CN213290768U - Stone-like processing system for capital construction - Google Patents
Stone-like processing system for capital construction Download PDFInfo
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- CN213290768U CN213290768U CN202021454206.9U CN202021454206U CN213290768U CN 213290768 U CN213290768 U CN 213290768U CN 202021454206 U CN202021454206 U CN 202021454206U CN 213290768 U CN213290768 U CN 213290768U
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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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Abstract
The utility model discloses a capital construction is with imitative stone system of processing, include: the screening equipment is used for screening the construction waste to obtain recycled aggregate; the stirring equipment is used for automatically stirring and mixing the recycled aggregate and the cementing material to form a stone-like concrete material; the profiling device is provided with a die and a hydraulic machine, the die comprises an upper die and a lower die, the lower die is used for containing the stone-like concrete material, the hydraulic machine is used for driving the upper die to move up and down relative to the lower die, and the profiling device is used for profiling the stone-like concrete material into a blank through the die; and the surface treatment equipment is used for polishing the surface of the blank. The appearance of the imitation stone for infrastructure is closer to the real stone to improve the aesthetic property, and meanwhile, the comprehensive strength performance of the imitation stone for infrastructure is improved to improve the durability and the use reliability, and the aim of producing the imitation stone for infrastructure in a green and environment-friendly manner is fulfilled.
Description
Technical Field
The utility model relates to an imitative stone processing technology field especially relates to a imitative stone system of processing is used to capital construction.
Background
With the acceleration of the urbanization process, the urban infrastructure is suddenly advanced. As an important part of road construction, a lot of stones such as curbstones and slates are used in the process of constructing roads. At present, curbstones and stone slabs are mainly made of natural stones in peripheral stone quarries, but the steps of blasting, crushing, cutting and the like are needed for quarrying the natural stones, the energy consumption of the whole manufacturing and production process is high, the economic benefit is low, and a large amount of broken stones are accumulated, and noise and dust pollution are generated to harm the life of peripheral crops, vegetation and residents. With the continuous development of concrete technology, products such as curbstones and slates made of concrete are also used in infrastructure construction. However, due to the curbstones and slabs made of concrete, at least the following technical problems exist: the first problem is that the product made of concrete has low structural strength and is easy to be damaged, so that the durability is poor; the second problem is that the products made of concrete have a poor aesthetic appearance compared to products made of stone. Therefore, the above-mentioned techniques have not been widely popularized and used. In view of this, how to design a stone-like technology for capital construction that imitates the appearance of stone and improves the durability of products is the technical problem to be solved by the utility model.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the technical problem that will solve is: the utility model provides a imitative stone system of processing is used in capital construction, realizes that the outward appearance of imitative stone is used in capital construction more to press close to real stone material in order to improve the aesthetic property, simultaneously, improves the comprehensive strength performance of imitative stone is used in capital construction in order to improve durability and use reliability to reach the purpose of imitative stone is used in green production capital construction.
The utility model provides a technical scheme is, a imitative stone system of processing is used in capital construction, include:
the screening equipment is used for screening the construction waste to obtain recycled aggregate;
the stirring equipment is used for automatically stirring and mixing the recycled aggregate and the cementing material to form a stone-like concrete material;
the profiling device is provided with a die and a hydraulic machine, the die comprises an upper die and a lower die, the lower die is used for containing the stone-like concrete material, the hydraulic machine is used for driving the upper die to move up and down relative to the lower die, and the profiling device is used for profiling the stone-like concrete material into a blank through the die;
and the surface treatment equipment is used for polishing the surface of the blank.
Furthermore, the screening equipment comprises a separation screening machine, a first crusher, a second crusher, a particle shaping machine and a screening machine which are sequentially arranged;
the separation screening machine is used for separating impurities in the construction waste, the first crusher is used for crushing the separated construction waste to form first particles, the second crusher is used for crushing the first particles again to form second particles, the particle shaping machine is used for rolling and rounding the second particles to form third particles, and the screening machine is used for screening out the third particles with the size larger than 4.75mm to obtain recycled aggregate.
Furthermore, a feeding conveying line is arranged between the screening machine and the stirring equipment.
Further, an auger conveyor is arranged between the discharge port of the stirring device and the feed port of the profiling device.
Further, the surface treatment apparatus includes a dresser for performing a dressing treatment on the surface of the blank member.
Further, the surface treatment equipment also comprises a polishing machine, and the polishing machine is used for polishing the ground blank.
Further, still include the steam curing kiln, be provided with the bearing frame in the steam curing kiln, the bearing frame is used for placing the blank of die mould equipment die mould.
Compared with the prior art, the utility model discloses an advantage is with positive effect: the utility model provides a stone-like processing system is used in capital construction through screening building rubbish to utilize the industry among the building rubbish to be useless admittedly, mineral admixture comes as regeneration aggregate used repeatedly, screens out the regeneration aggregate that accords with standard requirement and gelating material, gravel and sand and pass through water and mix together and form stone-like concrete material, and stone-like concrete material prepares into blank through the mode of die mould, so that blank has higher structural strength in order to satisfy its requirement of durability; moreover, the blank is subjected to water retention maintenance treatment, so that the internal structure of the blank is more stable, cracks and the like in the later processing process are avoided, and the quality of the product is improved; in addition, the blank piece is subjected to surface processing treatment to obtain the appearance effect of the simulated stone, the quality of a product is further improved, the appearance of the simulated stone for the infrastructure is closer to the real stone to improve the attractiveness, the comprehensive strength performance of the simulated stone for the infrastructure is improved to improve the durability and the use reliability, the defect that the conventional concrete is made is overcome by replacing the natural stone, and the aim of producing the simulated stone for the infrastructure in an environment-friendly manner is fulfilled.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive labor.
FIG. 1 is a processing flow chart of an embodiment of the stone-like processing method for capital construction of the utility model;
FIG. 2 is a schematic diagram of an embodiment of the stone-like processing system for capital construction of the present invention;
figure 3 is the utility model discloses the basic building is with the schematic diagram of screening installation in the imitative stone system of processing system embodiment.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying 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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
As shown in fig. 2-3, the utility model also provides a imitative stone system of processing is used in capital construction, include:
a screening apparatus 1 for screening construction waste to obtain recycled aggregate;
the stirring device 2 is used for automatically stirring and mixing the recycled aggregate, the cementing material and the sand stone to form a stone-like concrete material;
the profiling device 3 is provided with a die and a hydraulic machine, the die comprises an upper die and a lower die, the lower die is used for containing the stone-like concrete material, the hydraulic machine is used for driving the upper die to move up and down relative to the lower die, and the profiling device 3 is used for profiling the stone-like concrete material into a blank through the die;
and the surface treatment device 5 is used for polishing the surface of the blank.
Specifically, the screening apparatus 1 mainly screens and processes construction waste to obtain recycled aggregate having a size of more than 4.75 mm. As for the screening apparatus 1, it may comprise a separating screen 11, a first crusher 12, a second crusher 13, a particle shaper 14 and a screen 15 arranged in sequence; wherein, separation sieve separator 11 is used for separating out the impurity in the building rubbish, for example: and separating out impurities (wood, glass, bricks and the like) in the construction waste by adopting a centrifugal separation mode. The first crusher 12 is used for crushing the separated construction waste to form first particulate matters, the second crusher 13 is used for crushing the first particulate matters again to form second particulate matters, two-stage crushing treatment is adopted to obtain the particulate matters with required sizes, and the crushers can adopt jaw crushers and other equipment commonly used in capital construction. The particle shaping machine 14 is used for rolling and rounding the second particles to form third particles, and the particle shaping machine can roll the second particles in the second particles, and the second particles are collided and rubbed with each other in the rolling process, so that mortar or cement stones on the surface are removed, and the particles are ground into an approximately spherical structure. The screening machine 15 is used for screening third particulate matters with the size larger than 4.75mm to obtain recycled aggregate, and the screening machine 15 can adopt a vibration screening machine or a rotary screening machine and other equipment.
In the actual use process, firstly, impurities on the construction waste are separated through a separation screening machine 11, then, a first crusher 12 is used for crushing the separated construction waste and screening first particulate matters with the size of 30-50mm, a second crusher 13 is used for further crushing the first particulate matters to form second particulate matters, then, the second particulate matters are put into a particle shaping machine 14 to rotate at a high speed so as to remove mortar and cement slurry on the surface and grind the protruded edges and corners of the second particulate matters to form third particulate matters, and finally, the third particulate matters with the size of more than 4.75mm are screened through a screening machine 15 so as to obtain recycled aggregate.
The specific structural configurations of the separating and screening machine 11, the first crusher 12, the second crusher 13, the particle shaper 14, and the screening machine 15 may be conventional apparatuses in the prior art, and are not limited or described herein.
And (3) putting the recycled aggregate screened by the screening equipment 1 and other materials into a stirring device 2 for stirring waves to obtain the stone-like concrete material. Specifically, the design of the stone-like concrete material mixing ratio directly influences the performance and quality of the product, a reference mixing ratio suitable for the ecological green stone-like curb is worked out, and the stability of the quality of the stone-like concrete material is ensured. Wherein, the concrete composition of imitative stone concrete material includes at least: 500-700kg/m of cementing material3750 kg/m of fine aggregate3Regenerated coarse aggregate 650-800kg/m3200kg/m black ore3White ore 40-80kg/m38-10kg/m of water reducing agent3150-200kg/m water3. Specifically, the fine aggregate is new aggregate (such as artificial sand and natural sand), certainly, recycled fine aggregate of the aggregate which is screened and remained in the step 1 and is smaller than 4.75mm can be adopted, and certainly, a mixture of the new fine aggregate and the recycled fine aggregate can be adopted without limitation; and the coarse aggregate is the recycled aggregate obtained in the step 1. The gel material usually includes cement, mineral powder and other related materials, and for the specific proportioning form of the gel material, reference may be made to the usage amount and formula of the gel material in the conventional concrete product, which is not limited or described herein.
The stone-like concrete material uniformly stirred by the stirring device 22 is conveyed into the die of the profiling device 3, and then the die is pressurized by the hydraulic press, so that on one hand, the shaping is completed, and on the other hand, excessive water is extruded out. Similarly, the concrete structural cooperation of the profiling device 3 can also adopt a profiling machine for artificial curbstones in the prior art, which is not limited and described herein.
The blank formed by extrusion of the profiling device 3 is sent to the maintenance treatment. The blank is sent to a steam curing kiln 4 for curing twice. In the water-retaining maintenance treatment, the surface of the blank piece is regularly sprayed with water to retain moisture, and the maintenance period is 2-5 days, so that the early strength of the blank piece is greatly improved. Then, the blank is transported to surface treatment equipment 5 again and is polished, and wherein surface treatment equipment 5 can be right through the polisher the surface of blank carries out the water mill processing to the cement layer on blank top layer is fallen in the clearance, and the blank is through the water mill processing back, clears up the cement layer on top layer, and, at the water mill in-process, utilizes building rubbish to separate the regeneration aggregate of screening for the surface after polishing demonstrates the outward appearance effect of imitative stone. And (3) carrying out spray curing treatment on the blank after the surface processing treatment, wherein the curing period is 20-30 days until the strength reaches C30, so as to obtain the imitation stone for the capital construction.
In order to improve the maintenance efficiency, the stone-like processing system for capital construction can also be provided with a steam curing kiln 4, and a bearing frame 41 is arranged in the steam curing kiln 4 and used for placing the blank pieces molded by the molding equipment 3. Specifically, in the water-holding curing process, the blank is placed in the steam curing kiln 4, so that the blank can be cured in the steam curing kiln 4 at a higher speed and at a higher quality.
Further, in the actual use process, according to the surface requirements of the base building stone imitation, the surface treatment device 5 may further include a polishing machine, and the polishing machine is used for polishing the ground blank. The grinding machine and the polishing machine can also be conventional machines for processing stone materials in the prior art, and are not limited and described herein.
In addition, in order to facilitate automatic transportation, a feeding conveyor line (not shown) may be provided between the screening machine 15 and the stirring device 2, and the feeding conveyor line may be a conveyor belt or the like. And an auger conveyor 6 is arranged between the discharge port of the stirring device 2 and the feed inlet of the profiling device 3.
Meanwhile, in the screening apparatus 1, a conveyor such as a conveyor belt 100 may be disposed between the separation screening machine 11, the first crusher 12, the second crusher 13, the pellet shaper 14, and the screening machine 15 to convey the material. The blanks extruded by the profiling device 3 can be transported and palletized by the robot 7.
As shown in figure 1, the specific processing method for constructing the imitation stone by adopting the processing system comprises the following steps:
step 1, separating and screening the construction waste to obtain recycled aggregate. Specifically, after raw materials enter a factory, construction waste is firstly treated according to production requirements, old mortar attached to the construction waste is removed, the proportion of white ores and black ores is controlled according to product requirements, and the stone imitation effect is achieved. Meanwhile, all the sand and the stone are repeatedly cleaned to remove stone powder and soil. Preferably, in the step 1, the construction waste is separated by adopting a particle centrifugal shaping technology to screen out recycled aggregate meeting the standard requirement of JC/T899-2016 concrete curb, and then the screened recycled aggregate is cleaned. The method specifically comprises the following steps: firstly, impurities on the construction waste are separated through a separation screening machine, then the separated construction waste is crushed by a first crusher and screened to form first particulate matters with the size of 30-50mm, the first particulate matters are further crushed by a second crusher to form second particulate matters, then the second particulate matters are put into a particle shaping machine to rotate at a high speed so as to remove surface mortar and cement paste and grind off protruded edges and corners of the second particulate matters to form third particulate matters, and finally the third particulate matters with the size of more than 4.75mm are screened by a screening machine so as to obtain recycled aggregate.
Taking waste concrete construction waste as an example, the following are explained: firstly, impurities (wood, glass, bricks and the like) on construction waste such as waste concrete are separated by a separation screening machine, then, a crusher is used for crushing large concrete into particles of about 40mm, a second crusher is used for crushing the large concrete after screening, and a physical strengthening technology is used for rotating the primarily crushed concrete blocks in a particle shaping machine at a high speed to remove weak mortar and cement paste on the surface; and finally, placing the strengthened particles on a vibration screening machine for vibration screening treatment, wherein the aggregate with the particle size of more than 4.75mm is the particle-shaped recycled coarse aggregate.
And 2, mixing materials such as the recycled aggregate and the cementing material with water to form the stone-like concrete material. The stone-like concrete material comprises the following specific components: 500-700k cementing materialg/m3750 kg/m of fine aggregate3Regenerated coarse aggregate 650-800kg/m3200-300kg/m black ore3White ore 40-80kg/m38-10kg/m of water reducing agent3150-200kg/m water3. Specifically, the fine aggregate is new aggregate (such as artificial sand and natural sand), certainly, recycled fine aggregate of the aggregate which is screened and remained in the step 1 and is smaller than 4.75mm can be adopted, and certainly, a mixture of the new fine aggregate and the recycled fine aggregate can be adopted without limitation; and the coarse aggregate is the recycled aggregate obtained in the step 1. The gel material usually includes cement, mineral powder and other related materials, and for the specific proportioning form of the gel material, reference may be made to the usage amount and formula of the gel material in the conventional concrete product, which is not limited or described herein.
And 3, putting the stone-like concrete material into a mold for profiling to form a blank. Specifically, adopt the pressure filter to carry out the die mould processing to imitative stone concrete material, and the pressure filter is at the in-process to imitative stone concrete material die mould in the mould, and the water that extrudes from imitative stone concrete material can be discharged by rapid filtration to obtain the compact blank of structure. In the case of the stone-like curb, the number of profiling operations needs to be adjusted according to the concrete state and the product thickness during the blank production and molding, and excess water in the concrete is discharged. Meanwhile, the mould is cleaned before and after work to ensure that no concrete residue exists on the inner surface of the mould, and a filter screen of the mould is cleaned regularly to prevent the filter screen from being blocked and is replaced when necessary. The wear of the mold was periodically checked and replaced if necessary. The vibration is generally controlled to be about 7 seconds during casting.
And 4, performing water retention maintenance treatment on the blank piece to greatly improve the early strength of the blank piece and further meet the requirement of treating the surface of the blank piece in the step 5. Specifically, the surface of the blank piece is regularly sprayed with water for moisturizing, and the maintenance period is 2-5 days. Preferably, in order to improve the processing efficiency, the blank piece can be steamed in a steam curing kiln, and the curing period is 5-6 hours.
And 5, performing surface processing treatment on the blank after the water retention maintenance treatment. Specifically, carry out the water mill to the surface of blank and handle to the cement layer on blank top layer is fallen in the clearance, and the blank is handled the back through the water mill, clears up the cement layer on top layer, and, at the water mill in-process, utilizes building rubbish to separate the regeneration aggregate of screening, makes the surface after polishing demonstrate the outward appearance effect of imitative stone. In addition, according to the appearance requirement of the product, further processing operation can be adopted for the surface processing treatment. For example: when a product with a smooth surface is needed, polishing the blank after the water grinding treatment; when the product appearance needs to be specially designed, the blank after the water grinding treatment can be cut to obtain the product appearance with a specific shape.
And 6, carrying out spray maintenance treatment on the blank after the surface processing treatment to obtain the imitation stone for the foundation construction. Specifically, the blank after surface treatment is periodically sprayed and maintained for 20-30 days until the strength reaches C30 to obtain the imitation stone for the capital construction.
The following detection data comparison table is used for detecting relevant parameters of the road edge stones manufactured by three different material processes.
Remarking:
1. granite: according to the standard GB14685-2011 pebbles and broken stones for construction, the stone is stone in Qingdao areas;
2. artificial stone (i.e. kerbstone formed by the stone-like processing method for construction in the embodiment): according to the specification JC/T899-2016 concrete curb, the design mix proportion is C45;
3. ordinary concrete: the mix proportion is C45 according to the specification JC/T899-2016 concrete curb stone.
The kerbstone formed by the stone-like processing method for capital construction in the embodiment is made of recycled building recycled aggregate, has the advantages of obvious environmental protection, more abundant colors and types compared with granite kerbstone, no surface cracks of common concrete kerbstones, excellent durability and 15-20 years of service life.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.
Claims (7)
1. A stone-like processing system for capital construction, comprising:
the screening equipment is used for screening the construction waste to obtain recycled aggregate;
the stirring equipment is used for automatically stirring and mixing the recycled aggregate and the cementing material to form a stone-like concrete material;
the profiling device is provided with a die and a hydraulic machine, the die comprises an upper die and a lower die, the lower die is used for containing the stone-like concrete material, the hydraulic machine is used for driving the upper die to move up and down relative to the lower die, and the profiling device is used for profiling the stone-like concrete material into a blank through the die;
and the surface treatment equipment is used for polishing the surface of the blank.
2. The stone-like processing system for capital construction according to claim 1, wherein the screening apparatus comprises a separation screening machine, a first crusher, a second crusher, a grain shaper and a screening machine arranged in sequence;
the separation screening machine is used for separating impurities in the construction waste, the first crusher is used for crushing the separated construction waste to form first particles, the second crusher is used for crushing the first particles again to form second particles, the particle shaping machine is used for rolling and rounding the second particles to form third particles, and the screening machine is used for screening out the third particles with the size larger than 4.75mm to obtain recycled aggregate.
3. The stone-like processing system for capital construction according to claim 2, characterized in that a feeding conveyor line is provided between the screening machine and the stirring device.
4. The stone-like processing system for capital construction according to claim 1, wherein an auger conveyor is arranged between the discharge port of the stirring device and the feed port of the profiling device.
5. The system of claim 1, wherein the surface treatment apparatus comprises a grinder for grinding the surface of the blank.
6. The system of claim 5, wherein the surface treatment apparatus further comprises a polishing machine for polishing the ground rough member.
7. The system for processing imitation stones for construction according to any of claims 1 to 6, further comprising a steam kiln in which a carriage is provided for placing the blank pieces profiled by the profiling means.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021454206.9U CN213290768U (en) | 2020-07-22 | 2020-07-22 | Stone-like processing system for capital construction |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202021454206.9U CN213290768U (en) | 2020-07-22 | 2020-07-22 | Stone-like processing system for capital construction |
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| CN213290768U true CN213290768U (en) | 2021-05-28 |
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| CN202021454206.9U Active CN213290768U (en) | 2020-07-22 | 2020-07-22 | Stone-like processing system for capital construction |
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