CN211217059U - Machine sand gravel production system with adjustable production capacity at all levels - Google Patents
Machine sand gravel production system with adjustable production capacity at all levels Download PDFInfo
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- CN211217059U CN211217059U CN201922073567.2U CN201922073567U CN211217059U CN 211217059 U CN211217059 U CN 211217059U CN 201922073567 U CN201922073567 U CN 201922073567U CN 211217059 U CN211217059 U CN 211217059U
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Abstract
The utility model belongs to the technical field of gravel production, and discloses a machine sand gravel production system with adjustable production capacity at all levels, which comprises a crusher, a sand making machine, a lifter and a screening device, wherein a feed inlet of the crusher is connected with a raw material feeding hopper, a discharge outlet of the crusher is connected with a feed inlet of the lifter, and a discharge outlet of the lifter is connected with a feed inlet of the screening device; the screening device comprises a sand material discharge port, a plurality of broken stone discharge ports and a stone discharge port, the stone discharge ports are connected with a feed port of the crusher, each broken stone discharge port is connected with a corresponding storage bin through a grading adjustment conveying device, a flash port is arranged at the joint of each grading adjustment conveying device and the corresponding broken stone discharge port, and each flash port is connected with the feed port of the crusher or the sand making machine respectively; the discharge port of the sand making machine is connected with the feed port of the hoister. This machine sand gravel production system that the production volume can be regulated and control is joined in marriage at different levels can be to the output control of grit at different levels, and guarantee grit output can satisfy the user demand.
Description
Technical Field
The utility model belongs to the technical field of the grit production, concretely relates to machine sand rubble production system that production rate can be regulated and control at different levels.
Background
The concrete is called concrete (t xi ng) for short, which is a general name of engineering composite materials formed by cementing aggregate into a whole by cementing materials. The term concrete generally refers to cement as a cementing material and sand and stone as aggregate; the cement concrete is also called as common concrete and is obtained by mixing the cement concrete and water (which can contain additives and admixture) according to a certain proportion and stirring. Because the concrete has the characteristics of rich raw materials, low price and simple production process, 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.
In the process of preparing concrete, sand and stone materials are necessary, but the conventional sand and stone material production system is usually insufficient in the production process of the sand and stone materials, the yield of stones (5-10mm and 10-15mm aggregates) is excessive, and the yield ratio of the sand and the stones is uncontrollable, so that the sand is not enough to use.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a machine sand rubble production system that the allotment yields at different levels can be regulated and control 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 machine sand gravel production system with adjustable production capacity at each level comprises a crusher, a sand making machine, a lifter and a screening device, wherein a feed inlet of the crusher is connected with a raw material feeding hopper through a raw material conveying device, a discharge outlet of the crusher is connected with a feed inlet of the lifter, and a discharge outlet of the lifter is connected with a feed inlet of the screening device; the screening device comprises a sand material discharge port, a plurality of crushed stone discharge ports with different gradations and a stone discharge port, the stone discharge port is connected with a feed port of the crusher, each crushed stone discharge port is connected with a corresponding storage bin through a gradation adjusting and conveying device, a flash port is arranged at the joint of each gradation adjusting and conveying device and the corresponding crushed stone discharge port, and each flash port is connected with the feed port of the crusher or the sand making machine; and the discharge hole of the sand making machine is connected with the feed inlet of the hoister.
Further, the broken stone discharge port comprises a broken stone discharge port of 5-10mm, a broken stone discharge port of 10-15mm and a broken stone discharge port of 15-27 mm.
Further, the grading adjustment conveying device connected with the crushed stone discharge port of 5-10mm and the crushed stone discharge port of 10-15mm is a screw conveyor; the grading adjustment conveying device connected with the 15-27mm crushed stone discharge port is a belt conveyor; and the driving devices of the spiral conveyor and the belt conveyor are both speed-regulating variable frequency motors.
Furthermore, the overflow opening corresponding to the belt conveyor is connected with the feed inlet of the crusher, and the overflow opening corresponding to the screw conveyor is connected with the feed inlet of the sand making machine.
Furthermore, a material supplementing conveying device is further connected to a material outlet of the storage bin corresponding to the 15-27mm broken stone outlet, and an output end of the material supplementing conveying device is connected with a material inlet of the elevator.
Furthermore, a sand material discharge port of the screening device is also connected with a multistage air separation screening device.
Furthermore, the multistage air distribution screening device comprises a shell, an air separation channel is arranged in the shell, a feed inlet of the air separation channel is connected with a sand material discharge port of the screening device, a blower is arranged at one end, close to the feed inlet of the air separation channel, in the shell, and an air outlet of the blower is connected with the feed inlet of the air separation channel; the other end of the winnowing channel, which is far away from the feeding hole, is connected with a heavy removal mechanism, the top of the heavy removal mechanism is provided with an air draft dust removal pipe, and the bottom of the heavy removal mechanism is provided with a fine sand discharging hole; one end of the air draft dust removal pipe extends out of the shell and is connected with an air draft dust remover; the bottom of the winnowing channel is provided with a receiving hopper, a discharge port of the receiving hopper is connected with a screening mechanism arranged at the bottom of the shell, one end of the screening mechanism, which is far away from the heavy removal mechanism, is provided with a coarse sand discharge port, and the bottom of the screening mechanism is provided with a medium sand conveying mechanism; and a medium sand discharge hole is formed in one end, far away from the coarse sand discharge hole, of the medium sand conveying mechanism.
Furthermore, the air outlet of the blower is flat, and the shape of the feed inlet of the air separation channel is long-strip-shaped and matched with the air outlet of the blower.
Furthermore, the coarse sand discharge port is also connected with a coarse sand grading adjustment conveying screw, the joint of the coarse sand grading adjustment conveying screw and the coarse sand discharge port is provided with a coarse sand overflow port, the coarse sand overflow port is connected with a reverse beating conveying screw, and the output end of the reverse beating conveying screw is connected with the sand making machine.
Further, the heavy removal mechanism comprises a heavy removal box, the bottom of the heavy removal box is of a funnel structure, and the fine sand discharge hole is formed in the bottom end of the funnel structure of the heavy removal box; the box top of the heavy-load removal box comprises a high-side box top and a low-side box top, the high-side box top is connected with the air draft dust removal pipe, and a feeding hole is formed in the top of the low-side box top.
Compared with the prior art, the utility model provides a technical scheme has following beneficial effect or advantage:
the utility model provides a machine sand rubble production system that production can be regulated and control is joined in marriage at every rubble discharge gate at every level sets up a gradation adjustment conveyor, sets up the flash between gradation adjustment conveyor and rubble discharge gate and collects the fill, and the flash is collected and is fought and breaker or system sand machine and be connected, and through regulating and controlling gradation adjustment conveyor's transport speed, the output of controlling the grit at all levels is joined in marriage, has realized the output control to joining in marriage the grit at all levels, ensures the grit effectively and can satisfy the user demand.
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 an engine sand gravel production system with adjustable production yields at all levels according to an embodiment of the present invention;
FIG. 2 is a side view of a machine-sand gravel production system with adjustable production capacity at each stage according to an embodiment of the present invention;
FIG. 3 is a top view of a machine-sand gravel production system with adjustable production capacity at each stage according to an embodiment of the present invention;
fig. 4 is a schematic structural view of a multistage air separation screening device in embodiment 2 of the present invention;
fig. 5 is a sectional view of a multistage air separation screening device in embodiment 2 of the present invention;
fig. 6 is a schematic structural view of a removing mechanism 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 to 3, an embodiment of the present invention provides a machine sand gravel production system with adjustable production yields at all levels, which comprises a crusher 1, a sand making machine 2, a hoisting machine 3 and a screening device 4, wherein a feed inlet of the crusher 1 is connected with a raw material feeding hopper 6 through a raw material conveying device 5, a discharge outlet of the crusher 1 is connected with a feed inlet of the hoisting machine 3, and a discharge outlet of the hoisting machine 3 is connected with a feed inlet of the screening device 4; the screening device 4 comprises a sand material discharge port, a plurality of crushed stone discharge ports with different gradations and a stone discharge port 41, the stone discharge port 41 is connected with a feed port of the crusher 1, each crushed stone discharge port is connected with a corresponding storage bin through a gradation adjusting and conveying device 7, a discharge hole is arranged at the joint of each gradation adjusting and conveying device 7 and the corresponding crushed stone discharge port, and each discharge hole is connected with the feed port of the crusher 1 or the sand making machine 2; the discharge hole of the sand making machine 2 is connected with the feed inlet of the hoister 3.
In a specific implementation process, it should be noted that, because the raw materials for producing the gravel are all stones, the raw material conveying device in the embodiment of the present invention preferably uses a belt conveyor, and of course, other types of conveyors may also be used, which is not limited herein. The embodiment of the utility model provides an in the screening plant can be the vibration screening plant, also can be other screening plant, does not do the restriction here.
In a specific implementation process, because different concretes have different requirements for the particle size of the crushed stone, in order to meet the use requirements of different concretes, in a further embodiment, the crushed stone discharge ports in the embodiment of the present invention include a discharge port of 5-10mm crushed stone discharge port 42, a discharge port of 10-15mm crushed stone discharge port 43, and a discharge port of 15-27mm crushed stone 44.
In a specific implementation process, in order to avoid the produced small-particle size stones from being lost due to environmental influences in the process of being conveyed to the storage bin, such as being blown off by wind, in a further implementation scheme, the grading adjustment conveying device 8 connected with the crushed stone discharge port 42 of 5-10mm and the crushed stone discharge port 43 of 10-15mm in the embodiment of the present invention is a screw conveyer; the grading adjustment conveying device 8 connected with the 15-27mm crushed stone discharge port 44 is a belt conveyor; and the driving devices of the spiral conveyor and the belt conveyor are both speed-regulating variable frequency motors.
In a specific implementation process, the sand making machine 2 has requirements on the particle size of the feeding material, which is not easy to be larger than 20mm, otherwise the service life of the sand making machine 2 is affected, whereas the overflow port of the belt conveyor overflows 15-27mm of crushed stone, part of the crushed stone has too large particle size, so that the crushed stone needs to be sent back to the crusher 1 again for secondary crushing, and the overflow port of the screw conveyor overflows 5-10mm and 10-15mm of crushed stone, which can be directly sent to the sand making machine 2 for sand making. Therefore, in a further embodiment, in the embodiment of the present invention, the belt conveyer corresponds the overflow port is connected to the feed inlet of the crusher 1, and the screw conveyer corresponds the overflow port is connected to the feed inlet of the sand making machine 2.
In the concrete implementation process, because the particle diameter of 15-27mm rubble is big, output is high, collects fully easily, and the particle diameter of the rubble of other particle diameters and sand is little, output is low, consequently, in order to ensure the production of the rubble of other particle diameters and sand, in further embodiment, the embodiment of the utility model provides a 15-27mm rubble discharge gate 44 correspond the discharge gate of storage silo still is connected with feed supplement conveyor 8, and feed supplement conveyor 8's output is connected with the feed inlet of lifting machine 3.
The embodiment of the utility model provides a machine sand rubble production system that the allotment of production at different levels can be regulated and control's theory of operation as follows:
first, a machine such as a loader is used to feed a raw material into a raw material feed hopper 6; then the raw material enters a crusher 1 along with a raw material conveying device 5 for crushing; the crushed stone enters a screening device 4 through a lifter 3 to be screened, and stone blocks larger than 27mm, broken stone of 15-27mm, broken stone of 10-15mm, broken stone of 5-10mm and sand materials smaller than 5mm are respectively obtained; then, the stones larger than 27mm are returned to the crusher 1 for secondary crushing, 15-27mm broken stones, 10-15mm broken stones and 5-10mm broken stones are respectively conveyed to corresponding storage bins through corresponding grading adjustment conveying devices 7 for in-out storage, and the sand materials smaller than 5mm are conveyed to sand bins for in-out storage.
When the yield of the crushed stones with the diameter of 15-27mm needs to be reduced and the yield of the crushed stones with the diameter of 10-15mm needs to be increased, the conveying speeds of the grading adjustment conveying devices 7 corresponding to the crushed stones with the diameter of 15-27mm and the conveying speeds of the grading adjustment conveying devices 7 corresponding to the crushed stones with the diameter of 10-15mm are respectively adjusted, so that the crushed stones with the diameter of 15-27mm overflow from the overflow port and enter the crusher 1 to be crushed for 2 times, and the yield of the crushed stones with the diameter of 15-27mm is reduced; the conveying speed of the grading adjustment conveying device 7 corresponding to the crushed stones of 10-15mm is increased, so that the crushed stones of 15-27mm can be conveyed away quickly, overflow of the crushed stones is avoided, and the yield of the crushed stones of 10-15mm is increased.
By analogy, the adjustable and controllable yield of each stage is realized.
Example 2
Compared with the embodiment 1, the embodiment of the utility model provides a different point lies in, the embodiment of the utility model provides a sand material discharge gate at screening plant 4 still is connected with multistage selection by winnowing screening plant 9, as shown in fig. 1-6. Carry out further screening dust removal to sand material through multistage selection in advance selection by winnowing screening plant, realize the screening that becomes more meticulous to sand material, further ensure concrete or asphalt concrete's quality.
In a specific implementation process, the multi-stage air distribution screening device 9 in the embodiment of the present invention includes a housing 90, an air separation channel 91 is disposed in the housing 90, a feed inlet of the air separation channel 91 is connected to a sand discharge port of the screening device 4, a blower is disposed at one end of the housing 90 close to the feed inlet of the air separation channel 91, and an air outlet of the blower is connected to the feed inlet of the air separation channel 91; the other end of the air separation channel 91, which is far away from the feeding hole, is connected with a heavy removal mechanism 92, the top of the heavy removal mechanism 92 is provided with an air draft dust removal pipe 93, and the bottom of the heavy removal mechanism is provided with a fine sand discharging hole 94; one end of the exhaust dust removal pipe 94 extends out of the shell 90 and is connected with the exhaust dust remover; a receiving hopper 95 is arranged at the bottom of the winnowing channel 91, a discharge port of the receiving hopper 95 is connected with a screening mechanism 96 arranged at the bottom of the shell 90, a coarse sand discharge port 97 is arranged at one end of the screening mechanism 96 far away from the heavy removal mechanism 92, and a medium sand conveying mechanism 98 is arranged at the bottom of the screening mechanism 96; a medium sand discharge port 99 is arranged at one end of the medium sand conveying mechanism 98 far away from the coarse sand discharge port 97.
In the concrete implementation, in order to make full use of the wind power of the blower, in a further embodiment, in the embodiment of the present invention, the air outlet of the blower is flat, and the feed inlet 4 of the winnowing channel 91 is in a long strip shape matched with the air outlet of the blower. The air outlet of the blower is flat, so that the air blown out by the blower tends to a plane as much as possible; and set the feed inlet of selection by winnowing passageway 91 into with the rectangular form that the air outlet of hair-dryer matches for the finished product sand that gets into selection by winnowing passageway 91 can form one with the plane wind vertically finished product sand charge level that the air outlet blew out, such setting can utilize better the wind-force of hair-dryer avoids the wasting of resources.
In specific implementation, control in order to realize the sand material output to different particle diameters, in further embodiment, the embodiment of the utility model provides an in coarse sand discharge gate 907 still be connected with the coarse sand gradation and adjust conveying screw 910, the coarse sand gradation is joined in marriage the junction of adjusting conveying screw 910 and coarse sand discharge gate 907 and is provided with the coarse sand overflow mouth, the coarse sand overflow mouth is connected with and is reversed to beat conveying screw 911, and the output of reversely beating conveying screw 911 is connected with system sand machine 2. When the coarse sand yield is sufficient and the yields of medium sand and fine sand are insufficient, the conveying speed of the conveying screw 910 is adjusted by reducing the coarse sand gradation, so that the coarse sand overflows from the coarse sand overflow outlet and enters the reverse beating conveying screw 911, and then is conveyed to the sand making machine 2 by the reverse beating conveying screw 911 for secondary sand making, and further more medium sand and fine sand are obtained.
In a specific implementation process, the structure of the re-removing mechanism is various, and in a further implementation scheme, the re-removing mechanism 902 in the embodiment of the present invention includes a re-removing box 9021, the bottom of the re-removing box 9021 is of a funnel structure, and the fine sand discharge port 904 is disposed at the bottom end of the funnel structure of the re-removing box 9021; the top of the heavy-side box 9021 comprises a high-side box top 9022 and a low-side box top 9023, the high-side box top 9022 is connected with the air draft dust removal pipe 903, and the top of the low-side box top 9023 is provided with a feeding hole. By adopting the heavy removal mechanism with the structure, fine sand and dust entering the heavy removal mechanism need to flow downwards firstly, then the dust flows upwards by bypassing the side wall between the high-side box top 9022 and the low-side box top 9023 under the action of the air draft dust removal device, so that the fine sand can not enter the air draft dust removal pipe 903, and the loss is effectively avoided.
The embodiment of the utility model provides an in multistage selection by winnowing screening plant's theory of operation as follows:
the sand material sieved by the sieving device 4 is sent into a feeding hole of the air separation channel 91 through a conveying device, and the sand material entering the feeding hole is blown to the other end of the air separation channel 91 by the blower; the sand material entering the winnowing channel 91 is separated under the action of wind power and gravity to obtain medium coarse sand and a mixture of fine sand and dust, then the mixture of fine sand and dust enters the gravity removal mechanism 92 to be separated into fine sand and powder, and the medium coarse sand enters the screening mechanism 96 to be screened to respectively obtain clean coarse sand and medium sand.
The utility model discloses above-mentioned embodiment provides the machine sand rubble production system that the product can be regulated and control of joining in marriage at different levels has realized the output control to joining in marriage the grit at different levels, ensures the grit effectively and can satisfy the user demand.
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 (10)
1. The machine sand gravel production system with adjustable production rates at all levels is characterized by comprising a crusher (1), a sand making machine (2), a lifter (3) and a screening device (4), wherein a feed inlet of the crusher (1) is connected with a raw material feeding hopper (6) through a raw material conveying device (5), a discharge outlet of the crusher (1) is connected with a feed inlet of the lifter (3), and a discharge outlet of the lifter (3) is connected with a feed inlet of the screening device (4); the screening device (4) comprises a sand material discharge port, a plurality of crushed stone discharge ports with different gradations and a stone discharge port (41), the stone discharge port (41) is connected with a feed port of the crusher (1), each crushed stone discharge port is connected with a corresponding storage bin through a gradation adjusting and conveying device (7), a flash port is arranged at the joint of each gradation adjusting and conveying device (7) and the corresponding crushed stone discharge port, and each flash port is connected with the feed port of the crusher (1) or the sand making machine (2) respectively; and the discharge hole of the sand making machine (2) is connected with the feed inlet of the hoister (3).
2. The machine-sand-gravel production system with adjustable production per grade according to claim 1, wherein the gravel outlet comprises a gravel outlet (42) of 5-10mm, a gravel outlet (43) of 10-15mm and a gravel outlet (44) of 15-27 mm.
3. The machine-sand-gravel production system with adjustable production capacity at each level according to claim 2, wherein the grading adjustment conveying device (7) connected with the crushed-stone discharge port (42) of 5-10mm and the crushed-stone discharge port (43) of 10-15mm is a screw conveyor; the grading adjustment conveying device (7) connected with the 15-27mm crushed stone discharge port (44) is a belt conveyor; and the driving devices of the spiral conveyor and the belt conveyor are both speed-regulating variable frequency motors.
4. The machine-sand-gravel production system with adjustable production rates of all levels according to claim 3, wherein the overflow port corresponding to the belt conveyor is connected with the feed port of the crusher (1), and the overflow port corresponding to the screw conveyor is connected with the feed port of the sand making machine (2).
5. The machine-sand-gravel production system with adjustable production rates of all levels according to claim 4, wherein the discharge port of the storage bin corresponding to the 15-27mm gravel discharge port (44) is further connected with a supplementary material conveying device (8), and the output end of the supplementary material conveying device (8) is connected with the feed port of the elevator (3).
6. The machine-made sand-gravel production system with adjustable production per grade according to any one of claims 1 to 5, characterized in that a sand material discharge port of the screening device (4) is further connected with a multi-grade winnowing screening device (9).
7. The machine-sand-gravel production system with adjustable grading production capacity according to claim 6, wherein the multistage air separation screening device (9) comprises a shell (900), an air separation channel (901) is arranged in the shell (900), a feed inlet of the air separation channel (901) is connected with a sand material discharge port of the screening device (4), a blower is arranged at one end, close to the feed inlet of the air separation channel (901), in the shell (900), and an air outlet of the blower is connected with the feed inlet of the air separation channel (901); the other end of the air separation channel (901), which is far away from the feeding hole, is connected with a re-removing mechanism (902), the top of the re-removing mechanism (902) is provided with an air draft dust removal pipe (903), and the bottom of the re-removing mechanism is provided with a fine sand discharging hole (904); one end of the air draft dust removal pipe (903) extends out of the shell (900) and is connected with an air draft dust remover; a receiving hopper (905) is arranged at the bottom of the winnowing channel (901), a discharge hole of the receiving hopper (905) is connected with a screening mechanism (906) arranged at the bottom of the shell (900), a coarse sand discharge hole (907) is arranged at one end, far away from the re-removing mechanism (902), of the screening mechanism (906), and a medium sand conveying mechanism (908) is arranged at the bottom of the screening mechanism (906); and a medium sand discharge hole (909) is formed in one end, far away from the coarse sand discharge hole (907), of the medium sand conveying mechanism (908).
8. The machine-sand-gravel production system with adjustable production per grade according to claim 7, wherein the air outlet of the blower is flat, and the feed inlet of the air separation channel (901) is long and matched with the air outlet of the blower.
9. The machine-sand-gravel production system with adjustable production rates of all levels according to claim 7, wherein the coarse sand discharge port (907) is further connected with a coarse sand grading adjustment conveying screw (910), a coarse sand overflow port is arranged at the joint of the coarse sand grading adjustment conveying screw (910) and the coarse sand discharge port (907), the coarse sand overflow port is connected with a reverse beating conveying screw (911), and the output end of the reverse beating conveying screw (911) is connected with the sand making machine (2).
10. The machine-sand gravel production system with adjustable production allocation at each stage according to claim 9, wherein the re-removing mechanism (902) comprises a re-removing box (921), the bottom of the re-removing box (921) is of a funnel structure, and the fine sand outlet (904) is arranged at the bottom end of the funnel structure of the re-removing box (921); the roof of heavy case (921) that removes includes high side roof (922) and low side roof (923), high side roof (922) with convulsions dust removal pipe (903) are connected, the top of low side roof (923) is provided with the feed inlet.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201922073567.2U CN211217059U (en) | 2019-11-26 | 2019-11-26 | Machine sand gravel production system with adjustable production capacity at all levels |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201922073567.2U CN211217059U (en) | 2019-11-26 | 2019-11-26 | Machine sand gravel production system with adjustable production capacity at all levels |
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| CN211217059U true CN211217059U (en) | 2020-08-11 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110893373A (en) * | 2019-11-26 | 2020-03-20 | 成都市玄戈自动化控制技术有限公司 | Machine sand gravel production system with adjustable production capacity at all levels |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110893373A (en) * | 2019-11-26 | 2020-03-20 | 成都市玄戈自动化控制技术有限公司 | Machine sand gravel production system with adjustable production capacity at all levels |
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Effective date of registration: 20220727 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. |