CN110845166A - Device for soaking recycled aggregate - Google Patents
Device for soaking recycled aggregate Download PDFInfo
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- CN110845166A CN110845166A CN201911287274.2A CN201911287274A CN110845166A CN 110845166 A CN110845166 A CN 110845166A CN 201911287274 A CN201911287274 A CN 201911287274A CN 110845166 A CN110845166 A CN 110845166A
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- 238000002791 soaking Methods 0.000 title claims abstract description 135
- 239000007788 liquid Substances 0.000 claims abstract description 39
- 238000001514 detection method Methods 0.000 claims description 20
- 238000007599 discharging Methods 0.000 claims description 16
- 238000003860 storage Methods 0.000 claims description 7
- 238000004140 cleaning Methods 0.000 claims description 5
- 238000012806 monitoring device Methods 0.000 claims description 5
- 238000000034 method Methods 0.000 abstract description 9
- 239000011148 porous material Substances 0.000 abstract description 9
- 238000012986 modification Methods 0.000 abstract description 7
- 230000004048 modification Effects 0.000 abstract description 7
- 239000002699 waste material Substances 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 5
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- 238000010521 absorption reaction Methods 0.000 description 3
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- 238000010586 diagram Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000008929 regeneration Effects 0.000 description 3
- 238000011069 regeneration method Methods 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 230000036541 health Effects 0.000 description 2
- 238000004321 preservation Methods 0.000 description 2
- 230000002441 reversible effect Effects 0.000 description 2
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- 210000000988 bone and bone Anatomy 0.000 description 1
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- 238000007385 chemical modification Methods 0.000 description 1
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- 230000007613 environmental effect Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
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- 238000011068 loading method 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
- 238000012545 processing Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000007789 sealing Methods 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
- 238000005728 strengthening Methods 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
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B20/00—Use of materials as fillers for mortars, concrete or artificial stone according to more than one of groups C04B14/00 - C04B18/00 and characterised by shape or grain distribution; Treatment of materials according to more than one of the groups C04B14/00 - C04B18/00 specially adapted to enhance their filling properties in mortars, concrete or artificial stone; Expanding or defibrillating materials
- C04B20/10—Coating or impregnating
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/91—Use of waste materials as fillers for mortars or concrete
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Materials Engineering (AREA)
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- 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 the inlet of the low-pressure soaking bin is communicated with a feed chute, the 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, the feeding end of each conveyor belt is positioned below the liquid level of the aggregate soaking solution, and the blanking end of each conveyor belt is positioned below the liquid level of the aggregate soaking solution; the screen mesh type rotary cylinder is rotationally connected with the low-pressure soaking bin, and the inner side of the screen mesh type rotary cylinder is provided with a helical blade; the method can enable the solution to penetrate or fill the cracks of the aggregate pores to a greater extent, accelerate the soaking speed and efficiency, better play the modification and reinforcement effect of the aggregate soaking solution on the recycled aggregate, improve the modification stability and quality of the recycled aggregate, and contribute to resource saving and waste utilization.
Description
Technical Field
The invention belongs to the field of modification of recycled aggregate of construction waste, and particularly relates to a device for soaking recycled aggregate.
Background
In the face of the current practical problems of resource shortage and environmental protection, the resource utilization of construction waste is urgent, the quality of the recycled aggregate is seriously influenced due to cracks and pores on the surface of the recycled aggregate of the construction waste, so that the strength of the recycled aggregate is low, the water absorption rate is high, and the large-scale application of the recycled aggregate is limited, therefore, the research on a recycled aggregate strengthening and modifying method becomes a hot point in the industry, the aggregate soaking solution soaking and reinforcing method utilizes the principle that the solution permeates or fills weak pores and cracks to seal the pores and cracks to reduce the water absorption rate, and the principle that the strength is reduced and the water absorption rate is considerable is formed, so that the method is economical, feasible, effective and good in application prospect, and the aggregate soaking solution modification. Most of the existing construction waste recycled aggregate soaking treatment processes are static soaking treatment under normal pressure, in the method, due to the viscosity of chemical solution and other reasons, the chemical solution permeates into the aggregate or fills the cracks of the pores, the modification potential of the aggregate soaking solution can not be fully exerted, and the soaking time is long, so that the efficiency is low, and the large-scale application is difficult.
Disclosure of Invention
The invention aims to provide a device for soaking recycled aggregate, which enables the recycled aggregate to penetrate into or fill cracks in aggregate pores to a greater extent under the impact action of the recycled aggregate and solution components in a rotary dynamic state and a chemical modification solution in a low-pressure environment, accelerates the soaking speed and efficiency, saves the processing time, simplifies the soaking operation process by using automatic soaking equipment to treat the aggregate, saves manpower, material resources and financial resources, improves the stability and quality of the recycled aggregate modification, and further improves the application degree and quality level of construction waste.
In order to achieve the purpose, the invention adopts the technical scheme that: a device for soaking recycled aggregate 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 cylinder 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, conveying belts are arranged in the feed chute and the discharge chute, a feeding end of each conveying belt is positioned below the liquid level of the aggregate soaking solution, and a blanking end of each conveying belt is positioned below the liquid level of the aggregate soaking solution; the screen mesh type rotary cylinder is rotationally connected with the low-pressure soaking bin, and the inner side of the screen mesh type rotary cylinder is provided with a helical blade.
The conveyer belt is the screen cloth formula conveyer belt, is provided with horizontal baffle on the conveyer belt.
The two ends of the screen type rotary cylinder are provided with a rotary cylinder inlet and a rotary cylinder outlet, and the two ends of the screen type rotary cylinder are rotatably 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 mesh type rotary cylinder 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 mesh type rotary cylinder, and the gears are coaxially connected with an output shaft of the driving motor.
The aggregate inlet is opened to the feed chute, and the aggregate inlet is provided with the vibration feed conveyer belt, is provided with liquid level detection device in the feed chute, and the aggregate inlet of feed chute still communicates solution storage bucket.
The bottom surface of the feed chute is an inclined plane, a feeding conveyor belt is arranged in the feed chute, and the feeding end of the feeding conveyor belt is positioned below the aggregate inlet.
The bottom surface of blown down tank is the inclined plane, sets up exit conveyor in the blown down tank, and exit conveyor's material loading end is located the low pressure and soaks storehouse export below, and the blown down tank passes through pipeline intercommunication solution storage 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 that in the feeding tank, and the liquid level in the discharging tank is lower than that 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 method comprises the steps that the recycled aggregate is pre-soaked in a feeding groove, an aggregate soaking solution is attached to the surface of the recycled aggregate, the recycled aggregate enters the feeding groove through the discrete action of a conveyor belt, the potential situation of crowded blockage of a feed is avoided, the recycled aggregate is conveyed to a screen mesh type rotary cylinder through the conveyor belt, the aggregate is more favorable for the aggregate soaking solution to permeate into cracks or pores of the recycled aggregate in a dynamic rotation mode under a low-pressure environment, so that the filling and sealing effect is achieved, the modification capacity of the aggregate soaking solution on the recycled aggregate is better exerted, the dynamic soaking treatment of the recycled aggregate is carried out when the screen mesh type rotary cylinder rotates forwards, the recycled aggregate is discharged from a bin and enters an outlet solution groove when the screen mesh type rotary cylinder rotates backwards, the recycled aggregate is.
Furthermore, the transverse baffle plates arranged on the conveying belt are beneficial to improving the conveying efficiency.
Furthermore, the dynamic soaking time is controllable, the low pressure value is controllable, the liquid level of the solution is controllable, the regeneration aggregate with different defect degrees can be conveniently soaked, the soaking quality is stable and uniform, and the soaking efficiency is improved.
Furthermore, at least two groups of gears and annular racks which are meshed with each other are arranged on the side wall of the screen mesh type rotary cylinder, a driving motor is arranged at the top of the low-pressure soaking bin, the annular racks are connected with the screen mesh type rotary cylinder, the gears are coaxially connected with an output shaft of the driving motor and are driven from the side surface of the screen mesh type rotary cylinder, the required driving force is small, and the driving mechanism is not easily polluted by soaking liquid.
Furthermore, the bottom surface of the feeding groove is an inclined surface, a feeding conveyor belt is arranged in the feeding groove, and the feeding end of the feeding conveyor belt is positioned below the aggregate inlet; the inclined plane design is adopted to save space and soak solution in the feed chute.
Furthermore, the bottom of the low-pressure soaking bin is provided with a cleaning port, and sundries accumulated in the low-pressure soaking bin during long-term work can be removed from the cleaning port.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the vibratory feed conveyor of the present invention;
FIG. 3 is a schematic view of a screen-type entrance/exit conveyor belt of the present invention;
FIG. 4 is a detailed view of the feed chute configuration of the present invention;
FIG. 5 is a detail view of the outlet solution tank structure of the present invention;
FIG. 6 is a schematic view of a low pressure steeping bin of the present invention;
FIG. 7 is a schematic view of a screen-type rotary cylinder of the present invention;
FIG. 8 is a detail view of the screen-type rotary drum of the present invention;
FIG. 9 is a detail view of the advancement of the aggregate of the present invention through a screen-type rotary drum;
FIG. 10 is a circuit diagram of the power motor of the present invention;
FIG. 11 is a circuit diagram of the solution detecting and supplying apparatus according to the present invention;
FIG. 12 is a circuit diagram of a low voltage level detection and production apparatus according to the present invention.
Wherein, 1 is a vibration feeding conveyor belt, 2 is a vibration motor, 3 is a feeding groove, 4 is an aggregate sliding plate, 5 is a screen type feeding conveyor belt, 6 is a screen, 7 is a conveyor belt protruding baffle, 8 is a liquid level detection device, 9 is an aggregate soaking solution supply device, 10 is a solution storage barrel, 11 is a pipeline, 12 is a screen type rotary barrel, 13 is a low-pressure soaking bin, 14 is a pressure monitoring device, 15 is a low-pressure generation device, 16 is an outlet solution groove, 17 is a screen type discharging conveyor belt, 18 is a rotary barrel inlet, 19 is a rotary barrel outlet, 20 is a driving motor, 21 is a gear, and 22 is an internal spiral guide blade.
Detailed Description
The invention is described in further detail below with reference to the accompanying drawings:
in the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention; furthermore, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly and encompass, for example, both fixed and removable connections; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled 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 feeding groove 3, an outlet of the low-pressure soaking bin 13 is communicated with a discharging groove 16, the low-pressure soaking bin 13 is communicated with a low-pressure generating device 15, a screen type rotary cylinder 12 is arranged in the low-pressure soaking bin 13, aggregate soaking solutions are respectively arranged in the low-pressure soaking bin 13, the feeding groove 3 and the discharging groove 16, conveyor belts are respectively arranged in the feeding groove 3 and the discharging groove 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 mesh type rotary cylinder 12 is rotationally connected with the low-pressure soaking bin 13, and the inner side of the screen mesh type rotary cylinder 12 is provided with a helical blade.
The conveyer belt is the screen cloth formula conveyer belt, is provided with horizontal baffle 7 on the conveyer belt.
A rotary drum inlet 18 and a rotary drum outlet 19 are arranged at two ends of the screen type rotary drum 12, and 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.
The aggregate entry is seted up to the feed chute 3, and the aggregate entry 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 storage bucket 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 feeding end of feeding conveyer belt 5 is located the below of aggregate entry.
The bottom surface of the discharge chute 16 is an inclined surface, a discharge conveyor belt 17 is arranged in the discharge chute 16, the feeding end of the discharge conveyor belt 17 is positioned below the outlet of the low-pressure soaking bin 13, the discharge chute 16 is communicated with the solution storage barrel 10 through a pipeline, and a liquid level detection device 8 is arranged in the discharge chute 16; the liquid level in the low-pressure soaking bin 1 is lower than that in the feed chute 3, and the liquid level in the discharge chute 16 is lower than that 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 in feed chute 3 right side, has vibrating device under the vibration feed conveyer belt, can make the conveying produce vibration effect, and the regeneration aggregate takes place to block up when avoiding the feeding through vibration feed conveyer belt vibration effect and scatter, and the regeneration aggregate that scatters falls into feed chute 3.
As shown in fig. 4, an aggregate sliding plate is arranged in the feeding chute 3, the aggregate sliding plate forms an included angle α with the vertical direction, the aggregate sliding plate helps recycled aggregates to smoothly fall into the screen-type feeding conveyor belt, an aggregate soaking solution is arranged in the feeding chute 3, the solution level can change along with the pressure difference between the inside and the outside of the soaking bin to cut off the pressure inside and the outside of the soaking bin, the low pressure inside the low-pressure soaking bin is not interfered by the outside pressure, a liquid level height detection device is arranged at the end of the soaking bin in the feeding chute 3 to detect the liquid level of the aggregate soaking solution in the feeding chute 3, so as to ensure that the feeding chute 3 cuts off the action of the pressure inside and the outside of the soaking bin, an aggregate soaking solution supply device 9 is arranged at the bottom of the chute and connected with the liquid level height detection device, when the liquid level of the solution is detected to be lower than the detection value, so as to supplement the solution, a small pipe is arranged at the top of the right end of the feeding chute 3, the solution can flow back to a solution.
Referring to fig. 3, the screen type feeding conveyor belt body is a screen mesh structure so that the feeding conveyor belt can perform a conveying operation in the aggregate soaking solution in the feeding chute 3 to avoid bringing the solution into the low-pressure soaking bin, and the screen type feeding conveyor belt is provided with protruding baffles at appropriate intervals to receive the regenerated aggregates to avoid the regenerated aggregates from sliding down into the feeding chute 3 and smoothly entering the screen type rotary cylinder 12.
The screen type rotary cylinder 12 rotates in the low-pressure soaking bin, aggregate soaking solution is arranged in the low-pressure soaking bin, rotary regenerated aggregates in the solution collide with the solution to permeate into cracks or pores, when the rotary regenerated aggregates jump out of the solution surface and are positioned in the low-pressure environment of the soaking bin, the surface solution of the regenerated aggregates permeates into the cracks or the pores under the low-pressure adsorption effect, when the screen type rotary cylinder 12 rotates forwards, the aggregates rotate and are soaked dynamically along with the screen type rotary cylinder 12, when the screen type rotary cylinder 12 rotates reversely, the aggregates are discharged from the bin and enter the discharge chute 16, a pressure detection device is arranged at the top of the soaking bin to detect the pressure in the bin, and when the pressure does not accord with the required value of a pressure test, the low-pressure device can be connected to reduce the pressure in the bin. A liquid level height detection device is arranged in the soaking bin and is used for detecting the liquid level of bone material 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 discharge chute 16 is provided with an aggregate soaking solution, acts on the feed chute 3, and is used for separating the pressure inside and outside the soaking bin, and a screen type discharge conveyor belt in the discharge chute 16 conveys out the fallen regenerated aggregates subjected to soaking treatment for health preservation. The screen type discharging conveyor belt is structurally the same as the feeding conveyor belt.
Referring to fig. 1, the device for dynamically soaking recycled aggregate through low-pressure strong rotation comprises a vibration feeding conveyor belt 1 arranged on the rightmost side of a low-pressure soaking bin 13, a vibration motor 2 arranged below the feeding conveyor belt 1 and used for enabling the conveyor belt to vibrate slightly, the vibration feeding conveyor belt 1 used for conveying aggregate to the left side, a feeding groove 3, the low-pressure soaking bin 13 and a discharging groove 16 which are connected 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 right side of the low-pressure soaking bin 13 of the feeding chute 3 is shown in fig. 1, the right end of the feeding chute is provided with an aggregate sliding plate 4 which forms an angle of α degrees with the vertical direction, the angle of α degrees is 30-45 degrees and is used for assisting regenerated aggregates to smoothly slide down on 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 screen 6 is smaller than the regenerated aggregates in screen hole size, the protruding baffles 7 are rectangular and are arranged at certain intervals and are used for receiving the falling aggregates, 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.
As an alternative of the present invention, the detection device 8 employs a liquid level meter; the pressure monitoring device 14 employs a testo 510 barometer or employs a barometer.
Referring to fig. 6, the screen type rotary cylinder 12 is driven by a driving motor 20 to rotate in the low pressure soaking chamber 13, the driving motor 20 has a gear 21 to transmit the rotation power to the screen type rotary cylinder 12, and the driving motor 20 drives the screen type rotary cylinder 12 to rotate in a forward or reverse direction with reference to fig. 10. A liquid level detection device 8 is arranged in the low-pressure soaking bin 13, and the solution supply device 9 is a water pump and can pump the solution; the top of the bin is provided with a low pressure detection device 14, the low pressure generation device 15 is an air extraction device, and the low pressure generation device 15 can be started to reduce the pressure in the bin according to the detected low pressure value.
Referring to fig. 8, an inner spiral guide vane 22 is arranged on the inner wall of the screen-type rotary cylinder 12 as shown in the figure, the inner spiral guide vane 22 is arranged along the axial direction of the screen-type rotary cylinder 12 in principle with the stirring tank, the arrangement direction and the axial direction form an included angle, when the rotary bin 12 rotates in the direction as shown in the figure, aggregate is guided by the inner spiral guide vane 22 to advance in the rotary bin 12 and gradually reaches the outlet of the rotary bin 12 from the inlet of the rotary bin 12, and the principle of the advancing direction of the aggregate is shown in fig. 9.
Referring to fig. 5, the discharge chute 16 is shown in fig. 1 to the left of the low pressure steeping bin 13. The function of which is the same as that of the feed chute 3, in order to deliver treated recycled aggregate.
The specific operation process of the invention is as follows:
referring to fig. 11, the switch of the motor 20 of the screen type rotary drum 12 is turned on, the aggregate is allowed to rotate forward, the aggregate enters the screen type rotary drum 12 through the conveyor belt, the aggregate is dynamically soaked in the low-pressure environment, the switch is adjusted to the reverse rotation position after the soaking time reaches a preset value, the motor rotates reversely, and the aggregate flows out from the bin outlet to perform health preservation. And in the period, the liquid level detection display result of the solution is observed, if the liquid level of the solution is lower than the preset value, a switch of the solution supply device is turned on to supply the solution, and similarly, the low-pressure display result in the bin is observed, when the pressure is not the preset value, the switch of the low-pressure device is turned on, and the switch is turned off when the numerical value reaches the preset value.
Claims (10)
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 feeding groove (3), an outlet of the low-pressure soaking bin (13) is communicated with a discharging groove (16), the low-pressure soaking bin (13) is communicated with a low-pressure generating device (15), a screen type rotary cylinder (12) is arranged in the low-pressure soaking bin (13), aggregate soaking solution is respectively arranged in the low-pressure soaking bin (13), the feeding groove (3) and the discharging groove (16), conveying belts are respectively arranged in the feeding groove (3) and the discharging groove (16), a feeding end of each conveying belt is positioned below the liquid level of the aggregate soaking solution, and a blanking end of each conveying belt is positioned below the liquid level of the aggregate soaking solution; the screen mesh type rotary cylinder (12) is rotationally connected with the low-pressure soaking bin (13), and the inner side of the screen mesh type rotary cylinder (12) is provided with a helical blade.
2. Device for soaking recycled aggregate according to claim 1, characterized in that the conveyor belts are mesh type conveyor belts, on which transverse baffles (7) are arranged.
3. The device for soaking recycled aggregate according to claim 1, wherein a rotating drum inlet (18) and a rotating drum outlet (19) are arranged at two ends of the screen-type rotating drum (12), and two ends of the screen-type rotating 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).
4. The device for soaking recycled aggregate according to claim 1, wherein at least two sets of gears and annular racks which are meshed with each other are arranged on the side wall of the mesh-type rotary drum (12), the driving motor (20) is arranged on the top of the low-pressure soaking bin (13), the annular racks are connected with the mesh-type rotary drum (12), and the gears (21) are coaxially connected with the output shaft of the driving motor (20).
5. The device for soaking recycled aggregate according to claim 1, wherein the feeding chute (3) is provided with an aggregate inlet, the aggregate inlet is provided with a vibration feeding conveyor belt (1), a liquid level detection device (8) is arranged in the feeding chute (3), and the aggregate inlet of the feeding chute (3) is also communicated with a solution storage barrel (10).
6. The apparatus for soaking recycled aggregate according to claim 1, wherein the bottom surface of the feed chute (3) is a slope, 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.
7. The device for soaking recycled aggregate according to claim 1, wherein 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).
8. The device for soaking recycled aggregate according to claim 1, wherein 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).
9. 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).
10. 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.
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| 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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| 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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| CN110845166A true CN110845166A (en) | 2020-02-28 |
| CN110845166B CN110845166B (en) | 2023-11-24 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111825361A (en) * | 2020-08-03 | 2020-10-27 | 中交一公局集团有限公司 | Regenerated aggregate particle surface strengthening equipment and operation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| 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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| Publication number | Priority date | Publication date | Assignee | Title |
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| 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 |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111825361A (en) * | 2020-08-03 | 2020-10-27 | 中交一公局集团有限公司 | Regenerated aggregate particle surface strengthening equipment and operation method thereof |
| 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 |
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| CN110845166B (en) | 2023-11-24 |
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