CN112125585A - Inorganic material for reinforcement - Google Patents
Inorganic material for reinforcement Download PDFInfo
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- CN112125585A CN112125585A CN202011004431.7A CN202011004431A CN112125585A CN 112125585 A CN112125585 A CN 112125585A CN 202011004431 A CN202011004431 A CN 202011004431A CN 112125585 A CN112125585 A CN 112125585A
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- parts
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- grouting
- pipe
- inorganic material
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- 229910010272 inorganic material Inorganic materials 0.000 title claims abstract description 90
- 239000011147 inorganic material Substances 0.000 title claims abstract description 90
- 230000002787 reinforcement Effects 0.000 title claims abstract description 19
- 239000003245 coal Substances 0.000 claims abstract description 31
- 238000002156 mixing Methods 0.000 claims abstract description 31
- 239000011435 rock Substances 0.000 claims abstract description 26
- 239000000843 powder Substances 0.000 claims abstract description 21
- 239000004568 cement Substances 0.000 claims abstract description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 14
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 11
- 238000005553 drilling Methods 0.000 claims abstract description 10
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 7
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 claims abstract description 7
- 239000000440 bentonite Substances 0.000 claims abstract description 7
- 229910000278 bentonite Inorganic materials 0.000 claims abstract description 7
- SVPXDRXYRYOSEX-UHFFFAOYSA-N bentoquatam Chemical compound O.O=[Si]=O.O=[Al]O[Al]=O SVPXDRXYRYOSEX-UHFFFAOYSA-N 0.000 claims abstract description 7
- 239000000378 calcium silicate Substances 0.000 claims abstract description 7
- 229910052918 calcium silicate Inorganic materials 0.000 claims abstract description 7
- OYACROKNLOSFPA-UHFFFAOYSA-N calcium;dioxido(oxo)silane Chemical compound [Ca+2].[O-][Si]([O-])=O OYACROKNLOSFPA-UHFFFAOYSA-N 0.000 claims abstract description 7
- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 7
- 239000010881 fly ash Substances 0.000 claims abstract description 7
- 239000010440 gypsum Substances 0.000 claims abstract description 7
- 229910052602 gypsum Inorganic materials 0.000 claims abstract description 7
- 239000004575 stone Substances 0.000 claims abstract description 7
- 239000002994 raw material Substances 0.000 claims abstract description 5
- 239000002002 slurry Substances 0.000 claims description 36
- 239000002689 soil Substances 0.000 claims description 14
- 238000004537 pulping Methods 0.000 claims description 13
- 239000007787 solid Substances 0.000 claims description 13
- 238000000034 method Methods 0.000 claims description 12
- 238000007599 discharging Methods 0.000 claims description 11
- 238000003756 stirring Methods 0.000 claims description 11
- 230000003014 reinforcing effect Effects 0.000 claims description 9
- 230000008569 process Effects 0.000 claims description 8
- 239000011440 grout Substances 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 5
- 238000007569 slipcasting Methods 0.000 claims description 5
- 239000000203 mixture Substances 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 7
- 230000008439 repair process Effects 0.000 abstract description 3
- 238000013329 compounding Methods 0.000 description 4
- 239000011368 organic material Substances 0.000 description 4
- 208000010392 Bone Fractures Diseases 0.000 description 2
- 206010017076 Fracture Diseases 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- 238000009792 diffusion process Methods 0.000 description 2
- 238000000227 grinding Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000010298 pulverizing process Methods 0.000 description 1
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D20/00—Setting anchoring-bolts
- E21D20/003—Machines for drilling anchor holes and setting anchor bolts
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D20/00—Setting anchoring-bolts
- E21D20/02—Setting anchoring-bolts with provisions for grouting
- E21D20/021—Grouting with inorganic components, e.g. cement
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/00474—Uses not provided for elsewhere in C04B2111/00
- C04B2111/00724—Uses not provided for elsewhere in C04B2111/00 in mining operations, e.g. for backfilling; in making tunnels or galleries
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/70—Grouts, e.g. injection mixtures for cables for prestressed concrete
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Structural Engineering (AREA)
- Geology (AREA)
- Geochemistry & Mineralogy (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Inorganic Chemistry (AREA)
- Ceramic Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Piles And Underground Anchors (AREA)
Abstract
The invention discloses an inorganic material for reinforcement, which is prepared from the following raw materials in parts by weight: 30-90 parts of special cement, 0.1-20 parts of an accelerator, 6-35 parts of stone powder, 0.4-26 parts of bentonite, 0.2-10 parts of sulfate, 0.1-15 parts of a water reducer, 0.1-18 parts of calcium silicate powder, 0.1-17 parts of an early strength agent, 0-10 parts of fine powder, 0-5 parts of iron powder, 0.2-20 parts of fly ash and 0.3-11 parts of gypsum; drilling a vertical anchor rod hole in a coal rock body by using an anchor rod drilling machine, inserting an anchor rod into the anchor rod hole, mixing inorganic materials according to a water-cement ratio of 0.28-0.4:1, and grouting through the anchor rod to reinforce the coal rock body, wherein the inorganic materials have the advantages of preventing ignition and ensuring the safe production and roadway utilization of a coal mine; repeated repair of the tunnel is avoided, inclined walls and roof fall are prevented, and the device is simple to operate, safe and reliable; economic and practical.
Description
Technical Field
The invention belongs to the technical field of coal rock mass reinforcement, and relates to an inorganic material, in particular to an inorganic material for reinforcement.
Background
The coal bed in China is generally threatened by the Aohu water, the compressive strength of the coal bed is low, the coal bed is easy to crush and deform, and cracks and large fracture zones are easy to generate; broken and loose surrounding rock areas and fracture development zones are easy to roof and cause underground flood and the like under the condition of increasing dynamic pressure.
In the prior art, coal mines are more and more frequent along with roof accidents, roof caving, inclined slope, roadway deformation and the like, the safety production of the coal mines is restricted, organic materials are adopted for reinforcement and grouting in the past, because the organic materials are easy to cause fire at high temperature, the construction is relatively complex, the labor intensity is high, the grouting amount is large, and problems in the aspects of coal body loosening, roof caving, inclined slope, roadway deformation, fault crossing and the like are solved; the pouring opening of the grouting equipment is connected with the feeding opening of the anchor rod, and the pipeline at the joint is easy to bend, so that when grouting is carried out, slurry is easy to adhere to the pouring opening, and concrete is easy to harden on the inner wall of the pouring opening when the grouting equipment stops working, so that the problem of difficulty in next use is caused.
Disclosure of Invention
The invention aims to solve the problems that in the prior art, coal mines are more and more frequent along with roof accidents, roof caving, inclined walls, roadway deformation and the like, and the safety production of the coal mines is restricted, organic materials are adopted for reinforcement and grouting in the past, because the organic materials are high in temperature, fire disasters easily occur, the construction is relatively complex, the labor intensity is high, the grouting amount is large, and coal bodies are loosened, roof caving, inclined walls, roadway deformation, cross-faults and the like; the pouring opening of the grouting equipment is connected with the feeding opening of the anchor rod, and the pipeline at the joint is easy to bend, so that when grouting is carried out, slurry is easy to adhere to the pouring opening, and concrete is easy to harden on the inner wall of the pouring opening when the grouting equipment stops working, so that the problem of difficulty in next use is caused, and the inorganic material for reinforcing is provided.
The purpose of the invention can be realized by the following technical scheme:
an inorganic material for reinforcement is composed of the following raw materials in parts by weight: 30-90 parts of special cement, 0.1-20 parts of an accelerator, 6-35 parts of stone powder, 0.4-26 parts of bentonite, 0.2-10 parts of sulfate, 0.1-15 parts of a water reducer, 0.1-18 parts of calcium silicate powder, 0.1-17 parts of an early strength agent, 0-10 parts of fine powder, 0-5 parts of iron powder, 0.2-20 parts of fly ash and 0.3-11 parts of gypsum;
the inorganic material reinforcing process comprises the following steps:
s1, drilling a vertical anchor rod hole in the coal rock mass by using a jumbolter, and inserting an anchor cable into the anchor rod hole;
s2, firstly, adding inorganic materials into a feed box on the pulping device, then starting a first driving motor to drive a feeding screw rod to rotate, so that the inorganic material enters the crushing cavity in the crushing box along the first feeding pipe and the second feeding pipe in sequence, then, the second driving motor is started, the driving belt pulley, the driven belt pulley and the belt drive the connecting shaft to rotate, because the other end of the connecting shaft is connected with one side of the rotating disc, a plurality of groups of first crushing rods are arranged on the other side of the rotating disc in an annular array manner, a fixed disc matched with the rotating disc is arranged on the inner wall of the crushing cavity, a plurality of groups of second crushing rods are arranged on the side wall of the fixed disc close to the rotating disc in an annular array manner, the first crushing rods are positioned between the second crushing rods, continuously cutting and crushing inorganic materials in a crushing cavity by a plurality of groups of first crushing rods and second crushing rods, and then dropping the further crushed inorganic materials into a mixing tank;
s3, injecting water into the material mixing tank to enable inorganic materials to be mixed according to a water-cement ratio, connecting the grouting pipe with the anchor cable, starting the pump body, injecting the inorganic material slurry in the material mixing tank onto the anchor cable along the grouting pipe, and enabling the flowing inorganic material slurry to rotate through a turbine when the inorganic material slurry passes through an anti-blocking device on the grouting pipe; and then, discharging the inorganic material slurry into the soil of the coal-rock mass from a slurry outlet hole on the anchor cable, and curing the inorganic material slurry to reinforce the soil of the coal-rock mass.
The pulping device comprises a feeding box, a first feeding pipe, a first driving motor, a second feeding pipe, a crushing box, a discharging hopper, a mixing tank, a stirring motor, a support, an installation frame, a roller and a crushing piece, wherein the installation frame is arranged on one side of the top surface of the support;
the bottom discharge hole and the lower hopper intercommunication of smashing the case, the lower hopper discharge gate is connected with the compounding jar, is provided with agitator motor on the top surface of compounding jar, and agitator motor's output extends to in the compounding jar to be connected with the stirring rake, the discharge gate and the feed inlet of slip casting pipe of compounding tank bottoms portion are connected.
The slurrying device passes through the slip casting pipe and the feed end of anchor rope, and the bottom of support is provided with the gyro wheel.
Smash the incasement and be provided with crushing piece, crushing piece includes second driving motor, drive pulley, driven pulley, the carousel, first crushing stick, the fixed disk, the stick is smashed to the second, the belt, the connecting axle, the pot head of connecting axle is established at driven pulley, the other end of connecting axle extends to in smashing the incasement crushing chamber, and rotate with smashing the case and be connected, the other end of connecting axle is connected with one side of carousel, the opposite side annular array of carousel is provided with the first crushing stick of multiunit, be provided with the fixed disk with carousel looks adaptation on the inner wall in crushing chamber, annular array is provided with the second crushing stick of multiunit on the lateral wall that the fixed disk is close to the carousel, first crushing stick is located the second and smashes between the stick.
The driven belt pulley is in transmission connection with the driving belt pulley through a belt, the driving belt pulley is connected with the output end of the second driving motor, and the second driving motor is arranged on the support.
The position department that the slip casting pipe is close to the discharge end is provided with prevents stifled device, prevent stifled device includes the casing, the connecting rod, the scraper blade, branch, the turbine, the roating seat, the middle part of casing is cylindrical structure, both ends are semi spherical structure, vertically in the inner chamber of casing be provided with branch, the mid-portion of branch is rotated and is installed the roating seat, be provided with the turbine on the roating seat, the turbine cover is established on the connecting rod, and the one end and the roating seat of connecting rod are connected, the other end and the scraper blade of connecting rod are connected, the scraper blade is the L shaped plate, the vertical portion and the other end of connecting rod.
The discharge end of the grouting pipe is connected with the feed end of the anchor rope, the anchor rope is divided into two structures, one anchor rope comprises a grouting perforated pipe, a hole packer, a grouting solid pipe and a grouting connector, the grouting perforated pipe is connected with the grouting solid pipe, the hole packer is arranged between the grouting perforated pipe and the grouting solid pipe, and the feed end of the grouting solid pipe is provided with the grouting connector and is connected with the grouting pipe through the grouting connector;
the other anchor cable comprises an anchor cable body, a grout stop plug, a tray, an anchorage device and a grouting connector; the anchor cable body is provided with a grout stop plug, the anchor cable body is provided with a tray, one side of the tray is provided with an anchorage device, and the feeding end of the anchor cable body is provided with a grouting connector and is connected with a grouting pipe through the grouting connector.
Compared with the prior art, the invention has the beneficial effects that: the inorganic material consisting of 30-90 parts of special cement, 0.1-20 parts of accelerating agent, 6-35 parts of stone powder, 0.4-26 parts of bentonite, 0.2-10 parts of sulfate, 0.1-15 parts of water reducing agent, 0.1-18 parts of calcium silicate powder, 0.1-17 parts of early strength agent, 0-10 parts of fine powder, 0-5 parts of iron powder, 0.2-20 parts of fly ash and 0.3-11 parts of gypsum has the functions of preventing ignition and ensuring the safe production and roadway utilization of a coal mine; repeated repair of the tunnel is avoided, inclined walls and roof fall are prevented, and the device is simple to operate, safe and reliable; the method has the advantages of economy and applicability, and lower cost compared with other materials and processes for reinforcing and grouting, and solves the problems that in the prior art, coal mines are more and more frequent along with roof accidents, roof collapse, inclined slope, roadway deformation and the like, and the safe production of the coal mines is restricted;
drilling a vertical anchor rod hole in the coal rock mass by using an anchor rod drilling machine, and inserting an anchor cable into the anchor rod hole; the soil property is firmer after the coal-rock mass is grouted by the anchor cable, the grouting diffusion area is large, the fluidity is strong, the bonding degree is high, the support is strong, the service life of the coal-rock mass is prolonged, the safety is guaranteed, and the method is economical and practical; thereby solving the problems of loose coal body, roof fall, inclined slope, tunnel deformation, fault crossing and the like in the prior art;
firstly, inorganic materials are added into a charging box on a pulping device, then a first driving motor is started to drive a feeding screw rod to rotate, so that the inorganic material enters the crushing cavity in the crushing box along the first feeding pipe and the second feeding pipe in sequence, then, the second driving motor is started, the driving belt pulley, the driven belt pulley and the belt drive the connecting shaft to rotate, because the other end of the connecting shaft is connected with one side of the rotating disc, a plurality of groups of first crushing rods are arranged on the other side of the rotating disc in an annular array manner, a fixed disc matched with the rotating disc is arranged on the inner wall of the crushing cavity, a plurality of groups of second crushing rods are arranged on the side wall of the fixed disc close to the rotating disc in an annular array manner, the first crushing rods are positioned between the second crushing rods, continuously cutting and crushing inorganic materials in a crushing cavity by a plurality of groups of first crushing rods and second crushing rods, and then dropping the further crushed inorganic materials into a mixing tank; the inorganic material can be effectively ground by the arranged crushing piece, and the inorganic material components are fully mixed in the grinding process, so that the pulping efficiency of the inorganic material is greatly improved;
injecting water into the mixing tank to mix inorganic materials according to a water-cement ratio of 0.28-0.4:1, connecting the grouting pipe with the anchor cable, starting the pump body, injecting the inorganic material slurry in the mixing tank onto the anchor cable along the grouting pipe, and rotating the flowing inorganic material slurry turbine when passing through the anti-blocking device on the grouting pipe; then, inorganic material slurry is discharged into the soil of the coal rock body from a slurry outlet hole on the anchor cable, and the inorganic material slurry is solidified to reinforce the soil of the coal rock body, and the anti-blocking device scrapes the bent part of the joint of the grouting pipe and the anchor cable, so that the problem that the caliber of the grouting pipe is reduced and the reinforcing efficiency is influenced when the inorganic material is used next time is avoided.
Drawings
In order to facilitate understanding for those skilled in the art, the present invention will be further described with reference to the accompanying drawings.
FIG. 1 is a schematic structural diagram of the present invention.
FIG. 2 is a schematic perspective view of a pulping apparatus according to the present invention.
FIG. 3 is a schematic view of the upper part of the pulping apparatus of the present invention.
FIG. 4 is a schematic view showing the structure of the crushing member in the present invention.
Fig. 5 is a schematic structural view of the anti-blocking device of the present invention.
FIG. 6 is a schematic view of another anchor cable of the present invention
In the figure: 1. grouting a floral tube; 2. a hole packer; 3. grouting a solid pipe; 4. grouting connectors; 5. an anti-blocking device; 6. a pulping device; 7. a feed box; 8. a first feeding pipe; 9. a first drive motor; 10. a second feeding pipe; 11. a second drive motor; 12. a crushing box; 13. feeding a hopper; 14. a mixing tank; 15. a stirring motor; 16. a support; 17. a mounting frame; 18. a roller; 19. a drive pulley; 20. a driven pulley; 21. a pulverization element; 22. a turntable; 23. a first crushing bar; 24. fixing the disc; 25. a second crushing bar; 26. a belt; 27. a connecting shaft; 28. a grouting pipe; 29. a housing; 30. a connecting rod; 31. a squeegee; 32. a strut; 33. a turbine; 34. a rotating base; 35. an anchor cable body; 36. a grout stopping plug; 37. a tray; 38. an anchorage device; 39. and (5) grouting the connector.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood 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.
Example 1
Referring to fig. 1-6, an inorganic material for reinforcement is composed of the following raw materials by weight: 30 parts of special cement, 0.1 part of accelerating agent, 6 parts of stone powder, 0.4 part of bentonite, 0.2 part of sulfate, 0.1 part of water reducing agent, 0.1 part of calcium silicate powder, 0.1 part of early strength agent, 0 part of fine powder, 0 part of iron powder, 0.2 part of fly ash and 0.3 part of gypsum;
the inorganic material reinforcing process comprises the following steps:
s1, drilling a vertical anchor rod hole in the coal rock mass by using a jumbolter, and inserting an anchor cable into the anchor rod hole;
s2, firstly, adding inorganic materials into a feed box 7 on a pulping device 6, then starting a first driving motor 9 to drive a feeding screw rod to rotate, so that the inorganic materials enter a crushing cavity in a crushing box 12 along a first feeding pipe 8 and a second feeding pipe 10 in sequence, then starting a second driving motor 11 to drive a connecting shaft 27 to rotate through a driving belt pulley 19, a driven belt pulley 20 and a belt 26, because the other end of the connecting shaft 27 is connected with one side of a turntable 22, a plurality of groups of first crushing rods 23 are arranged on the other side of the turntable 22 in an annular array manner, a fixed disc 24 matched with the turntable 22 is arranged on the inner wall of the crushing cavity, a plurality of groups of second crushing rods 25 are arranged on the side wall of the fixed disc 24 close to the turntable 22 in an annular array manner, the first crushing rods 23 are positioned between the second crushing rods 25, so that the inorganic materials are continuously cut and crushed in the crushing cavity through the plurality of groups of first crushing rods 23 and second crushing rods 25, the further crushed inorganic material then falls into the mixing bowl 14;
s3, injecting water into the mixing tank 14 to mix inorganic materials according to a water-cement ratio of 0.28:1, connecting the grouting pipe 28 with the anchor cable, starting the pump body to inject the inorganic material slurry in the mixing tank 14 onto the anchor cable along the grouting pipe 28, and rotating the turbine 33 of the flowing inorganic material slurry when passing through the anti-blocking device 5 on the grouting pipe 28, wherein the middle part of the support rod 32 is rotatably provided with the rotating seat 34, the rotating seat 34 is provided with the turbine 33, the turbine 33 is sleeved on the connecting rod 30, one end of the connecting rod 30 is connected with the rotating seat 34, and the other end of the connecting rod 30 is connected with the scraper 31 to scrape the inner wall of the shell 29 by the scraper 31; then, discharging the inorganic material slurry into the soil of the coal-rock mass from a slurry outlet hole on the anchor cable, and curing the inorganic material slurry to reinforce the soil of the coal-rock mass;
example 2
An inorganic material for reinforcement is composed of the following raw materials in parts by weight: 90 parts of special cement, 20 parts of an accelerating agent, 35 parts of stone powder, 26 parts of bentonite, 10 parts of sulfate, 15 parts of a water reducing agent, 18 parts of calcium silicate powder, 17 parts of an early strength agent, 10 parts of fine powder, 5 parts of iron powder, 20 parts of fly ash and 11 parts of gypsum;
the inorganic material reinforcing process comprises the following steps:
s1, drilling a vertical anchor rod hole in the coal rock mass by using a jumbolter, and inserting an anchor cable into the anchor rod hole;
s2, firstly, adding inorganic materials into a feed box 7 on a pulping device 6, then starting a first driving motor 9 to drive a feeding screw rod to rotate, so that the inorganic materials enter a crushing cavity in a crushing box 12 along a first feeding pipe 8 and a second feeding pipe 10 in sequence, then starting a second driving motor 11 to drive a connecting shaft 27 to rotate through a driving belt pulley 19, a driven belt pulley 20 and a belt 26, because the other end of the connecting shaft 27 is connected with one side of a turntable 22, a plurality of groups of first crushing rods 23 are arranged on the other side of the turntable 22 in an annular array manner, a fixed disc 24 matched with the turntable 22 is arranged on the inner wall of the crushing cavity, a plurality of groups of second crushing rods 25 are arranged on the side wall of the fixed disc 24 close to the turntable 22 in an annular array manner, the first crushing rods 23 are positioned between the second crushing rods 25, so that the inorganic materials are continuously cut and crushed in the crushing cavity through the plurality of groups of first crushing rods 23 and second crushing rods 25, the further crushed inorganic material then falls into the mixing bowl 14;
s3, injecting water into the mixing tank 14 to mix inorganic materials according to a water-cement ratio of 0.4:1, connecting the grouting pipe 28 with the anchor cable, starting the pump body to inject the inorganic material slurry in the mixing tank 14 onto the anchor cable along the grouting pipe 28, and rotating the turbine 33 of the flowing inorganic material slurry when passing through the anti-blocking device 5 on the grouting pipe 28, wherein the middle part of the support rod 32 is rotatably provided with the rotating seat 34, the rotating seat 34 is provided with the turbine 33, the turbine 33 is sleeved on the connecting rod 30, one end of the connecting rod 30 is connected with the rotating seat 34, and the other end of the connecting rod 30 is connected with the scraper 31 to scrape the inner wall of the shell 29 by the scraper 31; and then, discharging the inorganic material slurry into the soil of the coal-rock mass from a slurry outlet hole on the anchor cable, and curing the inorganic material slurry to reinforce the soil of the coal-rock mass.
The pulping device 6 comprises a feeding box 7, a first feeding pipe 8, a first driving motor 9, a second feeding pipe 10, a crushing box 12, a discharging hopper 13, a mixing tank 14, a stirring motor 15, a support 16, a mounting frame 17, rollers 18 and crushing pieces 21, wherein the mounting frame 17 is arranged on one side of the top surface of the support 16, the feeding box 7 is arranged on the top of the mounting frame 17, the discharging end of the feeding box 7 is communicated with the feeding end of the first feeding pipe 8, the first feeding pipe 8 is obliquely arranged, a feeding screw rod is arranged in the first feeding pipe 8 and is connected with the output end of the first driving motor 9, the first driving motor 9 is arranged at the top end of the first feeding pipe 8, the discharging end of the first feeding pipe 8 is communicated with the feeding end of the second feeding pipe 10, the discharging end of the second feeding pipe 10 is communicated with a crushing bin in the crushing box 12, and the second feeding pipe 10 is vertically arranged;
the bottom discharge hole of the crushing box 12 is communicated with a lower hopper 13, the discharge hole of the lower hopper 13 is connected with a mixing tank 14, a stirring motor 15 is arranged on the top surface of the mixing tank 14, the output end of the stirring motor 15 extends into the mixing tank 14 and is connected with a stirring paddle, and the discharge hole at the bottom of the mixing tank 14 is connected with the feed inlet of a grouting pipe 28.
The slurrying device 6 is connected with the feeding end of the anchor cable through a grouting pipe 28, and the bottom of the support 16 is provided with a roller 18.
Smash and be provided with crushing piece 21 in the case 12, crushing piece 21 includes second driving motor 11, drive pulley 19, driven pulley 20, carousel 22, first crushing stick 23, fixed disk 24, the second smashes excellent 25, belt 26, connecting axle 27, the pot head of connecting axle 27 is established at driven pulley 20, the other end of connecting axle 27 extends to in the crushing chamber in smashing case 12, and rotate with smashing case 12 and be connected, the other end of connecting axle 27 is connected with one side of carousel 22, the opposite side annular array of carousel 22 is provided with the first crushing stick 23 of multiunit, be provided with the fixed disk 24 with carousel 22 looks adaptation on the inner wall in crushing chamber, annular array is provided with the second of multiunit and smashes excellent 25 on the lateral wall that fixed disk 24 is close to carousel 22, first crushing stick 23 is located between the second crushing stick 25.
The driven pulley 20 is in transmission connection with the driving pulley 19 through a belt 26, the driving pulley 19 is connected with the output end of the second driving motor 11, and the second driving motor 11 is arranged on the bracket 16.
The position department that slip casting 28 is close to the discharge end is provided with prevents stifled device 5, prevent stifled device 5 and include casing 29, connecting rod 30, scraper blade 31, branch 32, turbine 33, roating seat 34, the middle part of casing 29 is cylindrical structure, both ends are the hemispherical structure, vertically be provided with branch 32 in the inner chamber of casing 29, the middle part of branch 32 is rotated and is installed roating seat 34, be provided with turbine 33 on the roating seat 34, turbine 33 cover is established on connecting rod 30, and connecting rod 30's one end is connected with roating seat 34, connecting rod 30's the other end is connected with scraper blade 31, scraper blade 31 is the L shaped plate, the vertical portion and the other end of connecting rod 30 of scraper blade 31 are connected, the horizontal part and the interior wall connection of casing.
The discharge end of the grouting pipe 28 is connected with the feed end of the anchor rope, the anchor rope is divided into two structures, one anchor rope comprises a grouting perforated pipe 1, a hole packer 2, a grouting solid pipe 3 and a grouting connector 4, the grouting perforated pipe 1 is connected with the grouting solid pipe 3, the hole packer 2 is arranged between the grouting perforated pipe 1 and the grouting solid pipe 3, the feed end of the grouting solid pipe 3 is provided with the grouting connector 4 and is connected with the grouting pipe 28 through the grouting connector 4;
the other anchor cable comprises an anchor cable body 35, a grout stop plug 36, a tray 37, an anchorage 38 and a grouting connector 39; the anchor cable body 35 is provided with a grout stop plug 36, the anchor cable body 35 is provided with a tray 37, one side of the tray 37 is provided with an anchorage 38, and the feed end of the anchor cable body 35 is provided with a grouting connector 39 and is connected with the grouting pipe 28 through the grouting connector 39.
The working principle of the invention is as follows: the inorganic material consisting of 30-90 parts of special cement, 0.1-20 parts of accelerating agent, 6-35 parts of stone powder, 0.4-26 parts of bentonite, 0.2-10 parts of sulfate, 0.1-15 parts of water reducing agent, 0.1-18 parts of calcium silicate powder, 0.1-17 parts of early strength agent, 0-10 parts of fine powder, 0-5 parts of iron powder, 0.2-20 parts of fly ash and 0.3-11 parts of gypsum has the functions of preventing ignition and ensuring the safe production and roadway utilization of a coal mine; repeated repair of the tunnel is avoided, inclined walls and roof fall are prevented, and the device is simple to operate, safe and reliable; the method has the advantages of economy and applicability, and lower cost compared with other materials and processes for reinforcing and grouting, and solves the problems that in the prior art, coal mines are more and more frequent along with roof accidents, roof collapse, inclined slope, roadway deformation and the like, and the safe production of the coal mines is restricted;
drilling a vertical anchor rod hole in the coal rock mass by using an anchor rod drilling machine, and inserting an anchor cable into the anchor rod hole; the soil property is firmer after the coal-rock mass is grouted by the anchor cable, the grouting diffusion area is large, the fluidity is strong, the bonding degree is high, the support is strong, the service life of the coal-rock mass is prolonged, the safety is guaranteed, and the method is economical and practical; thereby solving the problems of loose coal body, roof fall, inclined slope, tunnel deformation, fault crossing and the like in the prior art;
firstly, inorganic materials are added into a feeding box 7 on a pulping device 6, then a first driving motor 9 is started to drive a feeding screw rod to rotate, so that the inorganic materials enter a crushing cavity in a crushing box 12 along a first feeding pipe 8 and a second feeding pipe 10 in sequence, then a second driving motor 11 is started, a driving belt pulley 19, a driven belt pulley 20 and a belt 26 drive a connecting shaft 27 to rotate, because the other end of the connecting shaft 27 is connected with one side of a turntable 22, a plurality of groups of first crushing rods 23 are arranged on the other side of the turntable 22 in an annular array manner, a fixed disc 24 matched with the turntable 22 is arranged on the inner wall of the crushing cavity, a plurality of groups of second crushing rods 25 are arranged on the side wall of the fixed disc 24 close to the turntable 22 in an annular array manner, the first crushing rods 23 are positioned between the second crushing rods 25, so that the inorganic materials are continuously cut and crushed by the plurality of groups of first crushing rods 23 and second crushing rods 25 in the, the further crushed inorganic material then falls into the mixing bowl 14; the inorganic material can be effectively ground by the arranged crushing piece 21, and the inorganic material components are fully mixed in the grinding process, so that the pulping efficiency of the inorganic material is greatly improved;
injecting water into the mixing tank 14 to mix inorganic materials according to a water-cement ratio of 0.28-0.4:1, then connecting the grouting pipe 28 with the anchor cable, starting the pump body, injecting the inorganic material slurry in the mixing tank 14 onto the anchor cable along the grouting pipe 28, and when passing through the anti-blocking device 5 on the grouting pipe 28, rotating the flowing inorganic material slurry turbine 33, wherein the middle part of the support rod 32 is rotatably provided with the rotating seat 34, the rotating seat 34 is provided with the turbine 33, the turbine 33 is sleeved on the connecting rod 30, one end of the connecting rod 30 is connected with the rotating seat 34, and the other end of the connecting rod 30 is connected with the scraper 31, so that the scraper 31 scrapes the inner wall of the shell 29; then, the inorganic material slurry is discharged into the soil of the coal rock mass from a slurry outlet hole on the anchor cable, and the inorganic material slurry is solidified, so as to reinforce the soil of the coal rock mass, the anti-blocking device 5 scrapes the bent part of the joint of the grouting pipe 28 and the anchor cable, so that the problem that the reinforcing efficiency is influenced by the reduced caliber of the grouting pipe 28 when the inorganic material is used next time can not occur, and the problems in the prior art are solved, the pouring opening of the grouting equipment is connected with the feeding opening of the anchor cable, and the pipeline at the connection part is easy to bend, therefore, when grouting work is carried out, slurry is easy to adhere to the position of the pouring opening, and concrete is easy to harden on the inner wall of the pouring opening when work is stopped, so that the problem of difficulty in next use is solved.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise forms disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (9)
1. An inorganic material for reinforcement, characterized in that: the composition is characterized by comprising the following raw materials in parts by weight: 30-90 parts of special cement, 0.1-20 parts of an accelerator, 6-35 parts of stone powder, 0.4-26 parts of bentonite, 0.2-10 parts of sulfate, 0.1-15 parts of a water reducer, 0.1-18 parts of calcium silicate powder, 0.1-17 parts of an early strength agent, 0-10 parts of fine powder, 0-5 parts of iron powder, 0.2-20 parts of fly ash and 0.3-11 parts of gypsum;
the inorganic material reinforcing process comprises the following steps:
s1, drilling a vertical anchor rod hole in the coal rock mass by using a jumbolter, and inserting an anchor cable into the anchor rod hole;
s2, firstly, inorganic materials are added into a feeding box (7) on a pulping device (6), then a first driving motor (9) is started to drive a feeding screw rod to rotate, so that the inorganic materials enter a crushing cavity in a crushing box (12) along a first feeding pipe (8) and a second feeding pipe (10) in sequence, then a second driving motor (11) is started, a driving belt pulley (19), a driven belt pulley (20) and a belt (26) drive a connecting shaft (27) to rotate, because the other end of the connecting shaft (27) is connected with one side of a turntable (22), a plurality of groups of first crushing rods (23) are arranged in an annular array on the other side of the turntable (22), a fixed disk (24) matched with the turntable (22) is arranged on the inner wall of the crushing cavity, a plurality of groups of second crushing rods (25) are arranged in an annular array on the side wall of the fixed disk (24) close to the turntable (22), the first crushing rod (23) is positioned between the second crushing rods (25), so that the inorganic materials are continuously cut and crushed in the crushing cavity through a plurality of groups of the first crushing rod (23) and the second crushing rod (25), and then the further crushed inorganic materials fall into the material mixing tank (14);
s3, injecting water into the mixing tank (14) to mix inorganic materials according to a water-cement ratio of 0.28-0.4:1, then connecting the grouting pipe (28) with the anchor cable, starting the pump body, injecting the inorganic material slurry in the mixing tank (14) onto the anchor cable along the grouting pipe (28), and when the inorganic material slurry passes through the anti-blocking device (5) on the grouting pipe (28), rotating the flowing inorganic material slurry turbine (33), wherein the rotating seat (34) is rotatably arranged in the middle of the support rod (32), the turbine (33) is arranged on the rotating seat (34), the turbine (33) is sleeved on the connecting rod (30), one end of the connecting rod (30) is connected with the rotating seat (34), and the other end of the connecting rod (30) is connected with the scraper (31), so that the scraper (31) scrapes the inner wall of the shell (29); and then, discharging the inorganic material slurry into the soil of the coal-rock mass from a slurry outlet hole on the anchor cable, and curing the inorganic material slurry to reinforce the soil of the coal-rock mass.
2. The inorganic material for reinforcement according to claim 1, wherein the slurry making device (6) comprises a feed box (7), a first feeding pipe (8), a first driving motor (9), a second feeding pipe (10), a crushing box (12), a discharging hopper (13), a mixing tank (14), a stirring motor (15), a support (16), a mounting frame (17), rollers (18) and a crushing member (21), wherein the mounting frame (17) is arranged on one side of the top surface of the support (16), the feed box (7) is arranged on the top of the mounting frame (17), the discharging end of the feed box (7) is communicated with the feeding end of the first feeding pipe (8), the first feeding pipe (8) is obliquely arranged, a feeding screw rod is arranged in the first feeding pipe (8) and is connected with the output end of the first driving motor (9), the first driving motor (9) is arranged on the top end of the first feeding pipe (8), the discharge end of the first feeding pipe (8) is communicated with the feed end of the second feeding pipe (10), the discharge end of the second feeding pipe (10) is communicated with a crushing bin in the crushing box (12), and the second feeding pipe (10) is vertically arranged;
the bottom discharge hole of the crushing box (12) is communicated with the lower hopper (13), the discharge hole of the lower hopper (13) is connected with the mixing tank (14), the top surface of the mixing tank (14) is provided with a stirring motor (15), the output end of the stirring motor (15) extends into the mixing tank (14) and is connected with a stirring paddle, and the discharge hole of the bottom of the mixing tank (14) is connected with the feed inlet of the grouting pipe (28).
3. Inorganic material for reinforcement according to claim 1, characterized in that the slurrying device (6) is connected to the feed end of the anchor line via a slip casting pipe (28), and that the bottom of the bracket (16) is provided with rollers (18).
4. The inorganic material for reinforcement according to claim 2, wherein a crushing member (21) is disposed in the crushing box (12), the crushing member (21) comprises a second driving motor (11), a driving pulley (19), a driven pulley (20), a turntable (22), a first crushing rod (23), a fixed disk (24), a second crushing rod (25), a belt (26) and a connecting shaft (27), one end of the connecting shaft (27) is sleeved on the driven pulley (20), the other end of the connecting shaft (27) extends into a crushing cavity in the crushing box (12) and is rotatably connected with the crushing box (12), the other end of the connecting shaft (27) is connected with one side of the turntable (22), the other side of the turntable (22) is annularly arrayed with a plurality of groups of first crushing rods (23), and the fixed disk (24) matched with the turntable (22) is disposed on the inner wall of the crushing cavity, a plurality of groups of second crushing rods (25) are arranged on the side wall of the fixed disc (24) close to the rotary disc (22) in an annular array mode, and the first crushing rods (23) are located between the second crushing rods (25).
5. The inorganic material for reinforcement according to claim 4, wherein the driven pulley (20) is drivingly connected to the driving pulley (19) via a belt (26), the driving pulley (19) being connected to an output of the second driving motor (11), the second driving motor (11) being disposed on the bracket (16).
6. The inorganic material for reinforcement according to claim 1, wherein the position of the grouting pipe (28) near the discharge end is provided with an anti-blocking device (5), the anti-blocking device (5) comprises a shell (29), a connecting rod (30), a scraper (31), a support rod (32), a turbine (33) and a rotary seat (34), the middle part of the shell (29) is of a cylindrical structure, the two ends of the shell are of hemispherical structures, the support rod (32) is vertically arranged in the inner cavity of the shell (29), the middle part of the support rod (32) is rotatably provided with the rotary seat (34), the rotary seat (34) is provided with the turbine (33), the turbine (33) is sleeved on the connecting rod (30), one end of the connecting rod (30) is connected with the rotary seat (34), the other end of the connecting rod (30) is connected with the scraper (31), the scraper (31) is an L-shaped plate, the vertical part of the scraper (31) is connected with the other end, the horizontal part of the scraper (31) is connected with the inner wall of the shell (29).
7. Inorganic material for reinforcement according to claim 1, characterized in that the outlet end of the grouting pipe (28) is connected to the inlet end of a cable bolt, which has two configurations.
8. The inorganic material for reinforcement according to claim 7, wherein the anchor cable comprises a grouting perforated pipe (1), a hole packer (2), a grouting solid pipe (3) and a grouting connector (4), the grouting perforated pipe (1) is connected with the grouting solid pipe (3), the hole packer (2) is arranged between the grouting perforated pipe (1) and the grouting solid pipe (3), the grouting connector (4) is arranged at the feeding end of the grouting solid pipe (3), and the grouting perforated pipe is connected with the grouting pipe (28) through the grouting connector (4).
9. An inorganic material for reinforcement according to claim 7, wherein another cable bolt comprises a cable bolt body (35), a grout stop plug (36), a tray (37), an anchor (38), a grouting connector (39); the anchor cable body (35) is provided with a grout stop plug (36), the anchor cable body (35) is provided with a tray (37), one side of the tray (37) is provided with an anchorage device (38), and the feeding end of the anchor cable body (35) is provided with a grouting connector (39) and is connected with a grouting pipe (28) through the grouting connector (39).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011004431.7A CN112125585A (en) | 2020-09-22 | 2020-09-22 | Inorganic material for reinforcement |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011004431.7A CN112125585A (en) | 2020-09-22 | 2020-09-22 | Inorganic material for reinforcement |
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| CN112125585A true CN112125585A (en) | 2020-12-25 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114876404A (en) * | 2022-06-20 | 2022-08-09 | 中煤科工集团重庆研究院有限公司 | Grouting hole packer |
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|---|---|---|---|---|
| CN102199025A (en) * | 2011-04-06 | 2011-09-28 | 同济大学 | Structure reinforcing material taking steel slag as aggregate |
| CN203998019U (en) * | 2014-03-20 | 2014-12-10 | 武汉钢铁(集团)公司 | Iron powder band conveyor magnetic adsorption type distributing device |
| CN209917983U (en) * | 2019-04-29 | 2020-01-10 | 福建新正阳饲料科技有限公司 | Popped fodder reducing mechanism |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102199025A (en) * | 2011-04-06 | 2011-09-28 | 同济大学 | Structure reinforcing material taking steel slag as aggregate |
| CN203998019U (en) * | 2014-03-20 | 2014-12-10 | 武汉钢铁(集团)公司 | Iron powder band conveyor magnetic adsorption type distributing device |
| CN209917983U (en) * | 2019-04-29 | 2020-01-10 | 福建新正阳饲料科技有限公司 | Popped fodder reducing mechanism |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114876404A (en) * | 2022-06-20 | 2022-08-09 | 中煤科工集团重庆研究院有限公司 | Grouting hole packer |
| CN114876404B (en) * | 2022-06-20 | 2023-06-27 | 中煤科工集团重庆研究院有限公司 | Grouting hole packer |
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