CN114289160A - Method for producing superfine powder by using construction waste solid waste - Google Patents
Method for producing superfine powder by using construction waste solid waste Download PDFInfo
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- CN114289160A CN114289160A CN202111647109.0A CN202111647109A CN114289160A CN 114289160 A CN114289160 A CN 114289160A CN 202111647109 A CN202111647109 A CN 202111647109A CN 114289160 A CN114289160 A CN 114289160A
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- 239000002699 waste material Substances 0.000 title claims abstract description 91
- 238000010276 construction Methods 0.000 title claims abstract description 71
- 239000000843 powder Substances 0.000 title claims abstract description 35
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 29
- 239000002910 solid waste Substances 0.000 title claims abstract description 27
- 239000010813 municipal solid waste Substances 0.000 claims abstract description 46
- 238000007599 discharging Methods 0.000 claims abstract description 8
- 238000012216 screening Methods 0.000 claims description 41
- 238000000227 grinding Methods 0.000 claims description 31
- 239000000428 dust Substances 0.000 claims description 20
- 238000003825 pressing Methods 0.000 claims description 17
- 238000003756 stirring Methods 0.000 claims description 10
- 238000000034 method Methods 0.000 claims description 7
- 230000009471 action Effects 0.000 claims description 4
- 238000010298 pulverizing process Methods 0.000 description 20
- 239000000463 material Substances 0.000 description 7
- 239000012190 activator Substances 0.000 description 4
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Images
Classifications
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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
- Y02W30/58—Construction or demolition [C&D] waste
Abstract
The invention relates to a method for producing superfine micro powder by using construction waste solid waste, which comprises the following steps: pouring the construction waste into a smashing device to primarily smash the waste, so that influence on later-stage further treatment due to overlarge construction waste is avoided; and secondly, the building garbage after primary crushing directly enters a crushing device through a discharging barrel, the crushing device can further crush the building garbage with insufficient hardness, the crushing degree of the building garbage with higher hardness is smaller than that of the building garbage with insufficient hardness, and the building garbage with higher hardness is larger than that of the building garbage with lower hardness.
Description
Technical Field
The invention belongs to the technical field of building waste micro-processing, and particularly relates to a method for producing superfine powder by using building waste solid waste.
Background
The construction waste includes dregs, waste concrete, waste bricks and stones and other wastes produced by people in the production activities of the construction industry such as demolition, construction, decoration and repair. The construction waste can be classified into engineering residue soil, decoration waste, demolition waste, engineering slurry and the like according to the production source; the construction waste can be classified into slag, concrete blocks, broken stone blocks, broken bricks and tiles, waste mortar, slurry, asphalt blocks, waste plastics, waste metals, waste bamboo and wood and the like according to the composition.
The existing construction waste is difficult to clean, usually can be treated in a landfill or incineration mode, so that the environment is seriously polluted, and a large amount of construction waste is directly stacked in a garbage yard and is difficult to treat. The superfine micro powder grinder can grind superhard materials including diamond powder into nano-grade micro powder, and if the construction waste is subjected to superfine pulverization, the problem of how to treat the construction waste can be solved, so that how to treat the construction waste by the superfine micro powder grinder and obtain high-performance superfine micro powder is a problem to be solved at present.
Therefore, the invention provides a method for producing superfine powder by using the solid waste of the construction waste.
Disclosure of Invention
The invention aims to provide a method for producing superfine powder by using construction waste solid waste, which solves the problems that the construction waste is difficult to clean and pollutes the environment in the prior art.
The purpose of the invention can be realized by the following technical scheme:
a method for producing superfine micropowder by using construction waste solid waste comprises the following specific steps:
pouring the construction waste into a smashing device to primarily smash the waste, so that influence on later-stage further treatment due to overlarge construction waste is avoided;
step two, the building garbage after preliminary smashing directly enters a smashing device through a discharging barrel, the smashing device can further smash the building garbage with insufficient hardness, the smashing degree of the building garbage with higher hardness is smaller than that of the building garbage with insufficient hardness, and the building garbage with higher hardness is larger than that of the building garbage with lower hardness;
step three, the garbage with different sizes is further poured into a screening device, and the screening device can screen the building garbage with different sizes, so that the building garbage with different hardness can be separated, and the building garbage with higher hardness can be separated;
pouring the construction waste with higher hardness into an ultrafine pulverizer, and micronizing the harder construction waste;
and step five, the dust ground in the step four enters a collection box to be collected under the action of a dust collection pipe and a fan connected with the dust collection pipe.
The invention discloses a method for producing superfine powder by utilizing construction waste solid waste, which comprises a stirring device, a crushing device, a screening device, a superfine pulverizer, a fan, a dust absorption pipe and a collecting box, wherein the stirring device is communicated with the crushing device through a discharging barrel, and the screening device is arranged below the crushing device;
the superfine pulverizer comprises a pulverizing body, a feed hopper connected to the pulverizing body, a hydraulic cylinder and a pulverizing motor which are arranged above the feed hopper, and a pulverizing part rotating inside the pulverizing body, wherein the output end of the pulverizing motor is connected with the central shaft of the pulverizing part, the pulverizing part is in an ellipsoidal shape, the bottom of the hydraulic cylinder is fixedly connected with a pressing part, and the bottom wall of the pressing part is matched with the surface of the pulverizing part.
Preferably, the crushing device comprises a crushing shell, two crushing rollers arranged inside the crushing shell, and two gears and a driving motor which are meshed with each other and extend to the outside of the crushing shell through central shafts of the two crushing rollers, wherein the output end of the driving motor is connected with the central shaft of one of the gears.
Preferably, the reducing mechanism includes crushing shell, slide crushing clamp plate, the dwang of installing rotation motor, discharge gate, rotating turret and rotation at the rotating turret surface on crushing shell inside crushing shell, the one end and crushing clamp plate one side of dwang are rotated and are connected, the inside sliding connection of discharge gate has the push-and-pull plate, and the opening with discharge gate looks adaptation is seted up on the right side of push-and-pull plate.
Preferably, screening plant is including screening shell, locate the inside filter of screening shell, the filter middle part is upwards protruding, the left and right sides of filter all is connected with the movable block, the activity groove has all been seted up to screening shell inner wall both sides, the movable block slides in the activity inslot portion, and passes through spring coupling between movable block and the activity inslot wall, and filter bottom both sides all are equipped with vibrating motor.
Preferably, one side of screening shell inner wall is equipped with scrapes the flitch, and scrapes the flitch and filter and the space shape that the screening shell upside inner wall formed corresponding, and one side fixedly connected with pull rod of screening shell, the chamber door has been seted up to one side on screening shell surface.
Preferably, a filter screen is arranged at the connecting end of the dust suction pipe and the grinding body.
Preferably, the top of the hydraulic cylinder is fixed on the grinding body through a connecting frame, and one side of the grinding body is communicated with a feeding hopper. The loading hopper is used for adding activator solution, and activator solution can add the hardness that reduces the building solid, improves the crocus efficiency.
The invention has the beneficial effects that:
according to the invention, the construction waste with low hardness can be removed, the construction waste with high hardness is intensively ground to obtain the superfine powder, the mixed waste is extruded through the crushing pressing plate, and the construction waste with high hardness can be further crushed.
According to the invention, the building waste can be quickly ground through the matching among the stirring device, the crushing device, the screening device, the superfine pulverizer, the fan, the dust collection pipe and the collection box, the treatment efficiency of the building waste is greatly improved through a simple grinding step, the effective recovery of the building solid waste is realized, and the problem that the building waste is difficult to treat is solved.
According to the invention, the building garbage can be sufficiently ground through the matching among the grinding motor, the grinding part, the hydraulic cylinder and the pressing part, the grinding efficiency of the grinding part on the building garbage can be improved by driving the pressing part to downwards extrude the building garbage through the matching of the hydraulic cylinder, and meanwhile, the dust suction pipe is directly connected to the bottom of the superfine grinding machine, so that the superfine micro powder can be rapidly collected.
The invention can remove the construction waste with insufficient hardness, and intensively grind the construction waste with high hardness to obtain the superfine micro powder.
According to the invention, the crushing pressing plate can be driven to move back and forth left and right in the crushing shell through the matching of the rotating motor, the rotating frame and the rotating rod, so that the waste in the crushing shell is repeatedly compressed, and the construction waste with insufficient hardness after primary crushing can be sufficiently crushed.
According to the invention, building rubbish can be prevented from being accumulated on the filter plate positioned right below the feeding hole through the arrangement of the filter plate protruding upwards, and the filter plate can be driven to vibrate at high frequency by matching with the vibration motor and the spring, so that the filtering efficiency of the building rubbish is improved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic structural view of a garbage crushing apparatus in a method for producing ultrafine powder from construction garbage solid waste according to the present invention;
FIG. 2 is a schematic structural view of an ultrafine pulverizer in a method for producing ultrafine powder from construction waste solid waste according to the present invention;
FIG. 3 is a schematic structural diagram of a crushing device and a pulverizing device in the method for producing ultrafine powder from construction waste solid waste according to the present invention;
FIG. 4 is a schematic structural diagram of a screening device in a method for producing ultra-fine powder from construction waste solid waste according to the present invention;
FIG. 5 is a schematic view showing the structure of the outside of a crushing apparatus in a method for producing ultrafine powder from construction waste solid waste according to the present invention;
FIG. 6 is a side view showing the structure of a sieving apparatus in a method for producing ultrafine powder using construction waste solid waste according to the present invention;
FIG. 7 is an enlarged view of a portion A of FIG. 4 in a method for producing ultrafine powder using construction waste solid waste according to the present invention;
FIG. 8 is a schematic structural view of a push-pull plate in a method for producing ultrafine powder from construction waste solid waste according to the present invention.
In the drawings, the components represented by the respective reference numerals are listed below:
1. a fan; 2. a dust collection pipe; 3. a collection box; 4. feeding the material barrel; 5. a grinding body; 6. a feed hopper; 7. a hydraulic cylinder; 8. a grinding motor; 9. grinding parts; 10. pressing the material; 11. crushing the shell; 12. crushing the roller; 13. a gear; 14. a drive motor; 15. crushing the shell; 16. crushing and pressing plates; 17. rotating the motor; 18. a discharge port; 19. a rotating frame; 20. rotating the rod; 21. a push-pull plate; 22. a port; 23. screening the outer shell; 24. a filter plate; 25. a movable block; 26. a movable groove; 27. A spring; 28. a vibration motor; 29. a scraping plate; 30. a pull rod; 31. a box door; 32. a filter screen; 33. a hopper; 34. and a connecting frame.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 to 8, the present invention is a method for producing ultrafine powder from construction waste solid waste, comprising the following steps:
pouring the construction waste into a smashing device to primarily smash the waste, so that influence on later-stage further treatment due to overlarge construction waste is avoided;
step two, the building garbage after preliminary crushing directly enters a crushing device through a discharging barrel 4, the crushing device can further crush the building garbage with insufficient hardness, and the building garbage with higher hardness cannot be crushed to a lesser extent than the building garbage with insufficient hardness, so that the building garbage with higher hardness is larger than the building garbage with lower hardness;
step three, the garbage with different sizes is further poured into a screening device, and the screening device can screen the building garbage with different sizes, so that the building garbage with different hardness can be separated, and the building garbage with higher hardness can be separated;
pouring the construction waste with higher hardness into an ultrafine pulverizer, and micronizing the harder construction waste;
and step five, the dust ground in the step four enters a collection box 3 to be collected under the action of a dust collection pipe 2 and a fan 1 connected with the dust collection pipe.
The invention discloses a method for producing superfine powder by utilizing construction waste solid waste, which comprises a stirring device, a crushing device, a screening device, a superfine pulverizer, a fan 1, a dust suction pipe 2 and a collecting box 3, wherein the stirring device is communicated with the crushing device through a feeding barrel 4, and the screening device is arranged below the crushing device; the superfine pulverizer comprises a pulverizing body 5, a feed hopper 6 connected to the pulverizing body 5, a hydraulic cylinder 7 and a pulverizing motor 8 which are arranged above the feed hopper 6, and a pulverizing part 9 rotating inside the pulverizing body 5, wherein the output end of the pulverizing motor 8 is connected with the central shaft of the pulverizing part 9, the pulverizing part 9 is ellipsoidal, the bottom of the hydraulic cylinder 7 is fixedly connected with a material pressing part 10, and the bottom wall of the material pressing part 10 is matched with the surface of the pulverizing part 9. The crushing device comprises a crushing shell 11, two crushing rollers 12 arranged inside the crushing shell 11, two gears 13 and a driving motor 14, wherein the two gears 13 and the driving motor 14 are meshed with each other and extend to the outside of the crushing shell 11 through the central shafts of the two crushing rollers 12, and the output end of the driving motor 14 is connected with the central shaft of one gear 13. The crushing device comprises a crushing shell 15, a crushing pressing plate 16 sliding inside the crushing shell 15, a rotating motor 17 installed on the crushing shell 15, a discharge hole 18, a rotating frame 19 and a rotating rod 20 rotating on the outer surface of the rotating frame 19, wherein one end of the rotating rod 20 is rotatably connected with one side of the crushing pressing plate 16, a push-pull plate 21 is slidably connected inside the discharge hole 18, and a through hole 22 matched with the discharge hole 18 is formed in the right side of the push-pull plate 21. Screening plant is including screening shell 23, locate screening shell 23 inside filter 24, and filter 24 middle part is upwards protruding, and the left and right sides of filter 24 all is connected with movable block 25, and movable groove 26 has all been seted up to screening shell 23 inner wall both sides, and movable block 25 slides inside movable groove 26, and is connected through spring 27 between movable block 25 and the movable groove 26 inner wall, and filter 24 bottom both sides all are equipped with vibrating motor 28. One side of screening shell 23 inner wall is equipped with scrapes flitch 29, and scrapes flitch 29 and the filter 24 and the space shape that screening shell 23 upside inner wall formed and correspond, and one side fixedly connected with pull rod 30 of screening shell 23, and chamber door 31 has been seted up to one side on screening shell 23 surface. A filter screen 32 is arranged at the connecting end of the dust suction pipe 2 and the grinding body 5. The top of the hydraulic cylinder 7 is fixed on the grinding body 5 through a connecting frame 34, and one side of the grinding body 5 is communicated with a charging hopper 33. The feed hopper 33 is used for adding activator dissolving liquid, and the activator dissolving liquid can be used for reducing the hardness of building solids and improving the milling efficiency.
The functions of the structures used in the present invention are specifically as follows:
a crushing device: the building garbage crusher is used for carrying out preliminary crushing on the building garbage, and is convenient for later-stage treatment;
a crushing device: the construction waste is further crushed, and the construction waste with high hardness can further crush the construction waste with low hardness through extrusion between the mixed waste;
screening device: screening the construction wastes with different sizes to obtain construction wastes with higher hardness;
an ultrafine pulverizer: can carry out the crocus to the construction waste who sieves out and handle.
The invention can remove the construction waste with low hardness and intensively grind the construction waste with high hardness so as to obtain the superfine powder.
The specific working principle realized by combining the method for producing the superfine powder and the device for producing the superfine powder is as follows:
pouring the construction waste into the crushing shell 11, starting the driving motor 14, driving the two gears 13 to rotate by the driving motor 14, thereby driving the two crushing rollers 12 to rotate oppositely, realizing the primary crushing of the construction waste, enabling the crushed waste to enter the crushing shell 15, starting the rotating motor 17, driving the rotating frame 19 to rotate by the rotating motor 17, matching with the rotating rod 20 to push the crushing pressing plate 16 to repeatedly crush the construction waste, fully crushing the construction waste with insufficient hardness, not fully crushing the construction waste with too high hardness, pulling the push-pull plate 21 to enable the through hole 22 on the push-pull plate 21 to correspond to the discharge hole 18, enabling the construction waste to enter the screening shell 23, separating the construction waste under the matching between the vibrating motor 28 and the filter plate 24, screening out large building waste with higher hardness, then pouring the screened construction waste with higher hardness into the grinding body 5, and then starting the hydraulic cylinder 7, driving the construction waste to be compacted downwards by the hydraulic cylinder 7, simultaneously starting the grinding motor 8, driving the grinding part 9 to rotate by the grinding motor 8, and enabling the dust to enter the collecting box 3 under the action of the fan 1 and the dust suction pipe 2, thereby completing the process of superfine micropowder of the construction waste.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The foregoing is merely exemplary and illustrative of the principles of the present invention and various modifications, additions and substitutions of the specific embodiments described herein may be made by those skilled in the art without departing from the principles of the present invention or exceeding the scope of the claims set forth herein.
Claims (8)
1. A method for producing superfine micropowder by using construction waste solid waste is characterized by comprising the following steps: the device comprises a stirring device, a crushing device, a screening device, an ultrafine pulverizer, a fan (1), a dust collection pipe (2) and a collection box (3), wherein the stirring device is communicated with the crushing device through a feed cylinder (4), and the screening device is arranged below the crushing device;
the superfine pulverizer comprises a grinding body (5), a feed hopper (6) connected to the grinding body (5), a hydraulic cylinder (7) arranged above the feed hopper (6), a grinding motor (8) and a grinding part (9) rotating inside the grinding body (5), wherein the output end of the grinding motor (8) is connected with the central shaft of the grinding part (9), the grinding part (9) is in an ellipsoidal shape, the bottom of the hydraulic cylinder (7) is fixedly connected with a pressing part (10), and the bottom wall of the pressing part (10) is matched with the surface of the grinding part (9).
2. The method for producing ultrafine powder by using construction waste solid waste according to claim 1, wherein the method comprises the following steps: the stirring device comprises a stirring shell (11), two stirring rollers (12), two gears (13) which are meshed with each other and a driving motor (14), wherein the output end of the driving motor (14) is connected with the central shaft of one of the gears (13).
3. The method for producing ultrafine powder by using construction waste solid waste according to claim 1, wherein the method comprises the following steps: the smashing device comprises a smashing shell (15), a smashing pressing plate (16), a rotating motor (17), a discharging port (18), a rotating frame (19) and a rotating rod (20) rotating on the outer surface of the rotating frame (19), one end of the rotating rod (20) is connected with one side of the smashing pressing plate (16) in a rotating mode, a push-pull plate (21) is connected to the inner portion of the discharging port (18) in a sliding mode, and a through port (22) matched with the discharging port (18) is formed in the right side of the push-pull plate (21).
4. The method for producing ultrafine powder by using construction waste solid waste according to claim 1, wherein the method comprises the following steps: screening plant is including screening shell (23), filter (24) middle part is upwards protruding, both sides all are connected with movable block (25) about filter (24), movable groove (26) have all been seted up to screening shell (23) inner wall both sides, movable block (25) slide inside movable groove (26), and are connected through spring (27) between movable block (25) and movable groove (26) inner wall, and filter (24) bottom both sides all are equipped with vibrating motor (28).
5. The method for producing ultrafine powder by using construction waste solid waste according to claim 4, wherein the method comprises the following steps: one side of screening shell (23) inner wall is equipped with scrapes flitch (29), and one side fixedly connected with pull rod (30) of screening shell (23), chamber door (31) have been seted up to one side on screening shell (23) surface.
6. The method for producing ultrafine powder by using construction waste solid waste according to claim 1, wherein the method comprises the following steps: and a filter screen (32) is arranged at the connecting end of the dust suction pipe (2) and the grinding body (5).
7. The method for producing ultrafine powder by using construction waste solid waste according to claim 1, wherein the method comprises the following steps: the top of the hydraulic cylinder (7) is fixed on the grinding body (5) through a connecting frame (34), and one side of the grinding body (5) is communicated with a feeding hopper (33).
8. The method for producing ultrafine powder by using the construction waste solid waste according to any one of claims 1 to 7, which is characterized by comprising the following steps:
pouring the construction waste into a smashing device, and primarily smashing the waste;
step two, the building garbage after preliminary smashing directly enters a smashing device through a discharging barrel, the smashing device can further smash the building garbage with insufficient hardness, the smashing degree of the building garbage with higher hardness is smaller than that of the building garbage with insufficient hardness, and the building garbage with higher hardness is larger than that of the building garbage with lower hardness;
step three, the garbage with different sizes is further poured into a screening device, and the screening device can screen the building garbage with different sizes, so that the building garbage with different hardness can be separated, and the building garbage with higher hardness can be separated;
pouring the high-hardness building waste into an ultrafine pulverizer, and micronizing the high-hardness building waste;
and step five, the dust ground in the step four enters a collection box to be collected under the action of a dust collection pipe and a fan connected with the dust collection pipe.
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Application publication date: 20220408 |