CN113446459B - Wear-proof device for pulverized coal pipeline - Google Patents

Wear-proof device for pulverized coal pipeline Download PDF

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Publication number
CN113446459B
CN113446459B CN202110920828.9A CN202110920828A CN113446459B CN 113446459 B CN113446459 B CN 113446459B CN 202110920828 A CN202110920828 A CN 202110920828A CN 113446459 B CN113446459 B CN 113446459B
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China
Prior art keywords
pipeline
connecting rod
iron powder
pulverized coal
coal
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CN202110920828.9A
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Chinese (zh)
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CN113446459A (en
Inventor
赵宗德
高海军
魏利涛
邓磊
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Hebei Xibaipo Power Generation Co ltd
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Hebei Xibaipo Power Generation Co ltd
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Priority to CN202110920828.9A priority Critical patent/CN113446459B/en
Publication of CN113446459A publication Critical patent/CN113446459A/en
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L58/00—Protection of pipes or pipe fittings against corrosion or incrustation
    • F16L58/02—Protection of pipes or pipe fittings against corrosion or incrustation by means of internal or external coatings
    • F16L58/04—Coatings characterised by the materials used
    • F16L58/08—Coatings characterised by the materials used by metal
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G53/00—Conveying materials in bulk through troughs, pipes or tubes by floating the materials or by flow of gas, liquid or foam
    • B65G53/34—Details
    • B65G53/36—Arrangements of containers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G53/00—Conveying materials in bulk through troughs, pipes or tubes by floating the materials or by flow of gas, liquid or foam
    • B65G53/34—Details
    • B65G53/40—Feeding or discharging devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G53/00—Conveying materials in bulk through troughs, pipes or tubes by floating the materials or by flow of gas, liquid or foam
    • B65G53/34—Details
    • B65G53/40—Feeding or discharging devices
    • B65G53/50—Pneumatic devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G53/00—Conveying materials in bulk through troughs, pipes or tubes by floating the materials or by flow of gas, liquid or foam
    • B65G53/34—Details
    • B65G53/52—Adaptations of pipes or tubes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L3/00—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets
    • F16L3/08—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets substantially surrounding the pipe, cable or protective tubing
    • F16L3/10—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets substantially surrounding the pipe, cable or protective tubing divided, i.e. with two or more members engaging the pipe, cable or protective tubing
    • F16L3/11—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets substantially surrounding the pipe, cable or protective tubing divided, i.e. with two or more members engaging the pipe, cable or protective tubing and hanging from a pendant
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G2201/00—Indexing codes relating to handling devices, e.g. conveyors, characterised by the type of product or load being conveyed or handled
    • B65G2201/04—Bulk
    • B65G2201/045—Sand, soil and mineral ore

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Non-Mechanical Conveyors (AREA)
  • Chutes (AREA)

Abstract

The invention provides a coal powder pipeline anti-abrasion device, which belongs to the technical field of pipeline welding and comprises iron powder, a magnet and a material supplementing assembly, wherein the iron powder is arranged in a coal powder pipeline and is easy to erode and wear by coal powder, the magnet is arranged on the outer wall of the coal powder pipeline, the magnet is used for magnetically attracting the iron powder in the coal powder pipeline, the iron powder is attracted to the inner wall of the coal powder pipeline and is suitable for resisting the erode and wear of the coal powder to the coal powder pipeline during conveying, the material supplementing assembly is provided with a material supplementing hole communicated with the inner part of the coal powder pipeline, the iron powder can be input into the coal powder pipeline through the material supplementing hole, and a detachable plug is arranged in the material supplementing hole. The coal powder pipeline anti-abrasion device provided by the invention solves the technical problems of high cost, short service cycle and difficult online maintenance and operation of coal powder pipeline anti-abrasion treatment, and has the technical effects of low cost of coal powder pipeline anti-abrasion treatment, firm magnetic attraction of iron powder, timely supplement of iron powder, long service time of anti-abrasion treatment, simple online maintenance and operation and effective prevention of coal powder pipeline abrasion.

Description

Wear-proof device for pulverized coal pipeline
Technical Field
The invention belongs to the technical field of wear prevention of pulverized coal pipelines, and particularly relates to a wear prevention device for a pulverized coal pipeline.
Background
At present, a pulverized coal pipeline is a pipeline for conveying pulverized coal used by a boiler of a thermal power plant, the pulverized coal is easy to wear the interior of the pipeline, and the prior art starts with changing the appearance structure of the pipeline and increasing an anti-abrasion coating or an anti-abrasion paint on the inner wall of the pipeline so as to carry out anti-abrasion treatment on the pulverized coal pipeline. When the wear-resistant coating is seriously worn by the pulverized coal, the coating needs to be recoated, and the use of the pulverized coal pipeline is stopped for wear-resistant treatment. The above abrasion-proof treatment methods have the following defects: high anti-abrasion treatment cost, short service cycle, difficult online maintenance and operation and the like.
Disclosure of Invention
The invention aims to provide a wear-resistant device for a pulverized coal pipeline, and aims to solve the technical problems of high cost, short service cycle and difficult online maintenance and operation of wear-resistant treatment of the pulverized coal pipeline.
In order to achieve the purpose, the invention adopts the technical scheme that: the anti-abrasion device for the coal powder pipeline comprises iron powder, a magnet and a material supplementing assembly, wherein the iron powder is arranged in the coal powder pipeline and is easy to erode and abrade by coal powder; the magnet is arranged on the outer wall of the pulverized coal pipeline, generates magnetic force and magnetically attracts iron powder in the pulverized coal pipeline, and the iron powder is attracted to the inner wall of the pulverized coal pipeline and is suitable for resisting scouring abrasion of pulverized coal to the pulverized coal pipeline in conveying; the feeding assembly is provided with a feeding hole communicated with the inside of the pulverized coal pipeline, iron powder can be input into the pulverized coal pipeline through the feeding hole, and a detachable plug is arranged in the feeding hole.
In one possible implementation, a heat insulation pad is arranged on the outer wall of the pulverized coal pipeline, and the magnet is arranged on the outer wall of the heat insulation pad and penetrates through the heat insulation pad to attract the iron powder.
In a possible implementation mode, a support frame is arranged outside the pulverized coal pipeline, a sliding rail is arranged in the length direction of the support frame, the sliding rail is arranged in the length direction of the pulverized coal pipeline, a fixing component suitable for being connected and fixed to the magnet is arranged on the sliding rail, and the magnet can move in the length direction of the pulverized coal pipeline by means of the fixing component so as to resist the erosion abrasion of pulverized coal at different positions on the pulverized coal pipeline.
In a possible implementation manner, a feeding assembly is slidably arranged on the sliding rail, a feeding pipe suitable for conveying iron powder into the feeding holes is arranged on the feeding assembly, and the feeding pipe can move along the length direction of the coal powder pipeline by means of the feeding assembly so as to feed the iron powder into the feeding holes at different positions.
In a possible implementation mode, the feeding assembly further comprises a first sliding block connected to the sliding rail, a first telescopic rod hung at the lower end of the first sliding block, a first electric rotating table arranged at the bottom end of the first telescopic rod and a storage bin arranged at the lower end of the first electric rotating table, the feeding pipe is communicated with the bottom of the storage bin, the feeding pipe is suitable for being inserted into the material supplementing hole, iron powder is contained in the storage bin, and the feeding pipe can move along the length direction of the coal powder pipeline by means of the first sliding block, can vertically adjust the height by means of the first telescopic rod, can circumferentially rotate in the horizontal plane by means of the first electric rotating table, so that the butt joint position of the material supplementing hole can be adjusted.
In a possible implementation, the upper end of storage silo with through a plurality of spring coupling between the first electric rotating platform lower extreme, one side of storage silo be equipped with be used for to the conveying pipeline of input iron powder in the storage silo, the outside of storage silo is equipped with the vibration exciter, the vibration exciter is suitable for the drive the storage silo vibration and drive are located the inside iron powder of storage silo to remove in the inlet pipe, the spring is used for the buffering the storage silo vibration, be equipped with the air-blowing bag on the inlet pipe, the air-blowing bag is compressed the back, the iron powder with the help of atmospheric pressure be suitable for to the downthehole input iron powder of feed supplement.
In a possible implementation manner, a second sliding block is arranged on the sliding rail in a sliding mode, the bottom end of the second sliding block is connected with a second telescopic rod, the bottom end of the second telescopic rod is connected with a second electric rotating table, the lower end rotating end of the second electric rotating table is connected with a fixing assembly, and the fixing assembly is suitable for being connected and fixed with the magnet to the pulverized coal pipeline or the heat insulation pad.
In a possible implementation mode, the slide rail is provided with a third slider in a sliding manner, the bottom end of the third slider is connected with a third electric rotating platform, the lower end of the third electric rotating platform is connected with a manipulator, and the manipulator is suitable for fixing the heat insulation pad to a pulverized coal pipeline to prevent the heat insulation pad from loosening.
In a possible implementation manner, the manipulator includes a first connecting rod, a second connecting rod, a third connecting rod, a sleeve, a fourth electric rotating table, a third telescopic rod and a clamping portion, one end of the first connecting rod is connected to the rotating end of the third electric rotating table, and the other end of the first connecting rod is a free end; one end of a second connecting rod is hinged with the free end of the first connecting rod, the other end of the second connecting rod is a free end, and the rotating angle of the second connecting rod relative to the first connecting rod is adjustable; one end of a third connecting rod is hinged with the free end of the second connecting rod, the other end of the third connecting rod is a free end, and the rotating angle of the third connecting rod relative to the second connecting rod is adjustable; the sleeve is sleeved on the free end of the third connecting rod and can axially rotate around the third connecting rod, and the sleeve can also axially move on the third connecting rod; the fourth electric rotating table is hinged to the outer wall of the sleeve through a connecting rod and can circumferentially rotate in the horizontal plane; the third telescopic rod is vertically arranged, one end of the third telescopic rod is connected to the rotating end of the fourth electric rotating table, and the other end of the third telescopic rod is a free end; the clamping part is arranged at the free end of the third telescopic rod and is suitable for clamping and fixing the heat insulation pad to the outer wall of the pulverized coal pipeline, and the clamping position of the clamping part is arranged on the third sliding block, the third electric rotating platform, the second connecting rod, the third connecting rod, the fourth electric rotating platform, the third telescopic rod and the sleeve are adjusted.
In a possible implementation manner, a long strip-shaped through hole is formed in the sliding rail along the length direction, a conveying assembly is arranged at the upper end of the sliding rail and can convey the sliding rail in a reciprocating manner, a shifting rod is arranged at the conveying end of the conveying assembly and penetrates through the long strip-shaped through hole, and the lower end of the shifting rod is fixedly connected to the sliding end of the feeding assembly so as to drive the feeding assembly to slide; the upper end of the supporting frame is detachably connected with a photovoltaic power supply assembly used for providing electric energy to supply power for a load.
The coal powder pipeline anti-abrasion device provided by the invention has the beneficial effects that: compared with the prior art, the coal powder pipeline anti-abrasion device comprises iron powder, a magnet and a material supplementing assembly, wherein the iron powder is arranged in the coal powder pipeline and is easy to be scoured and worn by coal powder, the magnet is arranged on the outer wall of the coal powder pipeline to generate magnetic force and magnetically attract the iron powder positioned in the coal powder pipeline, the iron powder is attracted to the inner wall of the coal powder pipeline and is suitable for resisting the scouring and wear of the coal powder to the coal powder pipeline during conveying, the material supplementing assembly is provided with a material supplementing hole communicated with the inner part of the coal powder pipeline, the iron powder can be input into the coal powder pipeline through the material supplementing hole, a detachable plug is arranged in the material supplementing hole, the technical problems that the coal powder pipeline anti-abrasion treatment cost is high, the service cycle is short, and the online maintenance operation is difficult are solved, the coal powder pipeline anti-abrasion treatment cost is low, the iron powder is magnetically attracted firmly, the iron powder can be supplemented in time, the anti-abrasion treatment service time is long, the online maintenance operation is simple, effectively preventing the abrasion of the pulverized coal pipeline.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a wear prevention device for a pulverized coal pipeline according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a feeding assembly of a wear prevention device for a pulverized coal pipeline according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a manipulator of a coal powder pipeline wear prevention device according to an embodiment of the present invention.
Description of reference numerals:
1. iron powder; 2. a magnet; 3. a feed supplement assembly; 31. a feeding hole; 32. a plug; 4. a heat insulating pad; 5. a support frame; 51. a slide rail; 52. a fixing assembly; 53. a second slider; 54. a second telescopic rod; 55. a second electric rotary table; 6. a feed assembly; 61. a feed pipe; 62. a first slider; 63. a first telescopic rod; 64. a first electric rotating table; 65. a storage bin; 66. a spring; 67. a delivery pipeline; 68. a vibration exciter; 69. a balloon; 7. a third slider; 8. a third electric rotary table; 9. a manipulator; 91. a first connecting rod; 92. a second connecting rod; 93. a third connecting rod; 94. a sleeve; 95. a fourth electric rotary table; 96. a third telescopic rod; 97. a clamping portion; 98. a connecting rod; 99. pushing the ejector rod; 10. a transfer assembly; 11. a deflector rod; 12. a strip-shaped through hole; 13. a photovoltaic power supply assembly; 14. a control panel.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1 to 3, a wear-proof device for a pulverized coal pipeline according to the present invention will now be described. The coal powder pipeline anti-abrasion device comprises iron powder 1, a magnet 2 and a material supplementing assembly 3, wherein the iron powder 1 is arranged in the coal powder pipeline and is easy to erode and abrade by coal powder; the magnet 2 is arranged on the outer wall of the pulverized coal pipeline, generates magnetic force and magnetically attracts the iron powder 1 positioned in the pulverized coal pipeline, and the iron powder 1 is attracted to the inner wall of the pulverized coal pipeline and is suitable for resisting scouring abrasion of pulverized coal to the pulverized coal pipeline in conveying; the feeding assembly 3 is provided with a feeding hole 31 communicated with the inside of the coal powder pipeline, iron powder 1 can be input into the coal powder pipeline through the feeding hole 31, and a detachable plug 32 is arranged in the feeding hole 31.
Compared with the prior art, the coal powder pipeline anti-abrasion device comprises an iron powder 1, a magnet 2 and a material supplementing assembly 3, wherein the iron powder 1 is arranged in the coal powder pipeline and is easy to be scoured and worn by coal powder, the magnet 2 is arranged on the outer wall of the coal powder pipeline to generate magnetic force and magnetically attract the iron powder 1 in the coal powder pipeline, the iron powder 1 is attracted to the inner wall of the coal powder pipeline and is suitable for resisting scouring and wear of the coal powder to the coal powder pipeline during conveying, the material supplementing assembly 3 is provided with a material supplementing hole 31 communicated with the inner part of the coal powder pipeline, the iron powder 1 can be input into the coal powder pipeline through the material supplementing hole 31, a detachable plug 32 is arranged in the material supplementing hole 31, the technical problems that the coal powder pipeline is high in anti-abrasion treatment cost, short in service cycle and difficult in on-line maintenance operation are solved, the coal powder pipeline anti-abrasion treatment cost is low, the iron powder 1 is magnetically attracted and firm, the iron powder 1 can be supplemented in time, the abrasion-proof treatment has long service life, the online maintenance operation is simple, and the technical effect of effectively preventing the abrasion of the coal powder pipeline is achieved.
The magnet 2 is a permanent magnet which generates magnetic attraction force and is a high-temperature-resistant permanent magnet, the iron powder 1 is attracted to the position, which is easy to be eroded and abraded by coal powder, on the inner wall of the coal powder pipeline through the coal powder pipeline, when the coal powder is eroded, the iron powder 1 is firstly contacted, the iron powder 1 cannot be eroded because the iron powder 1 is fixed, and the iron powder 1 cannot influence the flow of the coal powder in the coal powder pipeline, so that the anti-abrasion processing mode can be maintained on line, and the magnet 2 can be moved according to the position, which is easy to be eroded, in the pipeline, the iron powder 1 can also move along with the magnetism, and the position, which resists the coal powder erosion, of the iron powder 1 can be smoothly adjusted. When the amount of the iron powder 1 is small, the plug 32 is taken out, the feeding hole 31 is opened, the iron powder 1 is injected into the coal powder pipeline, and the iron powder 1 is attracted by the magnet 2 to play a role of preventing abrasion.
In order to prevent the high temperature from affecting the outside when the pulverized coal duct is a high temperature duct, in some embodiments, referring to fig. 1 to 3, a heat insulation pad 4 is disposed on an outer wall of the pulverized coal duct, and the magnet 2 is disposed on the outer wall of the heat insulation pad 4 and magnetically attracts the iron powder 1 through the heat insulation pad 4. Heat on the pulverized coal pipeline is insulated through the heat insulation pad 4, the magnet 2 is arranged outside the heat insulation pad 4, the magnet 2 penetrates through the heat insulation pad 4 and attracts the iron powder 1, the attraction effect of the magnet 2 cannot be influenced, and the iron powder 1 cannot fall in the pulverized coal pipeline or flow away along with pulverized coal. The heat insulating pad 4 can be made of the prior art and wraps the pipeline.
The invention can also not use the heat insulation pad 4, but only select the high temperature resistant permanent magnet matched with the pulverized coal pipeline. The temperature of the permanent magnet can reach 400-500 ℃.
In some embodiments, referring to fig. 1 to 3, a support frame 5 is disposed outside the pulverized coal pipeline, a sliding rail 51 is disposed along a length direction of the support frame 5, the sliding rail 51 is disposed along the length direction of the pulverized coal pipeline, a fixing component 52 adapted to connect and fix the magnet 2 is disposed on the sliding rail 51, and the magnet 2 can move along the length direction of the pulverized coal pipeline by means of the fixing component 52 to resist erosion and wear of pulverized coal at different positions on the pulverized coal pipeline. The length direction of the support frame 5 is arranged along the length direction of the pulverized coal pipeline, and the fixing component 52 is connected to the slide rail 51 in a sliding manner, so that the position of the fixing component 52 for the magnet can be adjusted, namely the position of the inside of the pulverized coal pipeline, which is easily worn.
In some embodiments, referring to fig. 1 to 3, the sliding rail 51 is slidably provided with a feeding assembly 6, the feeding assembly 6 is provided with a feeding pipe 61 adapted to feed the iron powder 1 into the feeding holes 31, and the feeding pipe 61 can be moved along the length direction of the coal powder pipeline by the feeding assembly 6 to feed the iron powder 1 into the feeding holes 31 at different positions. The insertion into the feed opening 31 and the transportation of the fine iron 1 are facilitated by adjusting the position of the feeding assembly 6 and adapting the feeding tube 61 to be aligned with the feed opening 31.
In some embodiments, referring to fig. 1 to 3, the feeding assembly 6 further includes a first sliding block 62 slidably connected to the sliding rail 51, a first telescopic rod 63 suspended at a lower end of the first sliding block 62, a first electric rotating table 64 disposed at a bottom end of the first telescopic rod 63, and a storage bin 65 disposed at a lower rotating end of the first electric rotating table 64, the feeding tube 61 is connected to a bottom of the storage bin 65, the feeding tube 61 is adapted to be inserted into the feeding hole 31, the storage bin 65 contains the iron powder 1, the feeding tube 61 is movable along a length direction of the coal powder pipeline by the first sliding block 62, is adjustable in height vertically by the first telescopic rod 63, and is rotatable circumferentially in a horizontal plane by the first electric rotating table 64, so as to be adapted to adjust a butt joint position with the feeding hole 31. The height or the position of the storage bin 65 and the alignment position of the feeding pipe 61 and the feeding hole 31 can be adjusted by adjusting the position of the first sliding block 62 on the sliding rail 51, the telescopic length of the first telescopic rod 63 and the rotation angle of the first electric rotating table 64, so that the iron powder 1 can be conveniently input into the coal powder pipeline.
In this embodiment, three feeding pipes 61 are provided at the bottom of the storage bin 65, and the diameter of each feeding pipe 61 is different, so as to facilitate insertion into the feeding holes 31 with different diameters and to convey the iron powder 1.
In some embodiments, referring to fig. 1 to 3, the upper end of the storage bin 65 is connected to the lower end of the first electric rotating table 64 through a plurality of springs 66, a material conveying pipeline 67 for inputting the iron powder 1 into the storage bin 65 is disposed on one side of the storage bin 65, an exciter 68 is disposed on the outer side of the storage bin 65, the exciter 68 is adapted to drive the storage bin 65 to vibrate and drive the iron powder 1 inside the storage bin 65 to move into the feeding pipe 61, the springs 66 are adapted to buffer the vibration of the storage bin 65, an air blowing bag 69 is disposed on the feeding pipe 61, and after the air blowing bag 69 is compressed, the iron powder 1 is adapted to input the iron powder 1 into the feeding hole 31 by air pressure. When the quantity of the iron powder 1 in the storage bin 65 is small, in order to enable the iron powder 1 to reach the interior of the pulverized coal pipeline, the air bag 69 is manually pressed or extruded, and the iron powder 1 in the storage bin 65 or the feeding pipe 61 is pushed into the pulverized coal pipeline by air pressure, so that the technical problem that the iron powder 1 can be conveyed into the pulverized coal pipeline when the quantity of the iron powder 1 is insufficient, the iron powder 1 is prevented from being lost in the pulverized coal pipeline, and the pulverized coal pipeline is easy to erode and wear is solved. In addition, the iron powder 1 in the storage bin 65 and the feeding pipe 61 can be transported into the coal powder pipeline in accordance with the vibration of the vibration exciter 68. The exciter 68 is a miniature exciter 68 known in the art.
Specifically, a feed pump is arranged on the feed delivery pipeline 67, and the flow rate of conveying the iron powder 1 into the storage bin 65 can be controlled by controlling the pressure of the feed pump.
In some embodiments, referring to fig. 1 to 3, a second sliding block 53 is slidably disposed on the sliding rail 51, a second telescopic rod 54 is connected to a bottom end of the second sliding block 53, a second electric rotating table 55 is connected to a bottom end of the second telescopic rod 54, and a fixing assembly 52 is connected to a lower rotating end of the second electric rotating table 55, wherein the fixing assembly 52 is adapted to connect and fix the magnet 2 to the pulverized coal pipeline or the heat insulation mat 4. The second sliding block 53 slides on the sliding rail 51, the telescopic length of the second telescopic rod 54 is adjusted, and the rotation angle of the second electric rotating platform 55 is adjusted, so that the position of the fixing component 52 can be adjusted, and the position of the magnet 2 on the pulverized coal pipeline can be adjusted.
In particular, the fixing member 52 is a clamp or a power-driven jaw which is electrically controlled and is often used in the prior art, and can fix the magnet 2 to the outside of the pulverized coal duct.
In some embodiments, referring to fig. 1 to 3, the sliding rail 51 is slidably provided with a third sliding block 7, a third electric rotating table 8 is connected to the bottom end of the third sliding block 7, and a manipulator 9 is connected to the lower rotating end of the third electric rotating table 8, wherein the manipulator 9 is adapted to fix the heat insulating mat 4 to the pulverized coal pipeline to prevent the heat insulating mat 4 from loosening. The third sliding block 7 slides on the sliding rail 51, and the position of the manipulator 9 can be adjusted by adjusting the rotation angle of the third electric rotating table 8, so that the fixing position of the manipulator 9 on the heat insulation pad 4 can be adjusted.
In this embodiment, the operation of the manipulator 9 and the operation of the fixing assembly 52 are sequential, that is, the heat insulation mat 4 is fixed first, and then the magnet 2 is fixed, and when the heat insulation mat 4 needs to be moved, the fixing assembly 52 is released from the magnet 2 first, so that the magnet 2 is far away from the pulverized coal pipeline.
In some embodiments, referring to fig. 1 to 3, the robot 9 includes a first connecting rod 91, a second connecting rod 92, a third connecting rod 93, a sleeve 94, a fourth electric rotating table 95, a third telescopic rod 96 and a clamping portion 97, wherein one end of the first connecting rod 91 is connected to the rotating end of the third electric rotating table 8, and the other end is a free end; one end of the second connecting rod 92 is hinged with the free end of the first connecting rod 91, the other end is a free end, and the rotating angle of the second connecting rod 92 relative to the first connecting rod 91 is adjustable; one end of the third connecting rod 93 is hinged with the free end of the second connecting rod 92, the other end is a free end, and the rotating angle of the third connecting rod 93 relative to the second connecting rod 92 is adjustable; the sleeve 94 is sleeved on the free end of the third connecting rod 93 and can axially rotate around the third connecting rod 93, and the sleeve 94 can also axially move on the third connecting rod 93; a fourth electric rotating table 95 is hinged on the outer wall of the sleeve 94 through a connecting rod 98, and the fourth electric rotating table 95 can circumferentially rotate in the horizontal plane; the third telescopic rod 96 is vertically arranged, one end of the third telescopic rod is connected to the rotating end of the fourth electric rotating table 95, and the other end of the third telescopic rod is a free end; the clamping portion 97 is arranged at the free end of the third telescopic rod 96 and is suitable for clamping and fixing the heat insulation pad 4 to the outer wall of the pulverized coal pipeline, and the clamping position of the clamping portion 97 is adjusted through the third sliding block 7, the third electric rotating platform 8, the second connecting rod 92, the third connecting rod 93, the connecting rod 98, the fourth electric rotating platform 95, the third telescopic rod 96 and the sleeve 94. Between first connecting rod 91 and second connecting rod 92, all be equipped with ejector pin 99 between second connecting rod 92 and the third connecting rod 93, the both ends of ejector pin 99 articulate respectively on the connecting rod of both sides, through the ejection or flexible of control ejector pin 99 to can control the turned angle of second connecting rod 92 or third connecting rod 93, thereby adjusted the position of manipulator 9, and to the fixed position of heat insulating mattress 4. When the position of the clamping portion 97 cannot adapt to the change of the pulverized coal duct, the sleeve 94 can be rotated or moved on the third telescopic rod 96, and the fixing of the heat insulation pad 4 can be completed.
Specifically, the clamping portion 97 is an electrically controlled clamp or an electrically operated clamping jaw that is often used in the prior art, and can clamp the heat insulation pad 4 on the pulverized coal pipeline to fix the heat insulation pad 4.
In some embodiments, referring to fig. 1 to 3, a long through hole 12 is formed along the length direction on the slide rail 51, a conveying assembly 10 is disposed at the upper end of the slide rail 51, the conveying assembly 10 can be conveyed in a reciprocating manner, a driving lever 11 is disposed at the conveying end of the conveying assembly 10, the driving lever 11 passes through the long through hole 12, and the lower end of the driving lever is fixedly connected to the sliding end of the feeding assembly 6 to drive the feeding assembly 6 to slide; the upper end of the support frame 5 is detachably connected with a photovoltaic power supply assembly 13 used for providing electric energy to supply power for a load. The number of the shift levers 11 is 3, the shift levers are respectively connected with the first sliding block 62, the second sliding block 53 and the third sliding block 7, the three are respectively driven to slide on the sliding rail 51, the setting intervals of the three can be adjusted, and the adjustment is carried out according to the position of anti-abrasion processing on the coal powder pipeline and the setting position of the feed supplementing hole 31. The sliding of the three slides can be controlled by the transfer of the transfer assembly 10. When one or more of the sliding blocks do not need to slide, the sliding block can be separated from the shifting lever 11, namely, the sliding block is only connected to the sliding rail 51 and is not influenced by the driving of the shifting lever 11.
Specifically, the conveying assembly 10 comprises a driving motor, a driving wheel, a driven wheel and a conveying belt or a conveying chain, the shifting rod 11 is fixedly connected to the conveying belt or the conveying chain, the conveying belt or the conveying chain is wound on the driving wheel and the driven wheel, and a power output end of the driving motor is connected with the driving wheel and used for driving the conveying belt or the conveying chain to circularly rotate and convey.
Specifically, the photovoltaic power supply module 13 includes a plurality of solar cell panels, a controller, a storage battery and an inverter which are connected in series in sequence, the solar cell panels are used for absorbing solar energy, the controller is used for converting solar energy into electric energy, the electric energy is stored through the storage battery, therefore, the electric energy output by the storage battery is direct current, the direct current can be converted into alternating current through the inverter, and the electric energy output end of the inverter is connected with a load and respectively supplies power. The first extension bar 63, the second extension bar 54, the third extension bar 96, the first electric rotating table 64, the second electric rotating table 55, the third electric rotating table 8, the fourth electric rotating table 95, and the transfer module 10 are all loaded.
The invention also comprises a control panel 14 which is respectively electrically connected with the loads, and the actions of the loads and various components can be controlled through the control panel 14, so that the automatic fixing and position adjustment of the magnet 2 and the heat insulation pad 4 can be completed without manual control, and the function of automatically inputting the iron powder 1 into the pulverized coal pipeline can be realized. The operation of the fixing component 52 and the clamping part 97 can be controlled by the control panel 14, so that the clamping fixing of the heat insulation board and the fixing of the magnet 2 can be realized automatically, and the automatic adjustment and the movement can be realized without manual operation.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.

Claims (8)

1. A coal powder pipeline wear prevention device is characterized by comprising:
the iron powder is arranged in the coal powder pipeline and is easy to be scoured and worn by the coal powder;
the magnet is arranged on the outer wall of the pulverized coal pipeline, generates magnetic force and magnetically attracts iron powder in the pulverized coal pipeline, and the iron powder is attracted to the inner wall of the pulverized coal pipeline and is suitable for resisting scouring abrasion of pulverized coal to the pulverized coal pipeline in conveying; and
the feeding assembly is provided with a feeding hole communicated with the interior of the pulverized coal pipeline, iron powder can be input into the pulverized coal pipeline through the feeding hole, and a detachable plug is arranged in the feeding hole;
a heat insulation pad is arranged on the outer wall of the pulverized coal pipeline, and the magnet is arranged on the outer wall of the heat insulation pad and magnetically attracts the iron powder through the heat insulation pad;
the outside of the pulverized coal pipeline is provided with a support frame, a sliding rail is arranged along the length direction of the support frame, the sliding rail is arranged along the length direction of the pulverized coal pipeline, a fixing component suitable for being connected and fixed with the magnet is arranged on the sliding rail, and the magnet can move along the length direction of the pulverized coal pipeline by virtue of the fixing component so as to resist the erosion and abrasion of pulverized coal at different positions on the pulverized coal pipeline.
2. The coal powder pipe wear prevention device of claim 1, wherein the sliding rail is slidably provided with a feeding assembly, the feeding assembly is provided with a feeding pipe suitable for feeding iron powder into the feeding holes, and the feeding pipe can move along the length direction of the coal powder pipe by means of the feeding assembly so as to feed iron powder into the feeding holes at different positions.
3. The coal powder pipeline wear prevention device as claimed in claim 2, wherein the feeding assembly further comprises a first slide block slidably connected to the slide rail, a first telescopic rod suspended at a lower end of the first slide block, a first electric rotating table disposed at a bottom end of the first telescopic rod, and a storage bin disposed at a lower rotating end of the first electric rotating table, the feeding tube is communicated with a bottom of the storage bin, the feeding tube is adapted to be inserted into the material supplementing hole, the storage bin contains iron powder, the feeding tube is movable along a length direction of the coal powder pipeline by the first slide block, is vertically adjustable in height by the first telescopic rod, and is circumferentially rotatable in a horizontal plane by the first electric rotating table, so as to be adapted to adjust a butt joint position with the material supplementing hole.
4. The coal powder pipeline wear prevention device of claim 3, wherein the upper end of the storage bin is connected with the lower end of the first electric rotating table through a plurality of springs, a material conveying pipeline for inputting iron powder into the storage bin is arranged on one side of the storage bin, a vibration exciter is arranged on the outer side of the storage bin, the vibration exciter is suitable for driving the storage bin to vibrate and driving the iron powder positioned in the storage bin to move into the material conveying pipe, the springs are used for buffering the vibration of the storage bin, an air blowing bag is arranged on the material conveying pipe, and after the air blowing bag is compressed, the iron powder is suitable for inputting the iron powder into the material supplementing hole through air pressure.
5. The coal powder pipeline wear prevention device as claimed in claim 1, wherein a second sliding block is slidably disposed on the sliding rail, a second telescopic rod is connected to a bottom end of the second sliding block, a second electric rotating table is connected to a bottom end of the second telescopic rod, the fixing assembly is connected to a lower rotating end of the second electric rotating table, and the fixing assembly is adapted to connect and fix the magnet to the coal powder pipeline or the heat insulation pad.
6. The coal powder pipeline wear prevention device as claimed in claim 1, wherein a third sliding block is slidably disposed on the sliding rail, a third electric rotating table is connected to a bottom end of the third sliding block, and a manipulator is connected to a lower rotating end of the third electric rotating table and adapted to fix the heat insulation pad to the coal powder pipeline to prevent the heat insulation pad from loosening.
7. The coal powder pipe wear prevention device of claim 6, wherein the robot comprises:
one end of the first connecting rod is connected to the rotating end of the third electric rotating table, and the other end of the first connecting rod is a free end;
one end of the second connecting rod is hinged with the free end of the first connecting rod, the other end of the second connecting rod is a free end, and the rotating angle of the second connecting rod relative to the first connecting rod is adjustable;
one end of the third connecting rod is hinged with the free end of the second connecting rod, the other end of the third connecting rod is a free end, and the rotating angle of the third connecting rod relative to the second connecting rod is adjustable;
the sleeve is sleeved on the free end of the third connecting rod and can axially rotate around the third connecting rod, and the sleeve can also axially move on the third connecting rod;
the fourth electric rotating table is hinged to the outer wall of the sleeve through a connecting rod and can circumferentially rotate in the horizontal plane;
the third telescopic rod is vertically arranged, one end of the third telescopic rod is connected to the rotating end of the fourth electric rotating table, and the other end of the third telescopic rod is a free end; and
the clamping part is arranged at the free end of the third telescopic rod and is suitable for clamping and fixing the heat insulation pad to the outer wall of the pulverized coal pipeline, and the clamping position of the clamping part is arranged on the third sliding block, the third electric rotating platform, the second connecting rod, the third connecting rod, the fourth electric rotating platform, the third telescopic rod and the sleeve are adjusted.
8. The wear prevention device for the coal powder pipeline as claimed in claim 2, wherein the slide rail is provided with a long through hole along the length direction, the slide rail is provided with a conveying assembly at the upper end, the conveying assembly can be conveyed in a reciprocating manner, the conveying end of the conveying assembly is provided with a deflector rod, the deflector rod penetrates through the long through hole, and the lower end of the deflector rod is fixedly connected to the sliding end of the feeding assembly so as to drive the feeding assembly to slide; the upper end of the supporting frame is detachably connected with a photovoltaic power supply assembly used for providing electric energy to supply power for a load.
CN202110920828.9A 2021-08-11 2021-08-11 Wear-proof device for pulverized coal pipeline Active CN113446459B (en)

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