CN113771232A - Green environment-friendly recycled aggregate concrete production system and production process - Google Patents
Green environment-friendly recycled aggregate concrete production system and production process Download PDFInfo
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- CN113771232A CN113771232A CN202110963588.0A CN202110963588A CN113771232A CN 113771232 A CN113771232 A CN 113771232A CN 202110963588 A CN202110963588 A CN 202110963588A CN 113771232 A CN113771232 A CN 113771232A
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- recycled aggregate
- grinding
- polishing
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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
- B28C9/00—General arrangement or layout of plant
- B28C9/02—General arrangement or layout of plant for producing mixtures of clay or cement with other materials
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D47/00—Separating dispersed particles from gases, air or vapours by liquid as separating agent
- B01D47/06—Spray cleaning
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C19/00—Other disintegrating devices or methods
- B02C19/0056—Other disintegrating devices or methods specially adapted for specific materials not otherwise provided for
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
- B02C23/08—Separating or sorting of material, associated with crushing or disintegrating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/28—Moving screens not otherwise provided for, e.g. swinging, reciprocating, rocking, tilting or wobbling screens
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
- B08B3/02—Cleaning by the force of jets or sprays
-
- 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
- B28C7/0007—Pretreatment of the ingredients, e.g. by heating, sorting, grading, drying, disintegrating; Preventing generation of dust
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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
- 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
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B18/00—Use of agglomerated or waste materials or refuse as fillers for mortars, concrete or artificial stone; Treatment of agglomerated or waste materials or refuse, specially adapted to enhance their filling properties in mortars, concrete or artificial stone
- C04B18/04—Waste materials; Refuse
- C04B18/16—Waste materials; Refuse from building or ceramic industry
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/91—Use of waste materials as fillers for mortars or concrete
Abstract
The application relates to green type recycled aggregate concrete production system and production worker, its including set gradually be used for polishing recycled aggregate's grinding device, be used for carrying out the screening plant that sieves and be used for the mix mixing device of production concrete to the recycled aggregate after polishing. The recycled aggregate concrete mortar has the advantages of reducing cement paste and mortar attached to the surface of the recycled aggregate, reducing the surface roughness of the recycled aggregate, enabling the particle shape of the recycled aggregate to be more regular, reducing the content of impurities such as silt mixed in the recycled aggregate, and improving the quality of fresh concrete prepared from the recycled aggregate.
Description
Technical Field
The application relates to the field of concrete production technology, in particular to a green environment-friendly recycled aggregate concrete production system and a production process.
Background
The regenerated concrete is prepared by crushing, cleaning and grading waste concrete blocks, mixing the crushed, cleaned and graded waste concrete blocks with a grading agent according to a certain proportion, partially or completely replacing natural aggregates (mainly coarse aggregates) such as sand stones and the like, and adding cement, water and the like.
In the actual production process, compared with natural aggregate, most of the recycled aggregate is wrapped by mortar, so that the surface is rough and the specific surface area is large, the flowability of the fresh concrete is poor, and the quality of the fresh concrete is influenced.
Disclosure of Invention
In order to reduce the surface roughness of the recycled aggregate and improve the quality of fresh concrete, the application provides a green and environment-friendly recycled aggregate concrete production system and a production process.
On the one hand, the application provides green environment-friendly recycled aggregate concrete production system adopts following technical scheme:
green environment-friendly recycled aggregate concrete production system, its characterized in that: including the grinding device who is used for polishing the regeneration aggregate that sets gradually, be used for carrying out the screening plant that sieves and be used for the mix mixing device of mix production concrete to the regeneration aggregate after polishing.
By adopting the technical scheme, when the recycled aggregate is used for producing concrete, the recycled aggregate is conveyed into the polishing device, the polishing device is used for polishing the recycled aggregate, and mortar, cement paste and the like coated and adhered on the surface of the recycled aggregate are removed, so that the surface roughness of the recycled aggregate is reduced, the flowability of fresh concrete produced by using the recycled aggregate is improved, and the quality of the fresh concrete is improved; the edges and corners of the recycled aggregate can be ground to a certain degree, so that the particle shape of the recycled aggregate is more regular, and the quality of the concrete prepared from the recycled aggregate is further improved; after the polished recycled aggregate is screened by a screening device, cement paste and mortar fragments generated by polishing and recycled aggregate fragments are removed, and the quality of the recycled aggregate is improved; conveying the screened recycled aggregate into a stirring device to be mixed with water, cement, sand and the like for producing concrete, and obtaining recycled aggregate concrete after mixing; through the cooperation of grinding device and screening plant for the adhesive cement thick liquid and the mortar that get into the regeneration aggregate surface among the mixing device are less, and regeneration aggregate surface roughness is lower, and the particle shape of regeneration aggregate is more regular, and impurity such as silt that mix with in the regeneration aggregate is still less, thereby improves the quality of the fresh concrete that the regeneration aggregate made.
Preferably, the grinding device comprises a frame and a first grinding cylinder rotationally arranged on the frame, the first grinding cylinder is cylindrical and vertical in axis, the first grinding cylinder is rotationally arranged by taking the axis as a rotating shaft, the upper end and the lower end of the first grinding cylinder are both provided with openings, a cover plate used for opening or closing the opening at the lower end of the first grinding cylinder is movably arranged on the frame, a driving assembly used for driving the first grinding cylinder to rotate is further arranged on the frame, and a stirring part used for stirring recycled aggregate is arranged in the first grinding cylinder.
Through adopting above-mentioned technical scheme, when polishing the regeneration aggregate, the lower extreme opening that will first polish a section of thick bamboo through the apron seals, in the top conveying that will regenerate the aggregate from first polish a section of thick bamboo into first polish a section of thick bamboo, and polish a section of thick bamboo through the drive assembly drive and rotate, polish a section of thick bamboo and take place the friction between the regeneration aggregate when rotating, stir regeneration aggregate through stirring piece simultaneously, make regeneration aggregate overturn and the looks mutual friction in polishing a section of thick bamboo, thereby realize polishing regeneration aggregate with the function of grinding away grout and mortar, with the roughness that reduces regeneration aggregate, and it is difficult for causing the damage to regeneration aggregate inner structure to polish the in-process, with the quality of guarantee regeneration aggregate, improve the quality of newly-mixed concrete.
Preferably, a second grinding cylinder is rotatably arranged on the rack, the second grinding cylinder is positioned above the first grinding cylinder and coaxially arranged, the second grinding cylinder is rotatably arranged by taking the axis of the second grinding cylinder as a rotating shaft, the upper end and the lower end of the second grinding cylinder are both provided with openings, the lower end of the second grinding cylinder is rotatably connected with the upper end of the first grinding cylinder, a leakage-proof part for preventing the aggregate from leaking is arranged at the joint of the second grinding cylinder and the first grinding cylinder, the stirring part is also arranged in the second grinding cylinder, the driving assembly is further used for driving the second grinding cylinder to rotate, and the rotating directions of the second grinding cylinder and the first grinding cylinder are opposite.
By adopting the technical scheme, the second grinding barrel is arranged above the first grinding barrel on the frame, so that on one hand, the quantity of the recycled aggregate subjected to grinding treatment at each time can be increased, and on the other hand, the rotation directions of the first grinding barrel and the second grinding barrel are opposite, so that the recycled aggregate moves more violently, and the grinding efficiency is improved; and the first grinding cylinder and the second grinding cylinder are coaxially arranged, so that the recycled aggregate can circulate between the first grinding cylinder and the second grinding cylinder, and the grinding uniformity of the recycled aggregate is improved.
Preferably, the outer diameters of the first polishing barrel and the second polishing barrel are the same, the leakage-proof part comprises a sleeve which is sleeved at the joint of the second polishing barrel and the first polishing barrel, the sleeve and the first polishing barrel are coaxially arranged, the inner wall of the sleeve is attached to the outer walls of the first polishing barrel and the second polishing barrel, a connecting ring which is coaxial with the inner wall of the sleeve is arranged on the inner wall of the sleeve, and the upper end face of the first polishing barrel and the lower end face of the second polishing barrel are both attached to the connecting ring.
By adopting the technical scheme, the sleeve is arranged at the joint of the first grinding cylinder and the second grinding cylinder, so that on one hand, aggregate can be effectively prevented from leaking out of the joint of the first grinding cylinder and the second grinding cylinder, and on the other hand, the connection stability of the first grinding cylinder and the second grinding cylinder can be improved, so that the first grinding cylinder and the second grinding cylinder are not easy to misplace in the rotating process, and the stability of the grinding process is improved; and the connecting ring is arranged to prevent the first grinding cylinder and the second grinding cylinder from contacting with each other, so that the abrasion of the joint of the first grinding cylinder and the second grinding cylinder is reduced.
Preferably, the rack is provided with a spraying assembly for spraying water into the second grinding cylinder.
By adopting the technical scheme, more dust can be generated in the process of polishing the recycled aggregate, and the spraying assembly is arranged to spray water into the second polishing barrel, so that the dust is not easy to diffuse into the air, and the sanitation of the production environment is ensured; the friction force among the recycled aggregates can be increased by spraying water on the recycled aggregates, so that the polishing effect of the recycled aggregates is improved, and the polishing efficiency is improved; the recycled aggregate can be cooled by spraying water on the recycled aggregate, so that the influence on the quality of concrete caused by overhigh temperature of the recycled aggregate during the subsequent mixing and production of the concrete can be avoided as much as possible.
Preferably, the screening device comprises a vibrating screen arranged below the first grinding cylinder, and the recycled aggregate poured out of the first grinding cylinder falls on a screen mesh of the vibrating screen.
By adopting the technical scheme, the recycled aggregate after polishing is screened by the vibrating screen, and the method is simple and easy to implement and has a good screening effect.
Preferably, the screening device further comprises a washing assembly for washing the recycled aggregate screened on the vibrating screen.
By adopting the technical scheme, when the ground recycled aggregate is screened, the recycled aggregate is washed by the washing component, and the residual cement paste and mortar on the surface of the recycled aggregate are washed away, so that the recycled aggregate entering the mixing device contains less impurities, and the quality of fresh concrete is improved; meanwhile, the washing component can cool the recycled aggregate after polishing, so that the influence of overhigh temperature of the recycled aggregate on the quality of the fresh concrete is avoided as much as possible.
On the other hand, the application also provides a green environment-friendly recycled aggregate concrete production process, which adopts the green environment-friendly recycled aggregate concrete production system for production.
By adopting the technical scheme, the cement paste and the mortar attached to the surface of the recycled aggregate can be reduced, the roughness of the surface of the recycled aggregate is reduced, the particle shape of the recycled aggregate is more regular, the impurities such as silt and the like mixed in the recycled aggregate are less, and the quality of the fresh concrete prepared from the recycled aggregate is improved.
In summary, the present application includes at least one of the following beneficial technical effects:
1. through the arrangement of the grinding device and the screening device, the grinding device grinds the recycled aggregate, removes mortar, cement paste and the like wrapped and adhered on the surface of the recycled aggregate, can grind off edges and corners of the recycled aggregate to a certain degree, reduces the surface roughness of the recycled aggregate, enables the particle shape of the recycled aggregate to be more regular, improves the fluidity of fresh concrete produced by using the recycled aggregate, improves the quality of the fresh concrete prepared by using the recycled aggregate, screens the ground recycled aggregate through the screening device, removes cement paste, mortar fragments and aggregate fragments generated by grinding, reduces impurities such as silt and the like mixed in the recycled aggregate, and improves the quality of the fresh concrete prepared by using the recycled aggregate;
2. the function of polishing the recycled aggregate is realized through the cooperation of the first polishing barrel, the second polishing barrel, the stirring piece and the driving assembly, the polishing treatment efficiency of the recycled aggregate is high, the damage to the internal structure of the recycled aggregate is not easy to cause, the production efficiency of concrete is improved, and the quality of fresh concrete can be ensured.
Drawings
FIG. 1 is a schematic view of the overall structure of the present embodiment;
FIG. 2 is a schematic structural view of a grinding device and a sieving device in the present embodiment;
fig. 3 is a schematic view of the structure of the sleeve and the connection ring in the present embodiment.
Reference numerals: 1. a polishing device; 2. a screening device; 3. a mixing device; 4. a frame; 41. a support plate; 42. a support pillar; 43. mounting a plate; 44. a connecting rod; 45. a base; 46. mounting a rod; 5. a first polishing drum; 51. a mounting ring; 52. a roller; 53. a ring gear; 6. a cover plate; 7. a drive screw; 8. a guide bar; 9. a drive motor; 10. a drive assembly; 101. polishing the control motor; 102. a drive shaft; 103. a drive gear; 104. a driving gear; 105. a transmission gear; 11. a stirring rod; 12. a second grinding drum; 13. a sleeve; 131. a ball bearing; 14. a connecting ring; 15. a spray nozzle; 16. vibrating screen; 17. washing the spray head; 18. a blender; 19. a material guide chute; 20. a support table; 21. and (6) mounting the column.
Detailed Description
The present application is described in further detail below with reference to the accompanying drawings.
Referring to fig. 1, the embodiment of the application discloses green environment-friendly recycled aggregate concrete production system, it is including the grinding device 1 that is used for polishing the recycled aggregate that sets gradually, be used for carrying out the screening plant 2 of screening and the mix device 3 that is used for the mix production concrete to the recycled aggregate after polishing.
Referring to fig. 1 and 2, the polishing device 1 includes a frame 4 and a first polishing barrel 5 rotatably mounted on the frame 4, the first polishing barrel 5 is cylindrical and has a vertical axis, the first polishing barrel 5 is rotatably mounted with the axis thereof serving as a rotating shaft, and both upper and lower ends of the first polishing barrel 5 are provided with openings; specifically, in this embodiment, the frame 4 includes a horizontally disposed support plate 41 and a plurality of vertical support columns 42, the plurality of support columns 42 are uniformly distributed on the periphery of the support plate 41 and fixed with the support plate 41, and a mounting hole for the first polishing barrel 5 to rotatably penetrate is formed through the support plate 41; a circle of mounting ring 51 is fixed on the outer wall of the first grinding cylinder 5, the outer diameter of the mounting ring 51 is larger than the diameter of the mounting hole, and the mounting ring 51 is positioned above the support plate 41 and is lapped on the support plate 41, so that the rotary mounting of the first grinding cylinder 5 on the frame 4 is realized; in order to reduce the rotational resistance of the first grinding drum 5, rollers 52 rolling on the support plate 41 are rotatably mounted on the lower side of the mounting ring 51.
Referring to fig. 2, a cover plate 6 for opening or closing the lower end opening of the first grinding cylinder 5 is movably arranged on the frame 4, so that the first grinding cylinder 5 can be filled with recycled aggregate for grinding treatment; specifically, the frame 4 further includes a horizontal mounting plate 43 fixedly disposed between the plurality of supporting columns 42, the mounting plate 43 is located below the first polishing barrel 5, a discharge opening coaxial with the first polishing barrel 5 and having a diameter larger than the inner diameter of the first polishing barrel 5 penetrates through the mounting plate 43, the cover plate 6 is horizontally disposed and horizontally slides on the mounting plate 43, in this embodiment, the cover plate 6 is circular and has a diameter larger than the inner diameter of the first polishing barrel 5, and the upper surface of the cover plate 6 is flush with the lower end of the first polishing barrel 5; in order to realize the function of sealing or opening the lower end opening of the first grinding cylinder 5 by sliding the driving cover plate 6, a driving screw 7 and a guide rod 8 which are all horizontal are arranged on the mounting plate 43, the driving screw 7 and the guide rod 8 are mutually parallel and distributed on two opposite sides of the first grinding cylinder 5, the driving screw 7 is rotatably mounted on the mounting plate 43, and the guide rod 8 is fixed on the mounting plate 43; the cover plate 6 is located between the driving screw 7 and the guide rod 8, the cover plate 6 is fixedly connected with a sliding block which is sleeved on the guide rod 8 in a sliding mode and a driving block which is sleeved on the driving screw 7 and assembled with the driving screw 7 in a threaded mode, one end of the driving screw 7 is connected with a driving motor 9 which is fixed on the mounting plate 43, and an output shaft of the driving motor 9 is coaxially and fixedly connected with the driving screw 7.
Referring to fig. 2, a driving assembly 10 for driving the first grinding cylinder 5 to rotate is further disposed on the frame 4; specifically, a gear ring 53 is coaxially and fixedly sleeved on the outer wall of the first polishing barrel 5, the driving assembly 10 comprises a polishing control motor 101 fixed on the supporting plate 41, an output shaft of the polishing control motor 101 is vertically arranged upwards and is coaxially and fixedly connected with a driving shaft 102, and a driving gear 103 meshed with the gear ring 53 is coaxially and fixedly sleeved on the driving shaft 102; the function of driving the first grinding cylinder 5 to rotate is realized.
Referring to fig. 2, in order to accelerate the grinding effect of the recycled aggregate in the first grinding cylinder 5, a stirring member for stirring the recycled aggregate is provided in the first grinding cylinder 5; specifically, the stirring piece comprises a stirring rod 11 fixed on the inner wall of the first grinding cylinder 5, the stirring rod 11 is horizontally arranged, the axis of the stirring rod is intersected with the axis of the first grinding cylinder 5, one end of the stirring rod 11 is fixed with the inner wall of the first grinding cylinder 5, a plurality of stirring rods 11 are distributed along the circumferential direction of the grinding cylinder, and a plurality of groups of stirring rods 11 are distributed along the axial direction of the first grinding cylinder 5. When the first grinding cylinder 5 rotates, the regenerated aggregate is stirred through the stirring rod 11 so that the regenerated aggregate is overturned, friction occurs between the regenerated aggregate, and then the grinding function of the regenerated aggregate is realized, and the grinding effect and the grinding efficiency are improved.
Referring to fig. 1 and 2, in order to increase the volume of the recycled aggregate subjected to primary grinding treatment, a second grinding cylinder 12 is further rotatably mounted on the frame 4, the second grinding cylinder 12 is positioned above the first grinding cylinder 5 and coaxially arranged, the upper end and the lower end of the second grinding cylinder 12 are also provided with openings, and the axis of the second grinding cylinder 12 is also used as a rotating shaft; the lower end of the second grinding cylinder 12 is rotatably connected with the upper end of the first grinding cylinder 5, a leakage-proof piece for preventing the aggregate from leaking is arranged at the joint of the first grinding cylinder 5 and the second grinding cylinder 12, and correspondingly, the same stirring rod 11 is arranged in the second grinding cylinder 12; specifically, a supporting plate 41 for the second polishing drum 12 to rotate is also arranged above the first polishing drum 5, a mounting hole is also formed in the supporting plate 41 for the second polishing drum 12 to be mounted, a mounting ring 51 is also coaxially and fixedly sleeved on the outer wall of the second polishing drum 12, and a roller 52 rolling on the supporting plate 41 is also arranged on the mounting ring 51 on the second polishing drum 12.
Referring to fig. 2 and 3, the outer diameter of the second grinding cylinder 12 is the same as the outer diameter of the first grinding cylinder 5, the leakage-proof member includes a sleeve 13 sleeved at the joint of the second grinding cylinder 12 and the first grinding cylinder 5, the sleeve 13 is coaxially arranged with the first grinding cylinder 5, the inner wall of the sleeve 13 is attached to the first grinding cylinder 5 and the second grinding cylinder 12, a connecting ring 14 is fixed on the inner wall of the sleeve 13, the connecting ring is coaxial with the sleeve and is located between the first grinding cylinder 5 and the second grinding cylinder 12, and the upper end of the first grinding cylinder 5 and the lower end of the second grinding cylinder 12 are both attached to the connecting ring 14, so that the recycled aggregate can be prevented from leaking out between the first grinding cylinder 5 and the second grinding cylinder 12; in the present embodiment, the sleeve 13 and the plurality of support columns 42 are fixedly connected by the connecting rods 44, and in order to reduce the rotational resistance of the first sleeve 13 and the second sleeve 13, balls 131 are rotatably embedded on the inner wall of the sleeve 13.
Referring to fig. 2, the driving assembly 10 is also used for driving the second grinding cylinder 12 to rotate, and in order to improve the grinding effect on the recycled aggregate, the driving assembly 10 drives the second grinding cylinder 12 to rotate in the direction opposite to the rotating direction of the first grinding cylinder 5; specifically, the outer wall of the second grinding cylinder 12 is also coaxially and fixedly sleeved with a gear ring 53, the gear ring 53 is located between the two support plates 41, a driving gear 104 is coaxially and fixedly arranged on the driving shaft 102, a transmission gear 105 is arranged between the driving gear 104 and the gear ring 53 on the second grinding cylinder 12, the transmission gear 105 is rotatably sleeved on a mounting shaft fixed on the support plate 41 for mounting the second grinding cylinder 12, and the transmission gear 105 is respectively meshed with the gear ring 53 and the driving gear 104. By making the rotation directions of the first and second grinding cylinders 5 and 12 opposite, the relative movement between the recycled aggregates can be made more vigorous, thereby improving the grinding effect.
Referring to fig. 2, a spraying assembly for spraying water into the second grinding cylinder 12 is further arranged on the frame 4, the spraying assembly comprises a spraying nozzle 15 fixed on the frame 4, specifically, a vertical supporting rod is fixed on a supporting plate 41 for installing the second grinding cylinder 12, the spraying nozzle 15 is fixed on the supporting rod, a water spraying opening faces the inside of the second grinding cylinder 12, and when the spraying assembly is actually installed, the spraying nozzle 15 is connected with an external water pump through a water pipe, and the water pump is arranged in an external water source. Thereby ensuring that dust generated during polishing is not easy to diffuse into the surrounding air,
referring to fig. 2, the screen assembly includes a vibrating screen 16 located right below the first grinding drum 5, the frame 4 further includes a horizontal base 45 disposed between the plurality of supporting columns 42, the vibrating screen 16 is disposed on the base 45, and the recycled aggregate falling in the first grinding drum 5 falls on the screen of the vibrating screen 16; therefore, the polished recycled aggregate can be screened to remove cement paste, mortar fragments, aggregate fragments and the like generated by polishing, and the quality of the recycled aggregate is improved.
Referring to fig. 2, in order to improve the screening effect of the recycled aggregate, the screening assembly further includes a washing assembly for washing the recycled aggregate screened on the vibrating screen 16, the washing assembly includes two rows of washing nozzles 17 disposed at two sides of the material conveying direction of the vibrating screen 16, specifically, mounting rods 46 disposed along the screen inclination direction of the vibrating screen 16 are disposed at two sides of the vibrating screen 16, the mounting rods 46 are fixed on a base 45 through vertical fixing rods, and each row of washing nozzles 17 includes a plurality of washing nozzles 17 fixed on one mounting rod 46 and distributed along the length direction of the mounting rod 46; similarly, in actual installation, the washing nozzle 17 may be connected to an external water pump and an external water source through a water pipe. The recycled aggregate is washed by the washing component, and cement paste, mortar and the like attached to the surface of the recycled aggregate are further removed, so that impurities contained in the recycled aggregate are further reduced.
Referring to fig. 1, the mixing device 3 includes a mixer 18, in this embodiment, the mixer 18 is a double horizontal shaft forced mixer, a feed hopper for feeding aggregate and powder is arranged at a feed inlet at the top of the mixer 18, the height of the feed hopper is lower than that of a screen of the vibrating screen 16, a material guide chute 19 for guiding the aggregate into the mixer 18 is arranged between the vibrating screen 16 and the mixer 18, one end of the material guide chute 19 close to the vibrating screen 16 is fixed on a base 45, and one end of the material guide chute 19 close to the mixer 18 extends into the feed hopper; because the discharge port of the stirrer 18 is positioned at the bottom, in order to facilitate the blanking operation of the stirrer 18, the stirring device further comprises a horizontal support table 20 arranged outside the frame 4, the support table 20 is fixed on the ground through a plurality of mounting columns 21, the stirrer 18 is arranged on the support table 20, and a blanking hole is formed in the support table 20 and penetrates under the discharge port of the stirrer 18; one end of the material guide groove 19 close to the stirrer 18 is fixed on the support table 20 through a vertical rod.
The implementation principle of the embodiment is as follows: when the recycled aggregate is used for concrete production, the cover plate 6 is driven by the driving motor 9 to move to close the lower end opening of the first grinding cylinder 5, and the recycled aggregate is conveyed into the second grinding cylinder 12 and the first grinding cylinder 5 from the upper end opening of the second grinding cylinder 12 until the first grinding cylinder 5 and the second grinding cylinder 12 are filled; starting a grinding control motor 101, driving a first grinding cylinder 5 and a second grinding cylinder 12 to rotate, and stirring the recycled aggregate through a stirring rod to turn over and rub the recycled aggregate with each other so as to grind the recycled aggregate; while polishing, spraying water into the second polishing barrel 12 through the spray nozzle 15 to reduce dust and increase the friction force among aggregates; after polishing is finished, the vibrating screen 16 is started to drive the cover plate 6 to move to open the lower end opening of the first polishing barrel 5, the recycled aggregate falls on a screen mesh of the vibrating screen 16, the vibrating screen 16 screens the polished recycled aggregate, and cement paste, mortar fragments, aggregate fragments and the like generated by polishing are screened; the recycled aggregate is washed by the washing nozzle 17 during screening, so that the screening effect is improved; and introducing the screened recycled aggregate into a stirrer 18 through a guide chute 19, adding powder materials such as cement and fly ash, additives such as a water reducing agent and water and the like into the stirrer 18, and starting the stirrer 18 to mix and produce the concrete.
The embodiment also provides a production process of the green environment-friendly recycled aggregate concrete, which adopts the production system of the green environment-friendly recycled aggregate concrete as described above for production.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (8)
1. Green environment-friendly recycled aggregate concrete production system, its characterized in that: including grinding device (1) that is used for polishing the regeneration aggregate that sets gradually, be used for carrying out screening plant (2) of screening and mix device (3) that are used for the mix production concrete to the regeneration aggregate after polishing.
2. The green environment-friendly recycled aggregate concrete production system according to claim 1, wherein: grinding device (1) include frame (4) and rotate set up in first grinding cylinder (5) on frame (4), first grinding cylinder (5) are cylindrical and the axis is vertical, first grinding cylinder (5) use its axis to rotate the setting as the axis of rotation, first grinding cylinder (5) upper end and lower extreme are all established to the opening, the activity is provided with on frame (4) and is used for opening or close first grinding cylinder (5) lower extreme open-ended apron (6), still be provided with on frame (4) and be used for the drive first grinding cylinder (5) pivoted drive assembly (10), be provided with the stirring piece that is used for stirring the regeneration aggregate in first grinding cylinder (5).
3. The green environment-friendly recycled aggregate concrete production system according to claim 2, wherein: the frame (4) is provided with a second grinding cylinder (12) in a rotating mode, the second grinding cylinder (12) is located above the first grinding cylinder (5) and is coaxially arranged, the second grinding cylinder (12) is arranged in a rotating mode with the axis of the second grinding cylinder as a rotating shaft, the upper end and the lower end of the second grinding cylinder (12) are both arranged to be open, the lower end of the second grinding cylinder (12) is connected with the upper end of the first grinding cylinder (5) in a rotating mode, the joint of the second grinding cylinder (12) and the first grinding cylinder (5) is provided with a leakage-proof piece used for preventing aggregate leakage, the stirring piece is also arranged in the second grinding cylinder (12), the driving assembly (10) is further used for driving the second grinding cylinder (12) to rotate, and the rotating directions of the second grinding cylinder (12) and the first grinding cylinder (5) are opposite.
4. The green environment-friendly recycled aggregate concrete production system according to claim 3, wherein: the outer diameter of the first polishing barrel (5) is the same as that of the second polishing barrel (12), the leakage-proof piece is arranged on the sleeve (13) at the joint of the second polishing barrel (12) and the first polishing barrel (5) in a sleeved mode, the sleeve (13) is coaxially arranged with the first polishing barrel (5), the inner wall of the sleeve (13) is attached to the outer wall of the first polishing barrel (5) and the outer wall of the second polishing barrel (12), the inner wall of the sleeve (13) is provided with a connecting ring (14) coaxial with the inner wall of the sleeve, and the upper end face of the first polishing barrel (5) and the lower end face of the second polishing barrel (12) are attached to the connecting ring (14).
5. The green environment-friendly recycled aggregate concrete production system according to claim 4, wherein: and a spraying assembly for spraying water into the second grinding cylinder (12) is arranged on the rack (4).
6. The green environment-friendly recycled aggregate concrete production system according to claim 5, wherein: the screening device (2) comprises a vibrating screen (16) arranged below the first grinding barrel (5), and the recycled aggregate poured out of the first grinding barrel (5) falls on a screen of the vibrating screen (16).
7. The green environment-friendly recycled aggregate concrete production system of claim 6, wherein: the screening device (2) further comprises a washing assembly for washing recycled aggregate screened on the vibrating screen (16).
8. The production process of the green environment-friendly recycled aggregate concrete is characterized by comprising the following steps of: the green environment-friendly recycled aggregate concrete production system as claimed in any one of claims 1 to 8 is adopted for production.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115613862A (en) * | 2022-10-19 | 2023-01-17 | 武汉建工集团股份有限公司 | Intelligent nomadic type quick recycled concrete production workshop and construction method |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2015013770A (en) * | 2013-07-04 | 2015-01-22 | 日工株式会社 | Aggregate regeneration treatment apparatus |
| CN210438726U (en) * | 2019-06-06 | 2020-05-01 | 郑博文 | New forms of energy continuous fermentation device |
| CN211118157U (en) * | 2019-10-26 | 2020-07-28 | 武汉凌合机电设备有限公司 | Multilayer anti-leakage rotating pipe |
| CN112076533A (en) * | 2020-08-26 | 2020-12-15 | 深圳绿景环保再生资源有限公司 | Sandstone aggregate circulating water treatment system and method |
| CN112318716A (en) * | 2020-10-21 | 2021-02-05 | 深圳市龙岗大工业区混凝土有限公司 | Recycled concrete preparation process and system |
| CN213085825U (en) * | 2020-09-16 | 2021-04-30 | 靖江市恒生混凝土制造有限公司 | Recycled concrete apparatus for producing |
| CN113480217A (en) * | 2021-08-20 | 2021-10-08 | 武汉兴诚海水泥制品有限公司 | Concrete production process for preparing concrete by using construction waste |
| CN114082640A (en) * | 2021-11-29 | 2022-02-25 | 深圳市和志诚环保建材有限公司 | Preparation system and preparation process of recycled stone for concrete |
-
2021
- 2021-08-20 CN CN202110963588.0A patent/CN113771232A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2015013770A (en) * | 2013-07-04 | 2015-01-22 | 日工株式会社 | Aggregate regeneration treatment apparatus |
| CN210438726U (en) * | 2019-06-06 | 2020-05-01 | 郑博文 | New forms of energy continuous fermentation device |
| CN211118157U (en) * | 2019-10-26 | 2020-07-28 | 武汉凌合机电设备有限公司 | Multilayer anti-leakage rotating pipe |
| CN112076533A (en) * | 2020-08-26 | 2020-12-15 | 深圳绿景环保再生资源有限公司 | Sandstone aggregate circulating water treatment system and method |
| CN213085825U (en) * | 2020-09-16 | 2021-04-30 | 靖江市恒生混凝土制造有限公司 | Recycled concrete apparatus for producing |
| CN112318716A (en) * | 2020-10-21 | 2021-02-05 | 深圳市龙岗大工业区混凝土有限公司 | Recycled concrete preparation process and system |
| CN113480217A (en) * | 2021-08-20 | 2021-10-08 | 武汉兴诚海水泥制品有限公司 | Concrete production process for preparing concrete by using construction waste |
| CN114082640A (en) * | 2021-11-29 | 2022-02-25 | 深圳市和志诚环保建材有限公司 | Preparation system and preparation process of recycled stone for concrete |
Non-Patent Citations (1)
| Title |
|---|
| 胡鑫: "强化处理再生混凝土骨料的研究", 《住宅与房地产》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115613862A (en) * | 2022-10-19 | 2023-01-17 | 武汉建工集团股份有限公司 | Intelligent nomadic type quick recycled concrete production workshop and construction method |
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