CN112159136A - Movable type integrated modular machine-made reclaimed sand device - Google Patents
Movable type integrated modular machine-made reclaimed sand device Download PDFInfo
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- CN112159136A CN112159136A CN202011005144.8A CN202011005144A CN112159136A CN 112159136 A CN112159136 A CN 112159136A CN 202011005144 A CN202011005144 A CN 202011005144A CN 112159136 A CN112159136 A CN 112159136A
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09B—DISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
- B09B3/00—Destroying solid waste or transforming solid waste into something useful or harmless
- B09B3/30—Destroying solid waste or transforming solid waste into something useful or harmless involving mechanical treatment
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C1/00—Magnetic separation
- B03C1/02—Magnetic separation acting directly on the substance being separated
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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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- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The invention discloses a mobile integrated modular machine-made reclaimed sand device, which comprises a movable wheeled container, wherein the movable wheeled container is a container and is arranged on a flat trailer, and a crusher, a belt hoist and a roller sand making machine are respectively arranged in the container; the container front end installation collecting hopper, the breaker is installed under the collecting hopper discharge gate, the ejection of compact of breaker passes through the belt elevator is carried in the cylinder system sand machine. The device can realize the recycling of urban solid waste, tailing waste and the like. Equipment integrates, modularization, lightweight, intellectuality, it is convenient, small to remove. Flexible entrance and exit, high construction efficiency, low use cost, low energy consumption, less water consumption and low discharge. Can satisfy multiple operational environment, has the function of a tractor serves several purposes, improves the utilization ratio of the resourceization of material. Can effectively remove various harmful heavy metals. Has the advantages of low noise, less dust emission and the like, and has little influence on the surrounding environment.
Description
Technical Field
The invention belongs to the field of special mechanical equipment for efficiently converting solid stone materials into materials such as machine-made sand silica powder and the like, and particularly relates to a movable integrated modular machine-made reclaimed sand device.
Background
With the development of society and the continuous improvement of the living consumption of people, the garbage generated every year also grows explosively. According to the research and analysis of the 'Committee for the management of construction waste and resource utilization of the China Association for urban environmental Sanitation (SOA),' the annual production of construction waste including construction waste and engineering waste soil in 2015 is about 35 hundred million tons. Wherein 15 million tons of construction waste are generated by demolition only every year. The resource utilization rate of the construction waste is only 5 percent. A digestion mode: basically, the method is mainly used for landfill and stacking. The mode has the main harm that a large amount of land is occupied, so that land resources are wasted, and the logo and the flying dust in the illegal transportation and stacking process aggravate environmental pollution and influence the city appearance environment.
Therefore, the method is obvious that the urban construction solid waste is huge in scale in China, and the comprehensive utilization of the construction waste is an effective way for saving resources and protecting ecology. In this respect, developed countries such as japan, usa, and germany have been making resource utilization earlier, and many advanced experiences and treatment methods have been provided as references. The sand making system for producing solid waste and reproducing available sand and stone is the main existing mechanical equipment and plays an important role in solid waste treatment. The existing sand making machine mainly has the following problems: the energy consumption is large, the installation time of the previous equipment is long, and the investment is high; the noise and dust have serious influence on the surrounding environment; the requirement on production site conditions is high, and the production land is large; complicated operation procedures, etc. This series of problems indicates that existing sand making systems have not met the ever-increasing work efficiency and environmental requirements.
As is well known, most of urban buildings are solid wastes, and originate from three links in the construction engineering: the construction of buildings, the use and maintenance of buildings, and the demolition of buildings. In the construction process, the produced construction waste mainly comprises excavated earthwork, broken bricks, concrete, mortar, rafters, common materials and the like; the building waste generated in the using process mainly comprises decoration materials, asphalt, rubber and the like; construction waste such as waste concrete, masonry, tile, just, wood, glass, plastic products, and the like. Therefore, the construction waste is a reusable resource, and the utilization method comprises the following steps: direct utilization and recycling. The following can be directly utilized: the backfill material is directly utilized; ② the building material can be directly used as a building product. The regeneration and utilization have the following aspects: firstly, waste concrete blocks; waste bricks; and thirdly, waste mortar.
And (3) regeneration and utilization:
waste concrete
The method is simple and easy to implement, and the waste concrete regenerant is used as recycled concrete aggregate. The recycled aggregate produced by using the waste concrete blocks as raw materials replaces natural sandstone aggregate. According to the field construction experience, the performance of the recycled concrete prepared by only using the recycled coarse aggregate is not changed much compared with the performance of the common concrete. Meanwhile, the application range of the recycled concrete can be expanded, and recycled coarse aggregate and natural sand are mixed to form part of recycled fine aggregate. The recycled coarse aggregate and part of the natural sand are combined to prepare recycled concrete with relatively high strength. In addition, the fine aggregate and the generated micro powder in the regeneration process contain unhydrated cement particles, have better activity property, low density and small heat conductivity coefficient, can be used for manufacturing building blocks, hollow bricks and wallboards to replace the traditional clay bricks, and have better economic value. At present, the technical scheme with higher technical level and better economic benefit is as follows: the waste common concrete is used as an additive to replace a certain amount of cement.
② waste brick
Waste bricks and tiles are usually used for regenerating mixed materials of non-fired bricks and tiles and cement and used as coarse aggregates for stirring concrete. Broken bricks are used as low-strength concrete aggregate, and the strength of the concrete aggregate is sufficient; however, in order to produce high-strength concrete, the related technical measures are required. The broken bricks after construction and removal are used for producing the load-bearing concrete blocks, have the characteristics of low price, good economy, light weight and strength meeting the MU10 strength grade standard required by the load-bearing concrete blocks, and can provide a solution for cheap manufacturing of building materials in urban construction and earthquake-stricken areas.
③ waste mortar
During the demolition of buildings, a large amount of powdered cement mortar is generated. The hardened cement is wrapped around the sand particles, so that the particle size of the aggregate is increased; meanwhile, the cement improves the grade energy of the particle aggregate through hydration, and can be used as a fine aggregate. In addition, the cement mortar block generated in the dismantling process can be used as a coarse aggregate in a large size, and can be used as a fine aggregate after being technically treated in a small size.
In addition, a certain proportion of waste bricks and fine mortar particles can be adopted to replace sand wall-shaped aggregate made of natural sand stones after technical treatment, and the water resistance and alkali resistance of the aggregate meet the relevant technical characteristics. The technology is feasible, not only reduces the cost, saves natural sandstone resources and conflicts of supply and demand of environmental resources, but also can reduce the pollution of construction waste to the environment, and has good social, environmental and economic benefits.
Therefore, urban solid wastes (waste concrete blocks, waste bricks and waste mortar) are one of the high-quality raw materials of machine-made sand. Firstly, primarily crushing stone materials by a coarse crusher, then conveying the generated coarse materials to a fine crusher by a rubber belt conveyor for further crushing, screening the finely crushed stone materials into two kinds of stones by a vibrating screen, carrying out sand making on the stone materials meeting the feeding granularity of a sand making machine by a sand making machine, and finely crushing the other part of returned materials until the materials are molded. The machine-made sand finished product is more regular, can be processed into sands with different rules and sizes according to different process requirements, and can better meet daily requirements. The machine-made sand can be applied to concrete with the strength grade of C60 and below in construction projects such as buildings, municipal works, traffic and the like, and can also be applied to concrete projects such as ports, water conservancy and the like when corresponding technical requirements are met, so that the machine-made sand has wider application.
Disclosure of Invention
The invention mainly aims to provide a mobile integrated modularized machine-made reclaimed sand device, which is an integrated and modularized crushing, grinding and screening integrated complete device and can realize the production of machine-made sand and silicon micropowder and soil upgrading in the conventional urban solid waste, mine tailing prepared machine-made sand, silicon micropowder production and agricultural soil upgrading operation.
The technical problem to be solved by the invention is realized by adopting the following technical scheme:
a movable integrated modular mechanism reclaimed sand device comprises a movable wheeled container, wherein the movable wheeled container is a container and is arranged on a flat trailer, and a crusher, a belt elevator and a roller sand making machine are respectively arranged in the container; the container front end installation collecting hopper, the breaker is installed collecting hopper discharge gate below, the ejection of compact of breaker passes through the belt elevator is carried in the cylinder system sand machine.
The collecting hopper is detachable, and the height of the collecting hopper can be adjusted in an omnidirectional mode and in an up-down mode.
The crusher adopts a multi-tooth roller stranding-cutting type crusher before grinding, and high-hardness occlusion teeth in the crusher are made of tungsten-cobalt alloy materials.
The driving mechanism of the crusher adopts a permanent magnet synchronous four-stage variable frequency variable speed motor.
The belt elevator adopts a climbing belt conveyor.
The roller sand making machine is a circulating water wet method roller sand making machine and is installed on the buoyant raft vibration reduction base, and the buoyant raft vibration reduction base is installed in the container.
Still include noise insulation, noise insulation includes: the roller sand making machine and the belt hoist are externally wrapped with a sound-proof and dust-proof cover, the sound-proof and dust-proof cover is made of a steel plate, damping paint is coated on the inner wall of the steel plate, and a layer of glass wool sound-absorbing material is laid on the inner wall of the steel plate.
And a shock absorber is additionally arranged on the roller sand making machine.
Still include the magnet separator, the magnet separator adopts high gradient strong magnet separator, installs the finished product discharge gate top of cylinder system sand machine, the finished product ejection of compact of cylinder system sand machine is carried through band conveyer the magnet separator.
The invention has the beneficial effects that:
(1) the recycling of urban solid waste, tailing waste and the like is realized.
(2) The device is integrated, modularized, intelligent, convenient to move and small in size.
(3) Flexible entrance and exit, high construction efficiency, low use cost, low energy consumption and low emission.
(4) Can satisfy multiple operational environment, has the function of a tractor serves several purposes, improves the utilization ratio of the resourceization of material.
(5) Can effectively remove various harmful heavy metals in the machine-made reclaimed sand.
(6) The method has the characteristics of low noise, less dust emission and the like, and has small influence on the surrounding environment of a construction site.
Drawings
Fig. 1 is a schematic structural diagram of a mobile integrated modular machine-made reclaimed sand device according to the present invention.
Fig. 2 is a B1 axial sectional view of fig. 1.
Fig. 3 is a B2 axial sectional view of fig. 1.
Fig. 4 is a schematic view of a high hardness biting tooth structure in the crusher of fig. 2 or 3.
In the figure, 1: platform trailer, 2: a container, 3: water adding pipe orifice, 4: aggregate bin, 5: a crusher, 6: returning cage material belt conveyor, 7: sound-proof and dust-proof cover, 8: roller sand making machine, 9: magnetic separator, 10: fine sand silo, 11: impurity bin, 12: circulating water tank, 13: finished product discharge port, 14: belt conveyor, 15: drive motor, 16: high hardness occlusion tooth, 17: and a second discharge hole.
Detailed Description
The invention is further illustrated by the following figures and examples, which should not be construed as limiting the scope of the invention as claimed.
Example 1
As shown in fig. 1 to 4, a mobile integrated modular machine-made reclaimed sand device comprises a mobile wheeled container, a platform trailer, a crusher, a belt elevator and a roller sand making machine; the concrete composition structure is as follows:
(1) the movable wheeled container is used for carrying out structural reinforcement on a standard container, the container body 2 is fixed on the corresponding flat-bed trailer 1, the flat-bed trailer 1 adopts an oil-gas spring non-independent suspension mode, and the whole set of device is stable, rapid, flexible and movable. This example is a reasonable transformation and structural reinforcement of a standard 40 foot container body with an outside dimension profile of 12.2m 2.44m 2.59m, an internal volume of 11.8m 2.13m 2.18m and a volume of about 54m3The upper limit of the load is 22 tons. The movable wheeled container 2 is installed modularly to achieve flexible mobility of the production apparatus. Therefore, the equipment installation time and the transportation cost in the early stage are reduced, the production and construction land is correspondingly reduced, and the operation is simple and flexible.
(2) Collection hopper 4 is detachable, sets up platform trailer 1's end, and collection hopper 4 passes through bolt, nut and is connected with the end, and height-adjustable about the qxcomm technology reaches, and collection hopper volume is 1.5m in this embodiment3。
(3) The crusher 5 is a multi-tooth roller stranding-cutting type crusher before grinding, the multi-tooth roller stranding-cutting type crusher before grinding is composed of a permanent magnet synchronous four-level variable-frequency variable-speed motor and a heavy-duty straight roller crusher, and the high-hardness occlusion teeth 16 in the heavy-duty straight roller crusher are made of tungsten-cobalt alloy and have the characteristics of high hardness and high crushing efficiency. In the embodiment, the feeding granularity of the high-hardness meshing teeth 16 is less than 500mm, the discharging granularity can be adjusted according to different specifications, the range is 20-50mm, the production capacity is 30-70t/h, the rotating speed is 64r/min, and the rated power is 37 kw. Wherein the transmission of the crusher 5 uses a flexible connection. The collecting hopper 4 is provided with a water feeding pipe port 3 which is connected with a water feeding pipe to wash the raw materials; the crusher 5 is arranged under the discharge port of the collecting hopper 4 and is mainly used for crushing massive solid with the diameter of more than or equal to 50mm in solid waste, crushing and washing. The waste water enters a circulating water tank 12 below the crusher 5 for recycling, purification and utilization. The power of the permanent magnet synchronous four-stage variable-frequency variable-speed variable-frequency drive motor is 42 kw-200 kw, the 50Hz synchronous rotating speed is 1500r/min, the rated current is 54.7A-300A, and the rated torque is 291 N.m-1282 N.m.
(4) The broken gravel after 5 crushings of breaker utilizes belt elevator to carry cylinder system sand machine 8, cylinder system sand machine 8 is circulating water wet process cylinder system sand machine, belt elevator adopts climbing belt conveyor, and the belt bandwidth is 700mm in this embodiment, and the freight volume is 40t/h ~ 60 t/h. The roller sand making machine 8 and the belt elevator are respectively arranged on a floating raft vibration reduction base, a sliding bearing is used for a bearing of the roller sand making machine 8, floating sealing is adopted in a sealing mode, and No. 00 lubricating grease is used. The roller sand making machine 8 has a screening function to screen machine-made sand, qualified finished products are discharged from a finished product discharge port 13, unqualified sand materials are discharged from a second discharge port 17, and the unqualified sand materials are sent back to the crusher 5 for secondary crushing through a cage material returning belt conveyor 6.
(5) In order to reduce the noise to meet the requirements of related environmental protection laws and regulations, the noise of the device is less than 70dB, a sound-proof and dust-proof cover 7 is adopted, and the roller sand making machine 8 and the belt hoister are externally wrapped by the sound-proof and dust-proof cover 7 to reduce the influence on the surrounding environment. In this embodiment, the sound-proof and dust-proof cover 7 is made of a steel plate with a thickness of 1 mm-2 mm, is internally coated with damping paint to prevent anastomosis effect and low-frequency resonance, a layer of glass wool sound-absorbing material is laid on the inner layer, a gap is reserved between the sound-proof and dust-proof cover 7 and the internal equipment wrapped by the sound-proof and dust-proof cover, and a shock absorber can be added if necessary.
(6) In the process of processing materials of stone materials such as urban solid waste, mine tailings, agricultural soil improvement and the like, metal impurities or harmful metals may be contained, in order to remove the metal impurities or the harmful metals, a strong magnetic separator 9 is arranged above a finished product discharge port 13 of the roller sand making machine 8, and a feeding port of the magnetic separator 9 is connected with the finished product discharge port 13 through a belt conveyor 14. The obtained machine-made sand is conveyed to the magnetic separator 9 through a belt conveyor 14 to carry out magnetic separation and impurity removal, the obtained fine sand enters a fine sand bin 10, and impurities enter an impurity bin 11. The magnetic separator 9 is a high-gradient strong magnetic separator with the magnetic induction intensity of 14000GS, the size of 1500mm multiplied by 550mm multiplied by 1200mm, and the belt width of 700 mm.
The movable integrated modularized machine-made reclaimed sand device can realize movable, integrated and modularized operation, can utilize waste concrete, bricks, mine solid waste and tailings to prepare machine-made sand on site, can also carry out site soil upgrading on agricultural soil, is matched with a back-shovel excavator to mechanically treat soil (less than or equal to 800mm) on the surface layer of a farmland, and carries out crushing and grinding treatment on blocky stones in the soil (the particle size of the treated mud and sand is less than or equal to 4.75mm), and simultaneously can remove harmful heavy metals in the soil, and the processed mud and sand is pumped to return to the field. The highest capacity of the device is 60t/h, the lowest capacity is 40t/h, the reasonable operation capacity is 50t/h, and the total power of the machine is 360 kw. The water for production is recycled, only the water consumption in the sand making process needs to be supplemented, and no gas, liquid and solid pollutants are discharged. The device is adopted to treat waste concrete blocks and waste brick blocks of a certain construction site, and the waste building materials are about 120m3The process is as follows:
(1) the device is transferred to a construction site for assembly by using the characteristic of flexible field transfer of equipment, and the occupied area of the assembled device is about 50 square meters.
(2) 3 four-stage motors with rated power of 100kw and one four-stage motor with rated power of 6kw are selected, the installed power is 360kw, and a three-core cable is used for completing the connection of the whole circuit.
(3) Carry out preliminary breakage to building site's waste material, the diameter of waste material is less than 1.2m when guaranteeing the pan feeding, later through collecting hopper 4 get into breaker 5 in carry out breakage and washing, the waste material is less than 50mm after broken by high rigidity interlock tooth and is transported to cylinder system sand machine 8 by belt elevator.
(4) Carrying out fine crushing in the roller sand making machine 8, obtaining machine-made sand with different particle sizes according to different product requirements, enabling the obtained primary product to enter a magnetic separator 9 for magnetic separation, separating out mineral impurities, enabling the final product to enter a fine sand bin 10, and enabling the impurities to enter an impurity bin 11.
(5) The roller crusher 8 is covered with a sound-proof and dust-proof cover 7 to ensure that the noise is less than 70 decibels during operation, the treatment capacity is about 40t/h, and the waste material of the construction site is 120m3The treatment can be completed in 3 working days and approximately 480 tons of machine-made sand product can be obtained.
Example 2
The tailings in a certain place are treated, and the treatment capacity is about 500m3Because of the large processing capacity, 2 sets of this device were used. The device composition and structure are as in example 1, and the processing flow is as follows:
(1) the device is transferred to a tailing construction site for assembly by using the characteristic of flexible field transfer of equipment, and two sets of devices are prepared for completing the assembly and occupying about 100 square meters due to large treatment capacity.
(2) 6 permanent magnet synchronous four-stage variable-frequency variable-speed motors with rated power of 100kw and 2 permanent magnet synchronous four-stage variable-frequency variable-speed motors with rated power of 60kw are selected, the installed power is 720kw, and a three-core cable is used for completing the connection of a driving circuit.
(3) The waste material to the tailing building site carries out preliminary breakage, and the diameter of waste material is less than 1.2m when guaranteeing the pan feeding, later gets into and carries out breakage and washing in the collecting hopper 4, and the particle diameter is less than 40mm after the waste material is broken by high rigidity interlock tooth 16, transports to cylinder system sand machine 8 by belt elevator 6.
(4) The waste materials are finely crushed in the roller sand making machine 8, the machine-made sand with different particle sizes is obtained according to different product requirements, the obtained primary product enters the magnetic separator 9 for magnetic separation, mineral impurities are separated out, the final product enters the fine sand bin 10, and the impurities enter the impurity bin 11.
(5) The roller crusher 8 is covered with the sound-proof and dust-proof cover 7, so that the noise is less than 70 decibels during operation, the treatment capacity is about 50t/h, the waste material of the tailing site can be treated for about 4 working days, and about 2250 ton of machine-made sand products can be obtained.
Claims (9)
1. The utility model provides a sand device is regenerated to portable integrated module ization mechanism which characterized in that: the system comprises a movable wheeled container, wherein the movable wheeled container is a container and is arranged on a flat trailer, and a crusher, a belt hoist and a roller sand making machine are respectively arranged in the container; the container front end installation collecting hopper, the breaker is installed collecting hopper discharge gate below, the ejection of compact of breaker passes through the belt elevator is carried in the cylinder system sand machine.
2. The mobile integrated modular machine-made reclaimed sand device of claim 1, wherein: the collecting hopper is detachable, and the height of the collecting hopper can be adjusted in an omnidirectional mode and in an up-down mode.
3. The mobile integrated modular machine-made reclaimed sand device of claim 1, wherein: the crusher adopts a multi-tooth roller stranding-cutting type crusher before grinding, and high-hardness occlusion teeth in the crusher are made of tungsten-cobalt alloy materials.
4. The mobile integrated modular machine-made reclaimed sand device of claim 1, wherein: the driving mechanism of the crusher adopts a permanent magnet synchronous four-stage variable frequency variable speed motor.
5. The mobile integrated modular machine-made reclaimed sand device of claim 1, wherein: the belt elevator adopts a climbing belt conveyor.
6. The mobile integrated modular machine-made reclaimed sand device of claim 1, wherein: the roller sand making machine is a circulating water wet method roller sand making machine and is installed on the buoyant raft vibration reduction base, and the buoyant raft vibration reduction base is installed in the container.
7. The mobile integrated modular machine-made reclaimed sand device of claim 1, wherein: still include noise insulation, noise insulation includes: the roller sand making machine and the belt hoist are externally wrapped with a sound-proof and dust-proof cover, the sound-proof and dust-proof cover is made of a steel plate, damping paint is coated on the inner wall of the steel plate, and a layer of glass wool sound-absorbing material is laid on the inner wall of the steel plate.
8. The mobile integrated modular machine-made reclaimed sand device of claim 7, wherein: and a shock absorber is additionally arranged on the roller sand making machine.
9. The mobile integrated modular machine-made reclaimed sand device of claim 1, wherein: still include the magnet separator, the magnet separator adopts high gradient strong magnet separator, installs the finished product discharge gate top of cylinder system sand machine, the finished product ejection of compact of cylinder system sand machine is carried through band conveyer the magnet separator.
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| CN202310278477.5A CN116213416A (en) | 2020-09-23 | 2020-09-23 | Movable integrated modularized mechanism reclaimed sand device and reclaimed sand preparation method |
| CN202011005144.8A CN112159136A (en) | 2020-09-23 | 2020-09-23 | Movable type integrated modular machine-made reclaimed sand device |
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| CN202011005144.8A CN112159136A (en) | 2020-09-23 | 2020-09-23 | Movable type integrated modular machine-made reclaimed sand device |
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| CN206199414U (en) * | 2016-11-14 | 2017-05-31 | 潍坊国特矿山设备有限公司 | Novel rotary drum sand making machine |
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