CN113024172A - Preparation method of high-strength corrosion-resistant concrete pipe pile - Google Patents
Preparation method of high-strength corrosion-resistant concrete pipe pile Download PDFInfo
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- CN113024172A CN113024172A CN202110348771.XA CN202110348771A CN113024172A CN 113024172 A CN113024172 A CN 113024172A CN 202110348771 A CN202110348771 A CN 202110348771A CN 113024172 A CN113024172 A CN 113024172A
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- 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
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- 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
- C04B20/00—Use of materials as fillers for mortars, concrete or artificial stone according to more than one of groups C04B14/00 - C04B18/00 and characterised by shape or grain distribution; Treatment of materials according to more than one of the groups C04B14/00 - C04B18/00 specially adapted to enhance their filling properties in mortars, concrete or artificial stone; Expanding or defibrillating materials
- C04B20/02—Treatment
- C04B20/026—Comminuting, e.g. by grinding or breaking; Defibrillating fibres other than asbestos
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- 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
- C04B2111/20—Resistance against chemical, physical or biological attack
Abstract
The invention discloses a preparation method of a high-strength corrosion-resistant concrete pipe pile, which comprises the following steps of S1: weighing 32-42 parts of river sand, 18-35 parts of stones, 3-11 parts of perlite powder, 1-5 parts of superfine mineral powder, 85-125 parts of cement, 7-22 parts of modified plant ash, 1-9 parts of a water reducing agent, 6-54 parts of slag, 4-21 parts of silicate alkali, 1-8 parts of polypropylene fibers and 42-72 parts of water in parts by weight; s2: mixing river sand, pebbles, perlite powder and slag, adding the mixture into a grinder for grinding to prepare a mixture A; carry out fine crushing through crushing case inner chamber pivoted initiative crushing roller and driven crushing roller will smash not enough even river sand, pebble, pearlite powder and slay to the granularity that makes river sand, pebble, pearlite powder and slay is more even, and then has improved concrete pipe pile's structural strength.
Description
Technical Field
The invention relates to the technical field of building construction, in particular to a preparation method of a high-strength corrosion-resistant concrete pipe pile.
Background
The pipe piles are classified into post-tensioned prestressed pipe piles, pre-tensioned prestressed pipe piles, prestressed concrete pipe piles (PC pipe piles), prestressed concrete thin-wall pipe piles (PTC pipe piles) and high-strength prestressed concrete pipe piles (PHC pipe piles). The pre-tensioning prestressed pipe pile is a hollow cylindrical elongated concrete prefabricated member made up by adopting pre-tensioning prestressed process and centrifugal forming method, mainly formed from cylindrical pile body, end plate and steel ferrule.
A plurality of different raw materials can be added into the tubular pile in the manufacturing process, and the strength and the corrosion resistance of the concrete tubular pile are greatly reduced because the mixing uniformity of the raw materials is poor and the granularity of the raw materials cannot meet the requirement in the preparation process of the traditional concrete tubular pile.
Therefore, a preparation method and a preparation device of the high-strength corrosion-resistant concrete pipe pile are provided.
Disclosure of Invention
The technical task of the invention is to provide a preparation method and a preparation device of a high-strength corrosion-resistant concrete pipe pile, aiming at the defects, river sand, pebbles, perlite powder and slag which are not uniformly crushed are finely crushed by a driving crushing roller and a driven crushing roller which rotate in the inner cavity of a crushing box, agglomerated modified grass wood, silicate and polypropylene fiber are crushed at the same time, the river sand, the pebbles, the perlite powder, the slag, the modified grass wood, the silicate and the polypropylene fiber are mixed by a premixing box to obtain a mixture, and the mixture is slowly conveyed into a first box body by a reverse positive and negative motor, so that the problem of nonuniform mixing when the mixture is mixed with cement is avoided, the structural strength of the concrete is greatly improved, and the problem is solved.
The technical scheme of the invention is realized as follows:
the invention provides a preparation method of a high-strength corrosion-resistant concrete pipe pile, which comprises the following steps:
s1: weighing 32-42 parts of river sand, 18-35 parts of stones, 3-11 parts of perlite powder, 1-5 parts of superfine mineral powder, 85-125 parts of cement, 7-22 parts of modified plant ash, 1-9 parts of a water reducing agent, 6-54 parts of slag, 4-21 parts of silicate alkali, 1-8 parts of polypropylene fibers and 42-72 parts of water in parts by weight;
s2: mixing river sand, pebbles, perlite powder and slag, adding the mixture into a grinder for grinding to prepare a mixture A;
s3: starting a crushing motor, slowly adding the mixture A into a second box body through an opening in the top of the second box body, finely crushing raw materials in the mixture A through a driving crushing roller and a driven crushing roller which rotate in opposite directions, enabling the raw materials to fall into a third box body through a collecting hopper after fine crushing, enabling the raw materials in the mixture A to be more uniform, then slowly adding modified vegetation, silicic acid alkali and polypropylene fibers into the second box body through an opening in the top of the second box body, crushing blocky modified vegetation, silicic acid alkali and polypropylene fibers through the driving crushing roller and the driven crushing roller which rotate in opposite directions, enabling the crushed mixture to fall into an inner cavity of the third box body through the collecting hopper, and preparing a mixture B with the mixture A;
s4: the positive and negative motors are started, so that the output shafts of the positive and negative motors rotate clockwise, the output shafts of the positive and negative motors drive the mixing rods to rotate through the mixing shafts, the mixing rods drive the mixing shovels to rotate, the mixing shovels stir the mixture B, meanwhile, the mixing shafts drive the spiral blades to rotate, the spiral blades lift the mixture B located at the center of the third box body, and the uniformity of the mixture B is further improved;
s5: adding cement, a water reducing agent and water into an inner cavity of a first box body through the top of the first box body, then installing a movable mounting cover at the top of the first box body, starting a stirring motor, driving an output shaft of the stirring motor to rotate a stirring rod, stirring the cement and the water in the inner cavity of the first box body by the stirring rod through a stirring blade, wherein the rotation speed is 400 revolutions per minute, after the stirring time is 10-20min, starting a positive and negative motor to enable the output shaft of the positive and negative motor to rotate anticlockwise, driving a spiral blade to rotate anticlockwise through a mixing shaft by the output shaft of the positive and negative motor, spirally conveying the uniformly mixed mixture B in S4 to an inner cavity of a discharging pipe by the spiral blade, sliding the mixture B into the inner cavity of the first box body under the action of gravity, achieving the purpose of adding the mixture B while stirring until the mixture B in the inner cavity of a third box body is completely conveyed to the inner cavity of a third, continuously stirring for 40-70min at the rotation speed of 250-500 rpm to obtain concrete;
s6: conveying the concrete obtained in the step S5 to a mould through a concrete outlet pipe, and putting the reinforcing steel bars into the mould for drying;
s7: and (4) putting the dried concrete mould in the S6 into a steam curing pool for steam curing, standing for a period of time, then putting into a pressure steaming kettle, and performing pressure steaming to obtain the concrete pipe pile.
Preferably, the stirring speed in the step S4 is 300-500 rpm, and the stirring time is 30-40 min.
Preferably, the counterclockwise rotation speed of the forward and reverse motor in S5 is 100-200 rpm.
Preferably, the drying temperature in S6 is 110-130 ℃, and the drying time is 25-40 min.
Preferably, the standing time in the S7 is 40-60 min.
The utility model provides a preparation facilities of corrosion-resistant concrete pipe pile of high strength, includes: the crushing device comprises a base, a mixing box, a crushing box and a premixing box, wherein the mixing box is fixedly arranged on one side of the top of the base, the premixing box is fixedly arranged on the other side of the top of the base, and the crushing box is fixedly arranged on the top of the premixing box;
the mixing box comprises a first box body, wherein a first fixing ring is welded on the surface of the first box body, four support columns are welded at the bottom of the first fixing ring, the support columns are fixedly mounted at the top of a base, a movable mounting cover is movably mounted at the top of the first box body, a first motor box is fixedly mounted at the top of the movable mounting cover, a stirring motor is fixedly mounted in an inner cavity of the first motor box, a stirring rod is welded on an output shaft of the stirring motor, the bottom end of the stirring rod penetrates through the first box body, three groups of stirring blades are welded on the outer side of the stirring rod, the three groups of stirring blades are uniformly arranged on the surface of the stirring rod from top to bottom, and a concrete outlet pipe is communicated with the center of the bottom of the first box body;
wherein the premixing box comprises a third box body, a second fixing ring is welded on the surface of the third box body, the bottom of the second fixing ring is fixedly arranged at the top of the base through a support rod, a blanking pipe is communicated with the bottom of the third box body, one end, far away from the third box body, of the blanking pipe penetrates through the first box body and is communicated with the first box body, a fixing frame is welded at the top of an inner cavity of the third box body, a third motor box is fixedly arranged at the top of the fixing frame, a positive and negative motor is fixedly arranged in an inner cavity of the third motor box, a mixing shaft is welded on an output shaft of the positive and negative motor, the bottom end of the mixing shaft penetrates through the fixing frame, the bottom end of the mixing shaft extends to the inner cavity of the blanking pipe, spiral blades are welded at the bottom of the surface of the mixing shaft, a sleeve ring is sleeved at, the two mixing rods are symmetrically arranged, the bottom ends of the mixing rods are welded with mixing shovels, the bottoms of the mixing shovels are in contact with the bottom of the inner wall of the third box body, the top of the third box body is welded with a material collecting hopper, and the bottom of the material collecting hopper is communicated with the third box body;
wherein, the crushing box comprises a second box body which is fixedly arranged at the top of the collecting hopper, one side of the second box body is welded with a second motor box, the inner cavity of the second motor box is fixedly provided with a crushing motor, the front side of the inner cavity of the second box body is rotatably connected with a driven shaft, one end of the driven shaft penetrates through the driven pulley and is welded with the driven pulley, the driven pulley is positioned at one side far away from the crushing motor, the rear side of the inner cavity of the second box body is rotatably connected with a driving shaft, one end of the driving shaft penetrates through the second box body and is welded with a driving pulley, the other end of the driving shaft penetrates through the second box body and is welded with an output shaft of the crushing motor, the driving pulley and the driven pulley are positioned at the same side, the driving pulley and the driven pulley are connected by belt transmission, and the surface of, the initiative crushing roller is located the inner chamber of second box, the skin weld of driven shaft has driven crushing roller, driven crushing roller is located the inner chamber of initiative crushing roller, initiative crushing roller and driven crushing roller meshing, initiative crushing roller uses with driven crushing roller cooperation, one side welding that the second motor case was kept away from to broken case has the fixed case.
Preferably, the two mixing shovels are identical in shape and size, the surfaces of the mixing shovels are smooth, and the mixing shovels are semi-conical in shape.
Preferably, the bottom end of the spiral blade penetrates through the blanking pipe, and the top end of the spiral blade extends to the center of the inner cavity of the third box body.
Preferably, the top of the third motor box is welded with a top block, the top block is conical, the outer surface of the top block is smooth, and the diameter of the bottom surface of the top block is larger than that of the third motor box.
Preferably, baffles are welded on the front side and the rear side of the top of the inner cavity of the second box body, the surfaces of the two baffles are smooth, the two baffles are symmetrically arranged, and the inclination angle of each baffle is 20-60 degrees.
Compared with the prior art, the invention has the advantages and positive effects that:
1. according to the invention, river sand, pebbles, perlite powder and slag which are not uniformly crushed are finely crushed by the driving crushing roller and the driven crushing roller which rotate in the inner cavity of the crushing box, so that the granularity of the river sand, the pebbles, the perlite powder and the slag is more uniform, and the structural strength of the concrete pipe pile is further improved;
2. according to the invention, the agglomerated modified vegetation, the silicic acid alkali and the polypropylene fiber are crushed by the driving crushing roller and the driven crushing roller which rotate in the inner cavity of the crushing box, so that the mixing efficiency and the mixing uniformity can be effectively improved;
3. according to the invention, the mixed material is slowly conveyed into the first box body by reversing the positive and negative motors, so that the condition that caking is easily caused by adding the mixed material at one time is avoided, the problem of uneven mixing when the mixed material is mixed with cement is solved, and the structural strength of the concrete is greatly improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments 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 to obtain other drawings without creative efforts.
Fig. 1 is a flowchart of a method for manufacturing a high-strength corrosion-resistant concrete pipe pile according to an embodiment of the present invention;
fig. 2 is a schematic structural view of a device for preparing a concrete pipe pile according to an embodiment of the present invention;
fig. 3 is a schematic structural view of another view of a device for preparing a concrete pipe pile according to an embodiment of the present invention;
FIG. 4 is a schematic cross-sectional view of a concrete mixing box according to an embodiment of the present invention;
FIG. 5 is a schematic structural view of a stirring rod according to an embodiment of the present invention;
FIG. 6 is a schematic cross-sectional view of a crushing tank and a premix tank according to an embodiment of the invention;
FIG. 7 is a schematic top cross-sectional view of a crushing bin according to an embodiment of the invention;
FIG. 8 is a schematic illustration of the cooperative construction of a driving crushing roller and a driven crushing roller in accordance with an embodiment of the present invention;
FIG. 9 is a schematic top view of a premix tank according to an embodiment of the invention;
FIG. 10 is a schematic diagram of a mating arrangement of a mixing shaft and helical lobes according to an embodiment of the present invention.
In the figure: 1. a base; 2. a mixing box; 3. a crushing box; 4. a premix tank; 21. a first case; 22. a movable mounting cover; 23. a first motor case; 24. a first retaining ring; 25. a support pillar; 26. a concrete outlet pipe; 27. a stirring rod; 28. stirring blades; 29. a stirring motor; 31. a second case; 32. a baffle plate; 33. a fixed box; 34. an active crushing roller; 35. a driven crushing roller; 36. a second motor case; 37. a crushing motor; 38. a drive shaft; 39. a drive pulley; 310. a belt; 311. a driven pulley; 312. a driven shaft; 41. a third box body; 42. a second retaining ring; 43. a collection hopper; 44. a fixed mount; 45. a third motor case; 46. a positive and negative motor; 47. a mixing rod; 48. helical leaves; 49. a discharging pipe; 410. a top block; 411. a collar; 412. mixing and shoveling; 413. a mixing shaft.
Detailed Description
In order that the above objects, features and advantages of the present invention can be more clearly understood, the present invention will be further described with reference to the accompanying drawings and examples. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.
The invention is further described with reference to the following figures and specific examples.
Example 1
As shown in fig. 1, a method for preparing a high-strength corrosion-resistant concrete pipe pile according to an embodiment of the present invention includes the following steps:
s1: weighing 37 parts of river sand, 27 parts of stones, 7 parts of perlite powder, 5 parts of superfine mineral powder, 97 parts of cement, 17 parts of modified plant ash, 7 parts of water reducing agent, 37 parts of slag, 17 parts of silicate alkali, 5 parts of polypropylene fiber and 67 parts of water in parts by weight;
s2: mixing river sand, pebbles, perlite powder and slag, adding the mixture into a grinder for grinding to prepare a mixture A;
s3: starting a crushing motor 37, slowly adding the mixture A into the second box 31 through an opening at the top of the second box 31, finely crushing the raw materials in the mixture A through a driving crushing roller 34 and a driven crushing roller 35 which rotate oppositely, dropping the finely crushed raw materials into a third box 41 through a collecting hopper 43 so as to make the raw materials in the mixture A more uniform, then slowly adding the modified vegetation, the alkali silicate and the polypropylene fibers into the second box 31 through an opening at the top of the second box 31, crushing the blocky modified vegetation, the alkali silicate and the polypropylene fibers through the driving crushing roller 34 and the driven crushing roller 35 which rotate oppositely, dropping the crushed mixture A into an inner cavity of the third box 41 through the collecting hopper 43, and preparing a mixture B with the mixture A;
s4: the forward and reverse motor 46 is started, so that the output shaft of the forward and reverse motor 46 rotates clockwise, the output shaft of the forward and reverse motor 46 drives the mixing rod 47 to rotate through the mixing shaft 413, the mixing rod 47 drives the mixing shovel 412 to rotate, the mixing shovel 412 stirs the mixture B, the stirring speed is 400 rpm, the stirring time is 37min, meanwhile, the mixing shaft 413 drives the spiral blade 48 to rotate, the spiral blade 48 lifts the mixture B located at the center of the third box 41, and the uniformity of the mixture B is further improved;
s5: adding cement, a water reducing agent and water into the inner cavity of the first box 21 through the top of the first box 21, then installing the movable installation cover 22 at the top of the first box 21, then starting the stirring motor 29, driving the stirring rod 27 to rotate by the output shaft of the stirring motor 29, stirring the cement and the water in the inner cavity of the first box 21 by the stirring rod 27 through the stirring blade 28, wherein the rotation speed is 300 revolutions per minute, after the stirring time is 20min, starting the positive and negative motor 46 to enable the output shaft of the positive and negative motor 46 to rotate anticlockwise, driving the spiral blade 48 to rotate anticlockwise by the output shaft of the positive and negative motor 46 through the mixing shaft 413, enabling the anticlockwise rotation speed of the positive and negative motor 46 in S5 to be 100 revolutions per minute, spirally conveying the uniformly mixed mixture B in S4 to the inner cavity of the blanking pipe 49 by the spiral blade 48, sliding the mixture B into the inner cavity of the first box 21 under the action of gravity, and achieving the purpose of adding, until the mixture B in the inner cavity of the third box body 41 is completely conveyed to the inner cavity of the third box body 41, continuously stirring for 60min at the rotation speed of 400 rpm to obtain concrete;
s6: conveying the concrete obtained in the step S5 to a mold through a concrete outlet pipe 26, putting the reinforcing steel bars into the mold, and drying at 120 ℃ for 35 min;
s7: and (4) putting the dried concrete mould in the S6 into a steam curing pool for steam curing, standing for 50min, then putting into a pressure steaming kettle, and performing pressure steaming to obtain the concrete pipe pile.
The utility model provides a preparation facilities of corrosion-resistant concrete pipe pile of high strength, includes: the crushing device comprises a base 1, a mixing box 2, a crushing box 3 and a premixing box 4, wherein the mixing box 2 is fixedly arranged on one side of the top of the base 1, the premixing box 4 is fixedly arranged on the other side of the top of the base 1, and the crushing box 3 is fixedly arranged on the top of the premixing box 4;
the mixing box 2 comprises a first box body 21, a first fixing ring 24 is welded on the surface of the first box body 21, four support columns 25 are welded at the bottom of the first fixing ring 24, the support columns 25 are fixedly mounted at the top of the base 1, a movable mounting cover 22 is movably mounted at the top of the first box body 21, a first motor box 23 is fixedly mounted at the top of the movable mounting cover 22, a stirring motor 29 is fixedly mounted in an inner cavity of the first motor box 23, a stirring rod 27 is welded on an output shaft of the stirring motor 29, the bottom end of the stirring rod 27 penetrates through the first box body 21, three groups of stirring blades 28 are welded on the outer side of the stirring rod 27, the three groups of stirring blades 28 are uniformly arranged on the surface of the stirring rod 27 from top to bottom, and a concrete outlet pipe 26 is communicated with the;
wherein, the premixing box 4 comprises a third box 41, a second fixing ring 42 is welded on the surface of the third box 41, the bottom of the second fixing ring 42 is fixedly installed on the top of the base 1 through a support rod, the bottom of the third box 41 is communicated with a blanking pipe 49, one end of the blanking pipe 49 far away from the third box 41 penetrates through the first box 21 and is communicated with the first box 21, a fixing frame 44 is welded on the top of the inner cavity of the third box 41, a third motor box 45 is fixedly installed on the top of the fixing frame 44, a positive and negative motor 46 is fixedly installed in the inner cavity of the third motor box 45, a mixing shaft 413 is welded on the output shaft of the positive and negative motor 46, the bottom end of the mixing shaft 413 penetrates through the fixing frame 44, the bottom end of the mixing shaft 413 extends to the inner cavity of the blanking pipe 49, a spiral blade 48 is welded on the bottom of the surface of the mixing shaft 413, a sleeve, the two mixing rods 47 are symmetrically arranged, the mixing shovels 412 are welded at the bottom ends of the mixing rods 47, the bottoms of the mixing shovels 412 are in contact with the bottom of the inner wall of the third box body 41, the material collecting hopper 43 is welded at the top of the third box body 41, and the bottom of the material collecting hopper 43 is communicated with the third box body 41;
wherein, the crushing box 3 comprises a second box 31, the second box 31 is fixedly arranged at the top of the collecting hopper 43, one side of the second box 31 is welded with a second motor box 36, the inner cavity of the second motor box 36 is fixedly provided with a crushing motor 37, the front side of the inner cavity of the second box 31 is rotatably connected with a driven shaft 312, one end of the driven shaft 312 penetrates through the driven pulley 311 and is welded with the driven pulley 311, the driven pulley 311 is positioned at one side far away from the crushing motor 37, the rear side of the inner cavity of the second box 31 is rotatably connected with a driving shaft 38, one end of the driving shaft 38 penetrates through the second box 31 and is welded with a driving pulley 39, the other end of the driving shaft 38 penetrates through the second box 31 and is welded with an output shaft of the crushing motor 37, the driving pulley 39 is at the same side with the driven pulley 311, the driving pulley 39 is in transmission connection with the driven, initiative crushing roller 34 is located the inner chamber of second box 31, and driven shaft 312's skin weld has driven crushing roller 35, and driven crushing roller 35 is located initiative crushing roller 34's inner chamber, and initiative crushing roller 34 and driven crushing roller 35 mesh, and initiative crushing roller 34 uses with driven crushing roller 35 cooperation, and the welding of one side that second motor case 36 was kept away from to broken case 31 has fixed case 38.
The shape and size of the two mixing shovels 412 are consistent, the surface of the mixing shovel 412 is smooth, the mixing shovel 412 is in the shape of a semi-circular cone, and by adopting the technical scheme, the mixture can be prevented from being deposited on the surface of the mixing shovel 412.
The bottom end of the spiral blade 48 penetrates through the discharging pipe 49, the top end of the spiral blade 48 extends to the center of the inner cavity of the third box body 41, by adopting the technical scheme, the spiral blade 48 rotates anticlockwise, the mixture in the inner cavity of the third box body 41 can be conveyed to the inner cavity of the discharging pipe 49, the spiral blade 48 rotates clockwise, and the mixture can be prevented from entering the inner cavity of the discharging pipe 49.
The welding of the top of third motor case 45 has kicking block 410, and the shape of kicking block 410 is conical, and the surface of kicking block 410 is smooth, and the bottom surface diameter of kicking block 410 is greater than the diameter of third motor case 45, through adopting above-mentioned technical scheme, can avoid the broken back deposit of raw materials at the top of third motor case 45, and then avoid the waste of raw materials.
Example 2
More specifically, as shown in fig. 1, the difference between this embodiment and the above embodiment is that a method for preparing a high-strength corrosion-resistant concrete pipe pile includes the following steps:
s1: weighing 42 parts of river sand, 25 parts of stones, 7 parts of perlite powder, 2 parts of superfine mineral powder, 110 parts of cement, 11 parts of modified plant ash, 7 parts of water reducing agent, 35 parts of slag, 17 parts of silicate alkali, 2 parts of polypropylene fiber and 66 parts of water in parts by weight;
s2: mixing river sand, pebbles, perlite powder and slag, adding the mixture into a grinder for grinding to prepare a mixture A;
s3: starting a crushing motor 37, slowly adding the mixture A into the second box 31 through an opening at the top of the second box 31, finely crushing the raw materials in the mixture A through a driving crushing roller 34 and a driven crushing roller 35 which rotate oppositely, dropping the finely crushed raw materials into a third box 41 through a collecting hopper 43 so as to make the raw materials in the mixture A more uniform, then slowly adding the modified vegetation, the alkali silicate and the polypropylene fibers into the second box 31 through an opening at the top of the second box 31, crushing the blocky modified vegetation, the alkali silicate and the polypropylene fibers through the driving crushing roller 34 and the driven crushing roller 35 which rotate oppositely, dropping the crushed mixture A into an inner cavity of the third box 41 through the collecting hopper 43, and preparing a mixture B with the mixture A;
s4: the forward and reverse motor 46 is started, so that the output shaft of the forward and reverse motor 46 rotates clockwise, the output shaft of the forward and reverse motor 46 drives the mixing rod 47 to rotate through the mixing shaft 413, the mixing rod 47 drives the mixing shovel 412 to rotate, the mixing shovel 412 stirs the mixture B, the stirring speed is 350 rpm, the stirring time is 34min, meanwhile, the mixing shaft 413 drives the spiral blade 48 to rotate, the spiral blade 48 lifts the mixture B located at the center of the third box 41, and the uniformity of the mixture B is further improved;
s5: adding cement, a water reducing agent and water into the inner cavity of the first box 21 through the top of the first box 21, then installing the movable installation cover 22 at the top of the first box 21, then starting the stirring motor 29, driving the stirring rod 27 to rotate by the output shaft of the stirring motor 29, stirring the cement and the water in the inner cavity of the first box 21 by the stirring rod 27 through the stirring blade 28, wherein the rotation speed is 280 revolutions per minute, after the stirring time is 13min, starting the positive and negative motor 46 to enable the output shaft of the positive and negative motor 46 to rotate anticlockwise, driving the spiral blade 48 to rotate anticlockwise by the output shaft of the positive and negative motor 46 through the mixing shaft 413, the anticlockwise rotation speed of the positive and negative motor 46 in S5 is 150 revolutions per minute, spirally conveying the uniformly mixed mixture B in S4 to the inner cavity of the blanking pipe 49 by the spiral blade 48, sliding the mixture B into the inner cavity of the first box 21 under the action of gravity, and achieving the purpose of adding the mixture, until the mixture B in the inner cavity of the third box body 41 is completely conveyed to the inner cavity of the third box body 41, continuously stirring for 55min, wherein the rotation speed is 280 revolutions per minute, and then obtaining concrete;
s6: conveying the concrete obtained in the step S5 to a mold through a concrete outlet pipe 26, putting the reinforcing steel bars into the mold, and drying at the temperature of 130 ℃ for 32 min;
s7: and (4) putting the dried concrete mould in the S6 into a steam curing pool for steam curing, standing for 45min, then putting into a pressure steaming kettle, and performing pressure steaming to obtain the concrete pipe pile.
Example 3
More specifically, as shown in fig. 1, the difference between this embodiment and the above embodiment is that a method for preparing a high-strength corrosion-resistant concrete pipe pile includes the following steps:
s1: weighing 38 parts of river sand, 25 parts of stones, 7 parts of perlite powder, 4 parts of superfine mineral powder, 88 parts of cement, 14 parts of modified plant ash, 5 parts of water reducing agent, 23 parts of slag, 14 parts of silicate alkali, 6 parts of polypropylene fiber and 55 parts of water in parts by weight;
s2: mixing river sand, pebbles, perlite powder and slag, adding the mixture into a grinder for grinding to prepare a mixture A;
s3: starting a crushing motor 37, slowly adding the mixture A into the second box 31 through an opening at the top of the second box 31, finely crushing the raw materials in the mixture A through a driving crushing roller 34 and a driven crushing roller 35 which rotate oppositely, dropping the finely crushed raw materials into a third box 41 through a collecting hopper 43 so as to make the raw materials in the mixture A more uniform, then slowly adding the modified vegetation, the alkali silicate and the polypropylene fibers into the second box 31 through an opening at the top of the second box 31, crushing the blocky modified vegetation, the alkali silicate and the polypropylene fibers through the driving crushing roller 34 and the driven crushing roller 35 which rotate oppositely, dropping the crushed mixture A into an inner cavity of the third box 41 through the collecting hopper 43, and preparing a mixture B with the mixture A;
s4: the forward and reverse motor 46 is started, so that the output shaft of the forward and reverse motor 46 rotates clockwise, the output shaft of the forward and reverse motor 46 drives the mixing rod 47 to rotate through the mixing shaft 413, the mixing rod 47 drives the mixing shovel 412 to rotate, the mixing shovel 412 stirs the mixture B, the stirring speed is 340 rpm, the stirring time is 36min, meanwhile, the mixing shaft 413 drives the spiral blade 48 to rotate, the spiral blade 48 lifts the mixture B located at the center of the third box 41, and the uniformity of the mixture B is further improved;
s5: adding cement, a water reducing agent and water into the inner cavity of the first box 21 through the top of the first box 21, then installing the movable installation cover 22 at the top of the first box 21, then starting the stirring motor 29, driving the stirring rod 27 to rotate by the output shaft of the stirring motor 29, stirring the cement and the water in the inner cavity of the first box 21 by the stirring rod 27 through the stirring blade 28, wherein the rotation speed is 260 revolutions per minute, after the stirring time is 10min, starting the positive and negative motor 46 to enable the output shaft of the positive and negative motor 46 to rotate anticlockwise, driving the spiral blade 48 to rotate anticlockwise by the output shaft of the positive and negative motor 46 through the mixing shaft 413, enabling the anticlockwise rotation speed of the positive and negative motor 46 in S5 to be 180 revolutions per minute, spirally conveying the uniformly mixed mixture B in S4 to the inner cavity of the blanking pipe 49 by the spiral blade 48, sliding the mixture B into the inner cavity of the first box 21 under the action of gravity, and achieving the purpose of adding, until the mixture B in the inner cavity of the third box body 41 is completely conveyed to the inner cavity of the third box body 41, continuously stirring for 55min, wherein the rotation speed is 500 rpm, and then obtaining concrete;
s6: conveying the concrete obtained in the step S5 to a mold through a concrete outlet pipe 26, putting the reinforcing steel bars into the mold, and drying at 113 ℃ for 27 min;
s7: and (4) putting the dried concrete mould in the S6 into a steam curing pool for steam curing, standing for 47min, then putting into a pressure steaming kettle, and performing pressure steaming to obtain the concrete pipe pile.
Example 4
More specifically, as shown in fig. 1, the difference between this embodiment and the above embodiment is that a method for preparing a high-strength corrosion-resistant concrete pipe pile includes the following steps:
s1: weighing 36 parts of river sand, 22 parts of stones, 7 parts of perlite powder, 4 parts of superfine mineral powder, 99 parts of cement, 11 parts of modified plant ash, 5 parts of water reducing agent, 34 parts of slag, 15 parts of silicate alkali, 4 parts of polypropylene fiber and 55 parts of water in parts by weight;
s2: mixing river sand, pebbles, perlite powder and slag, adding the mixture into a grinder for grinding to prepare a mixture A;
s3: starting a crushing motor 37, slowly adding the mixture A into the second box 31 through an opening at the top of the second box 31, finely crushing the raw materials in the mixture A through a driving crushing roller 34 and a driven crushing roller 35 which rotate oppositely, dropping the finely crushed raw materials into a third box 41 through a collecting hopper 43 so as to make the raw materials in the mixture A more uniform, then slowly adding the modified vegetation, the alkali silicate and the polypropylene fibers into the second box 31 through an opening at the top of the second box 31, crushing the blocky modified vegetation, the alkali silicate and the polypropylene fibers through the driving crushing roller 34 and the driven crushing roller 35 which rotate oppositely, dropping the crushed mixture A into an inner cavity of the third box 41 through the collecting hopper 43, and preparing a mixture B with the mixture A;
s4: the forward and reverse motor 46 is started, so that the output shaft of the forward and reverse motor 46 rotates clockwise, the output shaft of the forward and reverse motor 46 drives the mixing rod 47 to rotate through the mixing shaft 413, the mixing rod 47 drives the mixing shovel 412 to rotate, the mixing shovel 412 stirs the mixture B, the stirring speed is 400 rpm, the stirring time is 40min, meanwhile, the mixing shaft 413 drives the spiral blade 48 to rotate, the spiral blade 48 lifts the mixture B located at the center of the third box 41, and the uniformity of the mixture B is further improved;
s5: adding cement, a water reducing agent and water into the inner cavity of the first box 21 through the top of the first box 21, then installing the movable installation cover 22 at the top of the first box 21, then starting the stirring motor 29, driving the stirring rod 27 to rotate by the output shaft of the stirring motor 29, stirring the cement and the water in the inner cavity of the first box 21 by the stirring rod 27 through the stirring blade 28, wherein the rotation speed is 250 revolutions per minute, after the stirring time is 15min, starting the positive and negative motor 46 to enable the output shaft of the positive and negative motor 46 to rotate anticlockwise, driving the spiral blade 48 to rotate anticlockwise by the output shaft of the positive and negative motor 46 through the mixing shaft 413, the anticlockwise rotation speed of the positive and negative motor 46 in S5 is 160 revolutions per minute, spirally conveying the uniformly mixed mixture B in S4 to the inner cavity of the blanking pipe 49 by the spiral blade 48, sliding the mixture B into the inner cavity of the first box 21 under the action of gravity, and achieving the purpose of adding the mixture, until the mixture B in the inner cavity of the third box body 41 is completely conveyed to the inner cavity of the third box body 41, continuously stirring for 55min, wherein the rotation speed is 350 r/min, and then obtaining concrete;
s6: conveying the concrete obtained in the step S5 to a mold through a concrete outlet pipe 26, putting the reinforcing steel bars into the mold, and drying at 125 ℃ for 28 min;
s7: and (4) putting the dried concrete mould in the S6 into a steam curing pool for steam curing, standing for 40min, then putting into a pressure steaming kettle, and performing pressure steaming to obtain the concrete pipe pile.
The present invention can be easily implemented by those skilled in the art from the above detailed description. It should be understood, however, that the intention is not to limit the invention to the particular embodiments described. On the basis of the disclosed embodiments, a person skilled in the art can combine different technical features at will, thereby implementing different technical solutions.
Claims (10)
1. The preparation method of the high-strength corrosion-resistant concrete pipe pile is characterized by comprising the following steps of:
s1: weighing 32-42 parts of river sand, 18-35 parts of stones, 3-11 parts of perlite powder, 1-5 parts of superfine mineral powder, 85-125 parts of cement, 7-22 parts of modified plant ash, 1-9 parts of a water reducing agent, 6-54 parts of slag, 4-21 parts of silicate alkali, 1-8 parts of polypropylene fibers and 42-72 parts of water in parts by weight;
s2: mixing river sand, pebbles, perlite powder and slag, adding the mixture into a grinder for grinding to prepare a mixture A;
s3: starting a crushing motor (37), slowly adding the mixture A into a second box body (31) through an opening at the top of the second box body (31), finely crushing the raw materials in the mixture A through a driving crushing roller (34) and a driven crushing roller (35) which rotate in opposite directions, falling into a third box body (41) through a collecting hopper (43) after fine crushing, so that the raw materials in the mixture A are more uniform, then slowly adding the modified grass wood, the silicate and the polypropylene fibers into the second box body (31) through an opening at the top of the second box body (31), crushing the blocky modified grass wood, the silicate and the polypropylene fibers through the driving crushing roller (34) and the driven crushing roller (35) which rotate in opposite directions, falling into an inner cavity of the third box body (41) through the collecting hopper (43) after crushing, and preparing a mixture B with the mixture A;
s4: the forward and reverse motor (46) is started, the output shaft of the forward and reverse motor (46) rotates clockwise, the output shaft of the forward and reverse motor (46) drives the mixing rod (47) to rotate through the mixing shaft (413), the mixing rod (47) drives the mixing shovel (412) to rotate, the mixing shovel (412) stirs the mixture B, meanwhile, the mixing shaft (413) drives the spiral blade (48) to rotate, the spiral blade (48) lifts the mixture B located at the center of the third box body (41), and therefore the uniformity of the mixture B is improved;
s5: adding cement, a water reducing agent and water into an inner cavity of a first box body (21) through the top of the first box body (21), then installing a movable installation cover (22) at the top of the first box body (21), starting a stirring motor (29), driving a stirring rod (27) to rotate by an output shaft of the stirring motor (29), stirring the cement and the water in the inner cavity of the first box body (21) by the stirring rod (27) through a stirring blade (28), wherein the rotation speed is 200 and 400 revolutions per minute, after the stirring time is 10-20min, starting a positive and negative motor (46), enabling the output shaft of the positive and negative motor (46) to rotate anticlockwise, driving a spiral blade (48) to rotate anticlockwise by the output shaft of the positive and negative motor (46) through a mixing shaft (413), spirally conveying a mixture B uniformly mixed in S4 to an inner cavity of a discharging pipe (49) by the spiral blade (48), and enabling the mixture B to slide into the inner cavity of the first box body (21) under the action of gravity, the purpose of adding the mixture B while stirring is achieved, until the mixture B in the inner cavity of the third box body (41) is completely conveyed to the inner cavity of the third box body (41), stirring is continued for 40-70min, the rotation speed is 250-;
s6: conveying the concrete obtained in the step S5 to a mould through a concrete outlet pipe (26), and putting reinforcing steel bars into the mould for drying;
s7: and (4) putting the dried concrete mould in the S6 into a steam curing pool for steam curing, standing for a period of time, then putting into a pressure steaming kettle, and performing pressure steaming to obtain the concrete pipe pile.
2. The method as claimed in claim 1, wherein the stirring speed in step S4 is 300-500 rpm, and the stirring time is 30-40 min.
3. The method for preparing a high-strength corrosion-resistant concrete pipe pile as claimed in claim 1, wherein the counter-clockwise rotation speed of the counter-clockwise motor (46) in S5 is 100-200 rpm.
4. The method for preparing a high-strength corrosion-resistant concrete pipe pile as claimed in claim 1, wherein the drying temperature in S6 is 110-130 ℃, and the drying time is 25-40 min.
5. The method for preparing a high-strength corrosion-resistant concrete pipe pile according to claim 1, wherein the standing time in the step S7 is 40-60 min.
6. The utility model provides a preparation facilities of corrosion-resistant concrete pipe pile of high strength which characterized in that includes: the crushing device comprises a base (1), a mixing box (2), a crushing box (3) and a premixing box (4), wherein the mixing box (2) is fixedly arranged on one side of the top of the base (1), the premixing box (4) is fixedly arranged on the other side of the top of the base (1), and the crushing box (3) is fixedly arranged on the top of the premixing box (4);
wherein, mixing box (2) includes first box (21), the skin weld of first box (21) has first solid fixed ring (24), the bottom welding of first solid fixed ring (24) has four support columns (25), support column (25) fixed mounting is in the top of base (1), the top movable mounting of first box (21) has movable mounting lid (22), the top fixed mounting of movable mounting lid (22) has first motor case (23), the inner chamber fixed mounting of first motor case (23) has agitator motor (29), the output shaft welding of agitator motor (29) has puddler (27), first box (21) is run through to the bottom of puddler (27), the outside welding of puddler (27) has three stirring leaf (28) of group, three group stirring leaf (28) are at the surface of puddler (27) from last align to last, a concrete outlet pipe (26) is communicated with the center of the bottom of the first box body (21);
wherein, the premixing box (4) comprises a third box body (41), the surface of the third box body (41) is welded with a second fixing ring (42), the bottom of the second fixing ring (42) is fixedly arranged at the top of the base (1) through a support rod, the bottom of the third box body (41) is communicated with a blanking pipe (49), one end of the blanking pipe (49) far away from the third box body (41) penetrates through the first box body (21) and is communicated with the first box body (21), the top of the inner cavity of the third box body (41) is welded with a fixing frame (44), the top of the fixing frame (44) is fixedly provided with a third motor box (45), the inner cavity of the third motor box (45) is fixedly provided with a positive and negative motor (46), the output shaft of the positive and negative motor (46) is welded with a mixing shaft (413), and the bottom end of the mixing shaft (413) penetrates through the fixing frame (, the bottom end of the mixing shaft (413) extends to an inner cavity of a discharging pipe (49), spiral blades (48) are welded at the bottom of the surface of the mixing shaft (413), a sleeve ring (411) is sleeved at the top of the surface of the mixing shaft (413), two mixing rods (47) are welded at two sides of the sleeve ring (411), the two mixing rods (47) are symmetrically arranged, a mixing shovel (412) is welded at the bottom end of each mixing rod (47), the bottom of each mixing shovel (412) is in contact with the bottom of the inner wall of a third box body (41), a collecting hopper (43) is welded at the top of each third box body (41), and the bottom of each collecting hopper (43) is communicated with the third box body (41);
wherein, broken case (3) includes second box (31), second box (31) fixed mounting is in the top of collecting hopper (43), one side welding of second box (31) has second motor case (36), the inner chamber fixed mounting of second motor case (36) has broken motor (37), the front side rotation of second box (31) inner chamber is connected with driven shaft (312), the one end of driven shaft (312) is run through driven pulley (311) and is welded driven pulley (311), driven pulley (311) are located the one side of keeping away from broken motor (37), the rear side rotation of second box (31) inner chamber is connected with driving shaft (38), the one end of driving shaft (38) runs through second box (31) and welds driving pulley (39), the other end of driving shaft (38) runs through second box (31) and welds with the output shaft of broken motor (37), the utility model discloses a crushing device, including drive belt pulley (39), driven pulley (311), belt pulley (310), drive pulley (39) and driven pulley (311), the skin weld of driving shaft (38) has initiative crushing roller (34), initiative crushing roller (34) are located the inner chamber of second box (31), the skin weld of driven shaft (312) has driven crushing roller (35), driven crushing roller (35) are located the inner chamber of initiative crushing roller (34), initiative crushing roller (34) and driven crushing roller (35) meshing, initiative crushing roller (34) are used with driven crushing roller (35) cooperation, one side welding that second motor case (36) was kept away from in crushing case (31) has fixed case (38).
7. The method for preparing a high-strength corrosion-resistant concrete pipe pile according to claim 6, wherein the two mixing shovels (412) have the same shape and size, the surface of the mixing shovel (412) is smooth, and the mixing shovel (412) has a semi-conical shape.
8. The apparatus for preparing the high-strength corrosion-resistant concrete pipe pile according to claim 6, wherein the bottom end of the spiral blade (48) penetrates through the blanking pipe (49), and the top end of the spiral blade (48) extends to the center of the inner cavity of the third box body (41).
9. The preparation device of a high-strength corrosion-resistant concrete pipe pile according to claim 6, wherein a top block (410) is welded on the top of the third motor box (45), the top block (410) is conical, the outer surface of the top block (410) is smooth, and the diameter of the bottom surface of the top block (410) is larger than that of the third motor box (45).
10. The manufacturing device of the high-strength corrosion-resistant concrete pipe pile according to claim 6, wherein baffles (32) are welded on the front side and the rear side of the top of the inner cavity of the second box body (31), the surfaces of the two baffles (32) are smooth, the two baffles (32) are symmetrically arranged, and the inclination angle of the baffles (32) is 20-60 degrees.
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