CN211217058U - Sand making system for mixing and screening raw materials and finished materials - Google Patents
Sand making system for mixing and screening raw materials and finished materials Download PDFInfo
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- CN211217058U CN211217058U CN201922071193.0U CN201922071193U CN211217058U CN 211217058 U CN211217058 U CN 211217058U CN 201922071193 U CN201922071193 U CN 201922071193U CN 211217058 U CN211217058 U CN 211217058U
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Abstract
The utility model belongs to the technical field of machine-made sand production, and discloses a sand making system for mixing and screening raw materials and finished products, which comprises a raw material storage bin, a sand making machine, a hoisting machine and a screening device, wherein a feed port of the sand making machine is connected with a raw material supply device, and a discharge port of the sand making machine is connected with a feed port of the hoisting machine through a finished product conveying mechanism; a discharge port of the hoister is connected with a feed port of the screening device, and a first raw material conveying device is arranged between the discharge port of the raw material storage bin and the feed port of the hoister; each sand discharge hole of the screening device is respectively connected with the corresponding feed inlet of the finished product bin, and the raw material discharge hole of the screening device is connected with the feed inlet of the raw material storage bin or the sand making machine through the material returning mechanism. This system sand system promotes to screening plant to sieve simultaneously by the lifting machine through with raw materials and mechanism sand finished product material, because the particle diameter of raw materials is big, and weight is heavy, under the action of gravity, can drive mechanism sand finished product material and flow fast in screening plant, has improved screening efficiency.
Description
Technical Field
The utility model belongs to the technical field of machine-made sand production, concretely relates to system sand system that mixes screening is carried out raw materials and finished product material.
Background
The machine-made sand is made into particles with the particle size less than 5mm by blasting, crushing and screening rocks. The machine-made sand is rich in edges and corners, is relatively clean, is different from natural sand and common stone chips, and is an ideal concrete fine aggregate. Most of the common concrete prepared in China adopts yellow sand, and only when the qualified yellow sand is lacked, the machine-made sand is adopted. But the foreign concrete adopts machine-made sand besides yellow sand. Since 1994, our country has conducted experimental research and engineering application on the physical properties and mineral composition of machine-made sand and the compressive strength, tensile strength at cleavage, elastic modulus, flexural strength, shrinkage creep and the like of concrete prepared from machine-made sand, and practice shows that it is technically feasible and economically reasonable to prepare concrete by machine-made sand instead of natural sand.
In the existing sand making system, machine-made sand prepared by a sand making machine is conveyed to a screening device through a conveying device to be screened in the sand making process, so that machine-made sand with different grades is obtained. However, because the machine-made sand has small particle size and light weight, the flow velocity is too slow after entering the screening device, and even the accumulation phenomenon occurs, thereby affecting the screening efficiency.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a system sand system that mixes screening is carried out raw materials and finished product material 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 sand making system for mixing and screening raw materials and finished product materials comprises a raw material storage bin, a sand making machine, a lifter and a screening device, wherein a feed port of the sand making machine is connected with a raw material supply device, and a discharge port of the sand making machine is connected with a feed port of the lifter through a finished product conveying mechanism; the discharge hole of the hoister is connected with the feed inlet of the screening device, and a first raw material conveying device is arranged between the discharge hole of the raw material storage bin and the feed inlet of the hoister; every grit discharge gate of screening plant is connected with the feed inlet in the finished product storehouse that corresponds respectively, screening plant's raw materials discharge gate pass through feed back mechanism with raw materials storage storehouse or the feed inlet of system sand machine is connected.
Furthermore, a second raw material conveying device is arranged between the discharge hole of the raw material storage bin and the feed inlet of the sand making machine.
Further, the finished product conveying mechanism, the first raw material conveying device, the second raw material conveying device and the material returning mechanism are all screw conveyors.
Further, the raw material storage bin comprises a first discharge port and a second discharge port, and the first discharge port is arranged at the bottom of the raw material storage bin and is connected with the feed end of the first raw material conveying device; the second discharge hole is formed in the middle of the raw material storage bin and connected with the feeding end of the second raw material conveying device, and a valve is arranged at the second discharge hole.
Further, the lifter is a bucket lifter.
Further, the screening device comprises a vibrating screen and a storm type sand-powder separator; the feed inlet of shale shaker with the discharge gate of lifting machine is connected, the discharge end of shale shaker is provided with the grit discharge gate with the raw materials discharge gate, the grit discharge gate with the grit feed inlet of storm-type sand powder separator is connected.
Furthermore, the storm type sand-powder separator comprises a casing, the sand feeding hole is formed in one side of the top of the casing, an air draft dust removal pipe is arranged on the other side, far away from the sand feeding hole, of the top of the casing, and the air draft dust removal pipe is connected with an air draft dust removal device; the bottom of the casing is sequentially provided with a fine sand discharge hole, a medium sand discharge hole and a coarse sand discharge hole along the direction of the air draft dust removal pipe towards the sand feed hole; and an air supply device is arranged on one side of the casing close to the feed inlet.
Furthermore, an organic sand humidifier is arranged at the medium sand discharge hole.
Compared with the prior art, the utility model provides a technical scheme has following beneficial effect or advantage:
the utility model provides a system sand system that mixes screening with raw materials and finished product material promotes to screening plant to sieve simultaneously by the lifting machine through the mechanism sand finished product material with raw materials and preparation, because the particle diameter of raw materials is big, and weight is heavy, under the action of gravity, can drive mechanism sand finished product material and flow fast in screening plant to improve screening efficiency.
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 sand making system for mixing and screening raw materials and finished materials according to an embodiment of the present invention;
fig. 2 is a top view of a sand making system for mixing and screening raw materials and finished materials according to an embodiment of the present invention;
fig. 3 is a side view of a sand making system for mixing and screening raw material and finished material according to an embodiment 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.
As shown in fig. 1 to 3, an embodiment of the present invention provides a sand making system for mixing and screening raw materials and finished materials, which includes a raw material storage bin 1, a sand making machine 2, a hoisting machine 3 and a screening device 4, wherein a feed inlet of the sand making machine 2 is connected with a raw material supply device, and a discharge outlet of the sand making machine 2 is connected with a feed inlet of the hoisting machine 3 through a finished product conveying mechanism 5; a discharge hole of the hoister 3 is connected with a feed hole of the screening device 4, and a first raw material conveying device 6 is arranged between the discharge hole of the raw material storage bin 1 and the feed hole of the hoister 3; each sand discharge hole of the screening device 4 is respectively connected with the corresponding feed inlet of the finished product bin, and the raw material discharge hole of the screening device 4 is connected with the feed inlet of the raw material storage bin 1 or the sand making machine 2 through a material returning mechanism.
In specific implementation process, in normal production process, system sand machine 2 in the embodiment of the utility model is by raw materials supply device feeds. Work as raw materials feeding device can't feed or can't supply during sufficient material, in order to avoid this system sand system that mixes screening with raw materials and finished product material to appear idling, in further embodiment, the embodiment of the utility model provides a still be provided with second raw materials conveyor 7 between the discharge gate of raw materials storage storehouse 1 and the feed inlet of system sand machine 2, supply the system sand machine 2 with the raw materials in the raw materials storage storehouse 1 through second conveyor 7 in, ensure that system sand machine 2 does not appear idling, avoid extravagant.
In specific implementation, no matter be the raw materials in the raw materials storage storehouse, still the finished product material that makes in the system sand machine 2, all be small-grain diameter granule, in order to transport these raw materials and finished product material better, in further embodiment, the embodiment of the utility model provides an in finished product conveying mechanism 5, first raw materials conveyor 6, second raw materials conveyor 7 and feed back mechanism all adopts screw conveyer. The screw conveyer has the advantages of simple structure, small cross-sectional area, good sealing performance, convenient operation, easy maintenance, convenient closed transportation and the like, and can effectively avoid dust emission and reduce environmental pollution in the process of transporting raw materials and finished materials.
In a specific implementation, the first material conveying device 6 needs to continuously convey the material to the lifting machine 3 as long as the sand making machine works, so that the screening efficiency is ensured, and the second material conveying device 7 works only when the material supply device cannot supply enough material. In order to facilitate management and control of the first raw material conveying device 6 and the second raw material conveying device 7, in a further embodiment, the raw material storage bin 1 in the embodiment of the present invention includes a first discharge port 11 and a second discharge port 12, and the first discharge port is disposed at the bottom of the raw material storage bin 1 and connected to a feed end of the first raw material conveying device 6; the second discharge hole 12 is arranged in the middle of the raw material storage bin 1 and connected with the feed end of the second raw material conveying device 7, and the second discharge hole 12 is provided with a valve 13.
In specific implementation process, the kind of lifting machine has a lot, for example bucket elevator, hydraulic lifting machine, DZC bobbing machine, wound form lifting machine etc. because the embodiment of the utility model provides an in the lifting machine raw materials and finished product material all be small-grain diameter granule material, consequently, in further embodiment, the embodiment of the utility model provides an in 3 concrete adoption bucket elevator of lifting machine. The bucket elevator has the obvious advantages of large conveying capacity, high lifting height, stable and reliable operation and long service life, and is suitable for continuous vertical lifting of powdery, granular and small materials.
In a specific implementation process, the screening device has a plurality of types, and since the finished material and the raw material in the embodiment of the present invention contain sand, stone, dust and other substances, in order to obtain clean sand and stone materials with different gradations, in a further embodiment, the screening device 4 in the embodiment of the present invention specifically includes a vibrating screen 41 and a storm type sand-powder separator 42; the feed inlet of the vibrating screen 41 is connected with the discharge outlet of the hoisting machine 3, the discharge end of the vibrating screen 41 is provided with a sand discharge outlet and the raw material discharge outlet, the sand discharge outlet is connected with the sand feed inlet of the storm type sand-powder separator 42, raw materials and finished product sand are screened out through the vibrating screen 41, the raw materials flow out of the raw material discharge outlet, the finished product sand enters the storm type sand-powder separator 42 from the sand discharge outlet to be separated into sand and powder, and therefore clean sand can be obtained.
In a specific implementation process, the storm-type sand-powder separator 42 in the embodiment of the present invention specifically includes a casing 421, the sand feed port is disposed on one side of the top of the casing 421, the other side of the top of the casing 421, which is far away from the sand feed port, is provided with an air-extracting dust-removing pipe 422, and the air-extracting dust-removing pipe 422 is connected to an air-extracting dust-removing device; the bottom of the casing 421 is provided with a fine sand outlet 423, a medium sand outlet 424 and a coarse sand outlet 425 in sequence along the direction of the air draft dust removal pipe 422 towards the sand inlet; an air supply device is arranged on one side of the machine shell 421 close to the feeding hole.
In specific implementation, for the control of follow-up concrete mixing water consumption, for further implementation, the embodiment of the utility model provides a set up organic sand humidifier 426 at middling sand discharge gate 424. Set up quick-witted sand humidifier 426 and carry out humidification treatment to the middling sand, can make the moisture content of middling sand reach the dry state of saturation face, be favorable to the control of follow-up concrete mix water consumption, can reduce segregation and raise dust in the transportation simultaneously.
The embodiment of the utility model provides a system sand system's that mixes screening with raw materials and finished product material theory of operation as follows:
opening each device in the sand making system for mixing and screening the raw material and the finished product material, wherein the raw material supply device supplies the raw material to the sand making machine 2, the sand making machine makes the raw material into the finished product sand, and then the finished product sand is conveyed to a feed inlet of the elevator 3 through the finished product conveying mechanism 5, meanwhile, a first discharge port 11 in the raw material storage bin 1 is opened, and the raw material in the raw material storage bin 1 is conveyed to the feed inlet of the elevator 3 through the first raw material conveying device 6; the raw material and the finished sand are lifted by the lifter 3 to the vibrating screen 41; and the raw material and the finished product sand are screened by the vibrating screen 41 to be separated, the raw material and the finished product sand flow out from the raw material discharge port and flow back to the raw material storage bin 1 or the sand making machine 2 through the material return mechanism, the finished product sand enters the storm type sand-powder separator 42 from the sand discharge port to be separated from sand powder, and finally, clean coarse sand, medium sand and fine sand are obtained. When the raw material supply device can not supply sufficient raw materials to the sand making machine 2, the second discharge hole 12 of the raw material storage bin 1 is opened, the raw materials in the raw material storage bin 1 are supplied to the sand making machine 2 through the second conveying device 7, idle running of the sand making machine 2 is guaranteed, and energy waste is avoided.
The embodiment of the utility model provides a system sand system that mixes screening with raw materials and finished product material promotes to screening plant by the lifting machine simultaneously through the mechanism sand finished product material with raw materials and preparation and sieves, because the particle diameter of raw materials is big, and weight is heavy, under the action of gravity, can drive mechanism sand finished product material fast flow in screening plant to improve screening efficiency.
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 (8)
1. A sand making system for mixing and screening raw materials and finished products comprises a raw material storage bin (1), a sand making machine (2), a lifting machine (3) and a screening device (4), and is characterized in that a feed port of the sand making machine (2) is connected with a raw material supply device, and a discharge port of the sand making machine (2) is connected with a feed port of the lifting machine (3) through a finished product conveying mechanism (5); a discharge hole of the hoister (3) is connected with a feed hole of the screening device (4), and a first raw material conveying device (6) is arranged between the discharge hole of the raw material storage bin (1) and the feed hole of the hoister (3); every grit discharge gate of screening plant (4) is connected with the feed inlet in the finished product storehouse that corresponds respectively, the raw materials discharge gate of screening plant (4) pass through feed back mechanism with raw materials storage storehouse (1) or the feed inlet of system sand machine (2) is connected.
2. The sand making system for mixing and screening raw materials and finished materials according to claim 1, wherein a second raw material conveying device (7) is further arranged between the discharge hole of the raw material storage bin (1) and the feed hole of the sand making machine (2).
3. A sand making system with mixed screening of raw material and finished material according to claim 2, characterized in that the finished product conveying mechanism (5), the first raw material conveying device (6), the second raw material conveying device (7) and the material returning mechanism are all screw conveyors.
4. The sand making system for mixing and screening raw materials and finished materials according to claim 2, wherein the raw material storage bin (1) comprises a first discharge port (11) and a second discharge port (12), the first discharge port is arranged at the bottom of the raw material storage bin (1) and is connected with the feeding end of the first raw material conveying device (6); the second discharge hole (12) is formed in the middle of the raw material storage bin (1) and connected with the feeding end of the second raw material conveying device (7), and a valve (13) is arranged at the second discharge hole (12).
5. A sand making system for mixing and screening of raw and finished materials according to claim 1, characterised in that the elevator (3) is a bucket elevator.
6. A sand system for mixed screening of raw and finished material according to claim 1, characterised in that the screening device (4) comprises a vibrating screen (41) and a storm sand separator (42); the feed inlet of the vibrating screen (41) is connected with the discharge hole of the hoisting machine (3), the discharge end of the vibrating screen (41) is provided with a sand discharge hole and the raw material discharge hole, and the sand discharge hole is connected with the sand feed inlet of the storm type sand-powder separator (42).
7. The sand making system for mixing and screening raw materials and finished materials according to claim 6, wherein the storm type sand-powder separator (42) comprises a casing (421), the sand feeding hole is formed in one side of the top of the casing (421), an air draft dust removal pipe (422) is arranged on the other side, away from the sand feeding hole, of the top of the casing (421), and the air draft dust removal pipe (422) is connected with an air draft dust removal device; the bottom of the machine shell is sequentially provided with a fine sand discharge hole (423), a medium sand discharge hole (424) and a coarse sand discharge hole (425) along the air draft dust removal pipe (422) towards the direction of the sand feed hole; and an air supply device is arranged on one side of the machine shell (421) close to the feeding hole.
8. A sand making system for mixing and screening of raw and finished materials according to claim 7, wherein the medium sand outlet (424) is provided with an organic sand humidifier (426).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201922071193.0U CN211217058U (en) | 2019-11-26 | 2019-11-26 | Sand making system for mixing and screening raw materials and finished materials |
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| CN201922071193.0U CN211217058U (en) | 2019-11-26 | 2019-11-26 | Sand making system for mixing and screening raw materials and finished materials |
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| CN211217058U true CN211217058U (en) | 2020-08-11 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110893374A (en) * | 2019-11-26 | 2020-03-20 | 成都市玄戈自动化控制技术有限公司 | Sand making system for mixing and screening raw materials and finished materials |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110893374A (en) * | 2019-11-26 | 2020-03-20 | 成都市玄戈自动化控制技术有限公司 | Sand making system for mixing and screening raw materials and finished materials |
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Effective date of registration: 20220728 Address after: 641300 Room 203 for park management services, Zhonghe Town, Yanjiang District, Ziyang City, Sichuan Province Patentee after: Ziyang Guangwei Intelligent Equipment Co.,Ltd. Address before: 610000 Room 301, floor 3, unit 5, building 12, No. 309, NanEr Road, economic and Technological Development Zone, Chengdu Economic and Technological Development Zone, Sichuan Province (Dingfeng power port) Patentee before: Chengdu xuange Automation Control Technology Co.,Ltd. |