CN110586628A - Sand making system suitable for construction waste treatment - Google Patents
Sand making system suitable for construction waste treatment Download PDFInfo
- Publication number
- CN110586628A CN110586628A CN201910976957.2A CN201910976957A CN110586628A CN 110586628 A CN110586628 A CN 110586628A CN 201910976957 A CN201910976957 A CN 201910976957A CN 110586628 A CN110586628 A CN 110586628A
- Authority
- CN
- China
- Prior art keywords
- sand
- dewatering screen
- screen
- belt
- making system
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000004576 sand Substances 0.000 title claims abstract description 106
- 239000002699 waste material Substances 0.000 title claims abstract description 20
- 238000010276 construction Methods 0.000 title claims abstract description 17
- 238000004140 cleaning Methods 0.000 claims abstract description 40
- 238000003756 stirring Methods 0.000 claims abstract description 18
- 238000003860 storage Methods 0.000 claims abstract description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 30
- 238000001914 filtration Methods 0.000 claims description 17
- 238000007599 discharging Methods 0.000 claims description 16
- 239000010813 municipal solid waste Substances 0.000 claims description 16
- 230000003014 reinforcing effect Effects 0.000 claims description 9
- 239000000463 material Substances 0.000 description 6
- 239000013049 sediment Substances 0.000 description 6
- 230000003139 buffering effect Effects 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 238000005406 washing Methods 0.000 description 3
- 230000018044 dehydration Effects 0.000 description 2
- 238000006297 dehydration reaction Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 239000011265 semifinished product Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Classifications
-
- 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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The invention provides a sand making system suitable for treating construction wastes, which can effectively prevent the problems that the subsequent construction wastes enter a cone machine to cause the increase of friction resistance, low through rate, reduced productivity and even obstruction of the cone machine, wherein a discharge hole of a feed bin of the sand making system is connected to a feed inlet of a feed belt, the discharge hole of the feed belt is connected to a feed inlet of a vibrating screen, the vibrating screen comprises a first discharge hole and a second discharge hole, the first discharge hole is connected to the feed inlet of a jaw crusher, the discharge hole of the jaw crusher is connected to the feed inlet of a discharge belt of the jaw crusher, the discharge hole of the discharge belt of the jaw crusher is connected to the feed inlet of a transit bin, and the discharge hole of the transit bin is connected to a storage bin; the second discharge port is connected to the feed port of the sand stirring machine, the discharge port of the sand stirring machine is connected to the feed port of the dewatering screen, the discharge port of the dewatering screen is connected to the feed port of the abrasive cleaning belt, and the discharge port of the abrasive cleaning belt is connected to the feed port of the jaw crusher.
Description
Technical Field
The invention relates to the field of construction waste treatment, in particular to a sand making system suitable for construction waste treatment.
Background
In the prior art, the sand making process is complicated, and the construction waste enters from a feeding bin, enters a first feeding belt through a jaw crusher and then directly enters a storage bin; then the building sand enters a cone machine through a second feeding belt with a robot sorting device, enters a vibrating screen through a cone discharging belt, enters the vibrating screen for sorting according to the size of the building waste, and is sorted and processed for multiple times to obtain the final building sand. But this scheme has certain problem, and when hubei province brokenly the machine when broken, contained a large amount of earth in the building rubbish semi-manufactured goods, when the earth content in the precomminution leads to the circular cone broken, the building rubbish frictional resistance increase in circular cone machine, and the through-put rate is low, and the productivity reduces, leads to the circular cone machine to be obstructed even.
Disclosure of Invention
The invention aims to provide a sand making system suitable for construction waste treatment, which can effectively prevent the problems of increased friction resistance, low through rate, reduced productivity and even obstruction of a cone machine caused by the fact that construction waste subsequently enters the cone machine.
The embodiment of the invention is realized by the following steps:
a sand making system suitable for construction waste treatment comprises a feeding bin, a feeding belt, a vibrating screen, a sand stirring machine, a jaw crusher, a discharge belt of the jaw crusher, a transfer bin, a storage bin, a dewatering screen and a sand cleaning belt, wherein a discharge port of the feeding bin is connected to a feed port of the feeding belt; the second discharge port is connected to the feed port of the sand stirring machine, the discharge port of the sand stirring machine is connected to the feed port of the dewatering screen, the discharge port of the dewatering screen is connected to the feed port of the abrasive cleaning belt, and the discharge port of the abrasive cleaning belt is connected to the feed port of the jaw crusher.
In a preferred embodiment of the invention, the vibrating screen comprises a vibrating box body, a vibrating screen body is arranged in the middle of the vibrating box body, the vibrating screen body is arranged in an inclined mode, one side, lower than the vibrating screen body, of the vibrating screen body is connected to a feeding hole of the jaw crusher, a sediment channel is arranged at the bottom of the vibrating box body, a first electromagnetic valve is arranged on the sediment channel, and the sediment channel is connected to a sand mixer.
In a preferred embodiment of the invention, the sand mixer comprises a sand mixer body, a water supply part arranged at the top of the sand mixer body and a stirring part arranged inside the sand mixer, the sand mixer body is in a tank shape, the second discharge port is connected to the side surface of the sand mixer body, a pressurizing part is arranged at the top of the sand mixer body, and the water supply part injects a high-pressure water source into the sand mixer through the pressurizing part.
In a preferred embodiment of the present invention, the dewatering screen includes a dewatering screen frame, a dewatering screen, a water filtering screen, and a water filtering screen frame, the dewatering screen is fixedly disposed in the middle of the dewatering screen frame, the water filtering screen is fixedly disposed in the middle of the water filtering screen frame, slide rails are disposed on two sides of the water filtering screen frame, and the dewatering screen frame is mounted on the slide rails and reciprocates on the slide rails.
In a preferred embodiment of the present invention, the dewatering screen is formed by a plurality of dewatering screen units, and the bottom of each dewatering screen unit is in a circular arc shape.
In a preferred embodiment of the present invention, the dewatering screen further includes a reinforcing mesh, the reinforcing mesh is detachably connected to the dewatering screen frame, and the mesh size of the reinforcing mesh is identical to the size of the dewatering screen unit.
In a preferred embodiment of the invention, the sand cleaning belt comprises a sand cleaning conveying belt, a sand cleaning box is arranged in the middle of the sand cleaning conveying belt, a plurality of groups of friction sand cleaning pieces are arranged above the inner part of the sand cleaning box, and two ends of the sand cleaning conveying belt are respectively connected with a discharge port of the dewatering screen and a feed port of the jaw crusher.
In a preferred embodiment of the present invention, the friction sand cleaning member comprises a lifting arm and a friction wire roller, wherein two ends of the lifting arm are respectively connected to the top of the sand cleaning box and a section of the friction wire roller, and two ends of the friction wire roller are respectively connected to the lifting arm.
In a preferred embodiment of the invention, the side wall of the sand cleaning box is further provided with a pulse electromagnet, and the pulse electromagnet is provided with an independent power supply.
The embodiment of the invention has the beneficial effects that: the sand making system directly enters the vibrating screen from the feeding bin after passing through the feeding belt, so that large building garbage and soil are separated, and the problems of increased friction resistance, low passing rate, reduced productivity and even obstruction of the cone machine caused by the fact that the building garbage subsequently enters the cone machine are solved; building rubbish separates the back through the shale shaker, it is broken in entering into hubei province broken machine with bold building rubbish, then in proper order through hubei province broken machine play material area enter into the transfer storehouse, the transfer storehouse at this moment is as buffering and storage usefulness, then silt washes through stirring the sand machine, the dehydration, enter into hubei province broken machine again after the sand removal and carry out the breakage, it enters into the transfer storehouse to go out the material area through hubei province broken machine, at last the feed bin that reenters, effectively solve among the prior art the influence of silt to circular cone machine.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
FIG. 1 is a schematic view of a prior art sand production system;
FIG. 2 is a schematic view of a sand production system according to an embodiment of the present invention;
FIG. 3 is a schematic illustration of a shaker to dewatering screen configuration according to an embodiment of the present invention;
FIG. 4 is a schematic illustration of a sand cleaning belt configuration according to an embodiment of the present invention;
icon: 100-a feeding bin; 200-a feed zone; 300-vibrating screen; 400-a sand mixer; 500-jaw crusher; 510-discharging the material belt by a jaw crusher; 600-a transfer bin; 700-a storage bin; 800-dewatering screen; 900-cleaning the abrasive belt; 310-vibrating the box body; 320-a vibrating screen body; 330-a silt channel; 340-a blower; 410-a sand mixer body; 420-a water supply part; 430-stirring member; 810-a dewatering screen frame; 820-dewatering screen; 830-a water filtration screen; 840-a water filtering screen frame; 850-reinforcing the grid; 910-cleaning a sand conveying belt; 920-sand cleaning box; 930-friction sand removal; 940-pulse electromagnet.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, 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 some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. 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.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or the orientations or positional relationships that the products of the present invention are conventionally placed in use, and are only used for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
Furthermore, the terms "horizontal", "vertical", "overhang" and the like do not imply that the components are required to be absolutely horizontal or overhang, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
First embodiment
As shown in fig. 1, the sand making process in the prior art is complicated, and the construction waste enters from a feeding bin, enters a first feeding belt through a jaw crusher, and then directly enters a storage bin; then the building sand enters a cone machine through a second feeding belt with a robot sorting device, enters a vibrating screen through a cone discharging belt, enters the vibrating screen for sorting according to the size of the building waste, and is sorted and processed for multiple times to obtain the final building sand. But this scheme has certain problem, and when hubei province brokenly the machine when broken, contained a large amount of earth in the building rubbish semi-manufactured goods, when the earth content in the precomminution leads to the circular cone broken, the building rubbish frictional resistance increase in circular cone machine, and the through-put rate is low, and the productivity reduces, leads to the circular cone machine to be obstructed even. In order to solve the problem, the traditional sand making and washing process is arranged after the cone is crushed, and the technical scheme is used for separately building a washing line to solve the problem. Meanwhile, a transfer bin is additionally arranged for buffering and storing. After a material washing line is added, the pre-crushed semi-finished product enters a storage bin through a transfer bin.
Referring to fig. 2 to 4, in the present embodiment, a sand making system suitable for building waste treatment is provided, which includes a feeding bin 100, a feeding belt 200, a vibrating screen 300, a sand mixer 400, a jaw crusher 500, a jaw crusher discharging belt 510, a transfer bin 600, a storage bin 700, a dewatering screen 800 and a sand cleaning belt 900, wherein a discharging port of the feeding bin 100 is connected to a feeding port of the feeding belt 200, a discharging port of the feeding belt 200 is connected to a feeding port of the vibrating screen 300, the vibrating screen 300 includes a first discharging port and a second discharging port, the first discharging port is connected to a feeding port of the jaw crusher 500, a discharging port of the jaw crusher 500 is connected to a feeding port of the jaw crusher discharging belt 510, a discharging port of the jaw crusher discharging belt 510 is connected to a feeding port of the transfer bin 600, and a discharging port of the transfer bin 600 is connected to the storage bin 700; the second discharge port is connected to the feed port of the sand mixer 400, the discharge port of the sand mixer 400 is connected to the feed port of the dewatering screen 800, the discharge port of the dewatering screen 800 is connected to the feed port of the abrasive cleaning belt 900, and the discharge port of the abrasive cleaning belt 900 is connected to the feed port of the jaw crusher 500.
In this embodiment, the vibrating screen 300 includes a vibrating box 310, a vibrating screen body 320 is arranged in the middle of the vibrating box 310, the vibrating screen body 320 is arranged in an inclined manner, one side of the vibrating screen body 320, which is lower in position, is connected to a feed inlet of the jaw crusher 500, a sediment channel 330 is arranged at the bottom of the vibrating box 310, a first electromagnetic valve is arranged on the sediment channel 330, and the sediment channel 330 is connected to the sand mixer 400. The vibrating screen 300 in this embodiment is used for sorting out silt and large building garbage, and the blower 340 is arranged on the placing direction of the vibrating screen body 320 and the top of the vibrating screen body 320 in this embodiment, and is used for drying moisture of the building garbage on the vibrating screen body 320.
In this embodiment, the sand mixer 400 includes a sand mixer body 410, a water supply part 420 disposed on the top of the sand mixer body 410, and a stirring part 430 disposed inside the sand mixer 400, the sand mixer body 410 is in a tank shape, the second discharge port is connected to the side of the sand mixer body 410, a pressure member 440 is disposed on the top of the sand mixer body 410, and the water supply part 420 injects a high-pressure water source into the sand mixer 400 through the pressure member 440. In this embodiment, a high pressure water source is also introduced to facilitate mixing of the silt by the stirring member 430 and to facilitate later dewatering. The stirring member, the pressurizing member and the water supply member in the present embodiment may be implemented by a conventional stirring device, pressurizing device and water supply device.
In this embodiment, the above-mentioned dewatering screen 800 includes dewatering screen frame 810, dewatering screen 820, water filtration screen 830, water filtration screen frame 840, and the fixed middle part that sets up at dewatering screen frame 810 of dewatering screen 820, the fixed middle part that sets up at water filtration screen frame 840 of water filtration screen 830, and the both sides of water filtration screen frame 840 are provided with the slide rail, and dewatering screen frame 810 is installed on the slide rail and is reciprocating motion on the slide rail.
In this embodiment, the dewatering screen 820 is formed of a plurality of dewatering screen units, and the bottom of each dewatering screen unit is formed in an arc shape.
In this embodiment, the dewatering screen 800 further includes a reinforcing mesh 850, the reinforcing mesh 850 is detachably connected to the dewatering screen frame 810, and the mesh size of the reinforcing mesh 850 is identical to the size of the dewatering screen unit.
In this embodiment, the sand cleaning belt 900 includes a sand cleaning conveying belt 910, a sand cleaning box 920 is disposed in the middle of the sand cleaning conveying belt 910, a plurality of friction sand cleaning members 930 are disposed above the inside of the sand cleaning box 920, and two ends of the sand cleaning conveying belt 910 are respectively connected to a discharge port of the dewatering screen 800 and a feed port of the jaw crusher 500.
In this embodiment, the frictional shakeout member 930 includes a lifting arm and a frictional wire roller, the two ends of the lifting arm are respectively connected to the top of the shakeout box 920 and a segment of the frictional wire roller, and the two ends of the frictional wire roller are respectively connected to the lifting arm. In this embodiment, the sidewall of the sand-cleaning box 920 is further provided with a pulse electromagnet 940, and the pulse electromagnet 940 is equipped with an independent power supply.
In conclusion, the sand making system in the invention directly enters the vibrating screen 300 from the feeding bin 100 through the feeding belt 200 to separate large building garbage from soil, so that the problems of increased friction resistance, low passing rate, reduced productivity and even obstruction of a cone machine caused by the fact that the building garbage subsequently enters the cone machine are solved; building rubbish is after shale shaker 300 separation, it is broken in broken machine 500 in hubei province to enter into with bold building rubbish, then broken machine play material area 510 in hubei province in proper order and enter into transfer storehouse 600, transfer storehouse 600 this moment is as buffering and storage usefulness, then silt washes through stirring sand machine 400, the dehydration, enter into hubei province broken machine 500 again after the sand cleaning and carry out the breakage, it enters into transfer storehouse 600 to go out material area 510 through hubei province broken machine, at last reentrant feed bin 700, effectively solve the influence of silt to circular cone machine among the prior art.
This description describes examples of embodiments of the invention, and is not intended to illustrate and describe all possible forms of the invention. It should be understood that the embodiments described in this specification can be implemented in many alternative forms. The figures are not necessarily to scale; some features may be exaggerated or minimized to show details of particular components. Specific structural and functional details disclosed are not to be interpreted as limiting, but merely as a representative basis for teaching one skilled in the art to variously employ the present invention. It will be appreciated by persons skilled in the art that a plurality of features illustrated and described with reference to any one of the figures may be combined with features illustrated in one or more other figures to form embodiments which are not explicitly illustrated or described. The described combination of features provides a representative embodiment for a typical application. However, various combinations and modifications of the features consistent with the teachings of the present invention may be used as desired for particular applications or implementations.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. The sand making system is characterized by comprising a feeding bin, a feeding belt, a vibrating screen, a sand stirring machine, a jaw crusher discharging belt, a transit bin, a storage bin, a dewatering screen and a sand cleaning belt, wherein a discharging port of the feeding bin is connected to a feeding port of the feeding belt; the second discharge gate is connected to stir the feed inlet of sand machine, the discharge gate of stirring the sand machine is connected to the feed inlet of dewatering screen, the discharge gate of dewatering screen is connected to the feed inlet of clear abrasive band, the discharge gate of clear abrasive band is connected to the feed inlet of hubei province broken machine.
2. The sand making system suitable for building garbage disposal according to claim 1, wherein the vibrating screen comprises a vibrating box body, a vibrating screen body is arranged in the middle of the vibrating box body, the vibrating screen body is arranged in an inclined manner, the lower side of the vibrating screen body is connected to the feed inlet of the jaw crusher, a silt channel is arranged at the bottom of the vibrating box body, a first electromagnetic valve is arranged on the silt channel, and the silt channel is connected to the sand stirring machine.
3. The sand making system suitable for construction waste treatment according to claim 1, wherein the sand mixer comprises a sand mixer body, a water supply part arranged at the top of the sand mixer body, and a stirring part arranged inside the sand mixer, the sand mixer body is in a tank shape, the second discharge port is connected to the side surface of the sand mixer body, a pressurizing part is arranged at the top of the sand mixer body, and the water supply part injects a high-pressure water source into the sand mixer through the pressurizing part.
4. The sand making system suitable for construction waste treatment according to claim 1, wherein the dewatering screen comprises a dewatering screen frame, a dewatering screen, a water filtering screen and a water filtering screen frame, the dewatering screen is fixedly arranged in the middle of the dewatering screen frame, the water filtering screen is fixedly arranged in the middle of the water filtering screen frame, slide rails are arranged on two sides of the water filtering screen frame, and the dewatering screen frame is mounted on the slide rails and reciprocates on the slide rails.
5. The sand making system suitable for construction waste disposal according to claim 4, wherein said dewatering screen is formed of a plurality of dewatering screen units, and a bottom of said dewatering screen units is formed in a circular arc shape.
6. The sand making system suitable for construction waste disposal according to claim 5, wherein said dewatering screen further comprises a reinforcing mesh, said reinforcing mesh being detachably connected to said dewatering screen frame, and the mesh size of said reinforcing mesh is identical to the size of said dewatering screen unit.
7. The sand making system suitable for building garbage disposal according to claim 1, wherein the sand cleaning belt comprises a sand cleaning conveying belt, a sand cleaning box is arranged in the middle of the sand cleaning conveying belt, a plurality of groups of friction sand cleaning pieces are arranged above the inside of the sand cleaning box, and two ends of the sand cleaning conveying belt are respectively connected with the discharge port of the dewatering screen and the feed port of the jaw crusher.
8. The sand making system suitable for construction waste disposal according to claim 7, wherein said frictional sand removing member comprises a lifting arm and a frictional wire roller, both ends of said lifting arm are respectively connected to the top of said sand removing box and a segment of said frictional wire roller, both ends of said frictional wire roller are respectively connected to said lifting arm.
9. The sand making system suitable for construction waste disposal according to claim 8, wherein a pulse electromagnet is further provided on a side wall of the sand cleaning box, and the pulse electromagnet is equipped with an independent power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910976957.2A CN110586628A (en) | 2019-10-15 | 2019-10-15 | Sand making system suitable for construction waste treatment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910976957.2A CN110586628A (en) | 2019-10-15 | 2019-10-15 | Sand making system suitable for construction waste treatment |
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| CN110586628A true CN110586628A (en) | 2019-12-20 |
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| CN201910976957.2A Pending CN110586628A (en) | 2019-10-15 | 2019-10-15 | Sand making system suitable for construction waste treatment |
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Cited By (1)
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| CN109226196A (en) * | 2018-10-08 | 2019-01-18 | 成都瑞索斯再生资源回收有限公司 | A kind of reconstruction production line handling a variety of building wastes and technique |
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