CN218924923U - Sand making building capable of feeding stably - Google Patents
Sand making building capable of feeding stably Download PDFInfo
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- CN218924923U CN218924923U CN202223510089.5U CN202223510089U CN218924923U CN 218924923 U CN218924923 U CN 218924923U CN 202223510089 U CN202223510089 U CN 202223510089U CN 218924923 U CN218924923 U CN 218924923U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/91—Use of waste materials as fillers for mortars or concrete
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Abstract
The utility model discloses a sand making building capable of stably feeding, which comprises a feeding unit, a lifting unit, a crushing unit, a screening unit, a feed back unit and a control system, wherein the feeding unit is connected with the lifting unit; the feeding unit is arranged below the raw material storage bin and is used for conveying the discharged materials to the crushing unit for crushing through the lifting unit, conveying the crushed materials to the screening unit for screening after the crushing unit is crushed, conveying unqualified materials to the material returning unit, and discharging qualified materials; the return unit is provided with a return metering device for metering the return amount, and the return metering device is connected with the signal input end of the control system. According to the sand making building with stable feeding, the feeding amount of the feeding unit is adjusted by continuously weighing the crushed stone materials through the metering device before the crushed stone materials enter the crushing unit and measuring the feeding amount of the feeding unit, so that the crushed stone materials entering the crushing unit are maximized and kept stable, the production efficiency is improved, and the service life of the crushing unit is prolonged.
Description
Technical Field
The utility model relates to a stable-feeding sand making building, and belongs to the technical field of sand making buildings.
Background
In the use of sand making building equipment, crushed stone raw materials are conveyed into a crusher through a feeding system, the crushing rate of the crusher is greatly influenced due to different materials, particle sizes and water contents of the crushed stone raw materials, the most visual performance is that the feed back amount of the sand making building is greatly changed, if the feed amount of the sand making building is not correspondingly changed or the feed of the sand making building is adjusted after the change of the mechanical and electrical changes of the sand making machine are detected, the feed amount of the sand making machine is in an unstable state, and the sand making machine is in an unstable state for a long time, so that the sand making efficiency and the service life are seriously influenced.
In the prior art, as shown in fig. 3, the system is composed of a raw material storage bin, a variable frequency feeding belt, a control system controls a frequency converter by detecting the current of a main machine during working, and the frequency converter adjusts the frequency of a motor of the feeding belt and the running line speed of the feeding belt, so that the feeding amount of crushed stone raw materials of a sand making building is adjusted.
However, in the prior art, in order to adjust the feeding amount of broken stone of a raw material feeding system, the frequency of a motor is changed by detecting the working current value of a main machine so as to adjust the conveying amount of a feeding belt; according to the scheme, the feeding of the sand making building is regulated after the current change of the sand making machine is detected, and the control has certain time delay; the scheme can control the sand making machine to run in the target current range, but the working state of the sand making machine can be continuously changed in the target current range, so that the feeding amount of the sand making machine can be in an unstable state, and the sand making machine can work in the unstable state for a long time, thereby seriously affecting the sand making efficiency and the service life.
Therefore, in order to solve the above technical problems and realize stable feeding of the sand making building, a sand making building with stable feeding is needed.
Disclosure of Invention
The utility model aims to overcome the defects in the prior art, and provides a sand making building with stable feeding.
In order to achieve the above purpose/solve the above technical problems, the present utility model is realized by adopting the following technical scheme: the sand making building capable of stably feeding is characterized by comprising a feeding unit, a lifting unit, a crushing unit, a screening unit, a feed back unit and a control system;
the feeding unit is arranged below the raw material storage bin and is used for conveying the discharged materials to the crushing unit for crushing through the lifting unit, conveying the crushed materials to the screening unit for screening after the crushing unit is crushed, conveying unqualified materials to the material returning unit, and discharging qualified materials;
the return unit is provided with a return metering device for metering the return amount, and the return metering device is connected with the signal input end of the control system;
the feeding unit comprises a feeding speed control device, and the output end of a signal of the control system is in signal connection with the feeding speed control device.
Further, the feeding speed control device comprises a feeding belt conveyor, the feeding end of the feeding belt conveyor is connected with the discharging end of the raw material storage bin, and the discharging end of the feeding belt conveyor is connected with the feeding end of the lifting unit.
Further, the lifting unit comprises a bucket elevator, the feeding end of the bucket elevator is connected with the discharging end of the feeding unit, and the discharging end of the bucket elevator is connected with the feeding end of the crushing unit.
Further, the crushing unit comprises a sand making machine, the feeding end of the sand making machine is connected with the discharging end of the lifting unit, and the discharging end of the sand making machine is connected with the feeding end of the screening unit.
Further, the screening unit comprises a vibrating screen, a feed back mechanism and a finished product material discharging mechanism; the vibrating screen is used for vibrating screen materials, qualified materials are discharged from the finished product material discharging mechanism, and unqualified materials are discharged from the material returning mechanism to the material returning unit.
Further, the feed back unit includes the feed back belt feeder, the feed end of feed back belt feeder links up with the discharge end of screening unit, the discharge end of feed back belt feeder links up with the feed end of hoisting unit.
Further, the feeding unit is provided with a feeding metering device for metering the feeding amount.
Further, the feed metering device and/or the return metering device comprise a belt scale.
Compared with the prior art, the utility model has the beneficial effects that:
according to the sand making building with stable feeding, the feeding amount of the feeding unit is adjusted by continuously weighing the crushed stone materials through the metering device before the crushed stone materials enter the crushing unit and measuring the feeding amount of the feeding unit, so that the crushed stone materials entering the crushing unit are maximized and kept stable, the production efficiency is improved, and the service life of the crushing unit is prolonged.
Drawings
FIG. 1 is a schematic view of a sand making building according to the first embodiment;
FIG. 2 is a functional block diagram of the control system shown in FIG. 1;
fig. 3 is a prior art schematic.
In the figure: 1. a raw material storage bin; 2. a feeding belt conveyor; 3. bucket elevator; 4. a sand making machine; 5. a vibrating screen; 6. a feed back mechanism; 7. a finished product discharging mechanism; 8. a feed-back belt conveyor; 9. and a control system.
Detailed Description
The utility model is further described below with reference to the accompanying drawings. The following examples are only for more clearly illustrating the technical aspects of the present utility model, and are not intended to limit the scope of the present utility model.
In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first", "a second", etc. may explicitly or implicitly include one or more such feature. In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art in a specific case.
Embodiment one:
as shown in fig. 1, the embodiment provides a sand making building with stable feeding, which comprises a feeding unit, a lifting unit, a crushing unit, a screening unit, a return unit and a control system 9;
the feeding unit is arranged below the raw material storage bin 1 and is used for conveying the discharged materials to the crushing unit for crushing through the lifting unit, conveying the crushed materials to the screening unit for screening after the crushing unit is crushed, conveying unqualified materials to the material returning unit, and discharging qualified materials;
the return unit is provided with a return metering device for metering the return amount, and the return metering device is connected with a signal input end of the control system 9;
the feeding unit comprises a feeding speed control device, and the output end of the signal of the control system 9 is connected with the signal of the feeding speed control device.
In some embodiments, to implement feeding of the lifting unit by the feeding unit, the feeding speed control device includes a feeding belt conveyor 2, where a feeding end of the feeding belt conveyor 2 is engaged with a discharging end of the raw material storage bin 1, and a discharging end of the feeding belt conveyor 2 is engaged with a feeding end of the lifting unit.
In some embodiments, to achieve that the lifting unit feeds the feeding unit to the crushing unit, the lifting unit comprises a bucket elevator 3, the feeding end of the bucket elevator 3 being engaged with the discharging end of the feeding unit, the discharging end of the bucket elevator 3 being engaged with the feeding end of the crushing unit.
In some embodiments, to achieve crushing of the material by the crushing unit, the crushing unit includes a sand making machine 4, a feeding end of the sand making machine 4 is engaged with a discharging end of the lifting unit, and a discharging end of the sand making machine 4 is engaged with a feeding end of the screening unit.
In some embodiments, to achieve screening of the crushing unit by the screening unit, the screening unit comprises a vibrating screen 5, a feed back mechanism 6 and a finished product discharge mechanism 7; the vibrating screen 5 is used for vibrating screen materials, qualified materials are discharged by the finished product material discharging mechanism 7, and unqualified materials are discharged to the return unit by the return mechanism 6.
In some embodiments, to realize the feeding back of the feeding back unit to the screening unit, the feeding back unit includes a feeding back belt conveyor 8, where a feeding end of the feeding back belt conveyor 8 is connected to a discharging end of the screening unit, and a discharging end of the feeding back belt conveyor 8 is connected to a feeding end of the lifting unit.
In some embodiments, to achieve a dosing of the dosing amount of the dosing unit, the dosing unit is provided with a dosing metering device for metering the dosing amount.
In some embodiments, to enable metering of the feed amount and the return amount by the metering device, the feed metering device and/or the return metering device comprises a belt scale; however, the method is not limited thereto, and other methods may be used to measure the feeding amount and the feeding amount, such as obtaining the energy consumption or the current of the belt conveyor, and obtaining the feeding amount and the feeding amount under the corresponding energy consumption or current by a calibration experiment; the energy consumption or current of the belt conveyor obtained by the energy consumption detection device or the current detection device can be as follows: and detection devices such as an energy consumption meter, an ammeter, an electric instrument, a transformer, a transmitter and the like.
The control principle of the control system 9 is as shown in fig. 2, the maximum feeding amount of the sand making machine is obtained, the return material amount of the return material belt is obtained, the corresponding relation between the feeding amount of the feeding belt and the feeding speed is obtained, and the feeding speed of the feeding belt is controlled according to the maximum feeding amount of the main machine and the measured return material amount; the method comprises the following steps: when the sand making building equipment is operated, when the return material quantity of the return material belt 8 is obtained and is increased, the feeding quantity of the feeding belt 2 is controlled to be correspondingly reduced, when the return material quantity of the return material belt 8 is obtained and is reduced, the feeding quantity of the feeding belt 2 is controlled to be correspondingly increased, the return material quantity of the return material belt 8 and the feeding quantity of the feeding belt 2 are kept in dynamic balance, the feeding quantity of the sand making machine 4 is kept to be the largest and continuously unchanged, the sand making machine 4 works in the state for a long time, the production efficiency can be improved, and the service life is prolonged.
To sum up, in the stable-feeding sand making building provided by the embodiment, the feeding amount of the feeding belt 2 is adjusted by continuously weighing the crushed stone materials through the belt scale before the crushed stone materials enter the sand making machine 4 and measuring the feeding amount of the feeding belt 8, so that the crushed stone materials entering the sand making machine 4 are maximized and kept stable, the production efficiency is improved, and the service life of the sand making machine 4 is prolonged.
The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that modifications and variations could be made by those skilled in the art without departing from the technical principles of the present utility model, and such modifications and variations should also be regarded as being within the scope of the utility model.
Claims (8)
1. The sand making building with stable feeding is characterized by comprising a feeding unit, a lifting unit, a crushing unit, a screening unit, a feed back unit and a control system (9);
the feeding unit is arranged below the raw material storage bin (1) and used for conveying the discharged materials to the crushing unit for crushing through the lifting unit, conveying the crushed materials to the screening unit for screening through the screening unit, and conveying unqualified materials to the material returning unit for qualified discharging;
the return unit is provided with a return metering device for metering the return amount, and the return metering device is connected with a signal input end of the control system (9);
the feeding unit comprises a feeding speed control device, and the output end of a signal of the control system (9) is connected with the feeding speed control device in a signal way.
2. The stable-feeding sand making building according to claim 1, characterized in that the feeding speed control device comprises a feeding belt conveyor (2), a feeding end of the feeding belt conveyor (2) is connected with a discharging end of the raw material storage bin (1), and a discharging end of the feeding belt conveyor (2) is connected with a feeding end of the lifting unit.
3. A stable-feed sand making building according to claim 1, characterized in that the lifting unit comprises a bucket elevator (3), the feed end of the bucket elevator (3) being engaged with the discharge end of the feeding unit, the discharge end of the bucket elevator (3) being engaged with the feed end of the crushing unit.
4. The steady feed sand making building of claim 1, characterized in that the crushing unit comprises a sand making machine (4), the feed end of the sand making machine (4) is connected with the discharge end of the lifting unit, and the discharge end of the sand making machine (4) is connected with the feed end of the screening unit.
5. The steady feed sand making building of claim 1, characterized in that the screening unit comprises a vibrating screen (5), a feed back mechanism (6) and a product discharge mechanism (7); the vibrating screen (5) is used for vibrating screen materials, qualified materials are discharged by a finished material discharging mechanism (7), and unqualified materials are discharged to a return unit by a return mechanism (6).
6. The sand making building with stable feeding according to claim 1, characterized in that the feeding back unit comprises a feeding back belt conveyor (8), the feeding end of the feeding back belt conveyor (8) is connected with the discharging end of the screening unit, and the discharging end of the feeding back belt conveyor (8) is connected with the feeding end of the lifting unit.
7. A steady feed sand making building according to claim 1, characterized in that the feed unit is provided with feed metering means for metering the feed amount.
8. The steady feed sand making building of claim 7 wherein the feed metering device and/or the return metering device comprises a belt scale.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223510089.5U CN218924923U (en) | 2022-12-28 | 2022-12-28 | Sand making building capable of feeding stably |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223510089.5U CN218924923U (en) | 2022-12-28 | 2022-12-28 | Sand making building capable of feeding stably |
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| Publication Number | Publication Date |
|---|---|
| CN218924923U true CN218924923U (en) | 2023-04-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223510089.5U Active CN218924923U (en) | 2022-12-28 | 2022-12-28 | Sand making building capable of feeding stably |
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| CN (1) | CN218924923U (en) |
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2022
- 2022-12-28 CN CN202223510089.5U patent/CN218924923U/en active Active
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