CN211279168U - Multifunctional concrete production system - Google Patents
Multifunctional concrete production system Download PDFInfo
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- CN211279168U CN211279168U CN201922143445.6U CN201922143445U CN211279168U CN 211279168 U CN211279168 U CN 211279168U CN 201922143445 U CN201922143445 U CN 201922143445U CN 211279168 U CN211279168 U CN 211279168U
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Abstract
The utility model belongs to the technical field of concrete production and discloses a multifunctional concrete production system, which comprises a plurality of broken stone storage bins, sand storage bins, mineral powder storage bins, cement storage bins and fly ash storage bins; the discharge ports of the broken stone storage bin and the coarse sand storage bin and the medium sand storage bin are connected with the feed port of the drying roller, the discharge port of the drying roller is connected with the feed port of the hoister, and the discharge ports of the fine sand storage bin and the mineral powder storage bin are connected with the feed port of the hoister; the discharge gate of lifting machine passes through the passageway auto-change over device to be connected with continuous type agitating unit and multi-stage screening device respectively, and every discharge gate of multi-stage screening device is provided with rubble buffer storehouse or grit buffer storehouse, and the discharge gate in rubble buffer storehouse and grit buffer storehouse is connected with intermittent type formula agitating unit's feed inlet, and intermittent type formula agitating unit's feed inlet is connected with the discharge gate in cement storage storehouse and fly ash storage storehouse. This multi-functional concrete production system has overcome the problem that hot waste material pollutes and wastes.
Description
Technical Field
The utility model belongs to the technical field of the concrete production, concretely relates to multi-functional concrete production system.
Background
Concrete is one of the most important civil engineering materials of the present generation. The artificial stone is prepared by a cementing material, granular aggregate (also called aggregate), water, an additive and an admixture which are added if necessary according to a certain proportion, and is formed by uniformly stirring, compacting, forming, curing and hardening. The concrete has the characteristics of rich raw materials, low price and simple production process, so that the consumption of the concrete is increased more and more. Meanwhile, the concrete also has the characteristics of high compressive strength, good durability, wide strength grade range and the like. These characteristics make it very widely used, not only in various civil engineering, that is shipbuilding, machinery industry, ocean development, geothermal engineering, etc., but also concrete is an important material.
The two most common types of concrete are cement concrete and asphalt concrete. During the production process of the asphalt concrete, the aggregate needs to be dried and heated to reach a certain temperature, and then the asphalt concrete is mixed with hot asphalt and cold mineral powder. In the existing asphalt concrete production system, during the process of producing asphalt concrete, the starting and stopping of production can form hot waste (aggregate with unstable temperature), and the hot waste is usually directly discharged and discarded, which not only causes environmental pollution, but also wastes raw materials.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a multi-functional concrete production system to solve the above-mentioned one or more problems that prior art exists.
In order to realize the purpose, the utility model discloses a technical scheme as follows:
a multifunctional concrete production system comprises gravel storage bins, coarse sand storage bins, medium sand storage bins, fine sand storage bins, mineral powder storage bins, cement storage bins and fly ash storage bins which are in different grading; the discharge ports of the broken stone storage bin, the coarse sand storage bin and the medium sand storage bin are connected with the feed port of the drying roller through a first conveying device, the discharge port of the drying roller is connected with the feed port of the hoister, and the fine sand storage bin and the mineral powder storage bin are connected with the feed port of the hoister through a second conveying device; the discharge gate of lifting machine is provided with first passageway auto-change over device, first passageway auto-change over device's first discharge gate is connected with continuous stirring device's feed inlet, first passageway auto-change over device's second discharge gate is connected with multi-stage screening device's feed inlet, every discharge gate of multi-stage screening device is provided with corresponding rubble buffer storehouse or grit buffer storehouse, the discharge gate in rubble buffer storehouse and grit buffer storehouse is connected with intermittent type formula agitating unit's feed inlet, intermittent type formula agitating unit's feed inlet pass through third conveyor with cement storage storehouse with the discharge gate in fly ash storage storehouse is connected.
Furthermore, the crushed stone storage bin comprises a 4.75-9.5mm graded crushed stone storage bin, a 9.5-16mm graded crushed stone storage bin and a 16-26.5mm graded crushed stone storage bin.
Furthermore, the crushed stone storage bins comprise 4.75-9.5mm graded crushed stone storage bins, 9.5-13mm graded crushed stone storage bins, 13-19mm graded crushed stone storage bins, 19-26.5mm graded crushed stone storage bins and 26.5-31.5mm graded crushed stone storage bins.
Furthermore, each of the gravel storage bin, the coarse sand storage bin, the medium sand storage bin, the fine sand storage bin, the mineral powder storage bin, the gravel buffer bin and the sand buffer bin is provided with a measuring hopper at a discharge hole.
Furthermore, a discharge port of the mineral powder storage bin is respectively provided with a low-position measuring hopper and a high-position measuring hopper, the low-position measuring hopper is connected with a feed port of the hoister through the second conveying device, and the high-position measuring hopper is connected with a feed port of the continuous stirring device through a fourth conveying device.
Furthermore, the discharge ports of the cement storage bin and the fly ash storage bin are connected with the high-position measuring hopper through a fifth conveying device, and the high-position measuring hopper is connected with the feed inlet of the intermittent stirring device through a fourth conveying device.
Furthermore, a second channel switching device is arranged at the discharge end of the first conveying device, a first discharge port of the second channel switching device is connected with a feed port of the drying roller, and a second discharge port of the second channel switching device is connected with a feed port of the elevator through a sixth conveying device; the discharge holes of the cement storage bin and the fly ash storage bin are connected with the feed inlet of the hoister through the second conveying device; the second discharge hole of the first channel switching device is also connected with a third channel switching device, the first discharge hole of the third channel switching device is connected with the feed inlet of the multi-stage screening device, and the second discharge hole of the third channel switching device is connected with the feed inlet of the sand cache bin.
Compared with the prior art, the utility model provides a technical scheme has following beneficial effect or advantage:
the utility model provides a multi-functional concrete production system sets up first passageway auto-change over device through the discharge gate at the lifting machine to connect continuous stirring device and multistage screening plant respectively with two different discharge gates of first passageway auto-change over device and be connected, multistage screening plant's discharge gate sets up rubble buffer memory storehouse and grit buffer memory storehouse, and the discharge gate in rubble buffer memory storehouse and grit buffer memory storehouse is connected with intermittent type formula agitating unit. When the asphalt concrete is produced, hot waste materials generated during starting and stopping production enter the multi-stage screening device through the second discharge hole of the first channel switching device to be screened, and screened aggregates with different grading are cached in the corresponding caching bins for producing the cement concrete, so that the problems of pollution and waste of the hot waste materials are effectively solved.
Specific embodiments of the present invention are disclosed in detail with reference to the following description and the accompanying drawings, which specify the manner in which the principles of the invention may be employed. It should be understood that the embodiments of the present invention are not so limited in scope. The embodiments of the invention include many variations, modifications and equivalents within the spirit and scope of the appended claims.
Features that are described and/or illustrated with respect to one embodiment may be used in the same way or in a similar way in one or more other embodiments, in combination with or instead of the features of the other embodiments.
It should be emphasized that the term "comprises/comprising" when used herein, is taken to specify the presence of stated features, integers, steps or components but does not preclude the presence or addition of one or more other features, integers, steps or components.
Drawings
Fig. 1 is a schematic structural diagram of a multifunctional concrete production system provided in embodiment 1 of the present invention;
fig. 2 is a schematic structural diagram of a multifunctional concrete production system provided in embodiment 2 of the present invention.
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. The components of embodiments of the present invention, as 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 accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.
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 embodiments of the present invention, it should be noted that the indication of the position or the positional relationship is based on the position or the positional relationship shown in the drawings, or the position or the positional relationship which is usually placed when the product of the present invention is used, or the position or the positional relationship which is conventionally understood by those skilled in the art, and is only for the convenience of describing the present invention and simplifying the description, but it is not to indicate or suggest that the indicated device or element must have a specific position, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.
In the description of the embodiments of the present invention, it should be further noted that unless otherwise explicitly stated or limited, the terms "disposed" and "connected" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; may be directly connected or indirectly connected through an intermediate. For those skilled in the art, the drawings of the above terms in the embodiments with specific meanings in the present invention can be understood in specific situations, and the technical solutions in the embodiments of the present invention are clearly and completely described, and it is obvious that the described embodiments are some embodiments of the present invention, not all embodiments. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.
Example 1
As shown in fig. 1, an embodiment of the present invention provides a multifunctional concrete production system, which includes a gravel storage bin 1, a coarse medium sand storage bin 2 (two independent bins for storing coarse sand and medium sand respectively), a fine sand storage bin 3, a mineral powder storage bin 4, a cement storage bin 5, and a fly ash storage bin 6, which are of different gradations; the discharge ports of the broken stone storage bin 1 and the coarse medium sand storage bin 2 are connected with the feed port of the drying roller 7 through a first conveying device, the discharge port of the drying roller 7 is connected with the feed port of the hoister 8, and the fine sand storage bin 3 and the mineral powder storage bin 4 are connected with the feed port of the hoister 8 through a second conveying device; the discharge gate of lifting machine 8 is provided with first passageway auto-change over device 9, the first discharge gate of first passageway auto-change over device 9 is connected with continuous stirring device 10's feed inlet, the second discharge gate of first passageway auto-change over device 9 is connected with multi-stage screening device 11's feed inlet, every discharge gate of multi-stage screening device 11 is provided with corresponding rubble buffer storage storehouse 12 or grit buffer storage storehouse 13, the discharge gate of rubble buffer storage storehouse 12 and grit buffer storage storehouse 13 is connected with intermittent type formula agitating unit 14's feed inlet, intermittent type formula agitating unit 14's feed inlet is connected with cement storage storehouse 5 and the discharge gate of fly ash storage storehouse 6 through third conveyor.
The embodiment of the utility model provides a multi-functional concrete production system's theory of operation as follows:
each device in the multifunctional concrete production system is started, then crushed stones in the crushed stone storage bin 1 and coarse and medium sands in the coarse and medium sand storage bin 2 are sent into the drying roller 7 to be dried, and as the device is just started, hot waste materials can appear on the crushed stones, the coarse and medium sands entering the drying roller 7 due to uneven temperature.
Then the produced hot waste is sent to a lifter 8, the lifter 8 sends the hot waste to a multi-stage screening device 11 through a second discharge hole of a first channel switching device 9 for screening, the screened crushed stones with different grades are respectively stored in corresponding crushed stone cache bins 12, and the screened sand is cached in a sand cache bin 13;
when the crushed stones in the crushed stone buffer bin 12 and the sands in the sand buffer bin 13 are enough to produce the cement concrete, the crushed stones in the crushed stone buffer bin 12 and the sands in the sand buffer bin 13 are sent to the intermittent stirring device 14, and the corresponding cement, the fly ash, the water, the additives and the like are added to produce the cement concrete.
Discharging the hot waste generated during inspiration to a multi-stage screening device 11, then sending subsequent crushed stones, coarse sand and medium sand to a drying roller 7 for drying, sending the crushed stones, the coarse sand and the medium sand to a lifter 8 after drying, meanwhile sending fine sand in a fine sand storage bin 3 and mineral powder in a mineral powder storage bin 4 to the lifter 8 for lifting together with the crushed stones, the coarse sand and the medium sand, and performing heat exchange among the fine sand, the mineral powder, the crushed stones, the coarse sand and the medium sand in the lifting process to finally obtain mixed grit materials meeting the temperature; the elevator 8 sends the mixed sand and stone material into the continuous stirring device 10 through the first discharge port of the first channel switching device 9, and adds corresponding asphalt, additives and the like to produce asphalt concrete.
After the asphalt concrete production is completed, hot waste materials are generated in the drying drum 7 in the process of shutting down the multifunctional concrete production system, and the disposal mode of the hot waste materials is the same as that of the hot waste materials generated in the starting process, and the detailed description is omitted.
The embodiment of the utility model provides a multi-functional concrete production system sets up first passageway auto-change over device through the discharge gate at the lifting machine to connect continuous stirring device and multistage screening plant respectively with two different discharge gates of first passageway auto-change over device and be connected, multistage screening plant's discharge gate sets up rubble buffer memory storehouse and grit buffer memory storehouse, and the discharge gate in rubble buffer memory storehouse and grit buffer memory storehouse is connected with intermittent type formula agitating unit. When the asphalt concrete is produced, hot waste materials generated during starting and stopping production enter the multi-stage screening device through the second discharge hole of the first channel switching device to be screened, and screened aggregates with different grading are cached in the corresponding caching bins for producing the cement concrete, so that the problems of pollution and waste of the hot waste materials are effectively solved.
In specific implementation process, in order to make fine sand, powdered ore and rubble and thick, the medium sand carry out the heat exchange better, the embodiment of the utility model provides a can also set up premixing device at the feed inlet of lifting machine 8, mix fine sand, powdered ore and stoving heating back rubble and thick, medium sand through premixing device to make fine sand, powdered ore and rubble and thick, medium sand carry out the heat exchange better.
In the specific implementation process, different asphalt concretes have different grading requirements on the crushed stones, and the crushed stone storage bin 1 in the embodiment of the utility model can comprise a 4.75-9.5mm graded crushed stone storage bin, a 9.5-16mm graded crushed stone storage bin and a 16-26.5mm graded crushed stone storage bin; or comprises a 4.75-9.5mm graded broken stone storage bin, a 9.5-13mm graded broken stone storage bin, a 13-19mm graded broken stone storage bin, a 19-26.5mm graded broken stone storage bin and a 26.5-31.5mm graded broken stone storage bin. The method is specifically set according to production requirements, and is not limited herein.
In concrete implementation, because the ratio of the asphalt concrete of different grades is different, in order to weigh the raw and other materials that correspond the ratio accurately, in further embodiment, the embodiment of the utility model provides a discharge gate at every rubble storage silo 1, thick medium sand storage silo 2, fine sand storage silo 3, powdered ore storage silo 4, rubble buffer storage silo 12 and sand buffer storage silo 13 all is provided with weighing hopper 15. The weighing hopper can be used for accurately weighing and controlling the weight of each raw material, so that more accurate mixing ratio is obtained, and the quality of the produced asphalt concrete is guaranteed.
In specific implementation process, current asphalt concrete production system when producing asphalt concrete, most all adopt intermittent type formula production mode, and the unstable material of heat that produces during the start relies on extravagant partial asphalt concrete to handle, in order to realize intermittent type formula asphalt concrete production, in further implementation scheme, the embodiment of the utility model provides a discharge gate in powdered ore storage storehouse 4 is provided with a low-order weighing hopper and a high-order weighing hopper respectively, the low-order weighing hopper passes through the second conveyor is connected with the feed inlet of lifting machine 8, the high-order weighing hopper is connected through fourth conveyor and intermittent type formula agitating unit 14's feed inlet, mainly used under intermittent type formula asphalt concrete production mode, provides appropriate amount mountain flour for agitating unit.
The embodiment of the utility model provides an in the operating principle of intermittent type formula asphalt concrete production as follows:
starting each device in the multifunctional concrete production system, then sending the crushed stones in the crushed stone storage bin 1 and the coarse sand and the medium sand in the coarse sand storage bin 2 into a drying roller 7 for drying, sending into a lifter 8 after drying, meanwhile sending the fine sand in the fine sand storage bin 3 into the lifter 8 for lifting together with the crushed stones, the coarse sand and the medium sand, and carrying out heat exchange among the fine sand, the crushed stones, the coarse sand and the medium sand in the lifting process to finally obtain mixed sand stones meeting the temperature; the elevator 8 sends the mixed sand and stone materials into the multi-stage screening device 11 through a second discharge hole of the first channel switching device 9 for screening, the screened crushed stones with different gradations are respectively stored in corresponding crushed stone buffer bins 12, and the screened sand is buffered in a sand buffer bin 13; when the gravel materials cached in the gravel caching bin 12 and the sand caching bin 13 meet the requirement of one-time asphalt concrete production, the gravel in the gravel caching bin 12 and the sand in the sand caching bin 13 are sent into an intermittent stirring device 14, a proper amount of stone powder is weighed by the high-level weighing hopper and sent into the intermittent stirring device 14, and finally, corresponding asphalt, additives and the like are added to produce the asphalt concrete.
The hot unstable material generated during starting depends on the waste part of asphalt concrete for treatment, and after the material is not used in a construction site, if the material is still in the hot material bin of the main station, the hot unstable material is treated according to the treatment mode of the hot waste material.
In specific implementation process, because the embodiment of the utility model provides a multi-functional concrete production system utilizes the process of hot waste material production cement concrete is at the intermittent type of asphalt concrete production, just produces cement concrete when not producing asphalt concrete promptly, consequently, in order to practice thrift the cost, the embodiment of the utility model provides an in cement storage storehouse 5 and fly ash storage storehouse 6 the discharge gate pass through fifth conveyor with high-order weighing hopper connects, high-order weighing hopper passes through third conveyor is connected with intermittent type formula agitating unit 14's feed inlet. And when producing the asphalt concrete, weighing the mineral powder by using the high-position measuring hopper.
Example 2
As shown in fig. 2, compared with embodiment 1, the embodiment of the present invention is different in that the embodiment of the present invention is that a second channel switching device 16 is disposed at the discharging end of the first conveying device, a first discharging port of the second channel switching device 16 is connected to the feeding port of the drying drum 7, and a second discharging port thereof is connected to the feeding port of the elevator 8 through a sixth conveying device; the discharge holes of the cement storage bin 5 and the fly ash storage bin 6 are connected with the feed inlet of the hoister through the second conveying device; the second discharge hole of the first channel switching device 9 is also connected with a third channel switching device 17, the first discharge hole of the third channel switching device 17 is connected with the feed inlet of the multi-stage screening device 11, and the second discharge hole of the third channel switching device 17 is connected with the feed inlet of the sand buffer bin 13.
The embodiment of the utility model provides a multi-functional concrete production system can also directly utilize finished product material production cement concrete except utilizing hot waste material production cement concrete, and its specific work flow is as follows:
broken stones in the broken stone storage bin 1 and coarse and medium sands in the coarse and medium sand storage bin 2 sequentially enter the elevator 8 through the second discharge hole and the sixth conveying device of the second channel switching device 16, fine sands in the fine sand storage bin 3, cement in the cement storage bin 5 and fly ash in the fly ash storage bin 6 are conveyed into the elevator 8 through the second conveying device, are lifted by the elevator 8, then sequentially enter the sand buffering bin 13 through the second discharge hole of the first channel switching device 9 and the second discharge hole of the third channel switching device 17 for buffering, and finally enter the intermittent stirring device 14 through the sand buffering bin 13, so that continuous and conventional production of cement concrete is realized.
The embodiment of the utility model provides a multi-functional concrete production system has further expanded its throughput, is fit for the large tracts of land and promotes.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. 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 (7)
1. A multifunctional concrete production system is characterized by comprising gravel storage bins, coarse sand storage bins, medium sand storage bins, fine sand storage bins, mineral powder storage bins, cement storage bins and fly ash storage bins with different grading; the discharge ports of the broken stone storage bin, the coarse sand storage bin and the medium sand storage bin are connected with the feed port of the drying roller through a first conveying device, the discharge port of the drying roller is connected with the feed port of the hoister, and the fine sand storage bin and the mineral powder storage bin are connected with the feed port of the hoister through a second conveying device; the discharge gate of lifting machine is provided with first passageway auto-change over device, first passageway auto-change over device's first discharge gate is connected with continuous stirring device's feed inlet, first passageway auto-change over device's second discharge gate is connected with multi-stage screening device's feed inlet, every discharge gate of multi-stage screening device is provided with corresponding rubble buffer storehouse or grit buffer storehouse, the discharge gate in rubble buffer storehouse and grit buffer storehouse is connected with intermittent type formula agitating unit's feed inlet, intermittent type formula agitating unit's feed inlet pass through third conveyor with cement storage storehouse with the discharge gate in fly ash storage storehouse is connected.
2. The multi-functional concrete production system according to claim 1, wherein said gravel storage bins comprise a 4.75-9.5mm graded gravel storage bin, a 9.5-16mm graded gravel storage bin, and a 16-26.5mm graded gravel storage bin.
3. The multi-functional concrete production system according to claim 1, wherein said rubble storage bins comprise a 4.75-9.5mm graded rubble storage bin, a 9.5-13mm graded rubble storage bin, a 13-19mm graded rubble storage bin, a 19-26.5mm graded rubble storage bin and a 26.5-31.5mm graded rubble storage bin.
4. The multifunctional concrete producing system according to claim 1, wherein each of the discharge ports of the crushed stone storage bin, the coarse sand storage bin, the medium sand storage bin, the fine sand storage bin, the mineral powder storage bin, the crushed stone buffer bin and the sand buffer bin is provided with a measuring hopper.
5. The multifunctional concrete production system according to claim 4, wherein the discharge port of the mineral powder storage bin is respectively provided with a low-position measuring hopper and a high-position measuring hopper, the low-position measuring hopper is connected with the feeding port of the hoisting machine through the second conveying device, and the high-position measuring hopper is connected with the feeding port of the batch mixer through a fourth conveying device.
6. The multifunctional concrete production system according to claim 5, wherein the discharge ports of the cement storage bin and the fly ash storage bin are connected with the high-level weighing hopper through a fifth conveying device, and the high-level weighing hopper is connected with the feed port of the batch type stirring device through the third conveying device.
7. The multifunctional concrete production system according to any one of claims 1 to 6, wherein a second channel switching device is arranged at a discharge end of the first conveying device, a first discharge port of the second channel switching device is connected with a feed port of the drying drum, and a second discharge port of the second channel switching device is connected with a feed port of the hoister through a sixth conveying device; the discharge holes of the cement storage bin and the fly ash storage bin are connected with the feed inlet of the hoister through the second conveying device; the second discharge hole of the first channel switching device is also connected with a third channel switching device, the first discharge hole of the third channel switching device is connected with the feed inlet of the multi-stage screening device, and the second discharge hole of the third channel switching device is connected with the feed inlet of the sand cache bin.
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| CN201922143445.6U CN211279168U (en) | 2019-12-03 | 2019-12-03 | Multifunctional concrete production system |
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