CN113600473A - Device and method for preparing concrete from construction waste - Google Patents
Device and method for preparing concrete from construction waste Download PDFInfo
- Publication number
- CN113600473A CN113600473A CN202110910877.4A CN202110910877A CN113600473A CN 113600473 A CN113600473 A CN 113600473A CN 202110910877 A CN202110910877 A CN 202110910877A CN 113600473 A CN113600473 A CN 113600473A
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- screening
- frame
- shaped frame
- construction waste
- plate
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/28—Moving screens not otherwise provided for, e.g. swinging, reciprocating, rocking, tilting or wobbling screens
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/42—Drive mechanisms, regulating or controlling devices, or balancing devices, specially adapted for screens
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/46—Constructional details of screens in general; Cleaning or heating of screens
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B15/00—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area
- B08B15/04—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area from a small area, e.g. a tool
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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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- Processing Of Solid Wastes (AREA)
Abstract
The invention relates to a device and a method for preparing concrete by using construction wastes, wherein the device for preparing concrete by using construction wastes comprises a soil separating device, a crushing device, a screening device, dust removing equipment and a mixing device, wherein: the screening device comprises a screening frame and a U-shaped frame rotatably mounted on the screening frame, a screening plate is slidably mounted on the inner side of the U-shaped frame and connected with a shaking driving assembly mounted on the U-shaped frame, the U-shaped frame is further connected with an adjusting mechanism mounted on the screening frame, and the adjusting mechanism is used for driving the U-shaped frame to rotate; a feed hopper is further mounted on the screening frame, and a plugging component is arranged at a discharge port of the feed hopper; the dust removing equipment comprises a dust removing box and an induced air assembly which is communicated with the inner side of the dust removing box and is positioned at the side end of the screening frame, and a filtering assembly is arranged at the inner side of the dust removing box; and a waste water tank is also arranged on the outer side of the dust removal tank.
Description
Technical Field
The invention relates to the field of concrete preparation, in particular to a device for preparing concrete from construction waste and a preparation method.
Background
The construction waste refers to the general name of 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 site selection of most urban building garbage stacking places is random to a great extent, and a great number of potential safety hazards are left. The construction site is often a temporary storage site for construction wastes, and due to the fact that construction is convenient and due protective measures are lacked, the construction wastes are collapsed under the influence of external factors, and the phenomenon that roads are blocked and even other buildings are rushed is caused. In suburbs, pits, ponds and ditches are the first-choice stacking places for building garbage, so that the storage capacity of water bodies is reduced, and the ground drainage and flood discharge capacity is reduced.
Therefore, scientific researchers have proposed a method for processing construction waste, namely, the construction waste is utilized to manufacture concrete to realize waste recycling, when the construction waste is used for preparing the concrete, the construction waste aggregate generated by crushing needs to be screened to ensure the preparation effect of the concrete, but the existing screening device only screens through a screen plate which is obliquely arranged when in use, and the problem that a lot of construction waste aggregate remained after screening needs to be screened compositely but is not screened exists.
Disclosure of Invention
The invention aims to provide a device and a method for preparing concrete by using construction waste, which aim to solve the problems in the background art.
In order to achieve the purpose, the invention provides the following technical scheme:
the utility model provides a device of building rubbish preparation concrete, device of building rubbish preparation concrete includes earth separator, reducing mechanism, screening plant, dust collecting equipment and mix device, wherein:
the screening device comprises a screening frame and a U-shaped frame rotatably mounted on the screening frame, a screening plate is slidably mounted on the inner side of the U-shaped frame and connected with a shaking driving assembly mounted on the U-shaped frame, the U-shaped frame is further connected with an adjusting mechanism mounted on the screening frame, and the adjusting mechanism is used for driving the U-shaped frame to rotate;
the screening frame is also provided with a feed hopper, a discharge port of the feed hopper is provided with a plugging component, the plugging component enables the discharge port of the feed hopper to be plugged or communicated under the rotation action of the U-shaped frame, a second collecting tank is arranged on the inner side of the screening frame, a first collecting tank is arranged at the side end of the screening frame, a through groove is formed in the screening frame in the opening direction of the collecting tank, and when the U-shaped frame rotates to be in contact with the bottom of the through groove, the U-shaped frame rotates to the end of a stroke;
the dust removing equipment comprises a dust removing box and an induced air assembly which is communicated with the inner side of the dust removing box and is positioned at the side end of the screening frame, a filtering assembly is arranged on the inner side of the dust removing box, and the filtering assembly is driven to rotate by a first motor arranged on the dust removing box;
the outside of dust removal case still is provided with the waste water tank, the waste water tank is through setting up intercommunication groove on the dust removal case lateral wall with the inboard intercommunication of dust removal case, just the dust removal incasement is located the position department of intercommunication groove below is provided with the toper guide plate, the dust removal incasement still is provided with atomizing component.
As a further scheme of the invention: the shaking driving assembly comprises a second motor arranged on the U-shaped frame, a cam is fixed at the output end of the second motor, a movable rod is slidably arranged at the position of the side end of the cam on the U-shaped frame, one end of the movable rod is fixedly connected with the sieve plate through a connecting rod, and the other end of the movable rod is abutted against the cam;
the movable rod is sleeved with a second spring, one end of the second spring is fixedly connected with the movable rod, and the other end of the second spring is sleeved with the sliding sleeve and is abutted to the sleeve of the U-shaped frame fixedly connected with the movable rod.
As a still further scheme of the invention: the U-shaped frame is far away from one end of the feed hopper is higher than the U-shaped frame is close to one end of the feed hopper.
As a still further scheme of the invention: adjustment mechanism installs including rotating on the screening frame and with U type frame fixed connection's gear and fixing accept the board on the screening frame, the gear with through slip subassembly slidable mounting accept rack plate meshing on the board, the one end of rack plate with fix accept the electric telescopic handle's on the board expansion end fixed connection.
As a still further scheme of the invention: the blocking assembly comprises a baffle, a first through hole is formed in the baffle, and a pushing rod is obliquely fixed on one side, facing the U-shaped frame, of the baffle;
be used for on the screening frame with the position department that the feeder hopper is connected is provided with the second through-hole, the baffle insert put in screening frame with the interior caulking groove of feeder hopper hookup location department setting, and through first spring with the inner wall fixed connection of interior caulking groove works as first through-hole with when the second through-hole is crisscross, the feeder hopper switches on.
As a still further scheme of the invention: the induced air assembly comprises a dust hood fixedly connected with the screening frame through a mounting frame and a fan arranged at the side end of the screening frame and communicated with the dust hood and the dust removal box through air pipes.
As a still further scheme of the invention: the filtering component is arranged in the dust removal box and located on the adsorption cotton plate above the conical guide plate, and the adsorption cotton plate is fixedly connected with the output shaft of the first motor through a driving shaft fixedly connected with the adsorption cotton plate.
As a still further scheme of the invention: the atomizing component comprises a volute atomizing nozzle arranged in the dust removal box and a water supply component communicated with the volute atomizing nozzle through a guide pipe.
A method for preparing concrete by using construction wastes comprises the following steps:
removing soil on the construction waste, and then crushing the construction waste; screening the coarse aggregate of the construction waste and screening the fine aggregate of the construction waste; preparing materials according to the mixing proportion; preparing a finished product of the recycled concrete; and (5) transporting to a construction site for pouring.
Compared with the prior art, the invention has the beneficial effects that: the invention has novel design, the construction waste aggregate is put into the feed hopper, the feed hopper is in a conducting state under the initial state of the U-shaped frame, the construction waste aggregate enters the sieve plate, because the sieve plate is in an inclined state, the construction waste aggregate moves under the action of gravity at the moment, the construction waste aggregate meeting the composite requirement falls into the second collecting tank through the sieve plate, then the adjusting mechanism is controlled to drive the U-shaped frame and the sieve plate to rotate, then the feed hopper is blocked under the action of the blocking component, the construction waste aggregate moves reversely, and the screening is further carried out, so as to improve the screening effect, and the rest un-screened building garbage aggregate enters the first collecting tank through the through groove, so as to realize the automatic feeding and screening of the building garbage aggregate in a reciprocating way, building waste aggregate on the sieve plate is automatically discharged, and meanwhile, the arranged shaking driving assembly can drive the sieve plate to move in a reciprocating mode so as to improve the screening efficiency;
the induced air subassembly that sets up inhales the dust removal incasement with the dirty gas that produces in the screening process, discharges behind the dirty gas absorption through atomizing absorbent effect, ensures operational environment's totally.
Drawings
FIG. 1 is a schematic structural diagram of a screening device and a dust removing device in a device for preparing concrete from construction waste.
Fig. 2 is a schematic diagram of the internal structure of a screening device in the device for preparing concrete from construction waste.
Fig. 3 is an enlarged view of a structure at a in fig. 2.
Fig. 4 is an enlarged view of the structure B in fig. 1.
FIG. 5 is a half-sectional view of a screening device and a dust removing device in the device for preparing concrete from construction waste.
FIG. 6 is a sectional view of a screening device and a dust removing apparatus in the apparatus for preparing concrete from construction wastes.
In the figure: 1-screening frame, 2-feeding hopper, 3-first collecting tank, 4-through groove, 5-dust hood, 6-dust removing tank, 7-first motor, 8-waste water tank, 9-sieve plate, 10-U-shaped frame, 11-baffle, 12-first through hole, 13-second through hole, 14-first spring, 15-pushing rod, 16-second collecting tank, 17-driving shaft, 18-spiral atomizing nozzle, 19-absorbing cotton plate, 20-conical guide plate, 21-communicating groove, 22-fan, 23-air pipe, 24-mounting frame, 25-second motor, 26-cam, 27-movable rod, 28-second spring, 29-connecting rod, 30-gear, 31-rack plate, 32-electric telescopic rod, 33-bearing plate and 34-sliding component.
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.
In addition, an element of the present invention may be said to be "fixed" or "disposed" to another element, either directly on the other element or with intervening elements present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.
Referring to fig. 1 to 6, in an embodiment of the present invention, an apparatus for preparing concrete from construction waste includes a soil separating device, a crushing device, a screening device, a dust removing device, and a mixing device, wherein:
the screening device comprises a screening frame 1 and a U-shaped frame 10 rotatably mounted on the screening frame 1, a screen plate 9 is slidably mounted on the inner side of the U-shaped frame 10, the screen plate 9 is connected with a shaking driving assembly mounted on the U-shaped frame 10, the U-shaped frame 10 is further connected with an adjusting mechanism mounted on the screening frame 1, and the adjusting mechanism is used for driving the U-shaped frame 10 to rotate;
the screening frame 1 is further provided with a feed hopper 2, a discharge port of the feed hopper 2 is provided with a plugging component, the plugging component enables the discharge port of the feed hopper 2 to be plugged or communicated under the rotation action of the U-shaped frame 10, a second collecting tank 16 is arranged on the inner side of the screening frame 1, a first collecting tank 3 is arranged at the side end of the screening frame, a through groove 4 is arranged on the screening frame 1 in the opening direction of the collecting tank 3, and when the U-shaped frame 10 rotates to be in contact with the bottom of the through groove 4, the U-shaped frame 10 rotates to the end of a stroke;
the dust removing equipment comprises a dust removing box 6 and an induced air assembly which is communicated with the inner side of the dust removing box 6 and is positioned at the side end of the screening frame 1, a filtering assembly is arranged on the inner side of the dust removing box 6, and the filtering assembly is driven to rotate by a first motor 7 arranged on the dust removing box 6;
the outside of dust removal case 6 still is provided with waste water tank 8, waste water tank 8 is through setting up intercommunication groove 21 on the 6 lateral walls of dust removal case with the inboard intercommunication of dust removal case 6, just be located in the dust removal case 6 the position department of intercommunication groove 21 below is provided with toper guide plate 20, still be provided with atomizing component in the dust removal case 6.
Among them, it should be noted that: the soil separation device is used for removing soil stained on the construction waste;
the crushing device is used for crushing the construction waste to form construction waste aggregates with different specifications;
and the mixing device is used for mixing the building waste aggregate with other materials to form concrete.
In the embodiment of the invention, the construction waste aggregate is put into the feed hopper 2, the feed hopper 2 is in a conducting state under the initial state of the U-shaped frame 10, the construction waste aggregate enters the sieve plate 9, the sieve plate 9 is in an inclined state, the construction waste aggregate moves under the action of gravity at the moment, the construction waste aggregate with composite requirements falls into the second collecting tank 16 through the sieve plate 9, then the adjusting mechanism is controlled to drive the U-shaped frame 10 and the sieve plate 9 to rotate, then the feed hopper 2 is blocked under the action of the blocking component, the construction waste aggregate moves reversely, the screening is further carried out, the screening effect is improved, the rest construction waste aggregate which is not screened enters the first collecting tank 3 through the through groove 4, the automatic feeding and screening of the construction waste aggregate and the automatic discharging of the construction waste aggregate on the sieve plate 9 are realized in a reciprocating manner, and the shaking driving component arranged can drive the sieve plate 9 to reciprocate, so as to improve the screening efficiency;
the induced air subassembly that sets up inhales the dirty gas that produces among the screening process in dust removal case 6, discharges behind the dirty gas absorption through atomizing absorbent effect, ensures operational environment's clean.
Wherein, it should be further explained that an exhaust pipe (not shown in the figure) is arranged on the dust removal box 6, and drain outlets (not shown in the figure) are arranged at the bottoms of the wastewater box 8 and the dust removal box 6.
The shaking driving assembly comprises a second motor 25 arranged on the U-shaped frame 10, a cam 26 is fixed at the output end of the second motor 25, a movable rod 27 is slidably arranged at the position of the side end of the cam 26 on the U-shaped frame 10, one end of the movable rod 27 is fixedly connected with the sieve plate 9 through a connecting rod 29, and the other end of the movable rod 27 is abutted against the cam 26;
the cover is equipped with second spring 28 on the movable rod 27, the one end of second spring 28 with movable rod 27 fixed connection, the other end with slide the cover establish on the movable rod 27 and with U type frame 10 fixed connection's sleeve butt.
In the embodiment of the present invention, the second motor 25 is arranged to drive the cam 26 to rotate when operating, when the protruding portion on the cam 26 moves towards the movable rod 27, the movable rod 27 is moved by the extrusion force, so as to drive the screen plate 9 to move through the action of the connecting rod 29, and at the same time, the movable rod 27 presses the second spring 28 when moving, when the protruding portion on the cam 26 moves away from the movable rod 27, the second spring 28 is reset to drive the screen plate 9 to move reversely through the action of the movable rod 27 and the connecting rod 29, so as to realize the reciprocating movement of the screen plate 9, and improve the screening efficiency.
The height of one end of the U-shaped frame 10 far away from the feed hopper 2 is larger than that of one end of the U-shaped frame 10 close to the feed hopper 2.
The height of one end of the U-shaped frame 10 is increased, so that the construction waste is mainly prevented from rolling out from one end of the U-shaped frame 10 far away from the feeding hopper 2.
Adjustment mechanism installs including rotating screening frame 1 go up and with U type frame 10 fixed connection's gear 30 and fix receiving board 33 on the screening frame 1, gear 30 with through sliding assembly 34 slidable mounting in the meshing of rack plate 31 on receiving board 33, the one end of rack plate 31 with fix the expansion end fixed connection of the electric telescopic handle 32 on receiving board 33.
Drive rack plate 31 and remove during the telescopic motion of the electric telescopic handle 32 that sets up, drive gear 30 and rotate when rack plate 31 removes, gear 30 drives U type frame 10 reciprocating motion to realize adjusting the demand, wherein, need explain, electric telescopic handle 32 still can adopt cylinder or pneumatic cylinder replacement, as long as satisfy flexible drive demand can, this application does not do specifically to this and restricts.
Preferably, the sliding assembly 34 includes a bar-shaped sliding groove disposed on the receiving plate 33 and a sliding block fixedly connected to the rack plate 31, and the sliding block is slidably mounted in the bar-shaped sliding groove.
The plugging assembly comprises a baffle 11, a first through hole 12 is formed in the baffle 11, and a pushing rod 15 is obliquely fixed on one side, facing the U-shaped frame 10, of the baffle 11;
screening frame 1 go up be used for with the position department that feeder hopper 2 is connected is provided with second through-hole 13, baffle 11 insert put in screening frame 1 go up with the interior caulking groove that feeder hopper 2 hookup location department set up, and through first spring 14 with the inner wall fixed connection of interior caulking groove works as first through-hole 12 with when second through-hole 13 is crisscross, feeder hopper 2 switches on.
It should be noted that, when one end of the U-shaped frame 10 is close to the feeding hopper 2, the pushing rod 15 is abutted, so that the baffle 11 moves, at this time, the first through hole 12 coincides with the second through hole 13, the feeding hopper 2 is conducted, so that the construction waste aggregate enters the sieve plate 9, at this time, the first spring 14 is in a pulling state, when the U-shaped frame 10 rotates, the baffle 11 moves under the action of the first spring 14, so that the first through hole 12 and the second through hole 13 are gradually staggered, and the feeding hopper 2 is gradually plugged, so that when the construction waste aggregate which is not screened is discharged, no new construction waste enters the sieve plate 9.
The induced air subassembly include through mounting bracket 24 with screening frame 1 fixed connection's suction hood 5 and install screening frame 1 side just communicates through tuber pipe 23 suction hood 5 reaches the fan 22 of dust removal case 6.
When the fan 22 works, negative pressure is generated in the dust hood 5 under the action of the air pipe 23, so that dust-containing gas generated in the screening process is conveyed into the dust removal box 6 for dust removal treatment.
The filtering component comprises an adsorption cotton plate 19 which is arranged in the dust removing box 6 and positioned above the conical guide plate 20, and the adsorption cotton plate 19 is fixedly connected with an output shaft of the first motor 7 through a driving shaft 17 fixedly connected with the adsorption cotton plate.
The first motor 7 during operation that sets up drives through drive shaft 17 and adsorbs cotton board 19 and rotate to the muddy water mixture that will adsorb on the cotton board 19 adopts centrifugal force effect to throw away, and the muddy water of throwing away enters into waste water tank 8 through toper guide plate 20 and intercommunication groove 21 and collects, with the adsorption effect of guaranteeing to adsorb cotton board 19, need not the regular dismantlement and washs, and the practicality is strong.
The atomizing assembly comprises a worm-shaped atomizing nozzle 18 installed in the dust removing box 6 and a water supply assembly communicated with the worm-shaped atomizing nozzle 18 through a conduit.
It should be noted that the water supply assembly may employ a water pump and a water tank, and the water pump is communicated with the water tank and the spiral atomizing nozzle 18 through a conduit, so as to supply water to the spiral atomizing nozzle 18.
A method for preparing concrete by using construction wastes comprises the following steps:
removing soil on the construction waste, and then crushing the construction waste; screening the coarse aggregate of the construction waste and screening the fine aggregate of the construction waste; preparing materials according to the mixing proportion; preparing a finished product of the recycled concrete; and (5) transporting to a construction site for pouring.
In the embodiment of the invention, the adopted cement is P.042.5, the grain diameter of the coarse aggregate of the construction waste is 10-20mm, the crushing index is less than or equal to 30 percent, and the apparent density is 2.2-2.6g/cm3The porosity is 47-53%, the water absorption (pre-wetting treatment) is 3.0-8.0%, the content of mud blocks is less than or equal to 1.0%, the content of red bricks is less than or equal to 32.6%, and the content of impurities is less than or equal to 0.85%. The content of the building waste fine aggregate mud blocks is less than or equal to 3 percent, the crushing index is less than or equal to 30 percent, and the apparent density is 2.2-2.5g/cm3Bulk density of 1.2-1.4g/cm3The porosity is 46-52%, and the content of light substances is less than 1.0%. The components are prepared according to the proportion of cement, water, sand, construction waste fine aggregate (pre-wet treatment), broken stone, construction waste coarse aggregate (pre-wet treatment) and additive being 1 to (0.45-0.61) to (0.68-1.10) to (1.51-2.05) to 0.03.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (9)
1. The utility model provides a device of building rubbish preparation concrete, a serial communication port, device of building rubbish preparation concrete includes earth separator, reducing mechanism, screening plant, dust collecting equipment and mix device, wherein:
the screening device comprises a screening frame (1) and a U-shaped frame (10) rotatably mounted on the screening frame (1), a screening plate (9) is slidably mounted on the inner side of the U-shaped frame (10), the screening plate (9) is connected with a shaking driving assembly mounted on the U-shaped frame (10), the U-shaped frame (10) is further connected with an adjusting mechanism mounted on the screening frame (1), and the adjusting mechanism is used for driving the U-shaped frame (10) to rotate;
the screening frame (1) is further provided with a feed hopper (2), a plugging component is arranged at a discharge port of the feed hopper (2), the plugging component enables the discharge port of the feed hopper (2) to be plugged or communicated under the rotation action of the U-shaped frame (10), a second collecting tank (16) is arranged on the inner side of the screening frame (1), a first collecting tank (3) is arranged at the side end of the second collecting tank, a through groove (4) is arranged on the screening frame (1) in the opening direction of the collecting tank (3), and when the U-shaped frame (10) rotates to be in contact with the bottom of the through groove (4), the U-shaped frame (10) rotates to the end of a stroke;
the dust removing equipment comprises a dust removing box (6) and an induced air assembly which is communicated with the inner side of the dust removing box (6) and is positioned at the side end of the screening frame (1), wherein a filtering assembly is arranged on the inner side of the dust removing box (6), and the filtering assembly is driven to rotate by a first motor (7) arranged on the dust removing box (6);
the outside of dust removal case (6) still is provided with waste water tank (8), waste water tank (8) are through setting up intercommunication groove (21) on dust removal case (6) lateral wall with the inboard intercommunication of dust removal case (6), just be located in dust removal case (6) the position department of intercommunication groove (21) below is provided with toper guide plate (20), still be provided with atomizing component in dust removal case (6).
2. The device for preparing concrete by using construction waste as claimed in claim 1, wherein the shaking driving assembly comprises a second motor (25) installed on the U-shaped frame (10), a cam (26) is fixed at the output end of the second motor (25), a movable rod (27) is slidably installed on the U-shaped frame (10) at the position of the side end of the cam (26), one end of the movable rod (27) is fixedly connected with the screen plate (9) through a connecting rod (29), and the other end of the movable rod abuts against the cam (26);
the cover is equipped with second spring (28) on movable rod (27), the one end of second spring (28) with movable rod (27) fixed connection, the other end with slide the cover establish on movable rod (27) and with U type frame (10) fixed connection's sleeve butt.
3. A construction waste concrete preparation apparatus according to claim 2, wherein the end of the U-shaped frame (10) remote from the feed hopper (2) is higher than the end of the U-shaped frame (10) close to the feed hopper (2).
4. The device for preparing concrete by using construction wastes as claimed in claim 1, wherein the adjusting mechanism comprises a gear (30) rotatably mounted on the screening frame (1) and fixedly connected with the U-shaped frame (10) and a receiving plate (33) fixed on the screening frame (1), the gear (30) is engaged with a rack plate (31) slidably mounted on the receiving plate (33) through a sliding assembly (34), and one end of the rack plate (31) is fixedly connected with a movable end of an electric telescopic rod (32) fixed on the receiving plate (33).
5. The device for preparing concrete by using construction waste as claimed in claim 1, wherein the blocking assembly comprises a baffle plate (11), a first through hole (12) is formed in the baffle plate (11), and a pushing rod (15) is obliquely fixed on one side of the baffle plate (11) facing the U-shaped frame (10);
screening frame (1) go up be used for with the position department that feeder hopper (2) are connected is provided with second through-hole (13), baffle (11) insert put in screening frame (1) go up with feeder hopper (2) hookup location department in the inner caulking groove that sets up, and through first spring (14) with the inner wall fixed connection of inner caulking groove works as first through-hole (12) with when second through-hole (13) are crisscross, feeder hopper (2) switch on.
6. The device for preparing concrete by using construction wastes as claimed in claim 1, wherein the induced air assembly comprises a dust hood (5) fixedly connected with the screening frame (1) through a mounting frame (24) and a fan (22) installed at the side end of the screening frame (1) and communicating the dust hood (5) and the dust removal box (6) through an air pipe (23).
7. The device for preparing concrete from construction waste is characterized in that the filtering assembly comprises an adsorption cotton plate (19) which is arranged in the dust removing box (6) and is positioned above the conical guide plate (20), and the adsorption cotton plate (19) is fixedly connected with an output shaft of the first motor (7) through a driving shaft (17) fixedly connected with the adsorption cotton plate.
8. The apparatus for preparing concrete from construction waste according to claim 1, wherein the atomizing assembly comprises a scroll-type atomizing nozzle (18) installed in the dust removing box (6) and a water supply assembly communicated with the scroll-type atomizing nozzle (18) through a conduit.
9. The method for preparing the concrete by using the construction waste is characterized by comprising the following steps of:
removing soil on the construction waste, and then crushing the construction waste; screening the coarse aggregate of the construction waste and screening the fine aggregate of the construction waste; preparing materials according to the mixing proportion; preparing a finished product of the recycled concrete; and (5) transporting to a construction site for pouring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110910877.4A CN113600473B (en) | 2021-08-09 | 2021-08-09 | Device and method for preparing concrete from construction waste |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114273217A (en) * | 2021-12-28 | 2022-04-05 | 广东金世纪高新材料有限公司 | Aluminum particle processing and screening device and screening process thereof |
| CN114477865A (en) * | 2021-12-24 | 2022-05-13 | 新沂新硕混凝土有限公司 | Regeneration function type concrete and manufacturing device |
| CN114472142A (en) * | 2021-12-27 | 2022-05-13 | 新沂市恒盛石英制品厂 | Automatic screening equipment of quartz sand |
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| CN114477865A (en) * | 2021-12-24 | 2022-05-13 | 新沂新硕混凝土有限公司 | Regeneration function type concrete and manufacturing device |
| CN114472142A (en) * | 2021-12-27 | 2022-05-13 | 新沂市恒盛石英制品厂 | Automatic screening equipment of quartz sand |
| CN114273217A (en) * | 2021-12-28 | 2022-04-05 | 广东金世纪高新材料有限公司 | Aluminum particle processing and screening device and screening process thereof |
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| CN113600473B (en) | 2022-05-20 |
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