CN216788427U - Intelligent pneumatic conveying system for mine guniting material - Google Patents
Intelligent pneumatic conveying system for mine guniting material Download PDFInfo
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- CN216788427U CN216788427U CN202123022806.5U CN202123022806U CN216788427U CN 216788427 U CN216788427 U CN 216788427U CN 202123022806 U CN202123022806 U CN 202123022806U CN 216788427 U CN216788427 U CN 216788427U
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Abstract
The utility model belongs to the technical field of pneumatic conveying, and particularly relates to an intelligent pneumatic conveying system for a mine guniting material, which comprises a material preparation system, a power air system, a ground station, a transfer station, a work station, a pipeline system and an intelligent control system, wherein the material preparation system, the power air system, the ground station, the transfer station and the work station are arranged on the ground; the pneumatic conveying system is intelligently operated through an intelligent control system. The utility model eliminates the pollution to the environment in the transportation link and the loading and unloading process, ensures the quality reliability and the guniting quality of guniting materials, reduces the rebound rate of the guniting materials, and improves the utilization rate of the guniting materials, thereby improving the guniting efficiency, greatly reducing unsafe factors in the work, having high transportation efficiency and effectively reducing the labor intensity of personnel.
Description
Technical Field
The utility model belongs to the technical field of pneumatic conveying, and particularly relates to an intelligent pneumatic conveying system for mine guniting materials.
Background
At present, a guniting production system is an important link in a roadway support link. However, in the existing guniting production system, the guniting slurry (cement, yellow sand and stones) of the mine enters the well through the auxiliary well through a mine car, is transported to the head through a rail, is stirred by a stirring device after being manually proportioned at the head, and is finally guniting by using a guniting machine. The material transportation links are many, the whitewashing construction process is complicated, the personnel selection is many, production efficiency is low, simultaneously, whitewashing material adopts manual stirring ratio, can't guarantee the rationality of whitewashing material ratio to can't ensure whitewashing quality, and then be difficult to guarantee tunnel whitewashing support intensity.
SUMMERY OF THE UTILITY MODEL
In order to solve the problems, the utility model provides an intelligent pneumatic conveying system for mine guniting materials.
In order to achieve the purpose, the utility model adopts the following technical scheme: an intelligent pneumatic conveying system for mine guniting materials comprises a material preparation system, a power air system, a ground station, a transfer station, a work station, a pipeline system and an intelligent control system, wherein the material preparation system, the power air system and the ground station are arranged on the ground, the transfer station and the work station are arranged underground, and the power air system, the ground station, the transfer station and the work station are communicated through the pipeline system; the intelligent pneumatic conveying system for the mine guniting material is intelligently operated through an intelligent control system.
Further, the power air system comprises a compressed air system and a drying system; the air compression system mainly comprises a blower fan, the drying system mainly comprises a dryer, and a circulating cooling water system is arranged in a matched manner.
Furthermore, the ground station mainly comprises a vertical silo, a pressure feed tank, a bag type dust collector and a series material sender which are sequentially communicated.
Furthermore, the ground station is also provided with an intelligent centralized control center.
Further, the transfer station mainly comprises a material bin, a pressure feed tank, a bag type dust collector and a series material sender which are sequentially communicated.
Furthermore, a plurality of transfer stations can be arranged in the roadway.
Furthermore, the workstation is built at a position close to the head and needing guniting or filling, and mainly comprises a mobile transfer material bin and a mobile terminal system, wherein the mobile terminal system mainly comprises a hanging type stirring and filling integrated pump and a crawler type remote guniting machine.
Furthermore, the pipeline system consists of a compressed air pipeline for providing a power air source and a material pipeline for conveying the guniting material.
Furthermore, oil-water separators are arranged at the joints of the compressed air pipeline and the ground station, the transfer station and the workstation.
Furthermore, the intelligent control system comprises a centralized control system, a blower control system, a drying control system, a ground station control system, a transfer station control system, a workstation control system and a safety video monitoring and alarming system.
The utility model is in the aspect of environmental protection:
the premixed guniting material is directly transported to a ground station by a tank car, and compared with the existing guniting material automobile transportation and loading and unloading modes, the method eliminates the pollution to the environment in the transportation link and the loading and unloading process.
In the aspects of guniting quality and efficiency:
the method has the advantages that the premixed guniting material (dry material) is transported by the pipeline, the influence of underground environment and other factors on the quality of the guniting material is eliminated, and the quality reliability of the guniting material is ensured.
Compared with the existing guniting material, the intelligent pneumatic conveying system for the guniting material can ensure the reasonability and the proportioning quality of the guniting material, so that the guniting quality is ensured.
The intelligent pneumatic conveying system for the guniting material can greatly reduce the rebound rate of the guniting material, improve the utilization rate of the guniting material and further improve the guniting efficiency.
In the aspect of safe production:
the method has the advantages that the premixed guniting material (dry material) is transported by the pipeline, unsafe factors of ground and underground transportation links are greatly reduced, and transportation risks are reduced.
The method obviously improves the operation environment of guniting and reduces the influence of the environment on unsafe factors of people.
And the surrounding rock can be closed in time, and the difficulty in managing the surrounding rock is reduced.
In the aspect of reducing people and improving the effect:
after adopting whitewashing material intelligence pneumatic conveyor system, realize intellectuality, the automatic operation compares that current whitewashing material is carried, whitewashing operation required personnel still less, and conveying efficiency is high, and personnel intensity of labour effectively reduces.
Drawings
FIG. 1: the utility model is a schematic diagram;
FIG. 2: the utility model is a schematic diagram of a ground station;
FIG. 3: the utility model is a schematic diagram of a transfer station;
FIG. 4: a workstation of the present invention is schematic;
FIG. 5: the utility model discloses a schematic diagram of an intelligent control system.
Detailed Description
The utility model is further illustrated below with reference to the figures and examples.
As shown in figure 1, the utility model provides an intelligent pneumatic conveying system for mine guniting materials, which directly conveys premixed guniting materials to a ground station by adopting a tank car, conveys the guniting materials to an underground transfer station and a work station by using a pneumatic conveying mode, and realizes guniting by a guniting machine on the head. And the system adopts an intelligent control system combining PLC and industrial PC, and combines the application of WEB mode SCADA software to realize the intelligent transmission and guniting or filling of roadway guniting materials.
The system comprises a material preparation system, a power air system, a ground station, a transfer station, a workstation, a pipeline system and an intelligent control system.
The material preparation system is built on the ground and is used as a preparation center of the guniting material. The base material comprises cement, reasonable-graded sand with particles less than 4mm, fly ash and the like, wherein the sand and the fly ash are required to be dry materials. The base materials are proportioned according to a certain proportion to meet the strength requirement of the guniting material, and the premixed dry material finished product can also be directly purchased.
The power wind system is built on the ground to provide power for pneumatic transmission. Which comprises a compressed air system and a drying system. And the compressed air system dries the power air through the drying system and then conveys the power air to each station. The air pressing system mainly comprises a pressing fan, and the drying system mainly comprises a dryer. The blower and the dryer need to be configured according to the final process design of the system. In addition, the drying system is also provided with a circulating cooling water system.
As shown in fig. 2, the ground station is constructed on the ground, and is the heart of the whole system, which is the total material storage station on the ground. The ground station mainly comprises a vertical silo 1, a pressure feed tank 2, a bag type dust collector 3 and a series material sender 4 which are sequentially communicated. And a centralized control room is arranged on the ground station and is used as a control center of the intelligent pneumatic transmission system to be responsible for the operation, operation and monitoring of the intelligent pneumatic transmission system.
As shown in fig. 3, the transfer station is constructed underground, located between the ground station and the workstation, and is a relay station of the material conveying system. The transfer station mainly comprises a material bin 7, a bag type dust collector 3 and a series feeder 4 which are sequentially communicated. The transfer station is installed on the ground of the roadway and is close to the side wall of the roadway. According to the distance of underground material conveying, a plurality of transfer stations can be arranged in a roadway.
As shown in fig. 4, the workstation is constructed near the position where guniting or filling is needed, and includes a mobile transfer material bin 10 and a mobile terminal system, which is an underground storage and guniting and filling operation station for the system material. The movable terminal system mainly comprises a hanging type stirring and filling integrated pump 9 and a crawler type long-distance slurry spraying machine 8. The position of the hanging type stirring and filling integrated pump 9 is provided with an accelerator adding pump for adding an accelerator, the crawler type remote shotcrete machine 8 can be provided with a shotcrete robot, the action is stable, the operation is flexible, the spraying is uniform, the rebound rate is low, and the operation is safe, stable and reliable.
The pipeline system is used as a pneumatic conveying channel, is connected among stations and consists of a compressed air pipeline 11 for providing a power air source and a material pipeline 12 for conveying guniting materials.
The guniting material of the material preparation system is conveyed to a ground station by the tank truck, the compressed air system conveys the power air to the ground station through a compressed air pipeline 11, the guniting material in the tank truck is conveyed to the vertical silo 1, and the guniting material is conveyed to the underground transfer station through a pressure conveying tank 2, a bag type dust collector 3 and a series material sender 4 through a material pipeline 12. The guniting material is conveyed to a material bin 7 of the transfer station for storage, the compressed air system conveys the power air to the transfer station through a compressed air pipeline 11, and the guniting material in the material bin 7 is conveyed to the work station or a next-level transfer station through a pressure conveying tank 2, a bag type dust collector 3 and a series material sender 4 through a material pipeline 12. The guniting material is conveyed to a material bin 7 of the workstation for storage. The compressed air system conveys power air to a workstation through a compressed air pipeline 11, guniting materials in the material bin 7 are conveyed to a hanging type stirring and filling integrated pump for stirring, and a crawler-type remote guniting machine 8 is used for completing a guniting process. And an oil-water separator 5 is arranged at the joint of each station and the compressed air pipeline.
As shown in fig. 5, the intelligent control system of the present invention is a control system combining PLC and industrial PC, and combines with application of SCADA software in a WEB manner to realize intelligent transmission and guniting or filling of roadway guniting materials. The system comprises a centralized control system, a compressed air control system, a drying control system, a ground station control system, a transfer station control system, a work station control system and a safety video monitoring and alarming system. The intelligent control system adopts industrial Ethernet and optical cable to transmit information and carries out centralized operation and monitoring in a ground intelligent centralized control center. The ground intelligent centralized control center adopts an intelligent design, and realizes the whole process of the head-on transportation of the guniting material from the ground to the underground and the intelligent operation of the whole procedures of feeding, transportation and guniting. The power wind system, the ground station, the transfer station and the work station which are arranged in the pit of the pneumatic transmission system, the pipeline system adopts full-automatic pneumatic valve control, and all the operation procedures can realize one-key type remote control by the ground master station.
The centralized control system is arranged in an intelligent centralized control center of the ground station, is connected with each subsystem through a field bus and an industrial Ethernet, and forms an intelligent automatic control system by utilizing a field bus protocol, a real-time Ethernet protocol or an OPC mode, so that intelligent control can be realized, and the control system is provided with a safety barrier and a safety relay to realize isolation, thereby ensuring the underground safety of the system.
The pressure fan control system and the drying control system are respectively provided with a wind pressure sensor and a humidity sensor at the pressure fan, the dryer, each station and pipelines among the stations, and are used for monitoring the wind pressure and humidity changes at each position in the pneumatic transmission system.
The transfer station control system is provided with intelligent maximum and minimum material level sensors at the transfer station, so that automatic material feeding at low material level and automatic material feeding stopping at full storage are realized. When a downstream transfer station or a working face station sends a material request, the transfer station realizes automatic material sending and conveys the filling material to the working face station or the next transfer station.
The workstation control system is provided with intelligent maximum and minimum material level sensors at the workstation, so that automatic material feeding at low material level and automatic material feeding stopping at full bin are realized. And a movable stirring and filling integrated filling pump is configured, so that autonomous proportioning and autonomous movement can be realized. And (4) arranging the crawler-type mobile terminal to spray the slurry, wherein the horizontal maximum spraying distance reaches 500 m.
The safety video monitoring and alarming system is provided with the camera for monitoring at each substation, and for some unexpected situations which cannot be monitored by the control system, the ground station or other sub-stations can monitor the situation of each station in real time through the camera, so that the defect that personnel cannot observe nearby in time due to long distance between underground stations is overcome. The large screen of the intelligent centralized control center monitors in real time and can check historical images. Meanwhile, the requirements of underground full automation and unattended operation in the later period are also reserved, and interface configuration required by system monitoring is also reserved.
In the embodiment, the power air system of the pneumatic conveying system meets the requirements of material conveying pressure of 0.4-0.6 MPa and the maximum conveying pressure of the system of 0.75 MPa. Wherein the air compression system adopts 3 ML300-2S type screw rodsAir compressor (rated exhaust pressure 0.75MPa, rated displacement 60.2 m)3Min, motor power 300KW, 6kV), the drying system adopts 3 sets of DV10500AVS/WVS type drying machines (treatment capacity 175 m)3Min, input pressure range is less than or equal to 1.4MPa, operation temperature is less than or equal to 45 ℃, environment temperature is 1-50 ℃, rated pressure is 0.4-0.6 MPa, and cooling water quantity is 6.4m3H). In addition, the compressed air system is also provided with 3C-6 type air storage tanks (the air storage capacity is 6 m)3Rated pressure 0.8MPa), 3C-3 type gas storage tanks (gas storage capacity 3 m)3Rated pressure 0.8 MPa). And a circulating cooling water system is also arranged in the drying system in a matching way. The circulating cooling water system comprises 2 circulating water pumps (flow 20 m)3H, lift 24m, power 3kW), 2 cooling water pumps (flow 22 m)3H, 16m of lift and 2.2kW of power), 1 pipeline booster pump (8.5 m of flow rate)3H, head 30m, power 3kW), 1 counter-flow circular cooling tower (throughput 30 m)3H, power 1.1kW), 1 set of full-automatic water softener (treatment capacity 5 m)3H, power 1.5kW), 1 submersible sewage pump (flow 12.8 m)3H, head 8m, power 1.1 kW). The compressed air pipeline of the pipeline system is a phi 273 multiplied by 15 seamless steel pipe, and the material pipeline is a phi 168 multiplied (8+13.5) bimetal wear-resistant alloy pipe. The workstation used a PYC6Z hydraulic rotor concrete sprayer.
Claims (10)
1. The utility model provides a mine whitewashing material intelligence pneumatic transport system, is including locating material preparation system, power wind system, the ground station on ground and locating transfer station, workstation in the pit, pipe-line system and intelligence control system, its characterized in that: the power wind system, the ground station, the transfer station and the workstation are communicated through a pipeline system; the intelligent pneumatic conveying system for the mine guniting material is intelligently operated through an intelligent control system.
2. The intelligent pneumatic conveying system for mine guniting materials according to claim 1, wherein: the power air system comprises a compressed air system and a drying system; the air compression system mainly comprises a blower fan, the drying system mainly comprises a dryer, and a circulating cooling water system is arranged in a matched manner.
3. The intelligent pneumatic conveying system for mine guniting materials according to claim 1, wherein: the ground station mainly comprises a vertical silo, a pressure feed tank, a bag type dust collector and a series material sender which are sequentially communicated.
4. The intelligent pneumatic conveying system for mine guniting materials according to claim 3, wherein: the ground station is also provided with an intelligent centralized control center.
5. The intelligent pneumatic conveying system for mine guniting materials according to claim 1, characterized in that: the transfer station mainly comprises a material bin, a pressure feed tank, a bag type dust collector and a series material sender which are sequentially communicated.
6. The intelligent pneumatic conveying system for mine guniting materials according to claim 5, wherein: a plurality of the transfer stations can be arranged in the roadway.
7. The intelligent pneumatic conveying system for mine guniting materials according to claim 1, wherein: the workstation is built at a position close to the head of a user and needing guniting or filling, and mainly comprises a movable transfer material bin and a movable terminal system, wherein the movable terminal system mainly comprises a hanging type stirring and filling integrated pump and a crawler type remote guniting machine.
8. The intelligent pneumatic conveying system for mine guniting materials according to claim 1, wherein: the pipeline system consists of a compressed air pipeline for providing a power air source and a material pipeline for conveying guniting materials.
9. The intelligent pneumatic conveying system for mine guniting materials according to claim 8, wherein: and oil-water separators are arranged at the joints of the compressed air pipeline and the ground station, the transfer station and the workstation.
10. The intelligent pneumatic conveying system for mine guniting materials according to claim 1, wherein: the intelligent control system comprises a centralized control system, a blower fan control system, a drying control system, a ground station control system, a transfer station control system, a work station control system and a safety video monitoring and alarming system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123022806.5U CN216788427U (en) | 2021-12-03 | 2021-12-03 | Intelligent pneumatic conveying system for mine guniting material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123022806.5U CN216788427U (en) | 2021-12-03 | 2021-12-03 | Intelligent pneumatic conveying system for mine guniting material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216788427U true CN216788427U (en) | 2022-06-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123022806.5U Active CN216788427U (en) | 2021-12-03 | 2021-12-03 | Intelligent pneumatic conveying system for mine guniting material |
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| CN (1) | CN216788427U (en) |
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2021
- 2021-12-03 CN CN202123022806.5U patent/CN216788427U/en active Active
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