CN117720295A - Chemical strengthening method and device for building solid waste recycled concrete aggregate - Google Patents
Chemical strengthening method and device for building solid waste recycled concrete aggregate Download PDFInfo
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- CN117720295A CN117720295A CN202410086370.5A CN202410086370A CN117720295A CN 117720295 A CN117720295 A CN 117720295A CN 202410086370 A CN202410086370 A CN 202410086370A CN 117720295 A CN117720295 A CN 117720295A
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- 239000002910 solid waste Substances 0.000 title claims abstract description 41
- 238000003426 chemical strengthening reaction Methods 0.000 title claims abstract description 29
- 238000000034 method Methods 0.000 title claims description 42
- 239000000463 material Substances 0.000 claims abstract description 96
- 238000005728 strengthening Methods 0.000 claims abstract description 43
- 239000000126 substance Substances 0.000 claims abstract description 22
- 239000004568 cement Substances 0.000 claims abstract description 20
- 239000004570 mortar (masonry) Substances 0.000 claims abstract description 18
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 7
- 238000003756 stirring Methods 0.000 claims description 76
- 230000002093 peripheral effect Effects 0.000 claims description 64
- 230000003014 reinforcing effect Effects 0.000 claims description 58
- 238000007599 discharging Methods 0.000 claims description 26
- 230000002787 reinforcement Effects 0.000 claims description 21
- 238000010276 construction Methods 0.000 claims description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 15
- 239000004115 Sodium Silicate Substances 0.000 claims description 14
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 claims description 14
- 239000000920 calcium hydroxide Substances 0.000 claims description 14
- 229910001861 calcium hydroxide Inorganic materials 0.000 claims description 14
- 229910021487 silica fume Inorganic materials 0.000 claims description 14
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 claims description 14
- 229910052911 sodium silicate Inorganic materials 0.000 claims description 14
- 230000008569 process Effects 0.000 claims description 12
- 230000004048 modification Effects 0.000 claims description 6
- 238000012986 modification Methods 0.000 claims description 6
- 238000002360 preparation method Methods 0.000 claims description 6
- 230000001360 synchronised effect Effects 0.000 claims description 6
- 239000003638 chemical reducing agent Substances 0.000 claims description 5
- 239000004576 sand Substances 0.000 claims description 5
- 230000009471 action Effects 0.000 claims description 4
- 239000000203 mixture Substances 0.000 claims description 3
- 230000017105 transposition Effects 0.000 claims description 3
- 230000000712 assembly Effects 0.000 claims 2
- 238000000429 assembly Methods 0.000 claims 2
- 230000007547 defect Effects 0.000 abstract 1
- 229910052500 inorganic mineral Inorganic materials 0.000 abstract 1
- 239000011707 mineral Substances 0.000 abstract 1
- 239000012466 permeate Substances 0.000 abstract 1
- 239000011148 porous material Substances 0.000 abstract 1
- 239000000843 powder Substances 0.000 abstract 1
- 239000000377 silicon dioxide Substances 0.000 abstract 1
- 239000002002 slurry Substances 0.000 abstract 1
- 239000002699 waste material Substances 0.000 description 8
- 230000005540 biological transmission Effects 0.000 description 5
- 230000008859 change Effects 0.000 description 3
- 230000035515 penetration Effects 0.000 description 2
- 239000012779 reinforcing material Substances 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009270 solid waste treatment Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
-
- 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
Landscapes
- Preparation Of Clay, And Manufacture Of Mixtures Containing Clay Or Cement (AREA)
Abstract
The invention discloses a chemical strengthening device for building solid waste recycled concrete aggregate, which comprises an aggregate strengthening material blanking component, wherein an aggregate strengthening mixing cylinder component is arranged right below the aggregate strengthening material blanking component, a plurality of groups of aggregate strengthening mixing components are arranged between the aggregate strengthening material blanking component and the aggregate strengthening mixing cylinder component, the aggregate strengthening mixing components are obliquely inserted into the aggregate strengthening mixing cylinder component, and mineral admixture mortar of cement and silica powder slurry enables substances to permeate into defects such as pores and cracks of recycled aggregate.
Description
Technical Field
The invention belongs to the technical field of building solid waste treatment, and particularly relates to a chemical strengthening method and device for building solid waste recycled concrete aggregate.
Background
The construction waste treatment is a mode of reutilizing solid waste as a renewable resource, and the construction waste is the solid waste generated in the process of building new construction, reconstruction, extension or demolition. Construction waste and demolition construction waste can be classified according to the source of the construction waste.
The prior art has the following problems: when the construction waste aggregate is reprocessed and utilized, the compactness and the strength of the construction waste aggregate are poor, and if the construction waste aggregate is directly used, the requirements and the specifications of the construction are hardly met, so that a device and a method for chemically strengthening the construction solid waste aggregate are urgently needed to solve the problems.
Disclosure of Invention
To solve the problems set forth in the background art. The invention provides a chemical strengthening method and a device for building solid waste recycled concrete aggregate, which have the characteristic of being convenient for processing the building solid waste aggregate.
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a building solid waste recycled concrete aggregate chemical strengthening device, includes aggregate reinforcement unloading subassembly, be provided with aggregate reinforcement mixing drum subassembly under the aggregate reinforcement unloading subassembly, be provided with multiunit aggregate reinforcement mixing subassembly between aggregate reinforcement unloading subassembly and the aggregate reinforcement mixing drum subassembly, aggregate reinforcement mixing subassembly slope is inserted and is established in aggregate reinforcement mixing drum subassembly, aggregate reinforcement unloading subassembly forms the proportioning type spiral unloading structure of multiple aggregate chemical reinforcement material at aggregate reinforcement mixing drum subassembly top, aggregate reinforcement mixing subassembly forms transposition stirring and double-deck stirring mixture structure from top to bottom at aggregate reinforcement mixing drum subassembly top.
In the preferred scheme of the method and the device for chemically strengthening the building solid waste recycled concrete aggregate, the aggregate strengthening blanking component comprises a central charging barrel and an outer charging barrel, a first fixed end table is arranged at the top of the central charging barrel, a first supporting arm is fixedly arranged at the top of the first fixed end table, an outer shaft barrel is rotatably arranged at the middle of the first fixed end table, an inner shaft rod is rotatably arranged at the middle of the first supporting arm, a second bevel gear and a first bevel gear are respectively arranged at the top of the inner shaft rod and the top of the outer shaft barrel, a first driving motor and a second driving motor are fixedly arranged at the top of the first fixed end table through a supporting rod, a driving bevel gear on the first driving motor is meshed with the second bevel gear, an auxiliary end frame and a U-shaped supporting frame are arranged at the top of the outer charging barrel, a pushing rod is arranged at two sides of the U-shaped supporting frame through belt pushing arms, a supporting table with holes and a supporting bracket, a shaft barrel belt pulley is fixedly arranged at the outer side of the outer shaft barrel, a second bevel gear and a first bevel gear are respectively arranged at the top of the outer shaft barrel, a second flange is fixedly arranged at the bottom of the outer shaft barrel, a second flange is arranged at the top of the outer shaft rod, a sliding block is arranged at the bottom of the second flange, a sliding block is arranged at the top of the upper flange, and the upper flange of the upper flange. The two ends of the reducing pushing arm are respectively provided with a reducing poking rod and a reducing wheel, a plurality of fixed tables in the middle of the sliding top table are rotatably provided with reducing wheels and motors for driving the reducing wheels to rotate, the reducing wheels are provided with arc-shaped sliding grooves, a reset sliding rod is arranged in a sliding penetration manner in the supporting table with holes, two ends of the reset sliding rod are respectively provided with a spline clamping block and a reset spring, and a reducing conveying belt is wound between the shaft barrel belt pulley and the plurality of reducing wheels;
the aggregate reinforced mixing assembly comprises a mixing end arm table, a mixing motor is arranged at the outer end of the mixing end arm table, a central gear is arranged on an output shaft of the mixing motor, a middle stirring rod is fixedly arranged on the central gear, a three-fork arm is rotatably arranged at the outer part of the middle stirring rod, a middle gear, a second auxiliary gear and a first auxiliary gear are rotatably arranged on a three-fork arm support arm, an inner gear ring and an outer gear ring are respectively arranged on the inner wall and the outer wall of the mixing end arm table, an intermediate gear is arranged between the central gear and the inner gear ring, the middle gear is fixed at the end part of the peripheral stirring rod, an end shaft lever is rotatably arranged on a far-end support arm of the three-fork arm, a material lifting arm is fixedly arranged at one end of the end shaft lever, a material lifting belt pulley and a material lifting hopper are fixedly arranged at the two ends of the material lifting shaft lever, a fixed belt pulley is fixedly arranged on the outer wall of the far-end of the three-fork arm, and a material lifting belt is sleeved between the fixed belt pulley and the material lifting belt pulley;
the aggregate reinforcing mixing cylinder assembly comprises an aggregate reinforcing mixing cylinder, a discharging pipe and a discharging valve are arranged at the bottom of the aggregate reinforcing mixing cylinder, and a supporting side arm is arranged at the outer side of the top of the aggregate reinforcing mixing cylinder.
In the preferable scheme of the method and the device for chemically strengthening the building solid waste recycled concrete aggregate, two sides of the intermediate gear are respectively meshed with the annular gear and the central gear, the peripheral stirring rod is fixedly connected with the intermediate gear, and the peripheral stirring rod forms a circular motion and autorotation structure around the intermediate stirring rod.
In the preferable scheme of the method and the device for chemically strengthening the building solid waste recycled concrete aggregate, two sides of the second auxiliary gear are meshed with the outer gear ring and the first auxiliary gear, the fixed belt pulley is fixed on the arm body at the far end of the three-fork arm, a through groove for the shaft rod at the end part to penetrate is formed in the center of the fixed belt pulley, and the diameter of the fixed belt pulley is larger than that of the lifting belt pulley.
In the preferable scheme of the method and the device for chemically strengthening the building solid waste recycled concrete aggregate, the lifting hopper performs annular action around the middle stirring rod, the lifting hopper forms a structure of digging up and down and turning over the discharging in the aggregate strengthening mixing cylinder through the cooperation of the fixed belt pulley and the lifting belt pulley, and an inner-outer layer double-layer stirring mixture structure is formed between the middle stirring rod and a plurality of peripheral stirring rods.
In the preferable scheme of the method and the device for chemically strengthening the building solid waste recycled concrete aggregate, a plurality of peripheral feed barrels are fixedly arranged outside the central feed barrel, the inner shaft rod rotates in the outer shaft barrel, the belt pushing arm is an elastic pushing arm, and the reducing conveyor belt is enabled to form a tensioning conveyor belt structure through the belt pushing arm.
In the preferable scheme of the method and the device for chemically strengthening the building solid waste recycled concrete aggregate, the diameter-changing toggle rod is inserted in the arc-shaped chute, the diameter-changing wheels drive the plurality of diameter-changing wheels to synchronously expand or contract inwards, so that the plurality of diameter-changing wheels form a diameter-changing wheel structure, the diameter-changing transmission belt is wound between the diameter-changing wheels and the shaft barrel belt pulley, and the diameter-changing wheels formed by the plurality of diameter-changing wheels and the shaft barrel belt pulley form a speed-changing structure through the diameter-changing transmission belt.
In the preferable scheme of the method and the device for chemically strengthening the building solid waste recycled concrete aggregate, the spline clamping blocks are clamped in shaft rod spline grooves on the first linkage shaft rod and the second linkage shaft rod, the electrified electromagnetic coil forms attractive force on the spline clamping blocks, and in an initial state, the spline clamping blocks are pulled out from the shaft rod spline grooves through backward pushing of the reset springs.
In the preferable scheme of the method and the device for chemically strengthening the aggregate of the building solid waste recycled concrete, the central charging barrel and the peripheral charging barrels are respectively fixed above the aggregate strengthening mixing barrel through supporting side arms, the mixing end arm table is obliquely arranged above the aggregate strengthening mixing barrel through supporting arms, and the middle stirring rod and the lifting hopper are obliquely inserted into the aggregate strengthening mixing barrel.
A method for chemically strengthening building solid waste recycled concrete aggregate,
the method comprises the following steps: in the preparation stage, building solid waste aggregate is placed in a central charging barrel on an aggregate reinforced material discharging assembly, silica fume, sodium silicate, calcium hydroxide, cement and the like are respectively placed in a plurality of peripheral charging barrels, and meanwhile, when no material exists, the standby material is stored in the plurality of peripheral charging barrels and the central charging barrel through an external conveying belt;
the second method is as follows: in the initial blanking stage, the central feed cylinder does not perform blanking, at the moment, a plurality of second linkage shafts synchronously rotate to realize equal proportion synchronous blanking of aggregate chemical strengthening materials such as cement, silica fume, sodium silicate and calcium hydroxide matched with an external water adding device and water, at the moment, the aggregate chemical strengthening materials are lifted and stirred up and down in an aggregate strengthening mixing cylinder assembly through an aggregate strengthening mixing assembly to form chemical strengthening mortar for later use;
and a third method: in the middle stage of blanking, blanking is started in the central charging barrel, building solid waste aggregate is added into the aggregate reinforcing mixing barrel assembly, and in the process, reinforcing mortar is uniformly coated on the surface of the recycled aggregate for chemical reinforcement;
the method four: and at the end of the blanking, the corresponding charging barrels in the peripheral charging barrels continue to be blanked, at the moment, the central charging barrel stops blanking, cement, sand, water reducing agent and the like in equal proportion are added, and under the cooperation of the aggregate reinforcing mixing assembly, the aggregate reinforcing mixing barrel assembly is stirred in a billowing way again, so that the recycled concrete which is convenient for preparing on the construction site and is prepared by carrying out chemical reinforcing modification on the recycled aggregate for a plurality of times and stirring with the concrete.
Compared with the prior art, the invention has the beneficial effects that: when the invention is used, the building solid waste aggregate is placed in the central feed cylinder on the aggregate reinforced material blanking component, the silica fume, sodium silicate, calcium hydroxide, cement and the like are respectively placed in the plurality of peripheral feed cylinders, meanwhile, when no material exists, the standby materials are stored in the plurality of peripheral feed cylinders and the central feed cylinder through the external conveying belt, when the initial blanking is carried out, the central feed cylinder does not blanking, at the moment, the plurality of second linkage shafts synchronously rotate, the equal proportion synchronous blanking of the aggregate chemical reinforced material cement, the silica fume, the sodium silicate and the calcium hydroxide matched with an external water adding device and added with water is realized, at the moment, the aggregate chemical reinforced material is formed into chemical reinforced mortar for standby through the up-down feeding and stirring of the aggregate reinforced mixing component in the aggregate reinforced mixing cylinder component, the blanking of the aggregate chemical reinforced material (cement, the silica fume, the sodium silicate and the calcium hydroxide) is formed through the cooperation of the central belt pulley and the peripheral belt pulley, specifically, the diameter of the central belt pulley is unchanged, the diameter of the peripheral belt pulley is variable, the specific principle is that a transmission belt is wound between the central belt pulley and the peripheral belt pulley, when the diameter of the peripheral belt pulley is increased, the transmission ratio between the central belt pulley and the peripheral belt pulley is changed, namely the rotation speed of a corresponding shaft rod is changed, in this way, the spiral rotation blanking with the rotation speed changed is realized, the rotation speed of the central belt pulley is taken as a reference, when the rotation speed of the peripheral belt pulley is reduced (when the diameter of the peripheral belt pulley is increased), the blanking speed of the peripheral belt pulley driving the shaft rod is reduced, the blanking amount is controlled in unit time, and meanwhile, one central belt pulley is connected with a plurality of peripheral belt pulleys, and the peripheral belt pulleys drive aggregate chemical strengthening materials (cement, silica fume and the like), sodium silicate, calcium hydroxide), it is to be noted that the diameters of the plurality of peripheral belt pulleys are individually adjustable, and the corresponding ratio blanking of different materials is realized by changing the diameters of the corresponding plurality of peripheral belt pulleys relative to the central belt pulley.
When the material feeding device is used, in the middle stage of material feeding, after the material feeding is finished, the interior of the central material cylinder starts to feed, building solid waste aggregate is added into the aggregate reinforcing mixing cylinder assembly, in the process, reinforced mortar is uniformly coated on the surface of regenerated aggregate for chemical reinforcement through lifting and tilting stirring of the aggregate reinforcing mixing assembly, when the aggregate reinforcing mixing assembly is used for stirring and mixing materials, the aggregate reinforcing mixing assembly is obliquely inserted into the aggregate reinforcing mixing cylinder assembly, in the actual use, the stirring shaft rod of the aggregate reinforcing mixing assembly is divided into inner and outer double-layer stirring shaft rods, in this way, the stirring is more uniform, meanwhile, the aggregate and the reinforced mortar can be lifted from the bottom to the top while stirring and mixing, in the lifting process, the lifted mortar can be overturned and poured out by the hopper, in the matching of the double-layer stirring structure, namely, the overturned and poured mortar can be fully poured at the double-layer stirring structure, and the overturned mortar can be fully mixed in the double-layer stirring structure through the double-layer stirring structure and the lifting and the overturned mortar in the process, so that the lifted mortar can be fully mixed in the process of the double-layer stirring structure, and the chemical reinforcing and the full mixing performance of the lifting and mixing can be ensured.
When the invention is used, the material barrels in the peripheral material barrels are continuously fed at the last stage of feeding, the material barrels in the peripheral material barrels are stopped to feed, cement, sand, water reducing agent and the like in equal proportion are continuously fed, under the cooperation of the aggregate reinforced mixed component, the aggregate reinforced mixed component is stirred again, so that the recycled concrete which is convenient for the preparation on the construction site is prepared by carrying out chemical reinforced modification on the recycled aggregate for a plurality of times and stirring with the concrete.
Drawings
FIG. 1 is a perspective view of the present invention;
FIG. 2 is an exploded view of the present invention;
FIG. 3 is a perspective view of an aggregate reinforcement blanking assembly of the present invention;
FIG. 4 is an exploded view of a part of the structure of the aggregate reinforcing material discharging assembly of the present invention;
FIG. 5 is a perspective view showing a part of the structure of the aggregate reinforcing material discharging assembly of the present invention;
FIG. 6 is a perspective view of the aggregate reinforcing mixing component of the present invention;
FIG. 7 is a perspective view of an aggregate reinforced mixing drum assembly of the present invention;
in the figure: 100. an aggregate reinforcement blanking component; 101. a central barrel; 102. a peripheral charging barrel; 103. a first fixed end table; 104. a first support arm; 105. a spiral blanking plate; 106. anti-caking stirring rod; 107. an outer shaft cartridge; 108. a shaft pulley; 109. a first bevel gear; 110. an inner shaft; 111. a second bevel gear; 112. driving a bevel gear; 113. a first driving motor; 114. a second driving motor; 115. a reducing wheel; 116. a second linkage shaft; 117. tightly pushing the shaft rod; 118. a variable diameter conveyor belt; 119. a perforated support table; 120. an auxiliary end frame; 121. a belt pushing arm; 122. a U-shaped supporting frame; 123. an arc chute; 124. a first linkage shaft; 125. a shaft spline groove; 126. an electromagnetic coil; 127. a spline clamping block; 128. resetting the slide bar; 129. a return spring; 130. an L-shaped edge support rod; 131. sliding the top platform; 132. a T-shaped sliding block; 133. a variable diameter push arm; 134. a reducing wheel; 135. a diameter-variable toggle rod; 200. an aggregate reinforced mixing assembly; 201. a mixing end arm stage; 202. a hybrid motor; 203. a sun gear; 204. a tri-fork arm; 205. an intermediate gear; 206. a middle stirring rod; 207. a peripheral stirring rod; 208. an inner gear ring; 209. an end shaft; 210. lifting a hopper; 211. a material lifting arm; 212. lifting the material shaft lever; 213. lifting a belt pulley; 214. lifting a material belt; 215. a first auxiliary gear; 216. fixing the belt pulley; 217. a second auxiliary gear; 218. an outer ring gear; 300. an aggregate reinforced mixing drum assembly; 301. an aggregate reinforced mixing drum; 302. a discharge valve; 303. a discharge pipe; 304. supporting the side arms.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-7, the invention provides a chemical strengthening device for building solid waste recycled concrete aggregate, which comprises an aggregate strengthening material blanking component 100, wherein an aggregate strengthening mixing drum component 300 is arranged right below the aggregate strengthening material blanking component 100, a plurality of groups of aggregate strengthening mixing components 200 are arranged between the aggregate strengthening material blanking component 100 and the aggregate strengthening mixing drum component 300, the aggregate strengthening mixing components 200 are obliquely inserted into the aggregate strengthening mixing drum component 300, the aggregate strengthening material blanking component 100 forms a proportioning spiral blanking structure of various aggregate chemical strengthening materials at the top of the aggregate strengthening mixing drum component 300, and the aggregate strengthening mixing component 200 forms an up-down transposition stirring structure and a double-layer stirring mixing structure at the top of the aggregate strengthening mixing drum component 300.
In a preferred embodiment, referring to fig. 3, 4 and 5, the aggregate reinforced material blanking assembly 100 includes a central cylinder 101 and an outer cylinder 102, a first fixed end stage 103 is provided at the top of the central cylinder 101, a first supporting arm 104 is fixedly provided at the top of the first fixed end stage 103, an outer cylinder 107 is rotatably provided at the middle of the first fixed end stage 103, an inner shaft 110 is rotatably provided at the middle of the first supporting arm 104, a second bevel gear 111 and a first bevel gear 109 are respectively provided at the tops of the inner shaft 110 and the outer cylinder 107, a first driving motor 113 and a second driving motor 114 are fixedly provided at the top of the first fixed end stage 103 through a supporting rod, a driving bevel gear 112 on the first driving motor 113 is engaged with the second bevel gear 111, a driving bevel gear 112 on the second driving motor 114 is engaged with the first bevel gear 109, an auxiliary end bracket 120 and a U-shaped supporting frame 122 are provided at the top of the outer cylinder 102, a pushing and a pushing shaft 117 is provided at both sides of the U-shaped supporting frame 122 through a belt pushing arm 121, the top of the auxiliary end frame 120 is provided with a perforated supporting table 119 and a supporting bracket, a shaft pulley 108 is fixedly arranged outside the outer shaft cylinder 107, the auxiliary end frame 120 is rotatably provided with a second linkage shaft lever 116, the top of the second linkage shaft lever 116 and the outer part of the outer shaft cylinder 107 are provided with anti-caking stirring rods 106, the bottoms of the inner shaft lever 110 and the second linkage shaft lever 116 are fixedly provided with spiral blanking plates 105, a first linkage shaft lever 124 is arranged above the second linkage shaft lever 116, the top of the first linkage shaft lever 124 is provided with a shaft lever spline groove 125 and an L-shaped edge supporting rod 130, the top of the second linkage shaft lever 116 is provided with a shaft lever spline groove 125, the inner side of the shaft lever spline groove 125 is provided with an electromagnetic coil 126, the top of the L-shaped edge supporting rod 130 is provided with a sliding top table 131, the inside of the sliding top table 131 is provided with a variable-diameter pushing arm 133 in a sliding way through a T-shaped sliding block 132, the two ends of the variable diameter pushing arm 133 are respectively provided with a variable diameter poking rod 135 and a variable diameter wheel 134, a variable diameter wheel 115 and a motor for driving the variable diameter wheel 115 to rotate are rotatably arranged on a fixed table in the middle of the plurality of sliding top tables 131, an arc-shaped chute 123 is arranged on the variable diameter wheel 115, a reset slide rod 128 is arranged in a sliding penetration manner in the support table 119 with a hole, two ends of the reset slide rod 128 are respectively provided with a spline clamping block 127 and a reset spring 129, and a variable diameter conveying belt 118 is arranged between the shaft barrel belt pulley 108 and the plurality of variable diameter wheels 134 in a winding manner.
In this embodiment, a plurality of outer cylinders 102 are fixedly arranged outside the central cylinder 101, the inner shaft 110 rotates in the outer cylinder 107, the belt pushing arm 121 is an elastic pushing arm, the variable-diameter conveying belt 118 forms a tensioning conveying belt structure through the belt pushing arm 121, the variable-diameter poking rod 135 is inserted into the arc-shaped chute 123, the variable-diameter wheels 134 are driven to synchronously expand or contract inwards through the variable-diameter wheels 115, the variable-diameter conveying belt 118 is wound between the variable-diameter wheels and the shaft pulley 108, a variable-diameter structure is formed between the variable-diameter wheels formed by the variable-diameter wheels 134 and the shaft pulley 108 through the variable-diameter conveying belt 118, and through the cooperation of the structures, the diameter change of the conveying pulley is realized, so that the rotation speed change and the discharging amount change are realized.
In this way, when a certain peripheral feed cylinder 102 is required to perform blanking work, the electromagnetic coil 126 is electrified to generate magnetic force, the magnetic force can attract the spline clamping block 127 to be clamped in the spline groove 125, at the moment, linkage rotation between the first linkage shaft 124 and the second linkage shaft 116 can be realized, when the peripheral feed cylinder 102 is not required to perform blanking work, only the electromagnetic coil 126 is required to be powered off, at the moment, the backward pushing of the return spring 129 is adopted, at the moment, the spline clamping block 127 is pulled out of the spline groove 125, at the moment, the first linkage shaft 124 can be rotated constantly, at the moment, the spline groove 125 on the first linkage shaft 124 can be rotated to find the clamp block 127, at the moment, the linkage clamping block 127 can be clamped in the spline groove 125, at the moment, the linkage clamping block 127 can be easily disconnected, and the other linkage shaft 116 can be conveniently inserted into the spline groove 125 on the second linkage shaft 116, and the spline clamping block 127 can be conveniently inserted into the other linkage shaft 116.
In a preferred embodiment, referring to fig. 6, the aggregate-reinforced mixing assembly 200 includes a mixing end arm stage 201, a mixing motor 202 is disposed at an outer end of the mixing end arm stage 201, a central gear 203 is disposed on an output shaft of the mixing motor 202, an intermediate stirring rod 206 is fixedly disposed on the central gear 203, a tri-fork arm 204 is rotatably disposed on an outer portion of the intermediate stirring rod 206, an intermediate gear 205, a second auxiliary gear 217 and a first auxiliary gear 215 are rotatably disposed on an arm of the tri-fork arm 204, an inner wall and an outer wall of the mixing end arm stage 201 are respectively provided with an inner gear ring 208 and an outer gear ring 218, an intermediate gear 205 is disposed between the central gear 203 and the inner gear ring 208, the intermediate gear 205 is fixed at an end portion of the peripheral stirring rod 207, a distal arm of the tri-fork arm 204 is rotatably disposed with an end shaft 209, a material lifting arm 211 is fixedly disposed at an end portion of the end shaft 209, a material lifting belt 213 and a material lifting hopper 210 are fixedly disposed at two ends of the material lifting shaft 212, a fixed belt 216 is fixedly disposed on an outer wall of the tri-fork arm 204, and a material lifting belt 214 is sleeved between the fixed belt 216 and the material lifting belt 213.
In this embodiment, the two sides of the intermediate gear 205 are respectively meshed with the ring gear 208 and the central gear 203, the peripheral stirring rod 207 is fixedly connected with the intermediate gear 205, the peripheral stirring rod 207 forms a ring motion and autorotation structure around the intermediate stirring rod 206, and a double-layer synchronous rotation stirring structure is formed between the plurality of peripheral stirring rods 207 and the intermediate stirring rod 206 through the cooperation of the structure.
Next, referring to fig. 6 again, two sides of the second auxiliary gear 217 are engaged with the outer gear 218 and the first auxiliary gear 215, the fixed pulley 216 is fixed on the distal arm body of the three-fork arm 204, a through slot for the end shaft 209 to pass through is formed in the center of the fixed pulley 216, the diameter of the fixed pulley 216 is larger than that of the material lifting pulley 213, the material lifting hopper 210 performs annular action around the middle stirring rod 206, the material lifting hopper 210 forms a structure of digging up and down and turning over the material in the aggregate reinforced mixing drum 301 through the cooperation of the fixed pulley 216 and the material lifting pulley 213, a double-layer stirring mixed material structure of inner and outer layers is formed between the middle stirring rod 206 and the plurality of peripheral stirring rods 207, the material lifting arm 211 at the end of the end shaft 209 is driven to rotate by the first auxiliary gear 215 through the cooperation of the fixed pulley 216 and the material lifting pulley 213, at this moment, it is emphasized that, the end support arm of the three fork arm 204 is used as a static reference object, at this time, the fixed belt pulley 216 is fixed relative to the lifting arm 211, when the lifting arm 211 rotates, through the cooperation of the fixed belt pulley 216 and the lifting belt pulley 213, it is emphasized that the fixed belt pulley 216 is larger than the diameter of the lifting belt pulley 213, when the lifting arm 211 rotates around the fixed belt pulley 216, the lifting belt 214 pulls the lifting belt pulley 213, at this time, the lifting hopper 210 forms a self-rotating tipping bucket structure, the three fork arm 204 is matched to drive the lifting hopper 210 to rotate up and down, the lifting hopper 210 can perform self-rotating tipping bucket action when the lifting hopper 210 moves up and down, through the cooperation of the structures, the downward digging of materials in the aggregate reinforced mixing drum assembly 300 is realized, the tipping bucket after lifting up and lifting is poured out, and the double-layer stirring structure is matched in the tipping bucket pouring process, so that the dump bucket can be fully mixed.
In a preferred embodiment, referring to fig. 7, the aggregate reinforcing mixing drum assembly 300 comprises an aggregate reinforcing mixing drum 301, a discharge pipe 303 and a discharge valve 302 are disposed at the bottom of the aggregate reinforcing mixing drum 301, and a supporting side arm 304 is disposed at the outer side of the top of the aggregate reinforcing mixing drum 301.
In this embodiment, the central cylinder 101 and the peripheral cylinder 102 are fixed above the aggregate-reinforcing mixing cylinder 301 by supporting side arms 304, respectively, and the mixing end arm stand 201 is disposed obliquely above the aggregate-reinforcing mixing cylinder 301 by supporting arms, and the intermediate stirring rod 206 and the lift hopper 210 are inserted obliquely inside the aggregate-reinforcing mixing cylinder 301.
A method for chemically strengthening building solid waste recycled concrete aggregate,
the method comprises the following steps: in the preparation stage, building solid waste aggregate is placed in a central charging barrel 101 on the aggregate reinforced material discharging assembly 100, silica fume, sodium silicate, calcium hydroxide, cement and the like are respectively placed in a plurality of peripheral charging barrels 102, and meanwhile, when no material exists, the preparation materials are stored in the plurality of peripheral charging barrels 102 and the central charging barrel 101 through an external conveying belt;
the second method is as follows: in the initial blanking stage, the central feed cylinder 101 does not perform blanking, at the moment, the plurality of second linkage shafts 116 synchronously rotate to realize equal proportion synchronous blanking of aggregate chemical strengthening materials such as cement, silica fume, sodium silicate and calcium hydroxide matched with water added by an external water adding device, at the moment, the aggregate chemical strengthening materials are lifted and stirred up and down in the aggregate strengthening mixing cylinder assembly 300 through the aggregate strengthening mixing assembly 200 to form chemical strengthening mortar for later use;
and a third method: in the middle stage of blanking, blanking is started in the central charging barrel 101, building solid waste aggregate is added into the aggregate reinforcing mixing barrel assembly 300, and in the process, reinforcing mortar is uniformly coated on the surface of the recycled aggregate for chemical reinforcement;
the method four: at the end of the blanking, the corresponding charging barrels in the peripheral charging barrels 102 continue to be blanked, at the moment, the central charging barrel 101 stops blanking, equal proportions of cement, sand, water reducing agent and the like are added, and under the cooperation of the aggregate reinforcing mixing assembly 200, the aggregate reinforcing mixing barrel assembly 300 is stirred again in a billowing manner, so that the recycled concrete which is convenient for preparing in a construction site and is prepared by carrying out chemical reinforcing modification on recycled aggregate for a plurality of times and stirring with the concrete is prepared.
In another embodiment of the present invention, the number of the peripheral barrels 102 may be specifically set according to the practice in order to accommodate the storage and discharging of various aggregate reinforcements.
In another embodiment of the present invention, the aggregate reinforcing mixing component 200 may be rotatably disposed on top of the aggregate reinforcing mixing drum component 300 by means of an air cylinder and an axle, in which the aggregate reinforcing mixing component 200 is obliquely and movably disposed on top of the aggregate reinforcing mixing drum component 300, so that the angle of the aggregate reinforcing mixing component 200 obliquely inserted on top of the aggregate reinforcing mixing drum component 300 may be flexibly adjusted to facilitate the subsequent mixing and stirring.
In another embodiment of the present invention, the inside of the aggregate reinforcing mixing drum assembly 300 may be improved, and small stirring rods are arranged at the side and bottom of the aggregate reinforcing mixing drum assembly 300, and the materials are more uniformly stirred in cooperation with the stirring of the aggregate reinforcing mixing assembly 200.
The working principle of the invention is as follows: when the invention is used, the building solid waste aggregate is placed in the central charging barrel 101 on the aggregate reinforced material discharging component 100, the silica fume, sodium silicate, calcium hydroxide, cement and the like are respectively placed in the plurality of peripheral charging barrels 102, meanwhile, when no material is discharged, the standby material is stored in the plurality of peripheral charging barrels 102 and the central charging barrel 101 through the external conveying belt, when the initial discharging is carried out, the central charging barrel 101 does not discharge, at the moment, the plurality of second linkage shafts 116 synchronously rotate, the equal proportion synchronous discharging of the aggregate chemical reinforced material cement, the silica fume, the sodium silicate and the calcium hydroxide by matching with the external water adding device and water is realized, at the moment, the aggregate chemical reinforced material is lifted and stirred up and down in the aggregate reinforced mixing barrel component 300 through the aggregate reinforced mixing component 200 to form the chemical reinforced mortar for standby, the invention relates to a method for discharging aggregate chemical strengthening materials (cement, silica fume, sodium silicate and calcium hydroxide) through the cooperation of a central belt pulley and a peripheral belt pulley, in particular to the method that the diameter of the central belt pulley is unchanged, the diameter of the peripheral belt pulley is variable, and the specific principle is that a conveying belt is wound between the central belt pulley and the peripheral belt pulley, when the diameter of the peripheral belt pulley is increased, the transmission ratio between the central belt pulley and the peripheral belt pulley is changed, namely the rotation speed of a corresponding shaft rod is changed, in this way, the rotation speed-changed spiral rotation discharging is realized, the rotation speed of the central belt pulley is taken as a reference, when the rotation speed of the peripheral belt pulley is reduced (when the diameter of the peripheral belt pulley is increased), the discharging speed of the peripheral belt pulley driving the shaft rod is slow, the discharging amount is controlled in unit time, meanwhile, one central belt pulley is connected with a plurality of peripheral belt pulleys, and the peripheral belt pulleys drive the aggregate chemical strengthening materials (cement), silica fume, sodium silicate and calcium hydroxide), the diameters of the peripheral belt pulleys are respectively and independently adjustable, and the corresponding ratio blanking of different materials is realized by changing the diameters of the peripheral belt pulleys relative to the central belt pulley.
In the middle stage of blanking, after the blanking is finished, the inside of the central charging barrel 101 starts to be blanked, building solid waste aggregates are added into the aggregate reinforcing mixing barrel assembly 300, in the process, reinforced mortar is uniformly coated on the surface of recycled aggregates for chemical reinforcing through lifting and tilting stirring of the aggregate reinforcing mixing assembly 200, the aggregate reinforcing mixing assembly 200 is obliquely inserted into the aggregate reinforcing mixing barrel assembly 300 when the aggregate reinforcing mixing assembly 200 is stirred and mixed, and in the actual use, the stirring shaft rod of the aggregate reinforcing mixing assembly 200 is divided into inner and outer double-layer stirring shaft rods, so that stirring is more uniform, meanwhile, the aggregates and reinforced mortar are lifted to the top from the bottom when stirring and mixing, in the lifting process, the lifted aggregates can be overturned and poured out by matching with the double-layer stirring structure, namely the overturned and poured aggregates can be fully overturned at the double-layer stirring structure, and in the process of pouring materials, the overturned aggregates can be fully mixed through the double-layer stirring structure and the lifting and overturned stirring structure, so that the chemical reinforcing and mixing performance can be fully and fully improved for multiple times when the materials are overturned.
When the invention is used, the blanking end stage is carried out, the blanking is carried out continuously corresponding to the charging barrels in the peripheral charging barrels 102, the blanking is stopped by the central charging barrel 101, the equal proportion of cement, sand, water reducing agent and the like are continuously added, under the cooperation of the aggregate reinforcing mixing assembly 200, the inside of the aggregate reinforcing mixing barrel assembly 300 is stirred again, the recycled concrete which is convenient for the preparation on the construction site is prepared by carrying out chemical reinforcing modification on the recycled aggregate for a plurality of times and stirring with the concrete.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. The utility model provides a building solid waste recycled concrete aggregate chemical strengthening device, includes aggregate reinforcement material unloading subassembly (100), its characterized in that: the automatic feeding and discharging device is characterized in that an aggregate reinforced material discharging assembly (100) is arranged right below the aggregate reinforced material discharging assembly (300), a plurality of groups of aggregate reinforced material mixing assemblies (200) are arranged between the aggregate reinforced material discharging assembly (100) and the aggregate reinforced material mixing assembly (300), the aggregate reinforced material mixing assemblies (200) are obliquely inserted into the aggregate reinforced material mixing assembly (300), the aggregate reinforced material discharging assembly (100) forms a proportioning spiral discharging structure of various aggregate chemical reinforced materials at the top of the aggregate reinforced material mixing assembly (300), and the aggregate reinforced material mixing assembly (200) forms an up-down transposition material turning and double-layer stirring material mixing structure at the top of the aggregate reinforced material mixing assembly (300).
2. The chemical strengthening device for building solid waste recycled concrete aggregate according to claim 1, wherein: the aggregate reinforced material blanking assembly (100) comprises a central charging barrel (101) and a peripheral charging barrel (102), a first fixed end table (103) is arranged at the top of the central charging barrel (101), a first supporting arm (104) is fixedly arranged at the top of the first fixed end table (103), an outer shaft barrel (107) is rotatably arranged in the middle of the first fixed end table (103), an inner shaft rod (110) is rotatably arranged in the middle of the first supporting arm (104), a second bevel gear (111) and a first bevel gear (109) are respectively arranged at the tops of the inner shaft rod (110) and the outer shaft barrel (107), a first driving motor (113) and a second driving motor (114) are fixedly arranged at the top of the first fixed end table (103) through supporting rods, a driving bevel gear (112) on the first driving motor (113) is meshed with the second bevel gear (111), an auxiliary end bracket (120) and a U-shaped supporting frame (109) are arranged at the top of the middle of the first supporting arm (104), pushing belt supporting frames (122) are respectively provided with pushing belt supporting holes (122) on two sides of the supporting frames (122), the utility model discloses a diameter-changing wheel drive device is characterized in that an outer shaft barrel (107) is externally and fixedly provided with a shaft barrel belt pulley (108), an auxiliary end frame (120) is rotationally provided with a second linkage shaft lever (116), an anti-caking stirring rod (106) is externally arranged at the top of the second linkage shaft lever (116) and the outer shaft barrel (107), a spiral blanking plate (105) is fixedly arranged at the bottom of the inner shaft lever (110) and the bottom of the second linkage shaft lever (116), a first linkage shaft lever (124) is arranged above the second linkage shaft lever (116), the top of the first linkage shaft lever (124) is provided with a shaft lever spline groove (125) and an L-shaped edge supporting rod (130), the top of the second linkage shaft lever (116) is provided with a shaft lever spline groove (125), an electromagnetic coil (126) is arranged at the inner side of the shaft lever spline groove (125), a sliding top table (131) is arranged at the top of the L-shaped edge supporting rod (130), a diameter-changing push arm (133) is fixedly arranged at the bottom of the inner shaft lever (110) through a T-shaped sliding block (132), two ends of the diameter-changing arm (116) are respectively provided with a shaft lever spline (125) and a plurality of arc-shaped rotating tables (115), a plurality of diameter-changing wheel drive wheels (115) are respectively arranged at the diameter-changing wheel drive device, a diameter-changing wheel drive device is provided with a plurality of arc-shaped rotating tables (115), a reset slide bar (128) is arranged in the support table (119) with the holes in a sliding manner, spline clamping blocks (127) and reset springs (129) are respectively arranged at two ends of the reset slide bar (128), and a reducing conveyor belt (118) is wound between the shaft barrel belt pulley (108) and the plurality of reducing wheels (134);
the aggregate reinforced mixing assembly (200) comprises a mixing end arm table (201), a mixing motor (202) is arranged at the outer end of the mixing end arm table (201), a central gear (203) is arranged on an output shaft of the mixing motor (202), an intermediate stirring rod (206) is fixedly arranged on the central gear (203), a three-fork arm (204) is rotatably arranged outside the intermediate stirring rod (206), an intermediate gear (205), a second auxiliary gear (217) and a first auxiliary gear (215) are rotatably arranged on a three-fork arm (204) support arm, an inner wall and an outer wall of the mixing end arm table (201) are respectively provided with an inner gear ring (208) and an outer gear ring (218), an intermediate gear (205) is arranged between the central gear (203) and the inner gear ring (208), the intermediate gear (205) is fixed at the end part of the peripheral stirring rod (207), an end shaft lever (209) is fixedly arranged at one end of the three-fork arm (211), a lifting arm (212) is rotatably arranged at the far end, a lifting belt pulley (212) is rotatably arranged at the far end of the three-fork arm (204), a lifting belt pulley (212) is fixedly arranged at the two ends of the lifting belt pulley (212), a lifting belt pulley (216) is fixedly arranged at the two ends of the lifting belt pulley (212), a material lifting belt (214) is sleeved between the fixed belt pulley (216) and the material lifting belt pulley (213);
the aggregate reinforcing mixing drum assembly (300) comprises an aggregate reinforcing mixing drum (301), a discharging pipe (303) and a discharging valve (302) are arranged at the bottom of the aggregate reinforcing mixing drum (301), and a supporting side arm (304) is arranged at the outer side of the top of the aggregate reinforcing mixing drum (301).
3. The chemical strengthening device for building solid waste recycled concrete aggregate according to claim 2, wherein: the two sides of the intermediate gear (205) are respectively meshed with the annular gear (208) and the central gear (203), the peripheral stirring rod (207) is fixedly connected with the intermediate gear (205), and the peripheral stirring rod (207) forms a circular motion and autorotation structure around the intermediate stirring rod (206).
4. The chemical strengthening device for building solid waste recycled concrete aggregate according to claim 2, wherein: the two sides of the second auxiliary gear (217) are meshed with the outer gear (218) and the first auxiliary gear (215), the fixed belt pulley (216) is fixed on the far-end arm body of the three-fork arm (204), a through groove for the end shaft lever (209) to penetrate is formed in the center of the fixed belt pulley (216), and the diameter of the fixed belt pulley (216) is larger than that of the material lifting belt pulley (213).
5. The chemical strengthening device for building solid waste recycled concrete aggregate according to claim 2, wherein: the lifting hopper (210) performs annular action around the middle stirring rod (206), the lifting hopper (210) forms a structure of digging up and down and turning over the discharging in the aggregate reinforced mixing cylinder (301) through the cooperation of the fixed belt pulley (216) and the lifting belt pulley (213), and a double-layer stirring mixture structure of the inner layer and the outer layer is formed between the middle stirring rod (206) and the plurality of peripheral stirring rods (207).
6. The chemical strengthening device for building solid waste recycled concrete aggregate according to claim 2, wherein: the center feed cylinder (101) is externally fixedly provided with a plurality of peripheral feed cylinders (102), the inner shaft rod (110) rotates in the outer shaft cylinder (107), the belt pushing arm (121) is an elastic pushing arm, and the reducing conveyor belt (118) forms a tensioning conveyor belt structure through the belt pushing arm (121).
7. The chemical strengthening device for building solid waste recycled concrete aggregate according to claim 2, wherein: the diameter-variable toggle rod (135) is inserted into the arc-shaped chute (123), and a plurality of diameter-variable wheels (134) are driven to synchronously expand or contract inwards through the diameter-variable wheels (115), so that a plurality of diameter-variable wheels (134) form a diameter-variable wheel structure, the diameter-variable conveying belt (118) is wound between the diameter-variable wheels and the shaft barrel belt pulley (108), and a plurality of diameter-variable wheels formed by the diameter-variable wheels (134) and the shaft barrel belt pulley (108) form a speed-variable structure through the diameter-variable conveying belt (118).
8. The chemical strengthening device for building solid waste recycled concrete aggregate according to claim 2, wherein: the spline clamping blocks (127) are clamped in shaft rod spline grooves (125) on the first linkage shaft rod (124) and the second linkage shaft rod (116), the electromagnetic coils (126) after being electrified form attractive force on the spline clamping blocks (127), and in an initial state, the spline clamping blocks (127) are pulled out of the shaft rod spline grooves (125) through backward pushing of the reset springs (129).
9. The chemical strengthening device for building solid waste recycled concrete aggregate according to claim 2, wherein: the central charging barrel (101) and the peripheral charging barrel (102) are respectively fixed above the aggregate reinforcing mixing barrel (301) through supporting side arms (304), the mixing end arm table (201) is obliquely arranged above the aggregate reinforcing mixing barrel (301) through supporting arms, and the middle stirring rod (206) and the lifting hopper (210) are obliquely inserted into the aggregate reinforcing mixing barrel (301).
10. A method for chemically strengthening building solid waste recycled concrete aggregate is characterized by comprising the following steps:
the method comprises the following steps: in the preparation stage, building solid waste aggregate is placed in a central charging barrel (101) on an aggregate reinforced material discharging assembly (100), silica fume, sodium silicate, calcium hydroxide, cement and the like are respectively placed in a plurality of peripheral charging barrels (102), and meanwhile, when no material exists, the standby material is stored in the plurality of peripheral charging barrels (102) and the central charging barrel (101) through an external conveying belt;
the second method is as follows: in the initial blanking stage, the central charging barrel (101) does not perform blanking, at the moment, the plurality of second linkage shafts (116) synchronously rotate, so that equal proportion synchronous blanking of aggregate chemical strengthening materials (cement, silica fume, sodium silicate and calcium hydroxide are matched with an external water adding device for adding water) is realized, at the moment, the aggregate chemical strengthening materials are lifted and stirred up and down in the aggregate strengthening mixing barrel assembly (300) through the aggregate strengthening mixing assembly (200), and chemical strengthening mortar is formed for standby;
and a third method: in the middle stage of blanking, blanking is started in the central feed cylinder (101), building solid waste aggregate is added into the aggregate reinforcing mixing cylinder assembly (300), and in the process, reinforcing mortar is uniformly coated on the surface of the recycled aggregate for chemical reinforcement;
the method four: and at the end of the blanking, the corresponding charging barrels in the peripheral charging barrels (102) continue to be blanked, at the moment, the central charging barrel (101) stops blanking, equal proportions of cement, sand, water reducing agent and the like are added, and under the cooperation of the aggregate reinforcing mixing assembly (200), the aggregate reinforcing mixing barrel assembly (300) is stirred again in a billowing manner, so that the recycled concrete which is convenient for preparing on the construction site and is prepared by carrying out chemical reinforcing modification on the recycled aggregate for a plurality of times and stirring with the concrete is prepared.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410086370.5A CN117720295A (en) | 2024-01-21 | 2024-01-21 | Chemical strengthening method and device for building solid waste recycled concrete aggregate |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410086370.5A CN117720295A (en) | 2024-01-21 | 2024-01-21 | Chemical strengthening method and device for building solid waste recycled concrete aggregate |
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| CN117720295A true CN117720295A (en) | 2024-03-19 |
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| CN202410086370.5A Pending CN117720295A (en) | 2024-01-21 | 2024-01-21 | Chemical strengthening method and device for building solid waste recycled concrete aggregate |
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| CN111111853A (en) * | 2019-12-28 | 2020-05-08 | 安徽省海仁材料科技有限公司 | Recycled concrete screening plant |
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