CN217734032U - Slurry making system for underground drilling perfusion - Google Patents
Slurry making system for underground drilling perfusion Download PDFInfo
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- CN217734032U CN217734032U CN202222106596.6U CN202222106596U CN217734032U CN 217734032 U CN217734032 U CN 217734032U CN 202222106596 U CN202222106596 U CN 202222106596U CN 217734032 U CN217734032 U CN 217734032U
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Abstract
The embodiment of the utility model discloses pulping system that is perfused with drilling under ore deposit, include: a raw material conveying mechanism; the pulping machine is communicated with the raw material conveying mechanism, and the raw material conveying mechanism is used for conveying pulping raw materials into the pulping machine; the pulp buffering pool is used for receiving the pulp prepared by the pulping machine and buffering the pulp; and one end of the grouting pipeline is communicated with the slurry buffering pool, the other end of the grouting pipeline is communicated with an inlet of a mining slurry pump positioned underground, and an outlet of the mining slurry pump faces a grouting point and is used for grouting the grouting point. Adopt the scheme of this application, carry the raw materials to the pulping machine through raw materials conveying mechanism, the pulping machine slurrys and sends the thick liquid that makes into the slow thick liquid pond, and the thick liquid that is located the slip casting pipeline flows to the grouting point via the slip casting pipeline, and is visible, and the full automatization slurrying can be realized to the scheme of this application, and the material resources of not only using manpower sparingly can be fine moreover, improves pulping efficiency.
Description
Technical Field
The utility model belongs to the technical field of the slurrying equipment is filled in the drilling, concretely relates to slurrying system that fills with drilling under ore deposit.
Background
Coal is an important basic energy source in China and is also a non-renewable resource. The problem of spontaneous combustion of coal not only causes great waste of resources, but also influences the underground safe production. Especially, the problem of spontaneous combustion of the coal bed in the goaf is more serious due to the irregular mining of some small coal kilns.
The existing grouting fire prevention and extinguishing technology is a main treatment mode at present, the technical research can improve the accuracy of all parameters of grouting fire prevention and extinguishing work, and the grouting fire prevention and extinguishing technology has practical significance. According to statistics, the amount of coal resource waste generated by spontaneous combustion in China each year exceeds 2000 million tons, and the data does not count the harm to the environment and the indirect damage to the coal resources. The underground coal fire problem has become a main problem of ecological environment, and influences the sustainable development of the development work of Chinese coal resources.
At present, current slurrying system can be with following structure, in the utility model patent of patent number "CN201921699826.6", disclose a colliery ground drilling slip casting is grouting pool for putting out a fire, including slurrying system, transmission thick liquid system, play thick liquid system, slurrying system includes two motors, two reducers, two stirring ponds, two agitators, every stirring pond all is the drum stirring pond of erectting, and a motor, a reducer of every stirring pond top installation, an agitator of installation in every stirring pond, motor pass through the reduction gear and be connected to the agitator. Through the combined action of 2 stirring ponds, slurrying efficiency is than higher, can supply the required thick liquid of colliery ground drilling slip casting fire extinguishing fast.
It can be seen that this current slurrying technique mainly utilizes two agitators to stir simultaneously and slurrys, adopts the pipeline to pour into the drill hole and carries out the slip casting, but, the device has only realized semi-automatization, still needs artifical material loading in this system use, and then leads to the slip casting to consume time for a long time, invests in the manpower, and material resources are big, and efficiency ratio is lower.
SUMMERY OF THE UTILITY MODEL
The utility model provides a slurrying system that fills with drilling under ore deposit for solve among the prior art current slurrying system still need artifical material loading in the use, and then lead to the slip casting to consume time for a long time, drop into the manpower, the material resources is big, the technical problem that efficiency is lower.
In order to solve the technical problem, the embodiment of the utility model discloses a pulping system that fills with drilling in mine, include:
a raw material conveying mechanism;
the pulping machine is communicated with the raw material conveying mechanism, and the raw material conveying mechanism is used for conveying pulping raw materials into the pulping machine;
the pulp buffering pool is used for receiving the pulp prepared by the pulping machine and buffering the pulp;
and one end of the grouting pipeline is communicated with the slurry buffering pool, the other end of the grouting pipeline is communicated with an inlet of a mining slurry pump positioned underground, and an outlet of the mining slurry pump faces a grouting point and is used for grouting the grouting point.
Optionally, the raw material conveying mechanism includes:
the ash conveying device is communicated with the pulping machine and is used for conveying ash to the pulping machine;
and the cement conveying device is communicated with the pulping machine and is used for conveying cement to the pulping machine.
Optionally, the ash conveying device includes:
the ash storage tank is used for storing ash materials, and the outlet end of the ash storage tank is provided with a material rotary valve;
and one end of the first spiral conveyor is communicated with the outlet of the ash storage tank, the other end of the first spiral conveyor is communicated with the pulping machine, the ash storage tank is used for opening or closing the outlet of the ash storage tank and uniformly dumping ash into the first spiral conveyor so as to convey the ash in the ash storage tank to the pulping machine.
Optionally, the cement conveying device comprises:
the cement ash tank is used for storing cement, and the outlet end of the cement ash tank is provided with a material rotary valve;
and one end of the second screw conveyor is communicated with an outlet of the cement ash tank, the other end of the second screw conveyor is communicated with the pulping machine, the cement ash tank is used for opening or closing the outlet of the cement ash tank, and the cement is uniformly poured into the second screw conveyor so as to be used for conveying the cement in the cement ash tank to the pulping machine.
Optionally, the method further includes: and the water injection mechanism is communicated with the pulping machine and is used for adding water into the pulping machine so as to prepare the slurry by the pulping machine.
Optionally, the water injection mechanism includes:
a water storage structure, a water storage tank,
and one end of the clean water pump is communicated with the water storage structure through a pipeline, the other end of the clean water pump is communicated with the pulping machine through a pipeline, and the clean water pump is used for pumping water in the water storage structure into the pulping machine so as to prepare the pulp by the pulping machine.
Optionally, the method further includes: and the slurry pump is arranged on the grouting pipeline and used for pumping the slurry in the slurry buffering pool to the grouting pipeline.
Optionally, the method further includes: and the suspending agent adding device is used for adding the suspending agent into the pulping machine so as to mix the pulp and the suspending agent to prepare the pulp.
Optionally, the method further includes: the controller is used for controlling the underground slurry making system by borehole filling and monitoring the working state of the underground slurry making system by borehole filling, wherein the working state comprises the following steps: monitoring the running process and controlling start and stop.
Optionally, the controller includes:
the flow sensor is arranged on the raw material conveying mechanism and used for detecting the speed of the pulping raw material output by the raw material conveying mechanism;
the automatic electrical control cabinet is respectively connected with the raw material conveying mechanism and the pulping machine and is used for respectively controlling the starting and stopping of the raw material conveying mechanism and the pulping machine;
the power feed cabinet is respectively connected with the raw material conveying mechanism and the pulping machine and is used for respectively controlling the power supply of the raw material conveying mechanism and the pulping machine;
and the PLC control system is respectively connected with the flow sensor, the automatic electric control cabinet and the power feed cabinet.
The embodiment of the utility model discloses pulping system that is perfused with drilling under ore deposit, include: a raw material conveying mechanism; the pulping machine is communicated with the raw material conveying mechanism, and the raw material conveying mechanism is used for conveying pulping raw materials into the pulping machine; the pulp buffering pool is used for receiving the pulp prepared by the pulping machine and buffering the pulp; and one end of the grouting pipeline is communicated with the slurry buffering pool, the other end of the grouting pipeline is communicated with an inlet of a mining slurry pump positioned underground, and an outlet of the mining slurry pump faces a grouting point and is used for grouting the grouting point. Adopt the scheme of this application, carry the raw materials to the pulping machine through raw materials conveying mechanism, the pulping machine slurrys and sends the thick liquid that makes into the slow thick liquid pond, and the thick liquid that is located the slip casting pipeline flows to the grouting point via the slip casting pipeline, and is visible, and the full automatization slurrying can be realized to the scheme of this application, and the material resources of not only using manpower sparingly can be fine moreover, improves pulping efficiency.
Drawings
FIG. 1 is a schematic view of a partial structure of an underground slurry preparing system for borehole injection according to this embodiment.
FIG. 2 is a schematic view of a partial structure of another slurry system for underground borehole injection according to the present embodiment.
FIG. 3 is a schematic view of a partial structure of another pulp making system for underground borehole injection according to the present embodiment.
Fig. 4 is a schematic structural component diagram of a slurry making system for underground borehole injection according to this embodiment.
Fig. 5 is a schematic structural diagram of a PLC control system according to this embodiment.
In the figure, 1, a raw material conveying mechanism; 2. the system comprises a pulping machine, 3, a pulp slowing tank, 4, a grouting pipeline, 5, an ash conveying device, 6, a cement conveying device and 7, an ash storage tank; 8. a first screw conveyor, 9. A cement mortar tank; 10. a second screw conveyor 11, a water injection mechanism 12, a water storage structure 13, a clean water pump 14, a slurry pump 15, a suspending agent adding device 16 and a mining slurry pump; and 17. A PLC control system.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Referring to fig. 1 to 5, fig. 1 is a partial structural schematic view of a slurry making system for underground borehole injection according to the present embodiment. FIG. 2 is a schematic view of a partial structure of another slurry preparation system for underground borehole injection according to the embodiment. FIG. 3 is a schematic view of a partial structure of another pulp making system for underground borehole injection according to the present embodiment. Fig. 4 is a schematic structural composition diagram of an underground slurry making system using borehole injection according to the embodiment. Fig. 5 is a schematic structural diagram of a PLC control system according to this embodiment.
Along with the development and continuous optimization innovation of science and technology, at present, the system integrates mechanization, automation and intellectualization, can use various grouting materials such as loess, clay, sandy soil, fly ash, cement, coal gangue and the like, can realize the functions of pressure injection of thickening colloid, composite colloid and the like by adding additives, can pertinently treat the spontaneous combustion problem of the coal bed under different conditions, and can also meet the filling reinforcement requirement.
Based on this, the embodiment of the utility model discloses a pulping system that is perfused with drilling in mine includes: a raw material conveying mechanism 1; the pulping machine 2 is communicated with the raw material conveying mechanism 1, and the raw material conveying mechanism 1 is used for conveying pulping raw materials into the pulping machine 2; the slurry buffering pool 3 is used for receiving the slurry prepared by the pulping machine 2 and buffering the slurry; and one end of the grouting pipeline 4 is communicated with the slurry buffering pool 3, the other end of the grouting pipeline is communicated with an inlet of a mining slurry pump 16 positioned underground, and an outlet of the mining slurry pump 16 faces a grouting point and is used for grouting the grouting point.
In the present exemplary embodiment, referring to fig. 4, the slurry making system for underground drilling injection is composed of an ash storage tank 7, a cement storage tank, a material rotary valve, a screw conveyor, a slurry making machine 2, a slurry pump 14, a clean water pump 13, a sewage pump, a slurry injection pipeline 4 system, a control system and the like.
In this exemplary embodiment, referring to fig. 4, the raw material conveying mechanism 1 may be a conveying auger, the pulping raw material may be fly ash and cement, and the mass ratio of the fly ash to the cement is 2:1; of course, the pulping material may also be other materials, such as: loess, clay, sand soil, fly ash, cement, gangue etc. this application does not do the injecing to the type of above-mentioned slurrying raw materials.
In this exemplary embodiment, the pulper 2 may be purchased, for example, as the model: pulping amount of the pulping machine 2 of ZLC-60: 60m 3 H; power: 11kw; voltage: 380V; the functions are as follows: mixing fly ash, cement and water to realize rapid and continuous pulping; if a suspending agent is added, a thickened colloidal slurry meeting the concentration requirement can be prepared.
In the embodiment, the slurry buffering pool 3 is used for buffering slurry, the slurry of the thickened colloid in the slurry buffering pool 3 is pressurized by the self-flowing or slurry pump 14 and is conveyed to a downhole glue injection place through a slurry conveying pipeline, so that the pipeline is prevented from being blocked, the viscosity, the water retention and the permeability of the slurry are increased, the thin slurry reaches the fire prevention and extinguishing effect of the thick slurry, a drill hole is formed near the grouting station, pumping is not used, and the slurry directly flows into the drill hole from an outlet pipeline of the slurry buffering pool 3.
In the present exemplary embodiment, one end of the grouting pipeline 4 is communicated with the slurry buffering tank 3, and the other end is communicated with the mining slurry pump 16, and the mining slurry pump 16 is provided to provide power for the slurry flowing from the slurry buffering tank 3 to the grouting point, so as to promote the flow of the slurry. The material of the grouting pipeline 4 can be the material meeting the related requirements under the mine, and the material of the grouting pipeline 4 is not limited in the application.
In this exemplary embodiment, the grouting points may be preset, and the set standards and the set requirements may be executed according to the relevant standards, and the set positions of the grouting points and the number of the grouting points are not limited in this application.
In this exemplary embodiment, the mining mud pump 16 may be a mining mud pump 16 of model 3NB15.5-3.6/2.5-8-18.5, and the injection amount is as follows: 15.5-3.6m3/h; power: 18.5kw; pressure: 2.5-8 Mpa; voltage: 380V/660V or 660V/1140V. The functions are as follows: the filling composite colloid is matched with the system.
In the present exemplary embodiment, currently, fly ash is generally treated as waste material, and in the related field of underground fire extinguishing, no solution for extinguishing fire by using fly ash has been found, and based on this, the slurry prepared by the slurry system filled by drilling hole under mine provided by the present application can be used for extinguishing fire by the following specific methods: the self-developed gelling curing agent is added into the traditional fly ash cement slurry, so that the slurry is quickly solidified and fully plays a role in filling and plugging.
In this example embodiment, the embodiment of the utility model discloses a pulping system that is perfused with drilling under mine, include: a raw material conveying mechanism 1; the pulping machine 2 is communicated with the raw material conveying mechanism 1, and the raw material conveying mechanism 1 is used for conveying pulping raw materials into the pulping machine 2; the slurry buffering pool 3 is used for receiving the slurry prepared by the pulping machine 2 and buffering the slurry; and one end of the grouting pipeline 4 is communicated with the slurry buffering pool 3, the other end of the grouting pipeline is communicated with an inlet of a mining slurry pump 16 positioned underground, and an outlet of the mining slurry pump 16 faces a grouting point and is used for grouting the grouting point. Adopt the scheme of this application, carry the raw materials to pulping machine 2 through raw materials conveying mechanism 1, pulping machine 2 slurrys and send into the thick liquid that makes and slowly starch pond 3, and the thick liquid that is located grouting pipeline 4 flows to the grouting point via grouting pipeline 4, and is visible, and the full automatization slurrying can be realized to the scheme of this application, and the material resources of not only using manpower sparingly can be fine improvement slurrying efficiency moreover.
In one embodiment, the material conveying mechanism 1 includes: the ash conveying device 5 is communicated with the pulping machine 2 and is used for conveying ash to the pulping machine 2; and the cement conveying device 6 is communicated with the pulping machine 2 and is used for conveying cement to the pulping machine 2.
In the present exemplary embodiment, specifically, the ash and the cement are used as raw materials, and as the pulping raw materials of the pulping machine 2 of the present application, the ash is conveyed to the pulping machine 2 through the ash conveying device 5, and the cement is conveyed to the pulping machine 2 through the cement conveying device 6, so that the whole process automation is realized, and the function of manually conveying the raw materials is not needed.
In one embodiment, the ash conveying device 5 comprises: the ash storage tank 7 is used for storing ash materials, and the outlet end of the ash storage tank is provided with a material rotary valve; and a first screw conveyor 8, one end of which is communicated with the outlet of the ash storage tank 7, and the other end of which is communicated with the pulping machine 2, wherein the ash storage tank 7 is used for opening or closing the outlet of the ash storage tank 7 and uniformly dumping ash into the first screw conveyor 8, so as to convey the ash in the ash storage tank 7 to the pulping machine 2.
In this exemplary embodiment, the ash storage tank 7 may be an ash storage tank 7 that is used with an air compressor, for example, the model is: an ash storage tank 7 of HG-100; the ash storage tank 7 is of a metal structure, and the volume is 73m3100 ton diameter: 3.11m; an air compressor: 1, carrying out; exhaust volume: 0.4m 3 Min; pressure grade: 0.8Mpa; power: 4kw; voltage: 380V. The functions are as follows: ash storage tank 7: storing the fine fly ash; an air compressor: the ash storage tank 7 is broken to make the ash material smoothly slide down.
In this example embodiment, the material rotary valve may be an existing material rotary valve, for example, the model is: the material rotary valve of XFW300 has a feeding amount of 12-24 m 3 H; power 1.1Kw voltage: 380V. The functions are as follows: and uniformly pouring the fly ash into the first spiral conveyor 8 according to a set amount.
For another example, the model is: the material rotary valve of XFW250 has a feeding amount of 6-12 m 3 H; power 1.1Kw voltage: 380V. The functions are as follows: the cement is poured uniformly into the first screw conveyor 8 in a set amount.
In the present exemplary embodiment, the first screw conveyor 8 may be a screw conveyor of type LSY300, and the conveying amount thereof:<40m 3 h; power: the actual power of more than or equal to 5.5kW is determined according to the design transmission length: 380V. The functions are as follows: the fly ash is conveyed into the pulper 2. Alternatively, the first screw conveyor 8 may be of the following types: screw conveyor of LSY250, conveying amount:<30m 3 h; power: actual power of more than or equal to 5.5kW is designed according to designTransport length determination voltage: 380V. The functions are as follows: the cement is conveyed into the pulper 2.
In one embodiment, the cement delivery device 6 comprises: the cement ash tank 9 is used for storing cement, and the outlet end of the cement ash tank is provided with a material rotary valve; and one end of the second screw conveyor 10 is communicated with the outlet of the cement mortar tank 9, the other end of the second screw conveyor is communicated with the slurrying machine 2, the cement mortar tank 9 is used for opening or closing the outlet of the cement mortar tank 9, and the cement is uniformly poured into the second screw conveyor 10 so as to be conveyed into the slurrying machine 2 by the cement in the cement mortar tank 9.
In this exemplary embodiment, the cement ash tank 9 may be a cement ash tank 9 that is equipped with an air compressor, for example, the types of the cement ash tank 9 are: the HG-50 cement ash tank 9 is of a metal structure, and the volume is 36.5m350 tons in diameter: 2.8m; an air compressor: 1, performing primary washing; exhaust volume: 0.4m 3 Min; pressure grade: 0.8Mpa; power: 4kw; voltage: 380V. The functions are as follows: a cement storage tank: storing the cement; an air compressor: the cement storage tank is broken to enable the ash to smoothly slide down.
In a specific embodiment, the method further comprises the following steps: and the water injection mechanism 11 is communicated with the pulping machine 2 and is used for adding water into the pulping machine 2 so as to prepare the pulp by the pulping machine 2.
The water injection mechanism 11 may be a structure composed of a water pump and a corresponding pipe, and functions to add water into the pulper 2 when the pulper 2 is in operation, so that the pulper 2 can fully mix the cement and the fly ash to prepare slurry. The source of the water may be an external water source, such as tap water, or a water source stored by a storage tank, such as a water tank.
In one embodiment, the water injection mechanism 11 includes: the pulping machine comprises a water storage structure 12 and a clean water pump 13, wherein one end of the clean water pump 13 is communicated with the water storage structure 12 through a pipeline, the other end of the clean water pump is communicated with the pulping machine 2 through a pipeline, and the clean water pump 13 is used for pumping water in the water storage structure 12 into the pulping machine 2 so as to be used for preparing pulp by the pulping machine 2.
In the present exemplary embodiment, the water storage structure 12 may be an external water source, such as tap water, or a water source stored in a storage tank, such as a water tank, and the present application is not limited to the specific type or structural shape of the water storage structure 12, and any manner or structure capable of supplying water to the pulping machine 2 in the present application may be used as the water storage structure 12 in the present application.
In this exemplary embodiment, the clean water pump 13 may be of the following types: the clean water pump 13 of IS80-50-200, the flow of the clean water pump 13 IS as follows: 60m3/h; power: 15Kw; lift: 47m; voltage: 380V. The functions are as follows: water from the source is fed to the pulper 2.
In a specific embodiment, the method further comprises the following steps: and the slurry pump 14 is arranged on the grouting pipeline 4 and used for pumping the slurry in the slurry buffering pool 3 to the grouting pipeline 4.
In this exemplary embodiment, the slurry pump 14 may be of the type: 50ZJ-I-A50 slurry pump 14, the flow of the slurry pump 14 is as follows: 60m3/h; power: 75kw; lift: 110m; voltage: 380V. The functions are as follows: and (3) pressurizing and delivering the slurry in the slurry buffering tank 3 into a downhole grouting pipeline.
In a specific embodiment, the method further comprises the following steps: and a suspending agent adding device 15 for adding the suspending agent into the pulping machine 2 so as to mix the pulp and the suspending agent to prepare the pulp.
In the present exemplary embodiment, the suspending agent adding device 15 is used for adding the suspending agent into the pulping machine 2, and the ratio of the using amount of the suspending agent to the water is more than 0.1%; the suspending agent can be obtained by direct purchase, and is a colloidal liquid preparation prepared by dispersing and suspending water-insoluble solid raw medicine in an aqueous medium containing various auxiliary agents.
In the present exemplary embodiment, the suspending agent is added to the pulper 2 by the suspending agent adding device 15, so that the slurry and the suspending agent are mixed to form a thickened colloid, and the thickened colloid flows into the slurry buffering tank 3 through the slurry outlet pipe.
In a specific embodiment, the method further comprises the following steps: a controller for controlling the slurry making system for underground borehole injection and monitoring the working state of the slurry making system for underground borehole injection, wherein the working state comprises: monitoring the running process and controlling start and stop.
In the exemplary embodiment, the controller may be an integrated automation system that uses a siemens PLC as a control core and integrates device control, alarm, and pulping data acquisition. The operation flow and state animation of the whole grouting system equipment can be visually seen through the software monitoring platform, and the operation mode, the operation system, the start-stop equipment, the concentration ratio, the parameter setting and other operations can be realized by clicking the operation interface with a mouse. One-key sequential start-stop control can be realized through simple setting according to field use conditions. The system has the functions of grouting system team, day and month data query and report printing. And the remote communication data exchange standard interface OPC protocol is adopted, so that the communication requirement of centralized management data of the digital mine in the coal mine is met.
In the embodiment of the present invention, referring to fig. 5, the automatic control includes a PLC, an intelligent instrument, a sensor, and monitoring software, and can implement full-automatic equipment monitoring and data monitoring of the grouting system, and can access a centralized management platform according to requirements to implement centralized management of the digital mine. See Table 1 below for a monitoring configuration
TABLE 1
In one embodiment, the controller comprises: the flow sensor is arranged on the raw material conveying mechanism 1 and used for detecting the speed of the pulping raw material output by the raw material conveying mechanism 1; the automatic electrical control cabinet is respectively connected with the raw material conveying mechanism 1 and the pulping machine 2 and is used for respectively controlling the starting and stopping of the raw material conveying mechanism 1 and the pulping machine 2; the power feed cabinet is respectively connected with the raw material conveying mechanism 1 and the pulping machine 2 and is used for respectively controlling the power supply of the raw material conveying mechanism 1 and the pulping machine 2; and the PLC control system 17 is respectively connected with the flow sensor, the automatic electric control cabinet and the power feed cabinet.
In one embodiment, the slurry system for underground borehole injection provided by the present application can be applied to a process of injecting thickening colloid and a process of filling and reinforcing, in particular:
the procedure for pouring the thickened colloid was as follows:
1. the ash storage tank 7 is filled with fly ash.
2. And opening a water supply valve, starting a clear water pump 13, adjusting the water quantity according to the planned grouting quantity and the planned concentration, and introducing water to the pulping machine 2 for a period of time.
3. And opening a material rotary valve at the discharge port of the fly ash storage tank, wherein the material rotary valve can uniformly feed the fly ash into the screw conveyor according to the set discharge amount.
4. The screw conveyor transports the fly ash to the pulper 2.
5. The pulping machine 2 mixes water and fly ash and stirs them evenly to make slurry, the slurry flows into the slurry-slowing tank 3 automatically through the slurry outlet pipe.
6. The slurry in the slurry buffering pool 3 is pressurized by a self-flowing or slurry pump 14 and is sent to a drill hole near a grouting station of an underground grouting site through a slurry conveying pipeline without pumping, and the slurry directly flows into the drill hole through an outlet pipeline of the slurry buffering pool 3.
The filling and reinforcing process comprises the following steps:
1. the ash storage tank 7 is filled with fly ash, and the cement storage tank is filled with cement.
2. And opening a water supply valve, starting a clear water pump 13, adjusting the water quantity according to the planned grouting flow and concentration, and introducing water to the pulping machine 2 for a period of time.
3. And opening the material rotary valves at the feed openings of the ash storage tank 7 and the cement storage tank, and respectively and uniformly feeding the fly ash and the cement into the screw conveyor by the material rotary valves according to the set feed amount.
4. The screw conveyor transports the fly ash and cement to the pulper 2.
5. The pulping machine 2 mixes and uniformly stirs the cement, the fly ash and the water to prepare composite slurry, a suspending agent adding device 15 above an outlet pipe of the pulping machine 2 is added with the suspending agent, and the slurry and the suspending agent automatically flow into the slurry buffering pool 3 through a slurry outlet pipe.
6. The thickened colloid slurry in the slurry buffering pool 3 is pressurized by a self-flowing or slurry pump 14 and is conveyed to a drill hole near a grouting station of an underground glue injection site through a slurry conveying pipeline without pumping, and the thickened colloid slurry directly flows into the drill hole from an outlet pipeline of the slurry buffering pool 3.
7. When the slurry reaches the position near the underground injection site, a certain amount of gelling curing agent is added into the grouting pipe network by using the mining slurry pump 16, so that the slurry can be rapidly initially set at the specified site and lose fluidity, the setting strength reaches 6MPa, the filling and reinforcing effects are excellent, and the cost is low.
The application provides a slurrying system that fills with drilling in mine, the intelligent grout control system that its carried on possess abundant man-machine operation interface, and perfect thick liquid concentration ratio control and alarm system, diversified video real time monitoring, intrusion alarm, material, thick liquid transfinite warning linkage guarantee grouting station equipment property safety. Meanwhile, the system has a one-key sequential start-stop function, and unattended operation can be realized; and a mainstream industrial remote communication protocol is used, so that the requirement of intelligent mine construction is met.
It should be noted that the above-described embodiments are only some of the claimed embodiments, and not all of the claimed embodiments. All other embodiments, which can be derived by one of ordinary skill in the art from the embodiments in the application without any creative effort, shall fall within the scope of protection of the application. In the present specification, each embodiment is described with emphasis on differences from other embodiments, and the same and similar parts between the embodiments may be referred to each other.
Claims (10)
1. An underground slurry making system for borehole injection, comprising:
a raw material conveying mechanism (1);
the pulping machine (2) is communicated with the raw material conveying mechanism (1), and the raw material conveying mechanism (1) is used for conveying pulping raw materials into the pulping machine (2);
the slurry buffering pool (3) is used for receiving the slurry prepared by the pulping machine (2) and buffering the slurry;
and one end of the grouting pipeline (4) is communicated with the slurry buffering pool (3), the other end of the grouting pipeline is communicated with an inlet of a mining slurry pump (16) positioned underground, and an outlet of the mining slurry pump (16) faces a grouting point and is used for grouting the grouting point.
2. An underground slurry drilling and injection system according to claim 1, wherein the material conveying mechanism (1) comprises:
the ash conveying device (5) is communicated with the pulping machine (2) and is used for conveying ash to the pulping machine (2);
and the cement conveying device (6) is communicated with the pulping machine (2) and is used for conveying cement to the pulping machine (2).
3. An underground slurry making system according to claim 2, wherein said ash conveying device (5) comprises:
the ash storage tank (7) is used for storing ash materials, and the outlet end of the ash storage tank is provided with a material rotary valve;
and the first spiral conveyor (8) is communicated with the outlet of the ash storage tank (7) at one end, and is communicated with the pulping machine (2) at the other end, the ash storage tank (7) is used for opening or closing the outlet of the ash storage tank (7) and uniformly dumping ash in the first spiral conveyor (8) so as to convey the ash in the ash storage tank (7) to the pulping machine (2).
4. An underground slurry making system for borehole injection according to claim 2, characterized in that said cement conveying means (6) comprises:
the cement ash tank (9) is used for storing cement, and the outlet end of the cement ash tank is provided with a material rotary valve;
and one end of the second screw conveyor (10) is communicated with the outlet of the cement mortar tank (9), the other end of the second screw conveyor is communicated with the pulping machine (2), the cement mortar tank (9) is used for opening or closing the outlet of the cement mortar tank (9) and uniformly pouring the cement into the second screw conveyor (10) so as to convey the cement in the cement mortar tank (9) to the pulping machine (2).
5. The system of claim 1, further comprising: and the water injection mechanism (11) is communicated with the pulping machine (2) and is used for adding water into the pulping machine (2) so as to prepare the slurry by the pulping machine (2).
6. An underground slurry drilling and injection system according to claim 5, wherein the water injection mechanism (11) comprises:
a water storage structure (12),
and one end of the clean water pump (13) is communicated with the water storage structure (12) through a pipeline, the other end of the clean water pump is communicated with the pulping machine (2) through a pipeline, and the clean water pump (13) is used for pumping water in the water storage structure (12) into the pulping machine (2) so as to be used for preparing the pulp by the pulping machine (2).
7. The slurry system for undersea cementing of a borehole according to claim 1, further comprising: and the slurry pump (14) is arranged on the grouting pipeline (4) and is used for pumping the slurry in the slurry buffering pool (3) to the grouting pipeline (4).
8. The system of claim 1, further comprising: and the suspending agent adding device (15) is used for adding the suspending agent into the pulping machine (2) so as to mix the pulp and the suspending agent to prepare the pulp.
9. The system of claim 1, further comprising: a controller for controlling the slurry making system for underground borehole injection and monitoring the working state of the slurry making system for underground borehole injection, wherein the working state comprises: monitoring the running process and controlling starting and stopping.
10. The system of claim 9, wherein the controller comprises:
the flow sensor is arranged on the raw material conveying mechanism (1) and used for detecting the speed of the pulping raw material output by the raw material conveying mechanism (1);
the automatic electrical control cabinet is respectively connected with the raw material conveying mechanism (1) and the pulping machine (2) and is used for respectively controlling the starting and stopping of the raw material conveying mechanism (1) and the pulping machine (2);
the power feed cabinet is respectively connected with the raw material conveying mechanism (1) and the pulping machine (2) and is used for respectively controlling the power supply of the raw material conveying mechanism (1) and the pulping machine (2);
and the PLC control system (17) is respectively connected with the flow sensor, the automatic electric control cabinet and the power feed cabinet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222106596.6U CN217734032U (en) | 2022-08-11 | 2022-08-11 | Slurry making system for underground drilling perfusion |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222106596.6U CN217734032U (en) | 2022-08-11 | 2022-08-11 | Slurry making system for underground drilling perfusion |
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| Publication Number | Publication Date |
|---|---|
| CN217734032U true CN217734032U (en) | 2022-11-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222106596.6U Active CN217734032U (en) | 2022-08-11 | 2022-08-11 | Slurry making system for underground drilling perfusion |
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| Country | Link |
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| CN (1) | CN217734032U (en) |
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2022
- 2022-08-11 CN CN202222106596.6U patent/CN217734032U/en active Active
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