CN104096708A - Automatic crushing device for construction waste materials - Google Patents
Automatic crushing device for construction waste materials Download PDFInfo
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- CN104096708A CN104096708A CN201410353374.1A CN201410353374A CN104096708A CN 104096708 A CN104096708 A CN 104096708A CN 201410353374 A CN201410353374 A CN 201410353374A CN 104096708 A CN104096708 A CN 104096708A
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- conveyer belt
- waste wood
- screen drum
- crushing device
- building waste
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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 discloses an automatic crushing device for construction waste materials, belongs to the technical field of construction material production, and solves the problem that the efficiency of conventional crushing of the construction waste materials is low. The automatic crushing device for the construction waste materials comprises a feeding hopper, a crushing machine, a screening rack and a screening cylinder, wherein the screening rack is provided with a discharging chute; the screening cylinder is arranged on the screening rack; the discharging chute is arranged below the screening cylinder in an inclined manner; a conveying belt I inclined upwards is arranged under the feeding hopper; the discharging end of the conveying belt I is positioned above the feeding inlet of the crushing machine; a conveying belt II inclined upwards is arranged below the discharging outlet of the crushing machine; the screening cylinder is arranged horizontally; one end of the screening cylinder is connected with the discharging end of the conveying belt II, and the other end of the screening cylinder is connected with a dropping chute inclined downwards; a conveying belt III is arranged below the dropping chute; the discharging end of the conveying belt III is positioned above the feeding inlet of the crushing machine. The automatic crushing device can crush the construction waste materials, and can automatically re-crush and re-screen waste materials of which the granule size is larger until the granule size meets the crushing requirement, and then, the materials are discharged.
Description
Technical field
The invention belongs to production of construction materials technical field, relate to a kind of building waste wood automatic crushing device.
Background technology
In existing production of construction materials technical field, the production of building materials, colliding with when particularly the production of concrete segment is due to moulding, maintenance and carrying easily causes the breakage of building block, this type of building block can not be used further to build by laying bricks or stones, but the words that directly abandon both can be to environment, can cause again the increase of production cost, thereby conventional processing mode is that building block waste wood is broken into powder or granule particle and is re-used as raw material and again processes simultaneously.As flat in Japanese patent gazette No. 6-30755 a kind of renovation process about concrete particle and device thereof are disclosed, it is a kind of to building, civil structure part, the solution body concrete fritter of concrete secondary product etc. carries out fragmentation, the method and apparatus of classification and recycling, it is configured to: the waste wood of having collected is put into and relied on power generation arrangement to carry out in the rotation drum barrel of eccentric rotary, after crushed, the weight of the aggregate dependence that size is suitable itself is fallen to bottom, its powder is put to other in-process again by upside transfer passage, then discharge, and can be segmented by processing procedure again and be separated respectively.It is carried out fragmentation and is separated by rotation drum barrel, and the aggregate of generation is not of uniform size, can not realize automatic screening, and its validity is lower.Meanwhile, waste wood drops that problem also can cause serious environmental pollution with dust, sand-lime fly upward etc. in broken, stacking and transport process.
Summary of the invention
The object of the invention is to have the problems referred to above for existing technology, a kind of building waste wood automatic crushing device has been proposed, it can carry out fragmentation to building waste wood, and can automatically carry out again broken and screening to the larger waste wood of particle, until meet discharging again after broken requirement.
Object of the present invention can realize by following technical proposal: a kind of building waste wood automatic crushing device, it is characterized in that, comprise feed hopper, disintegrating machine, there is the screening frame of blow tank and be arranged on the screen drum on screening frame, described blow tank is inclined at the below of screen drum, the below of described feed hopper is provided with an acclivitous conveyer belt one, the discharge end of described conveyer belt one is positioned at the charging aperture top of disintegrating machine, the discharging opening below of described disintegrating machine is provided with an acclivitous conveyer belt two, described screen drum horizontally set, one end is connected with the discharge end of conveyer belt two, the other end is connected with a downward-sloping charging conduit, the below of described charging conduit is provided with conveyer belt three, the discharge end of described conveyer belt three is positioned at the charging aperture top of disintegrating machine.
In the technical program, waste wood drops on conveyer belt one by feed hopper, then be sent to and in disintegrating machine, carry out fragmentation, waste wood after fragmentation is sent in screen drum and is sieved by conveyer belt two, the satisfactory dust of size or particle screened by screen drum and under leak to blow tank with discharging, the waste wood that particle is larger is dropped on charging conduit by the other end of screen drum, and carry out fragmentation by the triple disintegrating machines that are newly sent to of conveyer belt, waste wood after the fragmentation that repeats and screening until reach after satisfactory size and just discharge from blow tank.
In above-mentioned building waste wood automatic crushing device, on described screening frame, be provided with the motor one that can drive screen drum to rotate, described screen drum comprises that the main shaft that is connected with the rotating shaft of motor one, screen cloth and several can support screen cloth tubular bracing ring, are connected by several spokes between described bracing ring and main shaft.Motor one drives screen drum to rotate, thereby can make the waste wood after fragmentation roll and sieve in screen drum, avoids the waste wood after fragmentation to overstock.
In above-mentioned building waste wood automatic crushing device, described screen cloth is enclosed to form round platform tubular, and described main shaft horizontal cross arranges, and described screen drum is less than other end bore towards one end of conveyer belt two bore.Screen cloth is inclined to set, and in the time that screen drum rotates, both dust and the less particle of particle can be drained to blow tank with discharging by screen cloth, can also in rotation process, make particle be slipped on charging conduit under being tilted to of screen cloth simultaneously.
In above-mentioned building waste wood automatic crushing device, described screen cloth encloses becomes cylindrical tube shape, and described main shaft lateral inclination arranges, described screen drum towards one end of conveyer belt two height higher than other end height.In the time that screen drum rotates, both dust and the less particle of particle can be drained to blow tank with discharging by screen cloth, can also in rotation process, make particle be slipped on charging conduit under being tilted to of screen cloth simultaneously.
In above-mentioned building waste wood automatic crushing device, on described screening frame, being provided with can be towards the shower nozzle one of screen drum spray.Spray in the timesharing of waste wood bull screen, can reduce airborne dust.
In above-mentioned building waste wood automatic crushing device, on described screening frame, be provided with the motor two that can drive conveyer belt two to work, described motor two is arranged on the discharge end of conveyer belt two and is connected with the driving shaft of conveyer belt two, and the outer cover of described motor two is provided with a protective cover.Motor two is arranged on the upper end of conveyer belt two, and the discharge end part of conveyer belt two extends on screening frame, and motor two is arranged on screening frame, fixing more stable, the waste wood particle that protective cover splashes can avoid motor two to be rotated in screen drum time damages, simultaneously because this breaker volume is larger, and airborne dust is more, need under environment, to use in the open, be short-circuited by arranging when protective cover can avoid motor two to operate under rainy day environment, can also play dustproof effect simultaneously.
In above-mentioned building waste wood automatic crushing device, on described screening frame, be vertically provided with baffle plate one and baffle plate two, described baffle plate one has circular-arc recess, the other end of described screen drum is erected on recess, described baffle plate two is positioned at the outside of the other end of screen drum, and there is the through hole that can pass for the main shaft of screen drum, between described baffle plate one and baffle plate two, there is the blanking port being connected with charging conduit.Baffle plate one is arranged on the bracing ring below of screen drum end, the powder finished product that screen cloth can be sifted out is separated mutually with the bulky grain particle sifting out from screen drum end, the waste wood particle that when baffle plate two rotates screen drum, sift out screen drum inside blocks, and by waste wood particle guiding blanking port and drop on charging conduit, then be slipped on conveyer belt three through charging conduit.The groove of described charging conduit is to perpendicular with the direction of transfer of conveyer belt three
In above-mentioned building waste wood automatic crushing device, in described disintegrating machine, be provided with two cylindric breaker rolls that are parallel to each other, on described breaker roll outer wall, be circumferentially evenly equipped with several particle bars along it, the length direction of described particle bar parallels with the axial line of breaker roll, described in one of them, one end of breaker roll is connected with the rotating shaft of motor three, the other end and described in another one end of breaker roll be in transmission connection by a pair of pitch wheel.Be made up of bearing block respectively at the two ends of breaker roll, one of them breaker roll is driven by motor three, two breaker rolls connect by a pair of gear drive, can ensure the synchronism that both rotate, since particle bar is realized the attrition crushing to waste wood, can also play the effect of block, waste wood be pushed and is squeezed into by force between two breaker rolls and carry out fragmentation.
In above-mentioned building waste wood automatic crushing device, the particle bar on two described breaker rolls shifts to install, and the cross section of described particle bar is semicircle shape, and the height of described particle bar is equal to or less than two clearance distances between breaker roll.The height of particle bar is equal to or slightly less than two clearance distances between breaker roll, can make fragmentation more complete, and particle bar on two breaker rolls shifts to install, can dwindle two clearance distances between breaker roll, make the waste wood particle after fragmentation less, but also can make waste wood when the breaker roll as much as possible by the extruding of breaker roll, and can not spill from the gap between particle bar.
In above-mentioned building waste wood automatic crushing device, described disintegrating machine top is provided with the shower nozzle two towards the charging aperture spray of disintegrating machine.Before waste wood fragmentation, spray the airborne dust can reduce shattering process and broken discharging time.
Compared with prior art, the present invention has advantages of following:
1, coordinate transmission by three conveyer belts, realize the automatic pulverizing to building waste wood, simultaneously can be after screening by particle, larger and undesirable waste wood particle carries out again broken, the discharging again until meet the requirements, whole process can complete automatically by conveyer belt, without artificial screening, time saving and energy saving;
2, in the time of broken and screening, spray water and can reduce airborne dust, avoid environment;
3, the crushed particles of disintegrating machine is little, and crushing effect is good.
Brief description of the drawings
Fig. 1 is overall structure schematic diagram of the present invention.
Fig. 2 is the structural representation that sieves frame and conveyer belt two in the present invention.
Fig. 3 is the plan structure schematic diagram that sieves frame in the present invention.
Fig. 4 is the structural representation of disintegrating machine in the present invention.
Fig. 5 is the elevational schematic view of disintegrating machine in the present invention.
In figure, 1, feed hopper; 2, disintegrating machine; 2a, charging aperture; 2b, discharging opening; 3, screening frame; 3a, blow tank; 3b, charging conduit; 3c, blanking port; 3d, lateral bracket; 4, screen drum; 4a, main shaft; 4b, screen cloth; 4c, bracing ring; 4d, spoke; 5, conveyer belt one; 6, conveyer belt two; 7, conveyer belt three; 8, motor one; 9, shower nozzle one; 10, motor two; 11, protective cover; 12, baffle plate one; 13, baffle plate two; 14, breaker roll; 15, particle bar; 16, gear; 17, motor three; 18, shower nozzle two; 19, belt; 20, transfer plate; 21, motor four; 22, motor five.
Detailed description of the invention
Be below specific embodiments of the invention by reference to the accompanying drawings, technical scheme of the present invention is further described, but the present invention be not limited to these embodiment.
With reference to Fig. 1, the present embodiment is a kind of building waste wood automatic crushing device, and it is a kind of large-scale engineering machinery using in the open, is exclusively used in concrete segment waste product is carried out to fragmentation, to reach the object of re-using.This building waste wood automatic crushing device comprises feed hopper 1, disintegrating machine 2, screening frame 3, screen drum 4, conveyer belt 1, conveyer belt 26 and conveyer belt 37, the unsettled discharge end that is arranged on conveyer belt 26 of screening frame 3, screen drum 4 is horizontally installed on screening frame 3, conveyer belt 1 is driven and is tilted to upper transmission by motor 5 22, the feed end of conveyer belt 1 is positioned at the below of feed hopper 1, discharge end is positioned at the charging aperture 2a top of disintegrating machine 2, the building waste wood that conveyer belt 1 can leak down feed hopper 1 is sent in disintegrating machine 2, conveyer belt 26 is driven and is tilted to upper transmission by motor 2 10, the feed end of conveyer belt 26 is arranged on the discharging opening 2b below of disintegrating machine 2, discharge end extends on screening frame 3 and building waste wood can be sent in screen drum 4, between the discharge end of screen drum 4 and conveyer belt 26, be provided with a downward-sloping transfer plate 20, the building waste wood that conveyer belt 26 sends out first drops on transfer plate 20, landing is to screen drum 4 again.The below of screen drum 4 has a blow tank 3a, blow tank 3a carries out discharging for building materials powder or tiny particle that screen drum 4 is sifted out, screen drum 4 one end are used for accepting building waste wood, the other end is connected with a downward-sloping charging conduit 3b, and the bulky grain particle that charging conduit 3b can sieve out screen drum 4 is slipped on conveyer belt 37.Conveyer belt 37 is driven and is tilted to upper transmission by motor 4 21, and the feed end of conveyer belt 37 is positioned at the below of charging conduit 3b, and discharge end is positioned at the charging aperture 2a top of disintegrating machine 2.On screening frame 3, be provided with the shower nozzle 1 that can spray towards screen drum 4, shower nozzle disintegrating machine 2 tops are provided with the shower nozzle 2 18 towards the charging aperture 2a of disintegrating machine 2 spray, and shower nozzle 1 and shower nozzle 2 18 can reduce respectively the airborne dust in screening and shattering process.Shower nozzle 1 in the present embodiment is connected on the discharge end of conveyer belt 25, shower nozzle 1 and shower nozzle 2 18 are the Fine spray shower nozzle that can make the water of ejection be mist state, the Fine spray shower nozzle minimizing airborne dust of can spraying water, can avoid again hypervolia, and cause waste wood powder mutually to bind or bind on conveyer belt, in addition can using water wisely.
With reference to Fig. 1, Fig. 2 and Fig. 3, on screening frame 3, be provided with the motor 1 that can drive screen drum 4 to rotate, screen drum 4 comprises main shaft 4a, screen cloth 4b and screen cloth 4b can be supported to tubular bracing ring 4c, the two ends of main shaft 4a are supported on screening frame 3 by bearing block, main shaft 4a is connected by belt 19 with the rotating shaft of motor 1 and can under motor 1 drives, rotates, bracing ring 4c is arranged on the end, two ends of screen drum 4, and and between main shaft 4a, be connected by 6 spoke 4d, transfer plate 20 extend to screen drum 4 in.Main shaft 4a horizontal cross in the present embodiment arranges, screen cloth 4b is enclosed to form round platform tubular, be that screen drum 4 is less than other end bore towards one end of conveyer belt 26 bore, in the time that screen drum 4 rotates, powder or the less building waste wood of particle can be sized to blow tank 3a by screen cloth 4a, and oarse-grained building waste wood along with rotating, screen drum 4 slides to the other end charging conduit 3b that is positioned at screen drum 4 gradually.Main shaft 4a lateral inclination can also be arranged in actual applications, screen cloth 4b encloses becomes cylindrical tube shape.The sidepiece of screening frame 3 has a lateral bracket 3d for supporting motor 2 10, lateral bracket 3d comprises 2 rod shaped structure of being extended laterally by the sidepiece of screening frame 3, motor 2 10 on lateral bracket 3d and the driving shaft of conveyer belt 26 directly connect by shaft coupling, both a set of belt gear can be reduced, the stability of motor operation can be improved again.The outer cover of motor 2 10 is provided with a protective cover 11, for water proof and dust proof, can avoid motor 2 10 to be pounded damage by the building waste wood in screen drum 4.
With reference to Fig. 1, Fig. 2 and Fig. 3, on screening frame 3, be vertically provided with baffle plate 1 and baffle plate 2 13, baffle plate 1 has circular-arc recess 12a, one end of screen drum 4 is near conveyer belt 26, the other end is erected on recess 12a, baffle plate 2 13 is positioned at the outside of the other end of screen drum 4, and has the through hole that can pass for the main shaft 4a of screen drum 4, has the blanking port 3c being connected with charging conduit 3b between baffle plate 1 and baffle plate 2 13.
With reference to Fig. 4 and Fig. 5, in disintegrating machine 2, be provided with two cylindric breaker rolls 14 that are parallel to each other, the two ends of breaker roll 14 are arranged in disintegrating machine 2 by bearing block respectively, on breaker roll 14 outer walls, be circumferentially evenly equipped with the particle bar 15 of several cross section semicirculars in shape along it, particle bar 15 on two breaker rolls 14 shifts to install, and the height of particle bar 15 is equal to or slightly less than the clearance distance of two breaker rolls 14, the length direction of particle bar 15 parallels with the axial line of breaker roll 14, one end of the breaker roll 14 on right side is connected with the rotating shaft of motor 3 17, one end of the breaker roll 14 in the other end and left side is in transmission connection by a pair of pitch wheel 16, be connected and can ensure two breaker rolls 14 synchronism in relative rotation by gear 16.In the present embodiment, particle bar 15 is that welding rod melting is repeatedly soldered on the outer wall of breaker roll 14, particle bar 15 easily weares and teares after long-time use, make highly to reduce, thereby it is larger to cause building particle after waste wood fragmentation, can increase particle bar 15 at any time by melting welding rod, to ensure to build the needs of the size conforms recycling after waste wood fragmentation.
In the present embodiment, the direction of transfer of the direction of transfer of conveyer belt 1 and conveyer belt 26 is in the same plane, and the direction of transfer of the axial line of breaker roll 14 and conveyer belt 1 and the direction of transfer of conveyer belt 26 are perpendicular.Conveyer belt 1 and conveyer belt 26 are symmetricly set on the both sides of disintegrating machine, and the direction of transfer of the axial line of breaker roll 14 and conveyer belt 1 and the direction of transfer of conveyer belt 26 are perpendicular, can ensure that the building waste wood being fallen by conveyer belt 1 and conveyer belt 26 can fall on breaker roll in inertia motion, and can sidesway to the both ends of breaker roll 14, cause without the direct discharging of fragmentation, or be stuck on bearing block, and cause bearing damage.
In the present embodiment, the joint projection of conveyer belt 26, disintegrating machine 2, conveyer belt 37, screening frame 3 and charging conduit 3b is triangular in shape, and wherein the groove of charging conduit 3b is to perpendicular with the direction of transfer of conveyer belt 37.
The shattering process of the present embodiment is as follows: building waste wood is fallen on conveyer belt 26 by feed hopper 1, conveyer belt 26 obtains building waste wood transmission input in the charging aperture 2a of disintegrating machine 2, shower nozzle 1 continues water spray to reduce airborne dust in the launch process of building waste wood, building waste wood is squeezed after fragmentation and falls on conveyer belt 26 in disintegrating machine 2, conveyer belt 26 upwards transmits the building waste wood after fragmentation, and be slipped in screen drum 4 by transfer plate 20, wherein the building waste wood of dust and fine particle leaks to blow tank and is deposited in the below of sieving frame 3 from the net hole of screen cloth 4b, due to the unsettled setting of screening frame 3, can pass through forklift cross-docking to the building waste wood transhipment of dust and fine particle.Bulky grain in screen drum 4 building waste wood is tumbled to charging conduit 3b by the end of screen drum 4, then is slipped on conveyer belt 37, and conveyer belt 37 is built bulky grain in the charging aperture 2a that waste wood upwards transmitted and rendered to disintegrating machine 2, again carries out fragmentation.So move in circles, building materials waste wood can be crushed at this automatic crushing device the size that meets discharging requirement always.
Specific embodiment described herein is only to the explanation for example of the present invention's spirit.Those skilled in the art can make various amendments or supplement or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present invention or surmount the defined scope of appended claims.
Claims (10)
1. a building waste wood automatic crushing device, it is characterized in that, comprise feed hopper (1), disintegrating machine (2), there is the screening frame (3) of blow tank (3a) and be arranged on the screen drum (4) on screening frame (3), described blow tank (3a) is inclined at the below of screen drum (4), the below of described feed hopper (1) is provided with an acclivitous conveyer belt one (5), the discharge end of described conveyer belt one (5) is positioned at charging aperture (2a) top of disintegrating machine (2), discharging opening (2b) below of described disintegrating machine (2) is provided with an acclivitous conveyer belt two (6), described screen drum (4) one end is connected with the discharge end of conveyer belt two (6), the other end is connected with a downward-sloping charging conduit (3b), the below of described charging conduit (3b) is provided with conveyer belt three (7), the discharge end of described conveyer belt three (7) is positioned at charging aperture (2a) top of disintegrating machine (2).
2. building waste wood automatic crushing device according to claim 1, it is characterized in that, on described screening frame (3), be provided with the motor one (8) that can drive screen drum (4) to rotate, described screen drum (4) comprises that the main shaft (4a) that is connected with the rotating shaft of motor one (8), screen cloth (4b) and several can support screen cloth (4b) tubular bracing ring (4c), are connected by several spokes (4d) between described bracing ring (4c) and main shaft (4a).
3. building waste wood automatic crushing device according to claim 2, it is characterized in that, described screen cloth (4b) is enclosed to form round platform tubular, the setting of described main shaft (4a) horizontal cross, described screen drum (4) is less than other end bore towards one end bore of conveyer belt two (6).
4. building waste wood automatic crushing device according to claim 2, it is characterized in that, described screen cloth (4b) encloses and becomes cylindrical tube shape, the setting of described main shaft (4a) lateral inclination, described screen drum (4) towards one end height of conveyer belt two (6) higher than other end height.
5. according to the building waste wood automatic crushing device described in claim 1 or 2 or 3 or 4, it is characterized in that, on described screening frame (3), being provided with can be towards the shower nozzle one (9) of screen drum (4) spray.
6. according to the building waste wood automatic crushing device described in claim 1 or 2 or 3 or 4, it is characterized in that, on described screening frame (3), be provided with the motor two (10) that can drive conveyer belt two (6) work, described motor two (10) is arranged on the discharge end of conveyer belt two (6) and is connected with the driving shaft of conveyer belt two (6), and the outer cover of described motor two (10) is provided with a protective cover (11).
7. according to the building waste wood automatic crushing device described in claim 1 or 2 or 3 or 4, it is characterized in that, on described screening frame (3), be vertically provided with baffle plate one (12) and baffle plate two (13), described baffle plate one (12) has circular-arc recess (12a), the other end of described screen drum (4) is erected on recess (12a), described baffle plate two (13) is positioned at the outside of the other end of screen drum (4), and there is the through hole that can pass for the main shaft (4a) of screen drum (4), between described baffle plate one (12) and baffle plate two (13), there is the blanking port (3c) being connected with charging conduit (3b).
8. building waste wood automatic crushing device according to claim 1, it is characterized in that, in described disintegrating machine (2), be provided with two cylindric breaker rolls (14) that are parallel to each other, on described breaker roll (14) outer wall, be circumferentially evenly equipped with several particle bars (15) along it, the length direction of described particle bar (15) parallels with the axial line of breaker roll (14), one end of breaker roll described in one of them (14) is connected with the rotating shaft of motor three (17), the other end and described in another one end of breaker roll (14) be in transmission connection by a pair of pitch wheel (16).
9. building waste wood automatic crushing device according to claim 8, it is characterized in that, particle bar (15) on two described breaker rolls (14) shifts to install, the cross section of described particle bar (15) is semicircle shape, and the height of described particle bar (15) is equal to or less than the clearance distance between two breaker rolls (14).
10. according to the building waste wood automatic crushing device described in claim 1 or 2 or 3 or 4 or 8 or 9, it is characterized in that, described disintegrating machine (2) top is provided with the shower nozzle two (18) towards charging aperture (2a) spray of disintegrating machine (2).
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| CN201410353374.1A CN104096708B (en) | 2014-07-23 | 2014-07-23 | One kind building waste wood automatic crushing device |
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| CN201410353374.1A CN104096708B (en) | 2014-07-23 | 2014-07-23 | One kind building waste wood automatic crushing device |
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| CN105289818A (en) * | 2014-10-31 | 2016-02-03 | 董亚伦 | Waste material recovery environment-protection device special for architecture |
| CN106269185A (en) * | 2015-01-16 | 2017-01-04 | 周兆平 | The sand device processed of flowable operation |
| CN106269184A (en) * | 2015-01-16 | 2017-01-04 | 周兆平 | The sand device processed of flowable operation |
| CN106269185B (en) * | 2015-01-16 | 2018-09-04 | 周兆平 | The sand device processed of flowable operation |
| CN106269184B (en) * | 2015-01-16 | 2018-09-07 | 周兆平 | The sand device processed of flowable operation |
| CN104858009A (en) * | 2015-05-20 | 2015-08-26 | 阿克苏天山多浪水泥有限责任公司 | Raw material finish grinding system provided with roller press and finish grinding method |
| CN106861876A (en) * | 2017-04-06 | 2017-06-20 | 徐前呈 | Even it is unearthed automatically electricity treadle-operated tilt hammer for hulling rice and its treadle-operated tilt hammer for hulling rice indigenous method after formula |
| CN106861876B (en) * | 2017-04-06 | 2018-09-21 | 徐前呈 | Even it is unearthed automatically electric treadle-operated tilt hammer for hulling rice and its treadle-operated tilt hammer for hulling rice indigenous method after formula |
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| CN108480369A (en) * | 2018-03-13 | 2018-09-04 | 郑州傲宙建材有限公司 | A kind of waste residue soil cleaning screening technology |
| CN109012951A (en) * | 2018-07-14 | 2018-12-18 | 四川瀚科建设有限公司 | A kind of integrated treatment building waste devices and methods therefor |
| CN109013025A (en) * | 2018-07-14 | 2018-12-18 | 四川瀚科建设有限公司 | A kind of movable crusher of belt conveying |
| CN109967167A (en) * | 2019-05-15 | 2019-07-05 | 姜思旭 | A kind of construction waste crushing and sorting unit |
| WO2023159855A1 (en) * | 2022-02-22 | 2023-08-31 | 碎得机械(北京)有限公司 | Material pretreatment system |
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