pipe in a sliding mode are inserted into the inner sides of the two ends of the connecting main pipe (1), each extension inner pipe (2) comprises a front insertion pipe (3) and a threaded pipe (4) which are integrally formed, each threaded pipe (4) is located inside the connecting main pipe (1), and the front insertion pipes (3) extend out of the connecting main pipe (1); the threaded pipe (4) is provided with external threads, an internal thread ring (7) rotatably connected with the threads is sleeved outside the threaded pipe (4), the internal thread ring (7) is positioned at pipe orifices at two ends of the connecting main pipe (1), a plurality of sliding rods (9) protruding outwards are arranged on the contact surface of the internal thread ring (7) and the connecting main pipe (1), circular ring grooves are formed in pipe orifices at two ends of the connecting main pipe (1), the sliding rods (9) are positioned in the circular ring grooves and are in sliding connection with the circular ring grooves, a sliding ring (10) is arranged at one end of the threaded pipe (4) positioned in the connecting main pipe (1), T-shaped rods (11) protruding outwards are arranged on the outer side wall of the sliding ring (10), T-shaped sliding grooves (12) which are the same in number as the T-shaped rods (11) and correspond to one another one by one are formed in the inner wall of the connecting main pipe (1), and the T-shaped rods (11) are positioned in the T-shaped sliding grooves (12) and are in sliding connection with the T-shaped sliding connection; the inner thread ring (7) is provided with sealing rings on two sides, two inserting fixing rods (5) symmetrically arranged on two sides of the front inserting pipe (3) are arranged on the outer wall of the front end of the front inserting pipe (3), a threaded hole (6) is formed in the outer wall of the front inserting pipe (3), a plurality of operation plates (8) are arranged on the outer wall of the inner thread ring (7) along the circumferential direction, round holes are formed in the operation plates (8), a lifting cylinder (13) and a back flushing pipe (17) are respectively arranged on the upper side and the lower side of the middle of the connecting header pipe (1), a driving motor (14) is arranged at the top of the lifting cylinder (13), the output end of the driving motor (14) is connected with a lifting auger rod (15) extending downwards into the connecting header pipe (1), the lifting auger rod (15) is provided with a spiral auger blade, a discharge port (16) is formed in the upper portion of the side face of the lifting cylinder (13), and the discharge port (16) is provided with a sealing plug, a backflushing liquid connecting port (18) communicated with the interior of the backflushing pipe (17) is arranged at the lower part of the side surface of the backflushing pipe (17), the backflushing liquid connecting port (18) is provided with a sealing cover, an intercepting filter screen (19) is arranged at the joint of the backflushing pipe (17) and the connecting main pipe (1), a lifting plate (20) which is connected with the inner wall of the backflushing pipe (17) in a sliding way is arranged below the intercepting filter screen (19), a plurality of circulation holes (22) are arranged on the lifting plate (20), a fixed loop bar (23) is arranged in the center of the top of the lifting plate (20), an inserting rod (25) which is connected with the fixed loop bar (23) in a sliding way is arranged in the fixed loop bar, the top of the inserting rod (25) is provided with a hammer head (24), two limit platforms (21) are arranged in the back flushing pipe (17), the limit platforms (21) are annular and are positioned at the upper side and the lower side of the lifting plate (20), a plurality of spring rods are arranged between the limiting table (21) and the lifting plate (20).