CN110845166B - Device for soaking recycled aggregate - Google Patents
Device for soaking recycled aggregate Download PDFInfo
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- CN110845166B CN110845166B CN201911287274.2A CN201911287274A CN110845166B CN 110845166 B CN110845166 B CN 110845166B CN 201911287274 A CN201911287274 A CN 201911287274A CN 110845166 B CN110845166 B CN 110845166B
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- bin
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- 238000002791 soaking Methods 0.000 title claims abstract description 120
- 239000007788 liquid Substances 0.000 claims abstract description 40
- 238000001514 detection method Methods 0.000 claims description 20
- 238000007599 discharging Methods 0.000 claims description 19
- 238000004140 cleaning Methods 0.000 claims description 5
- 238000012806 monitoring device Methods 0.000 claims description 5
- 238000003860 storage Methods 0.000 claims description 4
- 239000011148 porous material Substances 0.000 abstract description 8
- 239000002699 waste material Substances 0.000 abstract description 6
- 230000000051 modifying effect Effects 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 abstract description 3
- 230000003014 reinforcing effect Effects 0.000 abstract description 3
- 239000004744 fabric Substances 0.000 description 8
- 238000000034 method Methods 0.000 description 7
- 238000010276 construction Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 5
- 230000009471 action Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000036541 health Effects 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 239000012466 permeate Substances 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 238000011049 filling Methods 0.000 description 2
- 238000011068 loading method Methods 0.000 description 2
- 230000008929 regeneration Effects 0.000 description 2
- 238000011069 regeneration method Methods 0.000 description 2
- 230000002441 reversible effect Effects 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 235000019353 potassium silicate Nutrition 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- WJCNZQLZVWNLKY-UHFFFAOYSA-N thiabendazole Chemical compound S1C=NC(C=2NC3=CC=CC=C3N=2)=C1 WJCNZQLZVWNLKY-UHFFFAOYSA-N 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 238000004078 waterproofing Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B20/00—Use of materials as fillers for mortars, concrete or artificial stone according to more than one of groups C04B14/00 - C04B18/00 and characterised by shape or grain distribution; Treatment of materials according to more than one of the groups C04B14/00 - C04B18/00 specially adapted to enhance their filling properties in mortars, concrete or artificial stone; Expanding or defibrillating materials
- C04B20/10—Coating or impregnating
-
- 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
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The invention discloses a device for soaking recycled aggregate, which comprises a low-pressure soaking bin, wherein an inlet of the low-pressure soaking bin is communicated with a feed chute, an outlet of the low-pressure soaking bin is communicated with a discharge chute, the low-pressure soaking bin is communicated with a low-pressure generating device, a screen type rotary drum is arranged in the low-pressure soaking bin, aggregate soaking solutions are arranged in the low-pressure soaking bin, the feed chute and the discharge chute, conveyor belts are arranged in the feed chute and the discharge chute, a feeding end of each conveyor belt is positioned below the liquid level of the aggregate soaking solution, and a blanking end of each conveyor belt is positioned below the liquid level of the aggregate soaking solution; the screen type rotary cylinder is rotationally connected with the low-pressure soaking bin, and spiral blades are arranged on the inner side of the screen type rotary cylinder; the invention can make the solution penetrate into or fill the gaps and cracks of the aggregate pores to a greater extent, quicken the soaking speed and efficiency, better exert the modifying and reinforcing effects of the aggregate soaking solution on the recycled aggregate, promote the modifying stability and quality of the recycled aggregate, and is beneficial to realizing resource conservation and waste utilization.
Description
Technical Field
The invention belongs to the field of modification of building waste recycled aggregate, and particularly relates to a device for soaking recycled aggregate.
Background
In order to solve the practical problems of current resource shortage and environmental protection, the recycling of the construction waste is urgent, and the quality of the recycled aggregate is seriously affected by cracks and pores on the surface of the recycled aggregate of the construction waste, so that the strength of the recycled aggregate is lower, the water absorption rate is higher, and the large-scale application of the recycled aggregate is further limited, therefore, the research on a method for reinforcing and modifying the recycled aggregate becomes a hot spot in the industry, and the method for soaking and reinforcing the aggregate soaking solution utilizes the principle that the solution permeates or fills weak pores and cracks to seal the cracks of the pores to form the strength and reduce the water absorption rate, so that the method is economical and feasible, has considerable effects, has good application prospect, and is represented by water glass solution, organosilicon waterproofing agent and the like. The existing construction waste recycled aggregate soaking treatment process is mostly soaking treatment under static normal pressure, in the method, chemical solution is limited in degree of penetrating into aggregate or filling gaps due to viscosity of the chemical solution, the potential of modification of the aggregate soaking solution cannot be fully exerted, the soaking time is long, the efficiency is low, and large-scale application is difficult.
Disclosure of Invention
The invention aims to provide a device for soaking recycled aggregate, so that the recycled aggregate penetrates or fills gaps of aggregate pores to a greater extent under the impact action of the recycled aggregate and solution components in a rotating dynamic state and under a low-pressure environment, the soaking speed and efficiency are accelerated, the treatment time is saved, meanwhile, the automatic soaking equipment is used for treating the aggregate to simplify the soaking operation flow, the manpower, material resources and financial resources are saved, the stability and quality of the recycled aggregate modification are improved, and the application degree and quality level of construction waste are further improved.
In order to achieve the above purpose, the technical scheme adopted by the invention is as follows: the device for immersing the recycled aggregate comprises a low-pressure immersing bin, wherein an inlet of the low-pressure immersing bin is communicated with a feed chute, an outlet of the low-pressure immersing bin is communicated with a discharge chute, the low-pressure immersing bin is communicated with a low-pressure generating device, a screen type rotary drum is arranged in the low-pressure immersing bin, aggregate immersing solutions are arranged in the low-pressure immersing bin, the feed chute and the discharge chute, conveyor belts are arranged in the feed chute and the discharge chute, a feeding end of each conveyor belt is positioned below the liquid level of the aggregate immersing solution, and a blanking end of each conveyor belt is positioned below the liquid level of the aggregate immersing solution; the screen type rotary cylinder is rotationally connected with the low-pressure soaking bin, and spiral blades are arranged on the inner side of the screen type rotary cylinder.
The conveyer belt is screen cloth conveyer belt, is provided with transverse baffle on the conveyer belt.
The two ends of the screen type rotary drum are provided with a rotary drum inlet and a rotary drum outlet, and the two ends of the screen type rotary drum are rotationally connected with the low-pressure soaking bin at the inlet and the outlet of the low-pressure soaking bin.
The side wall of the screen type rotary drum is provided with at least two groups of gears and annular racks which are meshed with each other, the top of the low-pressure soaking bin is provided with a driving motor, the annular racks are connected with the screen type rotary drum, and the gears are coaxially connected with an output shaft of the driving motor.
The aggregate inlet is formed in the feed chute, a vibration feeding conveyor belt is arranged at the aggregate inlet, a liquid level detection device is arranged in the feed chute, and the aggregate inlet of the feed chute is also communicated with the solution storage barrel.
The bottom surface of the feed chute is an inclined plane, a feed conveyor belt is arranged in the feed chute, and the feeding end of the feed conveyor belt is positioned below the aggregate inlet.
The bottom surface of blown down tank is the inclined plane, sets up ejection of compact conveyer belt in the blown down tank, and the material loading end of ejection of compact conveyer belt is located low pressure and soaks storehouse export below, and the blown down tank passes through pipeline intercommunication solution reserve bucket, is provided with liquid level detection device in the blown down tank.
The liquid level in the low-pressure soaking bin is lower than the liquid level in the feeding groove, and the liquid level in the discharging groove is lower than the liquid level in the low-pressure soaking bin.
The low pressure generating device adopts a vacuum pump, and the top of the low pressure soaking bin is provided with a pressure monitoring device.
The bottom of the low-pressure soaking bin is provided with a cleaning port.
Compared with the prior art, the invention has at least the following beneficial effects: the recycled aggregate is pre-soaked in the feed chute, the aggregate soaking solution is attached to the surface of the recycled aggregate, the recycled aggregate enters the feed chute through the discrete action of the conveyor belt, the potential crowded blocking condition of feeding is avoided, the recycled aggregate is conveyed to the screen type rotary drum through the conveyor belt, the aggregate is more beneficial to the infiltration of the aggregate soaking solution into cracks or pores of the recycled aggregate in a dynamic rotation mode under a low pressure environment, so that the filling sealing action is achieved, the modifying capability of the recycled aggregate by the aggregate soaking solution is better exerted, the dynamic soaking treatment of the recycled aggregate is carried out when the screen type rotary drum rotates positively, the recycled aggregate is reversely rotated, and is delivered out of the bin to enter the outlet solution tank, and the recycled aggregate is conveyed out through the conveyor belt for health maintenance.
Further, the transverse baffle plates are arranged on the conveyor belt, so that the conveying efficiency is improved.
Further, the dynamic soaking time is controllable, the low pressure value is controllable, the solution level is controllable, the regenerated aggregate with different defect degrees is conveniently soaked, the soaking quality is stable and uniform, and the soaking efficiency is improved.
Further, the lateral wall of screen cloth formula rotary drum sets up at least two sets of intermeshing's gear and annular rack, and the top in low pressure soaking storehouse sets up driving motor, and annular rack is connected with screen cloth formula rotary drum, and gear and driving motor's output shaft coaxial coupling is driven from the side of screen cloth formula rotary drum, and required driving force is little, and actuating mechanism is difficult for receiving the pollution of soak moreover.
Further, the bottom surface of the feed chute is an inclined surface, a feed conveyor belt is arranged in the feed chute, and the feeding end of the feed conveyor belt is positioned below the aggregate inlet; the inclined plane design is adopted to save space and the soaking liquid in the feed chute.
Further, the bottom of the low-pressure soaking bin is provided with a cleaning port, and sundries accumulated in long-term work of the low-pressure soaking bin can be removed from the cleaning port.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic illustration of a vibratory feed conveyor belt of the present invention;
FIG. 3 is a schematic view of a screen type infeed/outfeed conveyor belt of the present invention;
FIG. 4 is a detailed view of the construction of the feed chute of the present invention;
FIG. 5 is a detailed view of the outlet solution tank structure of the present invention;
FIG. 6 is a schematic view of a low pressure steeping bin in accordance with the present invention;
FIG. 7 is a schematic view of a screen-type rotary drum of the present invention;
FIG. 8 is a detail view of the rotation of the screen-type rotary drum of the present invention;
FIG. 9 is a detailed view of the aggregate of the present invention advancing in a screen-type rotary drum;
fig. 10 is a circuit diagram of a power motor of the present invention;
FIG. 11 is a circuit diagram of a solution detection and supply device according to the present invention;
FIG. 12 is a circuit diagram of a low pressure detection and production device according to the present invention.
Wherein, 1 is vibration feed conveyer belt, 2 is vibrating motor, 3 is the feed chute, 4 is aggregate slide, 5 is screen cloth formula feed conveyer belt, 6 is the screen cloth, 7 is conveyer belt protruding baffle, 8 is liquid level detection device, 9 is aggregate soaking solution supply equipment, 10 is solution reserve bucket, 11 is the pipeline, 12 is screen cloth formula rotary drum, 13 is low pressure soaking storehouse, 14 is pressure monitoring device, 15 is low pressure generating device, 16 export solution groove, 17 is screen cloth formula ejection of compact conveyer belt, 18 is rotary drum entry, 19 is rotary drum export, 20 is driving motor, 21 is the gear, 22 is inside helical guide vane.
Detailed Description
The invention is described in further detail below with reference to the attached drawing figures:
in the description of the present invention, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are based on directions or positional relationships shown in the drawings, are merely for convenience of description and simplification of description, and do not indicate or imply that the apparatus or element to be referred to must have a specific direction, be constructed and operated in the specific direction, and thus should not be construed as limiting the present invention; furthermore, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixed or removable, for example; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
Referring to fig. 1, 4, 5 and 7, a device for soaking recycled aggregate comprises a low-pressure soaking bin 13, wherein an inlet of the low-pressure soaking bin 13 is communicated with a feed chute 3, an outlet of the low-pressure soaking bin 13 is communicated with a discharge chute 16, the low-pressure soaking bin 13 is communicated with a low-pressure generating device 15, a screen type rotary drum 12 is arranged in the low-pressure soaking bin 13, aggregate soaking solutions are arranged in the low-pressure soaking bin 13, the feed chute 3 and the discharge chute 16, conveyor belts are arranged in the feed chute 3 and the discharge chute 16, a feeding end of each conveyor belt is positioned below the level of the aggregate soaking solution, and a blanking end of each conveyor belt is positioned below the level of the aggregate soaking solution; the screen type rotary drum 12 is rotatably connected with the low-pressure soaking bin 13, and spiral blades are arranged on the inner side of the screen type rotary drum 12.
The conveyer belts are all screen conveyer belts, and transverse baffles 7 are arranged on the conveyer belts.
The two ends of the screen type rotary drum 12 are provided with a drum inlet 18 and a drum outlet 19, and the two ends of the screen type rotary drum 12 are rotatably connected with the low-pressure soaking bin 13 at the inlet and the outlet of the low-pressure soaking bin 13; the side wall of the screen type rotary cylinder 12 is provided with at least two groups of gears and annular racks which are meshed with each other, the top of the low-pressure soaking bin 13 is provided with a driving motor 20, the annular racks are connected with the screen type rotary cylinder 12, and the gears 21 are coaxially connected with an output shaft of the driving motor 20.
Aggregate entry is offered to feed chute 3, and aggregate entry department is provided with vibration feed conveyer belt 1, is provided with liquid level detection device 8 in the feed chute 3, and the aggregate entry of feed chute 3 still communicates solution reserve tank 10, and the bottom surface of feed chute 3 is the inclined plane, sets up feeding conveyer belt 5 in the feed chute 3, and the material loading end of feeding conveyer belt 5 is located the below of aggregate entry.
The bottom surface of the discharging chute 16 is an inclined surface, a discharging conveyor belt 17 is arranged in the discharging chute 16, the feeding end of the discharging conveyor belt 17 is positioned below the outlet of the low-pressure soaking bin 13, the discharging chute 16 is communicated with the solution storage barrel 10 through a pipeline, and a liquid level detection device 8 is arranged in the discharging chute 16; the liquid level in the low pressure soaking bin 1 is lower than the liquid level in the feed chute 3, and the liquid level in the discharge chute 16 is lower than the liquid level in the low pressure soaking bin 1.
The low pressure generating device 15 adopts a vacuum pump, and the top of the low pressure soaking bin 1 is provided with a pressure monitoring device 14.
The bottom of the low-pressure soaking bin 1 is provided with a cleaning port.
There is vibration feed conveyer belt on feed chute 3 right side, has vibrating device under the vibration feed conveyer belt, can make the conveying produce vibration effect, and regeneration aggregate is scattered through vibration feed conveyer belt vibration effect and is opened, takes place to block up when avoiding the feeding, and the regeneration aggregate that breaks away falls into feed chute 3.
As shown in fig. 4, an aggregate sliding plate is arranged in the feeding tank 3, an included angle alpha is formed between the aggregate sliding plate and the vertical direction, the aggregate sliding plate helps recycled aggregate to smoothly fall into the screen type feeding conveyor belt, the feeding tank 3 is filled with aggregate soaking solution, the solution liquid level can be changed along with the pressure difference between the inside and the outside of the soaking tank, the pressure inside the soaking tank is blocked, the low pressure inside the low pressure soaking tank is prevented from being interfered by the outside pressure, in the feeding tank 3, a liquid level detection device is arranged at the end of the soaking tank, the liquid level of the aggregate soaking solution in the feeding tank 3 is detected, the feeding tank 3 is further ensured to block the pressure inside and outside the soaking tank, an aggregate soaking solution supply device 9 is arranged at the bottom of the feeding tank and is connected with the liquid level detection device, and a solution supply circuit is connected when the liquid level is detected to be lower than a detection value, so that the solution is replenished, a small pipe is arranged at the top at the right end of the feeding tank 3, and the solution can flow back to a solution reserve tank from the small pipe, and the screen type feeding conveyor belt is arranged in the feeding tank 3, so that the fallen recycled aggregate is conveyed to the screen type rotary drum 12.
Referring to fig. 3, the screen type feeding conveyor belt body is of a mesh screen structure so that the feeding conveyor belt can carry out conveying operation in the aggregate soaking solution of the feeding chute 3, the solution is prevented from being brought into the low-pressure soaking bin, the screen type feeding conveyor belt is provided with convex baffles with proper intervals for receiving recycled aggregate, and the recycled aggregate is prevented from sliding down into the feeding chute 3 and smoothly entering the screen type rotary drum 12.
The screen type rotary drum 12 rotates in a low-pressure soaking bin, aggregate soaking solution is arranged in the low-pressure soaking bin, rotating regenerated aggregate is impacted with the solution in the solution to permeate into cracks or pores, when the rotating regenerated aggregate jumps out of the solution level and is in a low-pressure environment of the soaking bin, regenerated aggregate surface solution permeates into the cracks or pores through the low-pressure adsorption, when the screen type rotary drum 12 rotates forwards, the aggregate is dynamically soaked in a rotating mode along with the screen type rotary drum 12, when the screen type rotary drum 12 rotates reversely, the aggregate is discharged into a discharging groove 16, pressure detection equipment is arranged at the top of the soaking bin and used for detecting the pressure in the bin, and when the pressure does not meet a test requirement value, low-pressure equipment can be connected, and the pressure in the bin is reduced. The soaking bin is provided with a liquid level detection device for detecting the liquid level of the aggregate soaking solution in the soaking bin, when the liquid level of the solution is detected to be lower than a detection value, a solution supply circuit can be connected so as to supplement the solution,
the discharging groove 16 is provided with an aggregate soaking solution, and has the same function as the feeding groove 3 to separate the pressure intensity inside and outside the soaking bin, and the discharging groove 16 is internally provided with a screen type discharging conveyor belt to transfer the fallen regenerated aggregate subjected to the soaking treatment for health maintenance. The screen type discharging conveyor belt has the same structure as the feeding conveyor belt.
Referring to fig. 1, the device for dynamically soaking recycled aggregate by low-pressure rotation comprises a vibration feeding conveyor belt 1 at the rightmost side of a low-pressure soaking bin 13, a vibration motor 2 under the feeding conveyor belt 1 to enable the conveyor belt to vibrate slightly, the vibration feeding conveyor belt 1 conveys aggregate to the left side, a feeding groove 3 is connected with the low-pressure soaking bin 13 and a discharging groove 16 into a whole, and chemical soaking solutions are filled in the two grooves to ensure that the pressure in the low-pressure soaking bin 13 is not influenced by the outside.
Referring to fig. 2 and 3, the feeding chute 3 is shown on the right side of the low pressure soaking bin 13, referring to fig. 1, the right end of the feeding chute 3 is provided with an aggregate sliding plate 4 which forms an angle alpha with the vertical direction, the angle alpha is 30-45 degrees, the size of the angle alpha is used for assisting regenerated aggregate to slide off smoothly as above a screen type feeding conveyor belt 5 in the chute, the conveyor belt body of the screen type feeding conveyor belt 5 is a screen 6, the size of the screen mesh 6 is smaller than that of the regenerated aggregate, the protruding baffle 7 is rectangular, the aggregate which is used for receiving the falling is arranged at certain intervals, referring to fig. 3, the feeding chute 3 is provided with a liquid level detection device 8, and when the liquid level is lower than the liquid level, the detection device 8 is connected with a solution supply device 9.
As an alternative to the invention, the detection means 8 employs a level gauge; the pressure monitoring device 14 employs a testo 510 barometer or employs a barometer.
Referring to fig. 6, the screen type rotary drum 12 in the low pressure soaking bin 13 is driven by the driving motor 20 to rotate, the driving motor 20 is provided with a gear 21 to transmit rotation power to the screen type rotary drum 12, and the screen type rotary drum 12 can be driven to rotate in the forward direction or the reverse direction by referring to fig. 10 for a circuit diagram of the driving motor 20. The low-pressure soaking bin 13 is internally provided with a liquid level detection device 8, and the solution supply equipment 9 is a water pump and can extract solution; the low pressure detecting device 14 is arranged at the top of the bin, the low pressure generating device 15 is an air extracting device, and the low pressure generating device 15 can be started timely according to the detected low pressure value to reduce the pressure in the bin.
Referring to fig. 8, an inner spiral guide vane 22 is arranged on the inner wall of the screen type rotary drum 12, the inner spiral guide vane 22 is in principle the same as a stirring tank, an included angle is formed between the arrangement direction and the axial direction along the axial direction of the screen type rotary drum 12, when the rotary bin 12 rotates in the direction as shown in the figure, aggregate is guided to advance in the rotary bin 12 by the inner spiral guide vane 22, and gradually reaches the outlet of the rotary bin 12 from the inlet of the rotary bin 12, and the aggregate advancing direction principle is shown in reference to fig. 9.
Referring to fig. 5, the spout 16 is shown to the left of the low pressure steeping bin 13 with reference to fig. 1. Its function is the same as that of feed chute 3, with the aim of delivering the treated recycled aggregate.
The specific operation process of the invention is as follows:
referring to fig. 11, the motor 20 of the screen type rotary drum 12 is turned on to rotate forward, aggregates enter the screen type rotary drum 12 with a conveyor belt, dynamic soaking treatment is performed in a low-pressure environment, the soaking time reaches a preset value, the switch is adjusted to a reverse position, the motor rotates reversely, and the aggregates flow out from a bin outlet to perform health maintenance. And (3) observing a solution liquid level detection display result in the process, if the solution liquid level is lower than a preset value, opening a switch of a solution supply device to supply the solution, and similarly, observing a low pressure display result in the bin, and when the pressure is not the preset value, opening the switch of the low pressure device, and waiting until the value reaches the preset value, and closing the switch.
Claims (6)
1. The device for soaking the recycled aggregate is characterized by comprising a low-pressure soaking bin (13), wherein an inlet of the low-pressure soaking bin (13) is communicated with a feed chute (3), an outlet of the low-pressure soaking bin (13) is communicated with a discharge chute (16), the low-pressure soaking bin (13) is communicated with a low-pressure generating device (15), a screen type rotary drum (12) is arranged in the low-pressure soaking bin (13), aggregate soaking solutions are arranged in the low-pressure soaking bin (13), the feed chute (3) and the discharge chute (16), conveyor belts are arranged in the feed chute (3) and the discharge chute (16), a feeding end of each conveyor belt is positioned below the liquid level of the aggregate soaking solution, and a blanking end of each conveyor belt is positioned below the liquid level of the aggregate soaking solution; the screen type rotary drum (12) is rotationally connected with the low-pressure soaking bin (13), and spiral blades are arranged on the inner side of the screen type rotary drum (12); the bottom surface of the feed chute (3) is an inclined surface, a feed conveyor belt (5) is arranged in the feed chute (3), and the feeding end of the feed conveyor belt (5) is positioned below the aggregate inlet; the bottom surface of the discharging groove (16) is an inclined surface, a discharging conveyor belt (17) is arranged in the discharging groove (16), the feeding end of the discharging conveyor belt (17) is positioned below the outlet of the low-pressure soaking bin (13), the discharging groove (16) is communicated with the solution storage barrel (10) through a pipeline, and a liquid level detection device (8) is arranged in the discharging groove (16); the liquid level in the low-pressure soaking bin (1) is lower than the liquid level in the feed chute (3), and the liquid level in the discharge chute (16) is lower than the liquid level in the low-pressure soaking bin (1); aggregate inlets are formed in the feed chute (3), a vibration feeding conveyor belt (1) is arranged at the aggregate inlets, a liquid level detection device (8) is arranged in the feed chute (3), and the aggregate inlets of the feed chute (3) are further communicated with a solution storage barrel (10).
2. The apparatus for immersing recycled aggregate according to claim 1, wherein the conveyor belts are mesh conveyor belts, and transverse baffles (7) are provided on the conveyor belts.
3. The apparatus for soaking recycled aggregate according to claim 1, wherein both ends of the screen type rotary drum (12) are provided with a drum inlet (18) and a drum outlet (19), and both ends of the screen type rotary drum (12) are rotatably connected with the low pressure soaking bin (13) at the inlet and outlet of the low pressure soaking bin (13).
4. The device for soaking recycled aggregate according to claim 1, wherein the side wall of the screen type rotary drum (12) is provided with at least two sets of gears and annular racks which are meshed with each other, the top of the low-pressure soaking bin (13) is provided with a driving motor (20), the annular racks are connected with the screen type rotary drum (12), and the gears (21) are coaxially connected with an output shaft of the driving motor (20).
5. The device for soaking recycled aggregate according to claim 1, wherein the low pressure generating device (15) adopts a vacuum pump, and the top of the low pressure soaking bin (1) is provided with a pressure monitoring device (14).
6. The device for soaking recycled aggregate according to claim 1, wherein the bottom of the low pressure soaking bin (1) is provided with a cleaning port.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911287274.2A CN110845166B (en) | 2019-12-14 | 2019-12-14 | Device for soaking recycled aggregate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911287274.2A CN110845166B (en) | 2019-12-14 | 2019-12-14 | Device for soaking recycled aggregate |
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| Publication Number | Publication Date |
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| CN110845166A CN110845166A (en) | 2020-02-28 |
| CN110845166B true CN110845166B (en) | 2023-11-24 |
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| CN201911287274.2A Active CN110845166B (en) | 2019-12-14 | 2019-12-14 | Device for soaking recycled aggregate |
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| CN111825361B (en) * | 2020-08-03 | 2022-03-11 | 中交一公局集团有限公司 | Regenerated aggregate particle surface strengthening equipment and operation method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103084183A (en) * | 2011-10-27 | 2013-05-08 | 中国石油化工股份有限公司 | Fixed bed catalyst preparation method and fixed bed catalyst |
| CN107382114A (en) * | 2017-08-02 | 2017-11-24 | 上海建工集团股份有限公司 | Waste and old concrete regeneration aggregate surface processing device and method |
| CN109336439A (en) * | 2018-11-08 | 2019-02-15 | 湖南大学 | The method and device of volcano mortar negative pressure immersion treatment intensifying regenerating aggregate |
| CN211226937U (en) * | 2019-12-14 | 2020-08-11 | 长安大学 | Device for continuously soaking aggregate at low pressure |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103084183A (en) * | 2011-10-27 | 2013-05-08 | 中国石油化工股份有限公司 | Fixed bed catalyst preparation method and fixed bed catalyst |
| CN107382114A (en) * | 2017-08-02 | 2017-11-24 | 上海建工集团股份有限公司 | Waste and old concrete regeneration aggregate surface processing device and method |
| CN109336439A (en) * | 2018-11-08 | 2019-02-15 | 湖南大学 | The method and device of volcano mortar negative pressure immersion treatment intensifying regenerating aggregate |
| CN211226937U (en) * | 2019-12-14 | 2020-08-11 | 长安大学 | Device for continuously soaking aggregate at low pressure |
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