CN112388821A - Manufacturing method of solid waste base cementing material concrete and quantitative feeding device - Google Patents

Manufacturing method of solid waste base cementing material concrete and quantitative feeding device Download PDF

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Publication number
CN112388821A
CN112388821A CN202011328960.2A CN202011328960A CN112388821A CN 112388821 A CN112388821 A CN 112388821A CN 202011328960 A CN202011328960 A CN 202011328960A CN 112388821 A CN112388821 A CN 112388821A
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solid waste
concrete
waste base
base cementing
cementing material
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CN112388821B (en
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温国平
赵智利
杨兑亨
王军卫
王飞
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Shexian County Qingzhang Cement Manufacturing Co ltd
Shexian Qingzhang Cement Manufacturing Co Ltd
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Shexian County Qingzhang Cement Manufacturing Co ltd
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28C—PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28C5/00—Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions
    • B28C5/003—Methods for mixing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28C—PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28C7/00—Controlling the operation of apparatus for producing mixtures of clay or cement with other substances; Supplying or proportioning the ingredients for mixing clay or cement with other substances; Discharging the mixture
    • B28C7/04—Supplying or proportioning the ingredients
    • B28C7/06—Supplying the solid ingredients, e.g. by means of endless conveyors or jigging conveyors
    • 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
    • C04B28/14—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 containing calcium sulfate cements

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Structural Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Inorganic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Dispersion Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Processing Of Solid Wastes (AREA)
  • Preparation Of Clay, And Manufacture Of Mixtures Containing Clay Or Cement (AREA)

Abstract

The invention discloses a method for preparing solid waste base cementing material concrete and a quantitative feeding device, comprising the solid waste base cementing material, wherein the raw material proportion of the solid waste base cementing material is 30-60% of granulated blast furnace slag, 30-50% of steel slag, 10-20% of industrial by-product gypsum, 3-10% of fly ash and 3-10% of iron tailings, and the processing steps comprise solid waste base cementing material stirring, solid waste base cementing material inspection, solid waste base cementing material storage, premixed mortar preparation and concrete preparation; the quantitative feeding device comprises a workbench, a quantitative feeding mechanism is arranged above the workbench, a discharging mechanism is arranged below the quantitative feeding mechanism, and a distributing mechanism is arranged below the discharging mechanism. The invention has the advantages of improving the working efficiency and ensuring the product quality.

Description

Manufacturing method of solid waste base cementing material concrete and quantitative feeding device
Technical Field
The invention relates to the technical field of concrete manufacturing, in particular to a manufacturing method and a quantitative feeding device of solid waste base cementing material concrete.
Background
The concrete refers to artificial stone which is prepared by mixing a cementing material with water, fine aggregate and coarse aggregate, adding a chemical additive and a mineral admixture, uniformly stirring, compacting, forming, curing and hardening according to a proper proportion, and is divided into fifteen strength grades of C10, C15, C20, C25, C30, C35, C40, C45, C50, C55, C60, C65, C70, C75 and C80.
The concrete is prepared by the two steps of firstly putting the cementing material and the fine aggregate into a mixing drum according to a certain proportion, adding a proper amount of water, fully mixing, firstly forming mortar, then putting the coarse aggregate into the mixing drum, uniformly mixing to form concrete, wherein the concrete strength of the concrete stirred by the secondary feeding method can be improved by about 15 percent compared with the concrete prepared by the primary feeding method, the cement can be saved by 15 to 20 percent under the condition of the same strength grade, and a large amount of raw materials are directly put into the concrete by manual or mechanical equipment when the secondary feeding method is used for stirring the concrete, then, the concrete is stirred, and the mixing proportion of the concrete is deviated, so that the quality of the concrete is influenced.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention provides the method for preparing the solid waste base cementing material concrete and the quantitative feeding device, so that the resources can be saved, the environment can be protected, and the preparation period of the salted egg yolk paste can be shortened.
In order to achieve the purpose, the invention adopts the following technical scheme:
the method for manufacturing the solid waste base cementing material concrete comprises a solid waste base cementing material, wherein the raw material ratio of the solid waste base cementing material is 30-60% of granulated blast furnace slag, 30-50% of steel slag, 10-20% of industrial byproduct gypsum, 3-10% of fly ash and 3-10% of iron tailings, and the processing steps comprise: stirring solid waste base cementing materials, inspecting the solid waste base cementing materials, storing the solid waste base cementing materials, preparing premixed mortar and preparing concrete;
step one, stirring the solid waste base gelling material: placing the granulated blast furnace slag, the steel slag, the industrial by-product gypsum, the fly ash and the iron tailings in a mixing cylinder according to a proportion for mixing, stirring the mixture by a stirrer, exciting the granulated blast furnace slag, the fly ash and the iron tailings by using divalent metal oxide and hydroxide in the steel slag and the industrial by-product gypsum at normal temperature to form a gelling property and form a solid waste base gelling material,
step two, inspecting the solid waste base gel material: detecting the technical performance index of the solid waste base gel material,
step three, storing the solid waste base gelling material: the solid waste base gelling material is separately stored and is subjected to damp-proof treatment,
step four, preparing ready-mixed mortar: quantitatively adding the solid waste base cementing material and the fine aggregate into a forced stirrer according to a certain proportion, putting water into the forced stirrer according to a certain water-to-gel ratio for stirring for 80-120S,
and step five, concrete preparation, namely after the ready-mixed mortar is prepared, quantitatively adding coarse aggregate into the forced mixer according to a certain proportion, adding a proper amount of additive, starting the forced mixer to mix for 100-120 seconds, and taking the concrete out of the forced mixer after the mixture is uniformly mixed.
As an improvement of the technical scheme, the solid waste base cementing material can be divided into three grades according to the strength, and the first grade solid waste base cementing material comprises the following raw materials in percentage by weight: 30-45% of granulated blast furnace slag, 30-50% of steel slag, 10-20% of industrial byproduct gypsum, 3-10% of fly ash, 3-10% of iron tailings, and the second grade solid waste base cementing material comprises the following raw materials in percentage by weight: 40-60% of granulated blast furnace slag, 30-40% of steel slag, 10-20% of industrial byproduct gypsum, 3-5% of fly ash, 3-5% of iron tailings, and the third grade solid waste base cementing material comprises the following raw materials in percentage by weight: 45-60% of granulated blast furnace slag, 30-35% of steel slag, 10-20% of industrial byproduct gypsum, 3-5% of fly ash and 3-5% of iron tailings.
As an improvement of the above technical solution, the detection result of detecting other technical performance indexes of the solid waste based gelling material in the second step should satisfy: the content of sulfur trioxide is more than or equal to 5% and less than 12%, the content of chloride ions is less than or equal to 0.06%, the density is more than or equal to 2.8g/cm for high-speed harvest, the water consumption for standard consistency is less than or equal to 28.5%, the initial setting time is more than or equal to 60min, the final setting time is less than or equal to 600min, the stability is detected to be qualified by adopting a boiling method and an autoclaving method, the solid waste base gel material is detected by a negative pressure sieve analysis method, and the sieve residue of a sieve with the size of 45 mu m is required to be less than or.
As an improvement of the technical scheme, when the solid waste base gel material in the step three is not used after being stored for more than 3 months, the solid waste base gel material needs to be detected again.
As an improvement of the above technical solution, in the fourth step, the weight ratio of the solid waste base cementing material to the fine aggregate is different according to different grades of concrete, and the ratio of the solid waste base cementing material to the fine aggregate is 1: 1.4, concrete of strength grade C25, C30, C35, C40, C45, C50 and C55, the proportion of the solid waste base cementing material and the fine aggregate is 1: 1.25, C60, C65, C70, C75 and C80 strength grade concrete, the proportion of solid waste base cementing material and fine aggregate is 1: 1.13, the water-cement ratio in the fourth step is different according to different grades of concrete, the proportion is different, the used solid waste base cementing materials are different, the C10 strength grade concrete has the water-cement ratio of 0.55-0.58, the solid waste base cementing materials in each cubic meter of concrete are 340-kilogram of solid waste base cementing materials, the C15 strength grade concrete has the water-cement ratio of 0.53-0.56, the solid waste base cementing materials in each cubic meter of concrete are 340-350 kilogram of solid waste base cementing materials, the C20 strength grade concrete has the water-cement ratio of 0.49-0.54, the solid waste base cementing materials in each cubic meter of concrete are 350-365-kilogram of solid waste base cementing materials, the C25 strength grade concrete has the water-cement ratio of 0.43-0.48, the solid waste base cementing materials in each cubic meter of concrete are 365-375 kilogram of solid waste base cementing materials, the C30 strength grade concrete has the water-cement ratio of 0.39-0.44, and the solid waste base cementing materials in each cubic meter of concrete are 390-cubic meter of solid waste base cementing materials, the concrete with the strength grade of C35 has the water-gel ratio of 0.37-0.42, the dosage of the solid waste base cementing material in each cubic meter of the concrete is 390-410 kg, the concrete with the strength grade of C40 has the water-gel ratio of 0.34-0.39, the dosage of the solid waste base cementing material in each cubic meter of the concrete is 410-430 kg, the dosage of the solid waste base cementing material in each cubic meter of the concrete is 0.32-0.37, the dosage of the solid waste base cementing material in each cubic meter of the concrete is 430-450 kg, the dosage of the solid waste base cementing material in each cubic meter of the concrete is 0.30-0.33, the dosage of the solid waste base cementing material in each cubic meter of the concrete is 450-475 kg, the dosage of the solid waste base cementing material in each cubic meter of the concrete is 0.27-0.30, the dosage of the solid waste base cementing material in each cubic meter of the concrete is 500 kg, the concrete with the strength grade of C60, the water-0.25-0.515-500 kg, the concrete with the strength grade of C65 has the water-cement ratio of 0.24-0.27, the dosage of the solid waste base cementing material in each cubic meter of concrete is 515-one 530 kg, the dosage of the concrete with the strength grade of C70 is 0.23-0.26, the dosage of the solid waste base cementing material in each cubic meter of concrete is 530-545 kg, the dosage of the concrete with the strength grade of C75 is 0.22-0.25, the dosage of the solid waste base cementing material in each cubic meter of concrete is 545-one 560 kg, the dosage of the concrete with the strength grade of C80 is 0.20-0.23, and the dosage of the solid waste base cementing material in each cubic meter of concrete is 560-one 575 kg.
As an improvement of the above technical solution, in the fifth step, the weight ratio of the solid waste base cementing material to the coarse aggregate is different according to different grades of concrete, and the ratio of the solid waste base cementing material to the coarse aggregate is 1: 2.85, C25, C30, C35, C40, C45, C50 and C55 strength grade concrete, the proportion of the solid waste base cementing material and the coarse aggregate is 1: 2.63, C60, C65, C70, C75 and C80 strength grade concrete, the proportion of solid waste base gel materials and coarse aggregates is 1: 2.39, the additive added in the step five is determined by testing the concrete in advance.
A quantitative feeding device comprises a workbench, a quantitative feeding mechanism is arranged above the workbench, a discharging mechanism is arranged below the quantitative feeding mechanism, a material distributing mechanism is arranged below the discharging mechanism,
the quantitative feeding mechanism comprises a support frame fixedly arranged on the upper surface of a workbench, a first feeding cylinder is arranged on one side above the support frame, first support columns are arranged at four corners of the lower surface of the first feeding cylinder, the lower end of each first support column is fixedly arranged on the upper surface of the support frame, a first inclined guide cylinder is arranged below the first feeding cylinder, a second support column is arranged at the lower end of the first inclined guide cylinder, the lower end of the second support column is fixedly arranged on the upper surface of the support frame, one side of the upper end of the first inclined guide cylinder is fixedly connected with the discharge end of the first feeding cylinder, first rolling bearings are arranged on the surfaces of the two sides in the first inclined guide cylinder, a first round opening is formed in one side of the first inclined guide cylinder, a first feeding screw rod is arranged in the first inclined guide cylinder, one end of the first feeding screw rod is inserted into one first rolling bearing, and the other end of the first feeding screw rod passes, a first material guide pipe is arranged on one side of the lower end of a first inclined material guide cylinder, a first quantitative cylinder is arranged below the first material guide pipe, first weighing sensors are arranged on two sides of the lower surface of the first quantitative cylinder, the lower end of the first weighing sensor is fixedly arranged on the upper surface of a support frame, a first round platform-shaped material guide channel is arranged at the lower end of the first quantitative cylinder, a first material discharge channel is arranged at the lower end of the first quantitative cylinder, a first inlet and a first outlet are formed in one side of the support frame, the lower end of the first material discharge channel penetrates through the first inlet and the first outlet and extends to the lower part of the support frame, a first interception port is formed in the lower end of the first material discharge channel, a second material guide cylinder is arranged on one side of the first material guide cylinder, third support columns are arranged at four corners of the lower surface of the second material guide cylinder, and the lower ends of the third support columns are fixedly arranged on the upper surface of the, a second inclined guide cylinder is arranged below the second feeding cylinder, a fourth support column is arranged at the lower end of the second inclined guide cylinder, the lower end of the fourth support column is fixedly arranged on the upper surface of the support frame, one side of the upper end of the second inclined guide cylinder is fixedly connected with the discharge end of the second feeding cylinder, second rolling bearings are arranged on the surfaces of the two sides in the second inclined guide cylinder, a second round opening is formed in one side of the second inclined guide cylinder, a second feeding screw is arranged in the second inclined guide cylinder, one end of the second feeding screw is inserted into one second rolling bearing, the other end of the second feeding screw penetrates through the other second rolling bearing and the second round opening and extends to the outer side of the second inclined guide cylinder, a second guide pipe is arranged on one side of the lower end of the second inclined guide cylinder, a second quantifying cylinder is arranged below the second guide pipe, second weighing sensors are arranged on the two sides of the lower surface of the second quantifying cylinder, and, a second circular truncated cone-shaped material guide channel is arranged at the lower end in the second quantitative cylinder, a second discharging channel is arranged at the lower end of the second quantitative cylinder, a second inlet and a second outlet are formed in one side of the support frame, the lower end of the second discharging channel penetrates through the second inlet and the second outlet and extends to the lower part of the support frame, a second interception port is formed in the lower end of the second discharging channel, a second interception plate is arranged below the support frame, one end of the second interception plate penetrates through the second interception port and extends into the second discharging channel, a second discharging port is formed in the second interception plate, two first limiting plates are arranged on one side of the lower surface of the second interception plate, a stretching plate is arranged on one side of the lower surface of the first interception plate, one end of the stretching plate extends between the two first limiting plates, a support table is arranged on one side of the upper surface of the support frame, a rotating motor is arranged on the upper surface of the support table, a first, a second bevel gear is arranged on the outer side of the first one-way bearing and meshed with the first bevel gear, a second one-way bearing is arranged at one end of the second feeding screw rod, which is positioned on the outer side of the second inclined material guide cylinder, a third bevel gear is arranged on the outer side of the second one-way bearing and meshed with the first bevel gear,
the discharging mechanism comprises a first transmission gear fixedly arranged at the rotating end of a rotating motor, a second transmission gear is arranged below the first transmission gear, the second transmission gear is connected with the first transmission gear through a first transmission chain, a transmission shaft is arranged on the second transmission gear, third rolling bearings are arranged at two ends of the transmission shaft, a poking wheel is arranged at one end of the transmission shaft, a connecting port is formed in the support frame, the lower end of the poking wheel penetrates through the connecting port and extends to the lower portion of the support frame, a plurality of first poking columns are connected to one side of the poking wheel through hinges, a first blocking column is arranged on one side of each first poking column, the first blocking columns are fixedly arranged on the poking wheel, a plurality of second poking columns are connected to the other side of the poking wheel through hinges, a second blocking column is arranged on one side of each second poking column and is fixedly arranged on the poking wheel, first fixed column is located first toggle column below, two second fixed columns are installed to first interception board upper surface opposite side, the second fixed column is located second toggle column below, the support frame below is equipped with and holds the case, it is connected with support frame lower surface fixed through a plurality of spliced poles to hold case upper end, it installs third circular platform shape guide channel to hold incasement lower extreme, it installs third discharging channel to hold case lower extreme, third discharging channel lower extreme is opened there is the third interception mouth, the support frame below is equipped with the third interception board, third interception board one end passes the third interception mouth and stretches into in the third discharging channel, it has the third discharge gate to open on the third interception board, two second limiting plates are installed to third interception board upper surface one side, first interception board lower surface mounting has the slurcam, the slurcam lower extreme is located between two second limiting plates.
Further, the material distributing mechanism comprises a material distributing box positioned above the workbench, a rotating shaft is installed at the center of the lower surface of the material distributing box, a fourth rolling bearing is installed at the lower end of the rotating shaft, the fourth rolling bearing is fixedly installed on the workbench, a plurality of pulleys are installed at the lower surface of the material distributing box, inclined guide pipes are installed at the lower ends of a second material discharging channel and a third material discharging channel, the inclined guide pipes extend to the upper portion of the material distributing box, an inclined material guide plate is installed at the lower end of the material distributing box, a material distributing pipe is installed at one side of the lower end of the material distributing box, a first rotating gear is installed on the outer side of the upper end of the material distributing box, a fixed plate is installed at one side of the lower end of the support frame, a transmission column is installed at the upper, the second rotating gear is meshed with the first rotating gear, a third transmission gear is installed at the upper end of the transmission column, a movable rack is installed on the surface of one side of the first interception plate, a transmission rod is arranged on one side of the movable rack, a sixth rolling bearing is installed at the upper end of the transmission rod, the upper end of the sixth rolling bearing is fixedly installed on the lower surface of the support frame, a fourth transmission gear is installed on the transmission rod and connected with the third transmission gear through a second transmission chain, a third one-way bearing is installed at the lower end of the transmission rod, a third rotating gear is installed on the outer side of the third one-way bearing, and the third.
Furthermore, eight material distributing channels are arranged above the workbench, and one side of the upper end of each material distributing channel is installed on the workbench.
Furthermore, a supporting plate is arranged on one side of the lower surface of the supporting frame and located below the first interception plate, connecting plates are mounted on two sides of the upper surface of the supporting plate, the upper end of each connecting plate is fixedly connected with the lower surface of the supporting frame, supporting wheels are mounted on the upper surface of the supporting plate, and the upper ends of the supporting wheels are in contact with the lower surface of the first interception plate.
The invention has the beneficial effects that: when the concrete is manufactured, the used cementing material is formed by mixing industrial waste materials, the manufacturing cost is reduced, the industrial waste materials are recycled, not only is the resource saved, but also the waste material discharge is reduced, the natural environment is protected,
use this ration loading attachment, through the rotation of motor, can be respectively to the raw materials of adding corresponding proportion in two quantitative section of thick bamboos, and accomplish the back with the raw materials ration, can make the raw materials mix automatically and fall in dividing the workbin, then can add the raw materials that the ration finishes to the churn through dividing the material passageway, stir, divide the workbin can with the raw materials dispersion of many times ration interpolation to different churns in, improved work efficiency, and will add according to the proportion raw materials ration, guaranteed product quality.
Drawings
FIG. 1 is a schematic flow chart of a method for manufacturing concrete of solid waste base cementing material according to the present invention;
FIG. 2 is a schematic structural view of a quantitative charging device according to the present invention;
FIG. 3 is an enlarged view of a portion of FIG. 2 at A;
FIG. 4 is an enlarged view of a portion of FIG. 2 at B;
FIG. 5 is an enlarged view of a portion of FIG. 2 at C;
FIG. 6 is an enlarged view of a portion of FIG. 2 at D;
FIG. 7 is an enlarged view of a portion of FIG. 2 at E;
FIG. 8 is a schematic cross-sectional view of a quantitative loading device according to the present invention;
FIG. 9 is an enlarged view of a portion of FIG. 8 at F;
FIG. 10 is an enlarged view of a portion of FIG. 8 at G;
FIG. 11 is an enlarged view of a portion of FIG. 8 at H;
FIG. 12 is an enlarged view of a portion of FIG. 8 at I;
FIG. 13 is a schematic top view of the feed mechanism of the present invention;
FIG. 14 is a partial schematic view of the dosing mechanism of the present invention;
in the figure, 1, a workbench; 2. a support frame; 3. a first charging barrel; 4. a first support column; 5. a first inclined guide cylinder; 6. a second support column; 7. a first rolling bearing; 8. a first round mouth; 9. a first feed screw; 10. a first material guide pipe; 11. a first dosing cylinder; 12. a first weighing sensor; 13. a first circular truncated cone-shaped material guide channel; 14. a first discharge channel; 15. a first inlet/outlet; 16. a first interception opening; 17. a first interception plate; 18. a first discharge port; 19. a second feed cylinder; 20. a third support column; 21. a second inclined guide cylinder; 22. a fourth support column; 23. a second rolling bearing; 24. a second round mouth; 25. a second feed screw; 26. a second material guide pipe; 27. a second dosing cylinder; 28. a second load cell; 29. a second circular truncated cone-shaped material guide channel; 30. a second discharge channel; 31. a second inlet/outlet; 32. a second interception opening; 33. a second interception plate; 34. a second discharge port; 35. a first limit plate; 36. stretching the plate; 37. a support table; 38. a rotating electric machine; 39. a first bevel gear; 40. a first one-way bearing; 41. a second bevel gear; 42. a second one-way bearing; 43. a third bevel gear; 44. a first drive gear; 45. a second transmission gear; 46. a first drive chain; 47. a drive shaft; 48. a third rolling bearing; 49. a poking wheel; 50. a connecting port; 51. a first toggle column; 52. a first interception post; 53. a second toggle column; 54. a second interception post; 55. a first fixed column; 56. a second fixed column; 57. a containing box; 58. connecting columns; 59. a third circular truncated cone-shaped material guide channel; 60. a third discharge channel; 61. a third interception opening; 62. a third interception plate; 63. a third discharge port; 64. a second limiting plate; 65. a push plate; 66. a material distributing box; 67. a rotating shaft; 68. a fourth rolling bearing; 69. a pulley; 70. tilting the conduit; 71. inclining the material guide plate; 72. distributing pipes; 73. a first rotating gear; 74. a fixing plate; 75. a drive post; 76. a fifth rolling bearing; 77. a second rotating gear; 78. a third transmission gear; 79. moving the rack; 80. a transmission rod; 81. a sixth rolling bearing; 82. a fourth transmission gear; 83. a second drive chain; 84. a third one-way bearing; 85. a third rotating gear; 86. a material distributing channel; 87. a support plate; 88. a connecting plate; 89. and supporting the wheels.
Detailed Description
The invention is further illustrated by the following specific examples:
the method for manufacturing the solid waste base cementing material concrete comprises a solid waste base cementing material, wherein the raw material ratio of the solid waste base cementing material is 30-60% of granulated blast furnace slag, 30-50% of steel slag, 10-20% of industrial byproduct gypsum, 3-10% of fly ash and 3-10% of iron tailings, and the processing steps comprise: stirring solid waste base cementing materials, inspecting the solid waste base cementing materials, storing the solid waste base cementing materials, preparing premixed mortar and preparing concrete;
step one, stirring the solid waste base gelling material: placing the granulated blast furnace slag, the steel slag, the industrial by-product gypsum, the fly ash and the iron tailings in a mixing cylinder according to a proportion for mixing, stirring the mixture by a stirrer, exciting the granulated blast furnace slag, the fly ash and the iron tailings by using divalent metal oxide and hydroxide in the steel slag and the industrial by-product gypsum at normal temperature to form a gelling property and form a solid waste base gelling material,
step two, inspecting the solid waste base gel material: detecting the technical performance index of the solid waste base gel material,
step three, storing the solid waste base gelling material: the solid waste base gelling material is separately stored and is subjected to damp-proof treatment,
step four, preparing ready-mixed mortar: quantitatively adding the solid waste base cementing material and the fine aggregate into a forced stirrer according to a certain proportion, putting water into the forced stirrer according to a certain water-to-gel ratio for stirring for 80-120S,
and step five, concrete preparation, namely after the ready-mixed mortar is prepared, quantitatively adding coarse aggregate into the forced mixer according to a certain proportion, adding a proper amount of additive, starting the forced mixer to mix for 100-120 seconds, and taking the concrete out of the forced mixer after the mixture is uniformly mixed.
As an improvement of the technical scheme, the solid waste base gel material can be divided into three grades according to the strength, and the first grade solid waste base gel material comprises the following raw materials in proportion: 30-45% of granulated blast furnace slag, 30-50% of steel slag, 10-20% of industrial byproduct gypsum, 3-10% of fly ash, 3-10% of iron tailings, and the second grade solid waste base cementing material comprises the following raw materials in percentage by weight: 40-60% of granulated blast furnace slag, 30-40% of steel slag, 10-20% of industrial byproduct gypsum, 3-5% of fly ash, 3-5% of iron tailings, and the third grade solid waste base cementing material comprises the following raw materials in percentage by weight: 45-60% of granulated blast furnace slag, 30-35% of steel slag, 10-20% of industrial byproduct gypsum, 3-5% of fly ash and 3-5% of iron tailings.
As an improvement of the above technical solution, the detection result of detecting other technical performance indexes of the solid waste based gelling material in the step two should satisfy: the content of sulfur trioxide is more than or equal to 5% and less than 12%, the content of chloride ions is less than or equal to 0.06%, the density is more than or equal to 2.8g/cm for high-speed harvest, the water consumption for standard consistency is less than or equal to 28.5%, the initial setting time is more than or equal to 60min, the final setting time is less than or equal to 600min, the stability is detected to be qualified by adopting a boiling method and an autoclaving method, the solid waste base gel material is detected by a negative pressure sieve analysis method, and the sieve residue of a sieve with the size of 45 mu m is required to be less than or.
As an improvement of the technical scheme, when the solid waste base gel material in the step three is not used after being stored for more than 3 months, the solid waste base gel material needs to be detected again.
As an improvement of the technical scheme, in the fourth step, the weight ratio of the solid waste base cementing material to the fine aggregate is different according to different grades of concrete, the ratio of the solid waste base cementing material to the fine aggregate is 1: 1.4, concrete of strength grade C25, C30, C35, C40, C45, C50 and C55, the proportion of the solid waste base cementing material and the fine aggregate is 1: 1.25, C60, C65, C70, C75 and C80 strength grade concrete, the proportion of solid waste base cementing material and fine aggregate is 1: 1.13, the water-cement ratio in the fourth step is different according to different grades of concrete, the used solid waste base cementing materials are different, the C10 strength grade concrete has the water-cement ratio of 0.55-0.58, the solid waste base cementing materials in each cubic meter of concrete are 340-kilogram of the solid waste base cementing materials, the C15 strength grade concrete has the water-cement ratio of 0.53-0.56, the solid waste base cementing materials in each cubic meter of concrete are 340-350 kilogram of the solid waste base cementing materials, the C20 strength grade concrete has the water-cement ratio of 0.49-0.54, the solid waste base cementing materials in each cubic meter of concrete are 350-365 kilogram of the solid waste base cementing materials, the C25 strength grade concrete has the water-cement ratio of 0.43-0.48, the solid waste base cementing materials in each meter of concrete are 365-375 kilogram of the solid waste base cementing materials, the C30 strength grade concrete has the water-cement ratio of 0.39-0.44, and the solid waste base cementing materials in each cubic meter of the concrete are 390-cubic meter of the solid waste base cementing materials, the concrete with the strength grade of C35 has the water-gel ratio of 0.37-0.42, the dosage of the solid waste base cementing material in each cubic meter of the concrete is 390-410 kg, the concrete with the strength grade of C40 has the water-gel ratio of 0.34-0.39, the dosage of the solid waste base cementing material in each cubic meter of the concrete is 410-430 kg, the dosage of the solid waste base cementing material in each cubic meter of the concrete is 0.32-0.37, the dosage of the solid waste base cementing material in each cubic meter of the concrete is 430-450 kg, the dosage of the solid waste base cementing material in each cubic meter of the concrete is 0.30-0.33, the dosage of the solid waste base cementing material in each cubic meter of the concrete is 450-475 kg, the dosage of the solid waste base cementing material in each cubic meter of the concrete is 0.27-0.30, the dosage of the solid waste base cementing material in each cubic meter of the concrete is 500 kg, the concrete with the strength grade of C60, the water-0.25-0.515-500 kg, the concrete with the strength grade of C65 has the water-cement ratio of 0.24-0.27, the dosage of the solid waste base cementing material in each cubic meter of concrete is 515-one 530 kg, the dosage of the concrete with the strength grade of C70 is 0.23-0.26, the dosage of the solid waste base cementing material in each cubic meter of concrete is 530-545 kg, the dosage of the concrete with the strength grade of C75 is 0.22-0.25, the dosage of the solid waste base cementing material in each cubic meter of concrete is 545-one 560 kg, the dosage of the concrete with the strength grade of C80 is 0.20-0.23, and the dosage of the solid waste base cementing material in each cubic meter of concrete is 560-one 575 kg.
As an improvement of the above technical solution, in the step five, the weight ratio of the solid waste base cementing material and the coarse aggregate is different according to different grades of concrete, and the ratio of the solid waste base cementing material to the coarse aggregate is 1: 2.85, C25, C30, C35, C40, C45, C50 and C55 strength grade concrete, the proportion of the solid waste base cementing material and the coarse aggregate is 1: 2.63, C60, C65, C70, C75 and C80 strength grade concrete, the proportion of solid waste base gel materials and coarse aggregates is 1: 2.39, the additive added in the step five is determined by testing the concrete in advance.
Specifically, taking a manufacturing method of the solid waste base cementing material concrete as an example, the first preferable step is as follows completely:
1. stirring the solid waste base gelling material: the raw materials of 32 percent of granulated blast furnace slag, 34 percent of steel slag, 18 percent of industrial by-product gypsum, 8 percent of fly ash and 8 percent of iron tailings are mixed and stirred in a mixing cylinder, at normal temperature, the granulated blast furnace slag, the fly ash and the iron tailings are excited by divalent metal oxide and hydroxide in the steel slag and the industrial by-product gypsum to form a gelling property and form a solid waste base gelling material with a first strength grade,
2. and (3) testing the solid waste base cementing material: taking a small amount of samples, inspecting the samples to ensure that the samples meet the following indexes that the content of sulfur trioxide is more than or equal to 5 percent and less than 12 percent, the content of chloride ions is less than or equal to 0.06 percent, the density is more than or equal to 2.8g/cm, the water consumption for standard consistency is less than or equal to 28.5 percent, the initial setting time is more than or equal to 60 minutes, the final setting time is less than or equal to 600 minutes, the stability is qualified by adopting a boiling method and an autoclave method, the detection is carried out by a negative pressure sieve analysis method, the sieve residue of a sieve with a sieve size of 45 mu m is less than or equal to 10 percent,
3. and (3) solid waste base cementing material storage: storing the solid waste base gel materials produced in the same batch according to the amount of one inspection batch per 500T, performing moisture-proof treatment, inspecting the raw materials again when the gel materials are not used for more than three months, and using the gel materials after the inspection is qualified,
4. preparing ready-mixed mortar: the solid waste base cementing material of 330 kg and the fine aggregate of 462 kg are measured out by a quantitative feeding device, the materials are premixed and then added into a forced mixer, 181 kg of water is added, the forced mixer is started to stir the materials for 80S, the materials are uniformly mixed to form pre-mixed mortar,
5. and (3) concrete preparation, namely adding 940 kg of coarse aggregate into a forced mixer, adding a proper amount of additive, starting the forced mixer to stir for 100 seconds, and uniformly mixing to form the concrete with the strength grade of C15.
The second preferred step is entirely:
1. stirring the solid waste base gelling material: the raw materials of 40 percent of granulated blast furnace slag, 35 percent of steel slag, 15 percent of industrial by-product gypsum, 5 percent of fly ash and 5 percent of iron tailings are mixed and stirred in a mixing cylinder, at normal temperature, the granulated blast furnace slag, the fly ash and the iron tailings are excited by divalent metal oxide and hydroxide in the steel slag and the industrial by-product gypsum to form a gelling property and form a solid waste base gelling material with a second strength grade,
2. and (3) testing the solid waste base cementing material: taking a small amount of samples, inspecting the samples to ensure that the samples meet the following indexes that the content of sulfur trioxide is more than or equal to 5 percent and less than 12 percent, the content of chloride ions is less than or equal to 0.06 percent, the density is more than or equal to 2.8g/cm, the water consumption for standard consistency is less than or equal to 28.5 percent, the initial setting time is more than or equal to 60 minutes, the final setting time is less than or equal to 600 minutes, the stability is qualified by adopting a boiling method and an autoclave method, the detection is carried out by a negative pressure sieve analysis method, the sieve residue of a sieve with a sieve size of 45 mu m is less than or equal to 10 percent,
3. and (3) solid waste base cementing material storage: storing the solid waste base gel materials produced in the same batch according to the amount of one inspection batch per 500T, performing moisture-proof treatment, inspecting the raw materials again when the gel materials are not used for more than three months, and using the gel materials after the inspection is qualified,
4. preparing ready-mixed mortar: metering 420 kg of solid waste base cementing material and 525 kg of fine aggregate by a quantitative feeding device, premixing the materials, adding the premixed materials into a forced stirrer, adding 126 kg of water, starting the forced stirrer to stir the materials for 100 seconds, uniformly mixing the materials to form premixed mortar,
5. and (2) concrete preparation, namely adding 1104 kg of coarse aggregate into a forced mixer, adding a proper amount of additive, starting the forced mixer to stir for 110S, and uniformly mixing to form the C40 strength grade concrete.
The third preferred step is entirely:
1. stirring the solid waste base gelling material: the raw materials of 50 percent of granulated blast furnace slag, 32 percent of steel slag, 12 percent of industrial by-product gypsum, 3 percent of fly ash and 3 percent of iron tailings are mixed and stirred in a mixing cylinder, at normal temperature, the granulated blast furnace slag, the fly ash and the iron tailings are excited by divalent metal oxide and hydroxide in the steel slag and the industrial by-product gypsum to form a gelling property and form a solid waste base gelling material with a second strength grade,
2. and (3) testing the solid waste base cementing material: taking a small amount of samples, inspecting the samples to ensure that the samples meet the following indexes that the content of sulfur trioxide is more than or equal to 5 percent and less than 12 percent, the content of chloride ions is less than or equal to 0.06 percent, the density is more than or equal to 2.8g/cm, the water consumption for standard consistency is less than or equal to 28.5 percent, the initial setting time is more than or equal to 60 minutes, the final setting time is less than or equal to 600 minutes, the stability is qualified by adopting a boiling method and an autoclave method, the detection is carried out by a negative pressure sieve analysis method, the sieve residue of a sieve with a sieve size of 45 mu m is less than or equal to 10 percent,
3. and (3) solid waste base cementing material storage: storing the solid waste base gel materials produced in the same batch according to the amount of one inspection batch per 500T, performing moisture-proof treatment, inspecting the raw materials again when the gel materials are not used for more than three months, and using the gel materials after the inspection is qualified,
4. preparing ready-mixed mortar: 555 kg of solid waste base cementing material and 627 kg of fine aggregate are quantitatively obtained through a quantitative feeding device, the solid waste base cementing material and the fine aggregate are premixed and added into a forced mixer, 127 kg of water is added, the forced mixer is started to stir the materials for 120S and is uniformly mixed to form pre-mixed mortar,
5. and (3) concrete preparation, namely adding 1326 kg of coarse aggregate into a forced mixer, adding a proper amount of additive, starting the forced mixer to stir for 1200S, and uniformly mixing to form the C75 strength grade concrete.
A dosing device is described in detail below with reference to figures 2 to 14 of the accompanying drawings:
a quantitative feeding device comprises a workbench 1, a quantitative feeding mechanism is arranged above the workbench 1, a discharging mechanism is arranged below the quantitative feeding mechanism, a material distributing mechanism is arranged below the discharging mechanism,
the quantitative feeding mechanism comprises a support frame 2 fixedly arranged on the upper surface of a workbench 1, a first feeding cylinder 3 is arranged on one side above the support frame 2, first supporting columns 4 are arranged at four corners of the lower surface of the first feeding cylinder 3, the lower end of each first supporting column 4 is fixedly arranged on the upper surface of the support frame 2, a first inclined guide cylinder 5 is arranged below the first feeding cylinder 3, a second supporting column 6 is arranged at the lower end of the first inclined guide cylinder 5, the lower end of the second supporting column 6 is fixedly arranged on the upper surface of the support frame 2, one side of the upper end of the first inclined guide cylinder 5 is fixedly connected with the discharge end of the first feeding cylinder 3, first rolling bearings 7 are arranged on the surfaces of the two sides in the first inclined guide cylinder 5, a first round opening 8 is formed on one side of the first inclined guide cylinder 5, a first feeding screw rod 9 is arranged in the first inclined cylinder 5, one end of the first, the other end of a first feeding screw 9 penetrates through another first rolling bearing 7 and a first round opening 8 and extends to the outer side of a first inclined material guiding cylinder 5, a first material guiding pipe 10 is arranged on one side of the lower end of the first inclined material guiding cylinder 5, a first measuring cylinder 11 is arranged below the first material guiding pipe 10, first weighing sensors 12 are arranged on two sides of the lower surface of the first measuring cylinder 11, the lower end of each first weighing sensor 12 is fixedly arranged on the upper surface of a supporting frame 2, a first round table-shaped material guiding channel 13 is arranged at the lower end in the first measuring cylinder 11, a first material discharging channel 14 is arranged at the lower end of the first measuring cylinder 11, a first inlet and a first outlet 15 are formed in one side of the supporting frame 2, the lower end of the first material discharging channel 14 penetrates through the first inlet and the first outlet 15 and extends to the lower part of the supporting frame 2, a first blocking section 16 is formed at the lower end of the first material discharging channel 14, a first blocking plate, a first discharge hole 18 is formed in the first blocking plate 17, a second feeding cylinder 19 is arranged on one side of the first feeding cylinder 3, third support pillars 20 are arranged at four corners of the lower surface of the second feeding cylinder 19, the lower ends of the third support pillars 20 are fixedly arranged on the upper surface of the support frame 2, a second inclined guide cylinder 21 is arranged below the second feeding cylinder 19, a fourth support pillar 22 is arranged at the lower end of the second inclined guide cylinder 21, the lower end of the fourth support pillar 22 is fixedly arranged on the upper surface of the support frame 2, one side of the upper end of the second inclined guide cylinder 21 is fixedly connected with the discharge end of the second feeding cylinder 19, second rolling bearings 23 are arranged on the surfaces of the two sides in the second inclined guide cylinder 21, a second circular opening 24 is formed in one side of the second inclined guide cylinder 21, a second feeding screw 25 is arranged in the second inclined guide cylinder 21, one end of the second feeding screw 25 is inserted into one second rolling bearing 23, the other end of the second feeding screw 25 passes through the other second rolling bearing 23, a second material guiding pipe 26 is arranged on one side of the lower end of the second inclined material guiding cylinder 21, a second quantitative cylinder 27 is arranged below the second material guiding pipe 26, second weighing sensors 28 are arranged on two sides of the lower surface of the second quantitative cylinder 27, the lower end of each second weighing sensor 28 is fixedly arranged on the upper surface of the support frame 2, a second circular truncated cone-shaped material guiding channel 29 is arranged at the lower end in the second quantitative cylinder 27, a second material discharging channel 30 is arranged at the lower end of the second quantitative cylinder 27, a second inlet and outlet 31 is formed in one side of the support frame 2, the lower end of the second material discharging channel 30 penetrates through the second inlet and outlet 31 and extends to the lower part of the support frame 2, a second interception port 32 is formed in the lower end of the second material discharging channel 30, a second interception plate 33 is arranged below the support frame 2, one end of the second interception plate 33 penetrates through the second interception port 32 and extends into the second material discharging channel 30, a second material outlet 34 is formed in the second interception plate, a stretching plate 36 is arranged on one side of the lower surface of the first interception plate 17, one end of the stretching plate 36 extends between the two first limiting plates 35, a supporting table 37 is arranged on one side of the upper surface of the supporting frame 2, a rotating motor 38 is arranged on the upper surface of the supporting table 37, a first bevel gear 39 is arranged at the rotating end of the rotating motor 38, a first one-way bearing 40 is arranged at one end of the first feeding screw 9 positioned on the outer side of the first inclined material guide cylinder 5, a second bevel gear 41 is arranged on the outer side of the first one-way bearing 40, the second bevel gear 41 is meshed with the first bevel gear 39, a second one-way bearing 42 is arranged at one end of the second feeding screw 25 positioned on the outer side of the second inclined material guide cylinder 21, a third bevel gear 43 is arranged on the outer side,
the discharging mechanism comprises a first transmission gear 44 fixedly arranged at the rotating end of the rotating motor 38, a second transmission gear 45 is arranged below the first transmission gear 44, the second transmission gear 45 and the first transmission gear 44 are connected through a first transmission chain 46, a transmission shaft 47 is arranged on the second transmission gear 45, third rolling bearings 48 are arranged at two ends of the transmission shaft 47, a poking wheel 49 is arranged at one end of the transmission shaft 47, a connecting port 50 is formed in the support frame 2, the lower end of the poking wheel 49 penetrates through the connecting port 50 to extend below the support frame 2, one side of the poking wheel 49 is connected with a plurality of first poking columns 51 through hinges, a first intercepting column 52 is arranged at one side of the first poking column 51, the first intercepting column 52 is fixedly arranged on the poking wheel 49, the other side of the poking wheel 49 is connected with a plurality of second poking columns 53 through hinges, a second intercepting column 54 is arranged at one side of the second poking column, two first fixing columns 55 are mounted on one side of the upper surface of the first baffle plate 17, the first fixing columns 55 are located below the first toggle columns 51, two second fixing columns 56 are mounted on the other side of the upper surface of the first baffle plate 17, the second fixing columns 56 are located below the second toggle columns 53, a containing box 57 is arranged below the support frame 2, the upper end of the containing box 57 is fixedly connected with the lower surface of the support frame 2 through a plurality of connecting columns 58, a third circular platform-shaped material guide channel 59 is mounted at the lower end of the containing box 57, a third material discharge channel 60 is mounted at the lower end of the containing box 57, a third baffle port 61 is formed at the lower end of the third material discharge channel 60, a third baffle plate 62 is arranged below the support frame 2, one end of the third baffle plate 62 penetrates through the third baffle port 61 and extends into the third material discharge channel 60, a third material discharge port 63 is formed in the third baffle plate 62, two second limiting plates 64 are mounted on one side of the upper surface, the lower surface of the first interception plate 17 is provided with a pushing plate 65, and the lower end of the pushing plate 65 is positioned between the two second limit plates 64.
Further, the material distributing mechanism comprises a material distributing box 66 positioned above the workbench 1, a rotating shaft 67 is installed at the center of the lower surface of the material distributing box 66, a fourth rolling bearing 68 is installed at the lower end of the rotating shaft 67, the fourth rolling bearing 68 is fixedly installed on the workbench 1, a plurality of pulleys 69 are installed at the lower surface of the material distributing box 66, an inclined conduit 70 is installed at the lower ends of the second material discharging channel 30 and the third material discharging channel 60, the inclined conduit 70 extends to the upper portion of the material distributing box 66, an inclined material guiding plate 71 is installed at the lower end in the material distributing box 66, a material distributing pipe 72 is installed at one side of the lower end of the material distributing box 66, a first rotating gear 73 is installed at the outer side of the upper end of the material distributing box 66, a fixing plate 74 is installed at one side of the lower end of the material distributing box 66, a fifth rolling bearing 76 is installed at, the lower end of the transmission column 75 is provided with a second rotating gear 77, the second rotating gear 77 is meshed with the first rotating gear 73, the upper end of the transmission column 75 is provided with a third transmission gear 78, the surface of one side of the first interception plate 17 is provided with a movable rack 79, one side of the movable rack 79 is provided with a transmission rod 80, the upper end of the transmission rod 80 is provided with a sixth rolling bearing 81, the upper end of the sixth rolling bearing 81 is fixedly arranged on the lower surface of the support frame 2, the transmission rod 80 is provided with a fourth transmission gear 82, the fourth transmission gear 82 is connected with the third transmission gear 78 through a second transmission chain 83, the lower end of the transmission rod 80 is provided with a third one-way bearing 84, the outer side of the third one-way bearing 84 is provided with a.
Furthermore, eight material distributing channels 86 are arranged above the workbench 1, and one side of the upper end of each material distributing channel 86 is arranged on the workbench 1.
Furthermore, a supporting plate 87 is arranged on one side of the lower surface of the support frame 2, the supporting plate 87 is located below the first interception plate 17, connecting plates 88 are mounted on two sides of the upper surface of the supporting plate 87, the upper end of each connecting plate 88 is fixedly connected with the lower surface of the support frame 2, supporting wheels 89 are mounted on the upper surface of the supporting plate 87, and the upper ends of the supporting wheels 89 are in contact with the lower surface of the first interception plate 17.
When the method in the application document is adopted for manufacturing concrete, when quantitative feeding is needed to be carried out on raw materials; the quantitative feeding device in the present document is used. The principle of use is briefly explained as follows: the device is controlled by an external controller, a worker adds solid waste base cementing materials into a first feeding cylinder 3 through mechanical equipment, adds fine aggregate into a second feeding cylinder 19, switches on a power supply, starts a rotating motor 38 to rotate in the positive direction, the rotating motor 38 can drive a first bevel gear 39 to rotate, the first bevel gear 39 can drive a second bevel gear 41 and a third bevel gear 43 to rotate, the second bevel gear 41 and a first one-way bearing 40 can rotate through the meshing of the first bevel gear 39 and the second bevel gear 41 when the rotating motor 38 rotates in the positive direction under the action of a first one-way bearing 40 and a second one-way bearing 42, and drives a first feeding screw rod 9 to rotate, the third bevel gear 43 can be driven to rotate through the meshing of the first bevel gear 39 and the third bevel gear 43, at the moment, the second one-way bearing 42 rotates outside the second feeding screw rod 25, the second feed screw 25 is not driven to rotate, and when the rotary motor 38 rotates in the reverse direction, the second feed screw 25 is driven to rotate by the meshing of the gears, the first feed screw 9 is not driven to rotate,
when the rotating motor 38 rotates forward, the first transmission gear 44 can be driven to rotate, the first transmission gear 44 is connected with the second transmission gear 45 through the first transmission chain 46, the second transmission gear 45, the transmission shaft 47 and the toggle wheel 49 can be driven to rotate, the toggle wheel 49 can drive the first toggle column 51 and the second toggle column 53 to rotate, when the first toggle column 51 rotates in the direction, after contacting with the first fixed column 55, the first toggle column 51 rotates around the hinge and cannot push the first fixed column 55 and the first interception plate 17 to move, the supporting wheel 89 can play a supporting role for the interception plate 17 and can also reduce the friction force when the supporting plate 17 moves, when the second toggle column 53 contacts with the second fixed column 55, the second interception column 54 can drive the second toggle column 53 and the second toggle column 53 cannot rotate around the hinge, at this time, the second toggle column 53 can drive the second fixed column 56 and the first interception plate 17 to move towards the direction close to the first charging barrel 3, after the second toggle column 53 pushes the second fixed column 56 to the limit position, the second toggle column 53 does not contact the second fixed column 56, at this time, the first discharge port 18 moves to the outside of the first discharge channel 14 through the first interception opening 16, so as to close the first discharge channel 14, the first interception plate 17 can pull the second interception plate 33 towards the direction close to the first feeding cylinder 3 through the action of the stretching plate 36 and the first limiting plate 35, so as to move the second discharge port 34 to the lower side of the second discharge channel 30, so as to open the second discharge channel 30, when the rotating motor 38 rotates reversely, the first transmission gear 44 can be driven to rotate, the first transmission gear 44 is connected with the second transmission gear 45 through the first transmission chain 46, so as to drive the second transmission gear 45, the transmission shaft 47 and the toggle wheel 49 to rotate, the toggle wheel 49 can drive the first toggle column 51 and the second toggle column 53 to rotate, in this direction, after the second toggle column 53 contacts the second fixed column 55, the second interception column 54 will rotate around the hinge, and will not push the second fixed column 56 and the first interception plate 17 to move, after the first toggle column 51 contacts the first fixed column 55, the first toggle column 51 will be intercepted by the first interception column 52, and will push the first fixed column 55 and the first interception plate 17 to the direction far away from the first feeding cylinder 3, after the first toggle column 51 pushes the first fixed column 55 to the limit position, the first toggle column 51 will not contact the first fixed column 55, the first interception plate 17 will not move, at this time, the first discharge port 18 moves into the first discharge port 18, the first discharge channel 18 is connected, the first interception plate 17 can push the second interception plate 33 to the direction far away from the first feeding cylinder 3 through the action of the stretching plate 36 and the first limiting plate 35, so that the second discharge port 34 moves to the outside of the second discharge channel 30, thereby closing the second discharging channel 30, when the first interception plate 17 moves, the third interception plate 62 can be driven to move by the action of the pushing plate 65 and the second limit plate 64, and when the second discharging port 34 moves into the second discharging channel 30, the third discharging port 63 is driven to move into the third discharging channel 60, the third discharging channel 60 is opened, when the second discharging port 34 moves to the outside of the second discharging channel 30, the third discharging port 63 is driven to move to the outside of the third discharging channel 60, the third discharging channel 60 is closed, that is, when the rotating motor 38 rotates forwards, the first discharging channel 14 can be opened, the second discharging channel 30 and the third discharging channel 60 are closed, when the rotating motor 38 rotates backwards, the first discharging channel 14 can be closed, and the second discharging channel 30 and the third discharging channel 60 can be opened,
when the first interception plate 17 is driven by the rotating motor 38 in a forward rotation manner to move, the moving rack 79 is driven to move, the moving rack 79 is meshed with the third rotating gear 85 to drive the third rotating gear 85 and the third one-way bearing 84 to rotate, the third one-way bearing 84 and the transmission rod 80 move relatively at the moment, the transmission rod 80 cannot rotate, when the rotating motor 38 rotates reversely to drive the first interception plate 17 to rotate, the moving rack 79 is driven to move, the moving rack 79 is meshed with the third rotating gear 85 to drive the third rotating gear 85 and the third one-way bearing 84 to rotate, the third one-way bearing 84 and the transmission rod 80 cannot move relatively at the moment, the transmission rod 80 can be driven to rotate, the transmission rod 80 can drive the fourth transmission gear 82 to rotate, the fourth transmission gear 82 is connected with the third transmission gear 78 through the second transmission chain 83, and can drive the third transmission gear 78, the transmission column 75, The second rotating gear 77 rotates, the second rotating gear 77 is meshed with the first rotating gear 73, the first rotating gear 73 and the material distribution box 66 can be driven to rotate, so that the material distribution pipe 72 can be rotated to the material distribution channel 86 at the next position, namely, the rotating motor 38 rotates reversely once, the material distribution pipe 72 can move once to the next material distribution channel 86, when the rotating motor 38 rotates forwards, the material distribution box 66 cannot be driven to rotate,
the worker uses mechanical equipment to feed materials into the first feeding cylinder 3 and the second feeding cylinder 19, the rotating motor 38 is started to rotate forwards, the first interception plate 17 can move towards the direction close to the first feeding cylinder 3, the first discharge channel 14 is closed, the second discharge channel 30 and the third discharge channel 60 are opened, the first feeding screw 9 is driven to rotate, the solid waste cementing material in the first feeding cylinder 3 can be added into the first inclined guide cylinder 5, the materials are fed into the first quantifying cylinder 11 through the first guide pipe 10, the weight of the first quantifying cylinder 11 is detected through the first weighing sensor 12, when the required weight is reached, the rotating speed of the rotating motor 38 is reduced, the materials can be slowly fed into the first quantifying cylinder 11, when the required weight is reached, the rotating motor 38 is stopped to rotate, and the weight of the second quantifying cylinder 27 is detected through the second weighing sensor 28, when no raw material exists in the second quantitative cylinder 27, the rotating motor 38 is started to rotate reversely, at this time, the first interception plate 17 can be moved towards the direction far away from the first feeding cylinder 3, the first discharging channel 14 is opened, the second discharging channel 30 and the third discharging channel 60 are closed, at this time, the first feeding screw 9 does not rotate and can not feed into the first quantitative cylinder 11, the raw material in the first quantitative cylinder 11 falls into the containing box 57 through the first discharging channel 14 and the first discharging port 18, when the rotating motor 38 rotates reversely, the second feeding screw 25 is driven to rotate, fine aggregate in the second feeding cylinder 19 can be added into the second inclined material guiding cylinder 21 and can be fed into the second quantitative cylinder 27 through the second material guiding pipe 26, the weight in the second quantitative cylinder 27 is detected through the second weighing sensor 28, when the rotating speed of the rotating motor 38 is reduced and can slowly feed into the second quantitative cylinder 27, when the required weight is reached, the rotation of the rotating motor 38 is stopped, when the rotating motor 38 rotates reversely, the material distributing pipe 72 can rotate once towards the next material distributing channel 86, at the moment, the rotating motor 38 is started to rotate forwardly, the first material discharging channel 14 can be sealed, the material is fed into the first quantitative cylinder 11, the second material discharging channel 30 and the third material discharging channel 60 are opened, at the moment, the raw materials in the second quantitative cylinder 27 and the containing box 57 are fed into the material distributing box 66 through the second material discharging channel 30, the third material discharging channel 60 and the inclined conduit 70, the raw materials are fed into the material distributing channel 86 through the material distributing pipe 72 and then the forced mixer, water is fed into the forced mixer, then the mixing is carried out, the processes are repeated, and the raw materials can be continuously fed into the forced mixer,
when the rotating motor 38 switches forward and reverse rotation to open or close the first discharging channel 14, the second discharging channel 30 and the third discharging channel 60, a small amount of raw materials are leaked, some errors exist, the quality of finished products cannot be affected by the errors due to the fact that the weight of concrete raw materials is large, and if high precision is needed, the number of the first toggle columns 51 and the second toggle columns 53 can be increased to achieve the purpose.
The above description is only a preferred embodiment of the present invention, but the present invention is not limited to the above embodiments, and the technical effects of the present invention can be achieved by any similar or identical means, which fall within the protection scope of the present invention.
The technical solutions described above only represent the preferred technical solutions of the present invention, and some possible modifications to some parts of the technical solutions by those skilled in the art all represent the principles of the present invention, and fall within the protection scope of the present invention.

Claims (10)

1. The method for manufacturing the solid waste base cementing material concrete is characterized by comprising the following steps of: the solid waste based cementing material comprises 30-60% of granulated blast furnace slag, 30-50% of steel slag, 10-20% of industrial by-product gypsum, 3-10% of fly ash and 3-10% of iron tailings, and the processing steps comprise: stirring solid waste base cementing materials, inspecting the solid waste base cementing materials, storing the solid waste base cementing materials, preparing premixed mortar and preparing concrete;
step one, stirring the solid waste base gelling material: placing the granulated blast furnace slag, the steel slag, the industrial by-product gypsum, the fly ash and the iron tailings in a mixing cylinder according to a proportion for mixing, stirring the mixture by a stirrer, exciting the granulated blast furnace slag, the fly ash and the iron tailings by using divalent metal oxide and hydroxide in the steel slag and the industrial by-product gypsum at normal temperature to form a gelling property and form a solid waste base gelling material,
step two, inspecting the solid waste base gel material: detecting the technical performance index of the solid waste base gel material,
step three, storing the solid waste base gelling material: the solid waste base gelling material is separately stored and is subjected to damp-proof treatment,
step four, preparing ready-mixed mortar: quantitatively adding the solid waste base cementing material and the fine aggregate into a forced stirrer according to a certain proportion, putting water into the forced stirrer according to a certain water-to-gel ratio for stirring for 80-120S,
and step five, concrete preparation, namely after the ready-mixed mortar is prepared, quantitatively adding coarse aggregate into the forced mixer according to a certain proportion, adding a proper amount of additive, starting the forced mixer to mix for 100-120 seconds, and taking the concrete out of the forced mixer after the mixture is uniformly mixed.
2. The method for preparing the concrete of the solid waste base cementing material according to the claim 1, which is characterized in that: the solid waste base cementing material can be divided into three grades according to the strength, and the first grade solid waste base cementing material comprises the following raw materials in percentage by weight: 30-45% of granulated blast furnace slag, 30-50% of steel slag, 10-20% of industrial byproduct gypsum, 3-10% of fly ash, 3-10% of iron tailings, and the second grade solid waste base cementing material comprises the following raw materials in percentage by weight: 40-60% of granulated blast furnace slag, 30-40% of steel slag, 10-20% of industrial byproduct gypsum, 3-5% of fly ash, 3-5% of iron tailings, and the third grade solid waste base cementing material comprises the following raw materials in percentage by weight: 45-60% of granulated blast furnace slag, 30-35% of steel slag, 10-20% of industrial byproduct gypsum, 3-5% of fly ash and 3-5% of iron tailings.
3. The method for preparing the concrete of the solid waste base cementing material according to the claim 1, which is characterized in that: the detection result for detecting other technical performance indexes of the solid waste base gel material in the step two is required to meet the following requirements: the content of sulfur trioxide is more than or equal to 5% and less than 12%, the content of chloride ions is less than or equal to 0.06%, the density is more than or equal to 2.8g/cm for high-speed harvest, the water consumption for standard consistency is less than or equal to 28.5%, the initial setting time is more than or equal to 60min, the final setting time is less than or equal to 600min, the stability is detected to be qualified by adopting a boiling method and an autoclaving method, the solid waste base gel material is detected by a negative pressure sieve analysis method, and the sieve residue of a sieve with the size of 45 mu m is required to be less than or.
4. The method for preparing the concrete of the solid waste base cementing material according to the claim 1, which is characterized in that: when the solid waste base gel material in the third step is stored for more than 3 months and is not used, the solid waste base gel material needs to be detected again.
5. The method for preparing the concrete of the solid waste base cementing material according to the claim 1, which is characterized in that: in the fourth step, the solid waste base cementing material and the fine aggregate are different in weight proportion according to different grades of concrete, the concrete with strength grades of C10, C15 and C20 has the solid waste base cementing material and the fine aggregate in the proportion of 1: 1.4, concrete of strength grade C25, C30, C35, C40, C45, C50 and C55, the proportion of the solid waste base cementing material and the fine aggregate is 1: 1.25, C60, C65, C70, C75 and C80 strength grade concrete, the proportion of solid waste base cementing material and fine aggregate is 1: 1.13, the water-cement ratio in the fourth step is different according to different grades of concrete, the proportion is different, the used solid waste base cementing materials are different, the C10 strength grade concrete has the water-cement ratio of 0.55-0.58, the solid waste base cementing materials in each cubic meter of concrete are 340-kilogram of solid waste base cementing materials, the C15 strength grade concrete has the water-cement ratio of 0.53-0.56, the solid waste base cementing materials in each cubic meter of concrete are 340-350 kilogram of solid waste base cementing materials, the C20 strength grade concrete has the water-cement ratio of 0.49-0.54, the solid waste base cementing materials in each cubic meter of concrete are 350-365-kilogram of solid waste base cementing materials, the C25 strength grade concrete has the water-cement ratio of 0.43-0.48, the solid waste base cementing materials in each cubic meter of concrete are 365-375 kilogram of solid waste base cementing materials, the C30 strength grade concrete has the water-cement ratio of 0.39-0.44, and the solid waste base cementing materials in each cubic meter of concrete are 390-cubic meter of solid waste base cementing materials, the concrete with the strength grade of C35 has the water-gel ratio of 0.37-0.42, the dosage of the solid waste base cementing material in each cubic meter of the concrete is 390-410 kg, the concrete with the strength grade of C40 has the water-gel ratio of 0.34-0.39, the dosage of the solid waste base cementing material in each cubic meter of the concrete is 410-430 kg, the dosage of the solid waste base cementing material in each cubic meter of the concrete is 0.32-0.37, the dosage of the solid waste base cementing material in each cubic meter of the concrete is 430-450 kg, the dosage of the solid waste base cementing material in each cubic meter of the concrete is 0.30-0.33, the dosage of the solid waste base cementing material in each cubic meter of the concrete is 450-475 kg, the dosage of the solid waste base cementing material in each cubic meter of the concrete is 0.27-0.30, the dosage of the solid waste base cementing material in each cubic meter of the concrete is 500 kg, the concrete with the strength grade of C60, the water-0.25-0.515-500 kg, the concrete with the strength grade of C65 has the water-cement ratio of 0.24-0.27, the dosage of the solid waste base cementing material in each cubic meter of concrete is 515-cottage 530 kg, the concrete with the strength grade of C70 has the water-cement ratio of 0.23-0.26, the dosage of the solid waste base cementing material in each cubic meter of concrete is 530-cottage 545 kg, the concrete with the strength grade of C75 has the water-cement ratio of 0.22-0.25, the dosage of the solid waste base cementing material in each cubic meter of concrete is 545-cottage 560 kg, the concrete with the strength grade of C80 has the water-cement ratio of 0.20-0.23, and the dosage of the solid waste base cementing material in each cubic meter of concrete is 560-cottage 575 kg.
6. The method for preparing the concrete of the solid waste base cementing material according to the claim 1, which is characterized in that: in the step five, the weight proportion of the solid waste base cementing material and the coarse aggregate is different according to different grades of concrete, the proportion of the solid waste base cementing material to the coarse aggregate is 1 for the concrete with strength grades of C10, C15 and C20: 2.85, C25, C30, C35, C40, C45, C50 and C55 strength grade concrete, the proportion of the solid waste base cementing material and the coarse aggregate is 1: 2.63, C60, C65, C70, C75 and C80 strength grade concrete, the proportion of solid waste base gel materials and coarse aggregates is 1: 2.39, the additive added in the step five is determined by testing the concrete in advance.
7. The utility model provides a quantitative feeding device, includes workstation (1), its characterized in that: a quantitative feeding mechanism is arranged above the workbench (1), a discharging mechanism is arranged below the quantitative feeding mechanism, a material distributing mechanism is arranged below the discharging mechanism,
the quantitative feeding mechanism comprises a support frame (2) fixedly arranged on the upper surface of a workbench (1), a first feeding cylinder (3) is arranged on one side above the support frame (2), first supporting columns (4) are arranged at four corners of the lower surface of the first feeding cylinder (3), the lower ends of the first supporting columns (4) are fixedly arranged on the upper surface of the support frame (2), a first inclined guide cylinder (5) is arranged below the first feeding cylinder (3), a second supporting column (6) is arranged at the lower end of the first inclined guide cylinder (5), the lower end of the second supporting column (6) is fixedly arranged on the upper surface of the support frame (2), one side of the upper end of the first inclined guide cylinder (5) is fixedly connected with the discharge end of the first feeding cylinder (3), first rolling bearings (7) are arranged on the surfaces of the two sides in the first inclined guide cylinder (5), a first circular opening (8) is formed in one side of the first inclined, a first feeding screw rod (9) is arranged in the first inclined guide cylinder (5), one end of the first feeding screw rod (9) is inserted into one first rolling bearing (7), the other end of the first feeding screw rod (9) penetrates through the other first rolling bearing (7) and the first round opening (8) and extends to the outer side of the first inclined guide cylinder (5), a first guide pipe (10) is installed on one side of the lower end of the first inclined guide cylinder (5), a first quantifying cylinder (11) is arranged below the first guide pipe (10), first weighing sensors (12) are installed on two sides of the lower surface of the first quantifying cylinder (11), the lower end of each first weighing sensor (12) is fixedly installed on the upper surface of the support frame (2), a first round table-shaped guide channel (13) is installed at the lower end of the first quantifying cylinder (11), a first discharging channel (14) is installed at the lower end of the first quantifying cylinder (11), a first inlet and a first outlet (15) are formed on one side of the support, the lower end of a first discharge channel (14) penetrates through a first inlet and outlet (15) and extends to the lower part of a support frame (2), a first intercepting port (16) is formed in the lower end of the first discharge channel (14), a first intercepting plate (17) is arranged below the support frame (2), one end of the first intercepting plate (17) penetrates through the first intercepting port (16) and extends into the first discharge channel (14), a first discharge hole (18) is formed in the first intercepting plate (17), a second material guide cylinder (19) is arranged on one side of a first material guide cylinder (3), third support columns (20) are installed at four corners of the lower surface of the second material guide cylinder (19), the lower end of each third support column (20) is fixedly installed on the upper surface of the support frame (2), a second inclined material guide cylinder (21) is arranged below the second material guide cylinder (19), a fourth support column (22) is installed at the lower end of the second inclined material guide cylinder (21), and the lower end of the fourth support column (22) is fixedly installed on, one side of the upper end of a second inclined guide cylinder (21) is fixedly connected with the discharge end of a second feed cylinder (19), second rolling bearings (23) are arranged on the surfaces of the two sides in the second inclined guide cylinder (21), a second round opening (24) is formed in one side of the second inclined guide cylinder (21), a second feed screw (25) is arranged in the second inclined guide cylinder (21), one end of the second feed screw (25) is inserted into one second rolling bearing (23), the other end of the second feed screw (25) penetrates through the other second rolling bearing (23) and the second round opening (24) and extends to the outer side of the second inclined guide cylinder (21), a second guide pipe (26) is arranged on one side of the lower end of the second inclined guide cylinder (21), a second quantitative cylinder (27) is arranged below the second guide pipe (26), second weighing sensors (28) are arranged on the two sides of the lower surface of the second quantitative cylinder (27), and the lower end of each second weighing sensor (28) is fixedly arranged on the upper surface of the support frame (2), a second round platform-shaped material guide channel (29) is installed at the lower end in the second quantitative cylinder (27), a second discharging channel (30) is installed at the lower end of the second quantitative cylinder (27), a second inlet and outlet (31) is formed in one side of the support frame (2), the lower end of the second discharging channel (30) penetrates through the second inlet and outlet (31) and extends to the lower portion of the support frame (2), a second intercepting port (32) is formed in the lower end of the second discharging channel (30), a second intercepting plate (33) is arranged below the support frame (2), one end of the second intercepting plate (33) penetrates through the second intercepting port (32) and extends into the second discharging channel (30), a second discharging port (34) is formed in the second intercepting plate (33), two first limiting plates (35) are installed on one side of the lower surface of the second intercepting plate (33), a stretching plate (36) is installed on one side of the lower surface of the first intercepting plate (17), one end of the stretching plate (36) extends to a position between the two first limiting, a supporting table (37) is installed on one side of the upper surface of the supporting frame (2), a rotating motor (38) is installed on the upper surface of the supporting table (37), a first bevel gear (39) is installed at the rotating end of the rotating motor (38), a first one-way bearing (40) is installed at one end, located on the outer side of the first inclined material guide cylinder (5), of the first feeding screw (9), a second bevel gear (41) is installed on the outer side of the first one-way bearing (40), the second bevel gear (41) is meshed with the first bevel gear (39), a second one-way bearing (42) is installed at one end, located on the outer side of the second inclined material guide cylinder (21), of the second feeding screw (25), a third bevel gear (43) is installed on the outer side of the second one-way bearing (42), and the third,
the discharging mechanism comprises a first transmission gear (44) fixedly installed at the rotating end of a rotating motor (38), a second transmission gear (45) is arranged below the first transmission gear (44), the second transmission gear (45) is connected with the first transmission gear (44) through a first transmission chain (46), a transmission shaft (47) is installed on the second transmission gear (45), third rolling bearings (48) are installed at two ends of the transmission shaft (47), a poking wheel (49) is installed at one end of the transmission shaft (47), a connecting port (50) is formed in a support frame (2), the lower end of the poking wheel (49) penetrates through the connecting port (50) and extends to the lower portion of the support frame (2), a plurality of first poking columns (51) are connected to one side of the poking wheel (49) through hinges, a first intercepting column (52) is arranged on one side of the first poking column (51), and the first intercepting column (52) is fixedly installed on the pok, the other side of the toggle wheel (49) is connected with a plurality of second toggle columns (53) through hinges, one side of each second toggle column (53) is provided with a second intercepting column (54), the second intercepting column (54) is fixedly installed on the toggle wheel (49), one side of the upper surface of the first intercepting plate (17) is provided with two first fixed columns (55), the first fixed columns (55) are positioned below the first toggle columns (51), the other side of the upper surface of the first intercepting plate (17) is provided with two second fixed columns (56), the second fixed columns (56) are positioned below the second toggle columns (53), a containing box (57) is arranged below the support frame (2), the upper end of the containing box (57) is fixedly connected with the lower surface of the support frame (2) through a plurality of connecting columns (58), the lower end in the containing box (57) is provided with a third circular-table-shaped material guide channel (59), and the lower end of the containing box (57) is provided with a third material discharge channel (60), third discharge passage (60) lower extreme is opened has third and is blocked mouth (61), support frame (2) below is equipped with third and block board (62), third blocks board (62) one end and passes third and block mouth (61) and stretch to third discharge passage (60) in, third blocks board (62) and goes up to open has third discharge gate (63), two second limiting plate (64) are installed to third and block board (62) upper surface one side, first block board (17) lower surface mounting has slurcam (65), slurcam (65) lower extreme is located between two second limiting plate (64).
8. A dosing device as claimed in claim 7, characterized in that: the material distribution mechanism comprises a material distribution box (66) positioned above the workbench (1), a rotating shaft (67) is installed at the center of the lower surface of the material distribution box (66), a fourth rolling bearing (68) is installed at the lower end of the rotating shaft (67), the fourth rolling bearing (68) is fixedly installed on the workbench (1), a plurality of pulleys (69) are installed at the lower surface of the material distribution box (66), an inclined guide pipe (70) is installed at the lower ends of a second discharging channel (30) and a third discharging channel (60), the inclined guide pipe (70) extends to the upper portion of the material distribution box (66), an inclined material guide plate (71) is installed at the lower end in the material distribution box (66), a material distribution pipe (72) is installed at one side of the lower end of the material distribution box (66), a first rotating gear (73) is installed at the outer side of the upper end of the material distribution box (66), a, the upper end and the lower end of a transmission column (75) are provided with fifth rolling bearings (76), the fifth rolling bearings (76) at the upper end are arranged on the lower surface of a support frame (2), the fifth rolling bearings (76) at the lower end are arranged on the upper surface of a fixing plate (74), the lower end of the transmission column (75) is provided with a second rotating gear (77), the second rotating gear (77) is meshed with the first rotating gear (73), the upper end of the transmission column (75) is provided with a third transmission gear (78), the surface of one side of a first interception plate (17) is provided with a movable rack (79), one side of the movable rack (79) is provided with a transmission rod (80), the upper end of the transmission rod (80) is provided with a sixth rolling bearing (81), the upper end of the sixth rolling bearing (81) is fixedly arranged on the lower surface of the support frame (2), the transmission rod (80) is provided with a fourth transmission gear (, the lower end of the transmission rod (80) is provided with a third one-way bearing (84), the outer side of the third one-way bearing (84) is provided with a third rotating gear (85), and the third rotating gear (85) is meshed with the movable rack (79).
9. A dosing device as claimed in claim 7, characterized in that: eight material distributing channels (86) are arranged above the workbench (1), and one side of the upper end of each material distributing channel (86) is installed on the workbench (1).
10. A dosing device as claimed in claim 7, characterized in that: support frame (2) lower surface one side is equipped with backup pad (87), and backup pad (87) are located first interception board (17) below, and connecting plate (88) are installed to backup pad (87) upper surface both sides, and connecting plate (88) upper end and support frame (2) lower fixed surface are connected, and surface mounting has supporting wheel (89) backup pad (87), and supporting wheel (89) upper end and first interception board (17) lower surface contact.
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