CN211917300U - Automatic slurrying system in pit in colliery - Google Patents
Automatic slurrying system in pit in colliery Download PDFInfo
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- CN211917300U CN211917300U CN202020122872.6U CN202020122872U CN211917300U CN 211917300 U CN211917300 U CN 211917300U CN 202020122872 U CN202020122872 U CN 202020122872U CN 211917300 U CN211917300 U CN 211917300U
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Abstract
The utility model provides an automatic slurrying system in pit in colliery, this automatic slurrying system includes conveyor for carrying the powder in the pit to the colliery, the material collecting device for absorbing the powder, the storage device for storing the powder, the slurrying device for making the powder into thick liquid, the slurry storing device for storing the thick liquid, the grouting device for pumping the thick liquid, the PLC controlling means for controlling the start and stop of the equipment in the slurrying system; the utility model provides a powder can adopt ton package or direct transportation to in the pit, deposit along tunnel extending direction, carry through the negative pressure and get into the storage silo, reduce artificial input, reduce manufacturing cost, workman intensity of labour has been reduced simultaneously, the dust pollution who brings when having avoided the manual work to throw the material in the storage silo, the operation environment in the pit in colliery is improved, whole slurrying process is operated by PLC controlling means, the full automatization of slurrying process has been realized, the slurrying work efficiency has been improved, the security of production is improved.
Description
Technical Field
The utility model belongs to the technical field of coal mine production equipment, concretely relates to colliery is automatic slurrying system in pit.
Background
Due to the engineering requirements of underground coal mine grouting reinforcement, water plugging, fire prevention and extinguishment, empty roadway filling and the like, a pulping station is often required to be built underground the coal mine so as to prepare powder materials such as cement, fly ash, high-water or ultrahigh-water materials and the like into slurry, and then pumping is carried out to finish grouting or filling engineering, but the pulping station or the filling station in the prior art mainly has the following problems:
(1) the automatic pulping machine has the advantages that the automatic degree is low, the labor intensity of workers is high, the working efficiency is low, powder is mainly filled into a well through standard bags, then the pulping work is completed in a manual feeding mode, the labor intensity of the workers is high, and the pulping work efficiency is limited by the feeding speed and is difficult to improve; although a part of mines are provided with temporary storage bins through digging a large-section chamber and underground, the semi-automatic pulping can only be realized by manually feeding and loading materials;
(2) in the prior art, powder is mainly packed in 25kg or 50kg bags, and is difficult to use powder packed in ton bags and the like, because a pulping system mainly adopts a manual feeding mode, no effective unloading equipment is arranged underground, the powder is mainly transported in bags and manually stacked, and is transported to a use place in a shouldering mode and the like when in use, and the labor intensity is very high.
Therefore, there is a need to provide an improved solution to the above-mentioned deficiencies of the prior art.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a colliery is automatic slurrying system in pit to solve the problem that above-mentioned prior art exists, the utility model provides a powder adopts the pneumatic conveying mode, and the powder is direct to be passed through negative pressure strength and screw conveyer, with the material defeated storage silo of sending into, according to thick liquid ratio, adds the material in automatic to high-speed vortex pulping machine to realize pulping system's full automatization.
In order to achieve the above object, the present invention provides the following technical solutions:
the utility model provides an automatic slurrying system in pit in colliery, automatic slurrying system includes:
the conveying device is used for conveying powder to the underground of the coal mine;
the receiving device is positioned on one side of the conveying device and is used for absorbing the powder conveyed by the conveying device and separating the powder from air;
the inlet of the material storage device is connected with the outlet of the material receiving device and is used for storing the powder in the material receiving device;
the inlet of the pulping device is connected with the outlet of the storage device and is used for preparing the powder conveyed by the storage device into slurry;
the inlet of the pulp storage device is connected with the outlet of the pulping device and is used for storing the pulp made by the pulping device;
the grouting device is connected with the slurry storage device and is used for pumping slurry in the slurry storage device;
the PLC control device is arranged on the ground, and is electrically connected with the material receiving device, the material storage device, the pulping device and the pulp storage device, and is used for controlling the material receiving device, the material storage device, the pulping device and the pulp storage device to start and stop.
According to the automatic pulping system under the coal mine, preferably, the conveying device is a mine car or a ton bag, the mine car or the ton bag conveys powder to the underground coal mine from a coal mine port, and the powder can be arranged along the extending direction of a roadway.
According to the above automatic slurrying system in the pit of the coal mine, as preferred, the material collecting device includes:
the bottom of the material collecting bin is in a wedge shape with a large upper opening and a small lower opening and is used for collecting the powder conveyed by the conveying device;
one end of the material suction pipe is connected with the conveying device, and the other end of the material suction pipe is connected with an inlet of the material receiving bin and is used for sucking powder in the conveying device into the material receiving bin;
the Roots blower is positioned between the receiving bin and the storage device, connected with the receiving bin and electrically connected with the PLC control device and used for generating negative pressure in the receiving bin;
and one end of the negative pressure pipe is connected with the Roots blower, and the other end of the negative pressure pipe is connected with the material receiving bin and is used for emptying air in the material receiving bin.
According to the above automatic slurrying system in the underground coal mine, preferably, the storage device comprises:
the bottom of the storage silo is funnel-shaped and is used for storing the powder in the material receiving device;
one end of the first spiral conveyor is connected with the outlet of the material receiving device, the other end of the first spiral conveyor is connected with the inlet of the material storage silo, and the first spiral conveyor is electrically connected with the PLC control device and used for conveying the powder in the material receiving device into the material storage silo;
and the weighing sensor is positioned at the lower part of the storage silo, is electrically connected with the PLC control device and is used for weighing the weight of the storage silo.
According to the above coal mine underground automatic pulping system, preferably, the pulping device comprises:
the pulping machine is positioned on one side of the storage device, is electrically connected with the PLC control device and is used for preparing powder in the storage device into slurry;
one end of the second spiral conveyor is connected with the outlet of the material storage device, the other end of the second spiral conveyor is connected with the inlet of the pulping machine, and the second spiral conveyor is electrically connected with the PLC control device and is used for conveying the powder in the material storage device into the pulping machine;
the slurry pump is positioned between the pulping machine and the slurry storage device, the inlet of the slurry pump is connected with the bottom of the pulping machine through a slurry suction pipe, and the outlet of the slurry pump is connected with one end of a three-way reversing valve through a third slurry discharge pipe and used for controlling the slurry in the pulping machine to be discharged;
three-way reversing valve, three-way reversing valve is located the top of sediment stuff pump, the one end of three-way reversing valve through first arrange thick liquid pipe with the top of pulping machine is connected, one end through the second arrange thick liquid pipe with store up the top of thick liquid device and connect, one end is passed through the third arrange thick liquid pipe with the exit linkage of sediment stuff pump, three-way reversing valve with electricity is connected between the PLC controlling means for the flow direction of control thick liquid.
According to the coal mine underground automatic pulping system, preferably, the pulping device further comprises:
the static pressure water pipe is laid along the top plate of the roadway, and a water outlet of the static pressure water pipe is arranged above the pulping machine and used for injecting water into the pulping machine;
the electromagnetic flow meter is arranged on the static pressure water pipe and used for metering the water yield of the static pressure water pipe;
and the pneumatic ball valve is arranged on the static pressure water pipe and is positioned at the downstream of the electromagnetic flowmeter, and the pneumatic ball valve is electrically connected with the PLC control device and is used for controlling the on-off of the static pressure water pipe.
According to the above automatic underground coal mine slurry making system, preferably, the slurry storage device comprises:
the pulp storage barrel is arranged on one side of the pulping device and is used for storing the pulp made by the pulping device;
the ultrasonic liquid level meter is positioned above the pulp storage barrel, and is electrically connected with the PLC control device and used for monitoring the pulp liquid level in the pulp storage barrel;
the stirrer is located in the slurry storage barrel, and the stirrer is electrically connected with the PLC control device and used for stirring the slurry in the slurry storage barrel to prevent the slurry from solidifying.
According to the above coal mine underground automatic pulping system, preferably, the grouting device comprises:
the grouting pump is placed on the roadway bottom plate and used for pumping slurry;
one end of the grouting pump slurry suction pipe is connected with the outlet at the bottom of the slurry storage device, and the other end of the grouting pump slurry suction pipe is connected with the inlet of the grouting pump;
the grouting pump is connected with the outlet of the grouting pump.
Compared with the closest prior art, the utility model provides a technical scheme has following excellent effect:
the utility model discloses powder among the automatic slurrying system in the colliery is in the pit adopts ton package or mine car transportation, the bulk cargo is deposited along tunnel length direction, and adopt the air conveying mode, the powder is direct to be carried through negative pressure strength and screw conveyer, carry the powder to the storage silo in, the weight of powder is carried to the single has not only been increased, and do not need artifical the stacking, reduce artificial input, the production cost is reduced, and the workman intensity of labour is reduced simultaneously, the dust pollution who brings when having avoided simply relying on the manual work to throw the material in the storage silo, the operation environment in the pit of colliery is improved. According to the slurry proportioning requirement, powder and water are automatically added into the pulping machine, the pulping machine can realize internal circulation, resource waste caused by slurry solidification is avoided, the whole pulping process is operated by the PLC control device, full automation of the pulping process is realized, the pulping work efficiency is improved, an operator does not need to enter a coal mine roadway to operate a pulping system, and the production safety is improved.
Drawings
FIG. 1 is a schematic diagram of the detailed structure of an automatic pulping system according to an embodiment of the present invention;
fig. 2 is a schematic plan view of an automatic pulping system according to an embodiment of the present invention.
In the figure: 1. powder material; 2. a material suction pipe; 3. a material receiving bin; 4. a negative pressure tube; 5. a Roots blower; 6. a first screw conveyor; 7. a storage silo; 8. a second screw conveyor; 9. a weighing sensor; 10. pulping; 11. a static pressure water pipe; 12. an electromagnetic flow meter; 13. a pneumatic ball valve; 14. a pulp suction pipe; 15. a slurry pump; 16. a three-way reversing valve; 17. a first slurry discharge pipe; 18. a second slurry discharge pipe; 19. a third slurry discharge pipe; 20. an ultrasonic level gauge; 21. a pulp storage barrel; 22. a stirrer; 23. grouting pump; 24. grouting a slurry suction pipe; 25. grouting a slurry conveying pipe; 26. a roadway roof; 27. a roadway floor; 28. and (5) side walls of the roadway.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely below, and it should be understood that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art all belong to the protection scope of the present invention.
In the description of the present invention, the terms "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description of the present invention and do not require that the present invention must be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. The terms "connected" and "connected" used in the present invention should be understood in a broad sense, and may be, for example, either fixed or detachable; they may be directly connected or indirectly connected through intermediate members, and specific meanings of the above terms will be understood by those skilled in the art as appropriate.
The invention will be described in detail below with reference to the accompanying drawings and embodiments, it being noted that the embodiments and features of the embodiments can be combined with each other without conflict.
As shown in fig. 1 and fig. 2, the utility model provides an automatic slurrying system in pit in coal mine, this automatic slurrying system includes conveyor, and conveyor carries powder 1 of well head to the coal mine underground, carries powder 1 to slurrying operation point, the utility model discloses the conveyor in the embodiment is ton package or mine car, and ton package or mine car send powder 1 to in the well, and deposit along the tunnel extending direction, the utility model provides a ton package indicates that a flexible transportation packaging container (also called flexible container/space package/flexible container/ton bag/space bag/primary and secondary bag), has dampproofing, dustproof, resistant radiation, firm safe advantage, and structurally has sufficient intensity moreover; the receiving device is arranged on one side of the conveying device and is used for collecting the powder conveyed by the conveying device; the inlet of the material storage device is connected with the outlet of the material receiving device and used for storing the powder 1 in the material receiving device, the outlet of the material receiving device is arranged at the bottom, the inlet of the material storage device is arranged at the top, and the powder 1 is conveyed into the material storage device from bottom to top; the inlet of the pulping device is connected with the outlet of the storage device, the powder 1 conveyed by the storage device is made into slurry, similarly, the outlet of the storage device is arranged at the bottom, and the inlet of the pulping device is arranged at the top, so that the conveyed powder 1 can be accurately controlled, and excessive powder 1 is prevented from being conveyed into the pulping device; the inlet of the slurry storage device is connected with the outlet of the pulping device, and the slurry prepared by the pulping device is stored; the grouting device is arranged at the tail end of the automatic pulping system and fills prepared slurry; PLC controlling means, PLC controlling means sets up subaerial, PLC controlling means and material collecting device, storage device, slurrying device and store up and be connected between the thick liquid device electricity, the opening of equipment stops in the automatic slurrying system of control, the embodiment of the utility model provides an in the preferred PLC switch board of PLC controlling means, the model of PLC switch board is not further injectd, can control the switch board of equipment operation in this system all can, the PLC switch board can accomplish equipment automation and process automation control, job stabilization, multiple functional, the staff can realize the automation of whole slurrying system through operating PLC controlling means.
Further, the material receiving device comprises a material receiving bin 3, the bottom of the material receiving bin 3 is a wedge-shaped material with a large upper opening and a large lower opening, and the material receiving bin 3 is positioned on the right side of a ton bag or a mine car, the material receiving bin 3 in the embodiment of the invention realizes the separation of powder 1 and gas, after the powder 1 and the gas are separated, the powder 1 falls into a feeding hopper at the bottom 6 of a first screw conveyor, the powder is conveyed to a storage bin 7 through the first screw conveyor 3, a bracket is arranged on the outer wall of the material receiving bin 3, one end of the bracket is fixedly connected with the outer wall of the material receiving bin 3, the other end of the bracket is arranged on a roadway bottom plate 27 and used for supporting the material receiving bin 3, the bottom of the material receiving bin 3 is far away from the roadway bottom plate 27, so that the feeding hopper of the first screw conveyor; one end of the material suction pipe 2 is inserted into a powder material 1 of a ton bag or a mine car, the other end of the material suction pipe 2 is connected with an inlet at the top of the material receiving bin 3, the powder material 1 is sucked into the material receiving bin 3, the material suction pipe 2 is preferably a hard black rubber pipe, and the hard black rubber pipe cannot influence the material suction effect due to deformation of the appearance of the material suction pipe 2 caused by negative pressure; the Roots blower 5 is positioned on the right side of the material receiving bin 3, the Roots blower 5 is placed on the roadway bottom plate 27, the Roots blower is electrically connected with the PLC control device, and the Roots blower 5 is used for generating negative pressure in the material receiving bin 3; negative pressure pipe 4, the one end of negative pressure pipe 4 and roots blower 5's entry linkage, the other end and the top lateral wall through connection who receives feed bin 3, an air for the evacuation receives the material in the 3 storehouses, during the use, roots blower 5 rotates, discharge through negative pressure pipe 4 the air in will receiving the feed bin, make and become the negative pressure in receiving the feed bin 3, powder 1 gets into in receiving the feed bin 3 through inhaling material pipe 2 under the effect of negative pressure, the dust pollution that the powder brought when the manual work was thrown the material has been avoided, the effectual operation environment in the pit of colliery that has protected.
Further, the storage device comprises a storage silo 7, the storage silo 7 is located on the right side of the Roots blower 5, the bottom of the storage silo 7 is funnel-shaped, the funnel-shaped bottom can slow down the discharging speed of the powder 1, the capacity of the storage silo 7 is larger than that of the receiving bin, the situation that the powder cannot be stored is avoided, a support is arranged on the outer wall of the storage silo 7, one end of the support is fixedly connected with the outer wall of the storage silo 7, the other end of the support is placed on the roadway bottom plate 27 and used for supporting the storage silo 7, the bottom of the storage silo 7 is far away from the roadway bottom plate 27, and one end of the second spiral conveyor 8 is conveniently placed at the bottom of the storage silo; the first spiral conveyor 6 is arranged at the bottom of the material receiving bin 3, one end of the first spiral conveyor 6 is connected with an outlet of the material receiving bin 3, the other end of the first spiral conveyor 6 is arranged at the top of the material storage bin 7, powder flowing out of the bottom of the material receiving bin 3 is conveyed into the material storage bin 7 through the first spiral conveyor 6, and the first spiral conveyor 6 is electrically connected with the PLC control device and used for controlling the start and stop of the first spiral conveyor 6; the weighing sensor 9 is positioned below the storage silo 7, particularly at the bottom of a support of the storage silo 7, the weighing sensor 9 is electrically connected with the PLC control device, the weight of the storage silo 7 is weighed, the number of the weighing sensors 9 is matched with the number of supporting legs of the support of the storage silo 7, the weighed weight of the storage silo 7 is guaranteed to be accurate, when the first spiral conveyor 6 conveys powder 1 into the storage silo 7, the weight of the storage silo 7 is slowly increased, and information of the weighed weight of the weighing sensors 9 is fed back to the PLC control device.
After the powder 1 in the storage silo 7 is fully stored, the weighing sensor 9 feeds back the weighed weight to the PLC control device, the PLC control device disconnects the Roots blower 5 from the first screw conveyor 6 to stop working, the powder 1 is stopped being conveyed into the storage silo 7, when the second screw conveyor 8 conveys the powder 1 into the stirrer 10, the weighing sensor 9 weighs the reduced weight of the storage silo 7, when the powder in the storage silo 7 weighed by the weighing sensor 9 is lower than the set minimum value, the Roots blower 5 and the first screw conveyor 3 are started to convey the powder 1 into the storage silo 7, the second screw conveyor 8 and the stirrer 10 are stopped running while the powder is conveyed into the storage silo 7, and the process is further explained by a group of data.
The storage silo 7 can store 3-5 tons of powder 1, 200KG-300KG of powder 1 is added into the stirrer 10 every time, in the embodiment of the present invention, 3 tons of powder 1 can be stored in the storage silo 7, 300KG of powder is added into the stirrer 10 every time, the total weight of the storage silo 7 is weighed by the weighing sensor 9 and is reduced by 300KG, when powder 1 is added into the stirrer 10 for the ninth time, powder 1 in the storage silo 7 is not enough added, the PLC control device will send a start signal to the first screw conveyor 6 and the Roots blower 5, powder 1 is quickly conveyed into the storage silo 7, at this time, the second screw conveyor 8 stops running, the stirrer 10 stops stirring, when the weight of the storage silo 7 reaches 3 tons, the PLC control device will send a stop signal to the first screw conveyor 6 and the Roots blower 5, stopping conveying the powder into the storage silo 7.
Further, the pulping device comprises a pulping machine 10, the pulping machine 10 is positioned on the right side of the storage silo 7, the bottom of the pulping machine 10 is in a wedge shape with a large upper opening and a large lower opening and is communicated with the pulp suction pipe 14, a support is arranged on the outer wall of the pulping machine 10, one end of the support is fixedly connected with the outer wall of the pulping machine 10, the other end of the support is placed on the roadway bottom plate 27 and is used for supporting the pulping machine 10, the pulping machine 10 is used for preparing the powder material 1 conveyed from the storage silo 7 into pulp, the pulping machine 10 preferably selects a high-speed vortex pulping machine, the pulping speed is high, and the stirring is uniform; one end of the second spiral conveyor 8 is positioned at the bottom of the storage silo 7 and is connected with an outlet of the storage silo 7, the other end of the second spiral conveyor 8 is positioned at the top of the slurrying machine 10, the powder 1 flowing out of the storage silo 7 is conveyed into the slurrying machine 10 through the second spiral conveyor 8, and the second spiral conveyor 8 is electrically connected with the PLC control device and is used for controlling the start and stop of the second spiral conveyor 8; the static pressure water pipe 11 is laid by means of a roadway top plate 26, one end of the static pressure water pipe 11 is connected with a water source, the other end of the static pressure water pipe extends to the top of the pulping machine 10, and water is injected into the pulping machine 10; the electromagnetic flowmeter 12 is arranged on the static pressure water pipe 11, and can detect the amount of water injected into the pulping machine 10 by the static pressure water pipe 11; the pneumatic ball valve 13 is installed at the downstream of the electromagnetic flow meter 12, the pneumatic ball valve 13 is electrically connected with the PLC control device and used for controlling the supply and the stop of water, water is metered through the electromagnetic flow meter 12 according to the proportioning requirement, and after the proportioning requirement is met, the pneumatic ball valve 13 is closed and the water supply to the pulping machine 10 is stopped; the slurry pump 15 is positioned on the right side of the pulping machine 10, the inlet of the slurry pump 15 is connected with the outlet at the bottom of the pulping machine 10 through a slurry suction pipe 14, the outlet of the slurry pump 15 is connected with one end of a three-way reversing valve 16 through a third slurry discharge pipe 19, the slurry pump 15 is electrically connected with the PLC control device, and the slurry pump 15 controls the slurry discharge of slurry in the pulping machine 10; and one end of the three-way reversing valve 16 is in through connection with the side wall of the top of the pulping machine 10 through a first pulp discharging pipe 17, one end of the three-way reversing valve 16 is in through connection with the top of the pulp storage device through a second pulp discharging pipe 18, one end of the three-way reversing valve is in through connection with the outlet of the slurry pump 15 through a third pulp discharging pipe 19, and the three-way reversing valve 16 is electrically connected with the PLC control device and used for controlling the flowing direction of the slurry.
Specifically, a static pressure water pipe 11 supplies water into a pulping machine 10, the water amount of the water is measured by an electromagnetic flowmeter 12, the pneumatic ball valve 13 is closed after the water amount required by pulping is reached, the water supply into the pulping machine 10 is stopped, a second screw conveyor is started to start conveying powder into the pulping machine after the water is added to a preset value, a weighing sensor 9 at the bottom of a storage silo 7 weighs the weight of the storage silo 7 in real time according to the pulping proportion requirement, the second screw conveyor 8 stops working after the preset value is reached, the powder 1 is stopped being conveyed into the pulping machine 10, a slurry pump 15 is in a starting state in the whole water adding process, the slurry pump 15 sucks the water in the pulping machine 10 through a slurry suction pipe 14 and flows into the pulping machine through a third slurry discharge pipe 19 and a first slurry discharge pipe 17 to form a vortex in the pulping machine 10, and the powder 1 is primarily mixed and stirred under the circulation action of the water after the powder 1 enters the pulping machine 10, setting the stirring time, starting the pulping machine 10 to work, fully mixing and stirring the powder 1 and the water which are mixed and stirred for the first time by the pulping machine 10 to prepare the slurry meeting the proportioning requirement, and completing the pulping process of the powder and the water in a short time under the combined action of the circulation of a residue slurry pump and the stirring of the pulping machine, so that the stirring efficiency is greatly improved; after pulping of the pulping machine 10 is completed, the three-way reversing valve 16 is reversed to communicate the third pulp discharge pipe 19 with the second pulp discharge pipe 18, the slurry pump 15 conveys the slurry in the pulping machine 10 into the pulp storage barrel 21 from the bottom through the pulp suction pipe 14, when the pulp storage barrel 21 is full of slurry, the three-way reversing valve 16 is reversed to communicate the third pulp discharge pipe 19 with the first pulp discharge pipe 17, at the moment, the slurry pump 15 extracts the slurry in the pulping machine 10 from the bottom and then injects the slurry into the pulping machine 10 again through the first pulp discharge pipe, and thus, an internal circulation state is formed between the pulping machine 10 and the slurry pump 15, and solidification of the slurry is avoided.
Further, the pulp storage device comprises a pulp storage barrel 21, the pulp storage barrel 21 is positioned on the right side of the slurry pump 15, the pulp storage barrel 21 is placed on the roadway bottom plate 27 and used for storing the pulp prepared by the pulping machine 10, the capacity of the pulp storage barrel 21 is larger than that of the pulping machine 10, the pulp prepared by the pulping machine 10 can be discharged into the pulp storage barrel 21 at any time, and the production continuity is guaranteed; the ultrasonic liquid level meter 20 is positioned above the pulp storage barrel 21 and is electrically connected with the PLC control device, the pulp liquid level in the pulp storage barrel is detected, and when the ultrasonic liquid level meter 20 detects that the pulp liquid level in the pulp storage barrel 21 reaches the upper limit, the three-way reversing valve 16 reverses to stop conveying pulp into the pulp storage barrel; agitator 22, agitator 22 are located and store up thick liquid bucket 21, and the electricity is connected between the PLC controlling means, stirs the thick liquid that stores up in the thick liquid bucket 21, prevents that the thick liquid from educing and precipitating, the preferred oar formula agitator that is of agitator in the embodiment of the utility model provides a, oar formula agitator includes the motor, puddler and paddle, and the one end and the motor of puddler are connected, and in the other end stretched into the thick liquid, the end at the puddler is installed to the paddle, and preferred paddle is two, and two paddle symmetries are installed at the end of puddler, and the motor is connected with PLC controlling means, and the motor rotates to drive the paddle rotation of connecting on the puddler, and the paddle sti.
Further, the grouting device comprises a grouting pump 23, the grouting pump 23 is placed on the roadway bottom plate 27, and the grout in the grout storage barrel 21 is filled; one end of the grouting pump suction pipe 24 is communicated with the outlet at the bottom of the grouting storage barrel 21, and the other end of the grouting pump suction pipe 24 is connected with the inlet of the grouting pump 23, so that the grout in the grouting storage barrel 21 is conveyed to the grouting pump 23; the grouting pump is characterized by comprising a grouting pump conveying pipe 25, the grouting pump conveying pipe 25 is connected with an outlet of the grouting pump 23, the grouting pump conveying pipe 25 is preferably an explosion-proof hose, the grout pressurized by the grouting pump 23 can generate certain pressure, and the explosion-proof hose is selected as the grouting pump conveying pipe 25 to ensure the construction safety during grout filling.
The utility model discloses material collecting device, storage device, slurrying device and storage thick liquid device pass through supply cable and are connected with PLC controlling means in the implementation, and the number of receiving feed bin 3 and storage silo 7 is one, when needing multiple powder 1 when the preparation thick liquid, set up a plurality of receiving feed bins 3 and a plurality of storage silo 7 can, set up the mode, set up the process and the method of use the same with the above-mentioned explanation process, no longer describe repeatedly.
The utility model discloses a use method includes following step:
s1, after the powder is conveyed to a pulping operation point by the conveying device, the powder is stored along the extending direction of the roadway;
powder 1 at the wellhead is loaded into a ton bag or a mine car and conveyed into the well and stored along the extending direction of the roadway, more powder can be conveyed to a pulping operation point at one time, and the labor intensity of workers is reduced.
S2, operating the PLC control device to start the automatic pulping system, and making the powder into slurry through a series of conveying, mixing and stirring after the powder sequentially passes through the material receiving device, the material storage device, the pulping device and the slurry storage device.
S201, starting the automatic pulping system, electrifying the PLC control device, and sequentially connecting the Roots blower, the first screw conveyor, the slurry pump, the slurry storage device and the grouting device.
S202, negative pressure is generated in the receiving bin 3, the material suction pipe 2 sucks powder in ton bags or mine cars or bulk materials stored along the extending direction of a roadway into the receiving bin 3, a pneumatic conveying mode is adopted, powder 1 within 30m of a pulping point can be sucked into the receiving bin 3, manual material conveying and feeding are reduced, and labor intensity is reduced.
S203, the powder 1 sucked into the material receiving bin 3 flows out from the bottom of the material receiving bin 3, the bottom of the material receiving bin 3 is connected with a hopper of a first spiral conveyor 6, and the powder 1 falls into the hopper and is conveyed to a material storage silo 7 by the first spiral conveyor 6.
S204, the first screw conveyor 6 continuously conveys the powder 1 into the storage silo 7, the weighing sensor 9 is installed at the bottom of the storage silo 7, the weighing sensor 9 is used for weighing, when the powder 1 in the storage silo 7 is full, the weighing sensor 9 transmits a weighed weight signal to the PLC control device, at the moment, the Roots blower 5 and the first screw conveyor 6 controlled by the PLC control device stop working, feeding 1 into the storage silo 7 is stopped, and the material receiving bin 3 is not sucking the material 1.
S205, supplying water into the pulping machine 10 through the static pressure water pipe 11, metering the water through the electromagnetic flow meter 12, closing the pneumatic ball valve 13 after the water reaches the water amount required by pulping, stopping supplying the water through the static pressure water pipe 11, and starting the second screw conveyor 8 to convey powder into the pulping machine 10 in the water adding process.
S206, according to the pulping ratio, the second spiral conveyor 8 starts to work, the powder 1 in the storage silo 7 is conveyed to the high-speed vortex pulping machine, the powder 1 in the storage silo 7 is continuously reduced while the second spiral conveyor 8 conveys the powder to the high-speed vortex pulping machine, the weighing sensor 9 weighs the storage silo 7, when the weight in the storage silo 7 is reduced to a preset value, the powder 1 in the high-speed vortex pulping machine is the required weight, and at the moment, the second spiral conveyor 8 controlled by the PLC stops working and stops conveying the powder to the high-speed vortex pulping machine.
S207, setting the stirring time, starting pulping by the pulping machine 10, reversing by the three-way reversing valve 16 after pulping is finished, communicating the second pulp discharge pipe 18 with the third pulp discharge pipe 19, and conveying pulp in the high-speed vortex pulping machine into the pulp storage barrel 21 through the pulp suction pipe 14 at the bottom.
And S208, after the slurry of the pulping machine is discharged, repeating S205 and S206, performing the next pulping cycle, when the weight of the powder 1 in the storage silo 7 is less than the weight of the powder required by one pulping cycle, repeating S202, S203 and S204, feeding the powder into the storage silo 7, when the storage silo 7 reaches the upper limit of the storage material, stopping the conveying of the powder 1 by the Roots blower 5 and the first screw conveyor 6, stopping the work of the second screw conveyor 8 while conveying the powder to the storage silo 7, stopping the stirring of the pulping machine 10, and circulating the slurry pump 15 to enable the pulping machine 10 to be in an internal circulation state.
S209, the ultrasonic liquid level meter 20 is installed on the pulp storage barrel 21, the liquid level of the pulp in the pulp storage barrel is detected constantly, when the liquid level of the pulp in the pulp storage barrel 21 is detected to reach a preset value, the three-way reversing valve 16 is reversed, the pulp is stopped being conveyed into the pulp storage barrel 21, at the moment, the third pulp discharge pipe 19 and the first pulp discharge pipe 17 are communicated, the pulp is extracted from the bottom of the high-speed vortex pulping machine through the pulp suction pipe 14 and is injected into the high-speed vortex pulping machine again through the first pulp discharge pipe 17, and the pulp is in an internal circulation state in the high-speed vortex pulping machine.
S210, the slurry entering the slurry storage barrel 21 is in a flowing state under the action of the stirrer 22, and the slurry is prevented from being separated and precipitated in the slurry storage barrel.
And S3, conveying the prepared slurry through a grouting pump 23, and pumping out the grouting pump 23 from the bottom of the slurry storage barrel 21 to fill the position needing grouting underground.
In conclusion, the utility model discloses the powder among the automatic slurrying system in the colliery is in pit adopts ton package or mine car transportation, and the powder is deposited along tunnel length direction to adopt pneumatic conveying mode, the powder is directly carried through negative pressure strength and screw conveyer, carry the powder to the storage silo in, not only increased the weight of single transport powder, and do not need artifical the piling up, reduce artifical input, reduction in production cost, workman intensity of labour has been reduced simultaneously, the dust pollution who brings when having avoided relying on only artifical to throw the material in the storage silo, the operation environment in the colliery is improved. According to the slurry proportioning requirement, powder and water are automatically added into the pulping machine, the pulping machine can realize internal circulation, resource waste caused by slurry solidification is avoided, the whole pulping process is operated by the PLC control device, full automation of the pulping process is realized, the pulping work efficiency is improved, an operator does not need to enter a coal mine roadway to operate a pulping system, and the production safety is improved.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, but rather as the following claims are intended to cover all modifications, equivalents, and improvements falling within the spirit and principles of the present invention.
Claims (8)
1. The utility model provides a colliery is automatic slurrying system in pit which characterized in that, automatic slurrying system includes:
the conveying device is used for conveying powder to the underground of the coal mine;
the receiving device is positioned on one side of the conveying device and is used for absorbing the powder conveyed by the conveying device and separating the powder from air;
the inlet of the material storage device is connected with the outlet of the material receiving device and is used for storing the powder in the material receiving device;
the inlet of the pulping device is connected with the outlet of the storage device and is used for preparing the powder conveyed by the storage device into slurry;
the inlet of the pulp storage device is connected with the outlet of the pulping device and is used for storing the pulp made by the pulping device;
the grouting device is connected with the slurry storage device and is used for pumping slurry in the slurry storage device;
the PLC control device is arranged on the ground, and is electrically connected with the material receiving device, the material storage device, the pulping device and the pulp storage device, and is used for controlling the material receiving device, the material storage device, the pulping device and the pulp storage device to start and stop.
2. The underground coal mine automatic pulping system according to claim 1, wherein the conveying device is a mine car or a ton bag, the mine car or the ton bag conveys powder from a coal mine port to the underground coal mine, and the powder can be arranged along the extending direction of a roadway.
3. The automatic slurrying system in pit in colliery of claim 1, characterized in that, material collecting device includes:
the bottom of the material collecting bin is in a wedge shape with a large upper opening and a small lower opening and is used for collecting the powder conveyed by the conveying device;
one end of the material suction pipe is connected with the conveying device, and the other end of the material suction pipe is connected with an inlet of the material receiving bin and is used for sucking powder in the conveying device into the material receiving bin;
the Roots blower is positioned between the receiving bin and the storage device, connected with the receiving bin and electrically connected with the PLC control device and used for generating negative pressure in the receiving bin;
and one end of the negative pressure pipe is connected with the Roots blower, and the other end of the negative pressure pipe is connected with the material receiving bin and is used for emptying air in the material receiving bin.
4. The underground coal mine automatic pulping system according to claim 1, wherein the storage device comprises:
the bottom of the storage silo is funnel-shaped and is used for storing the powder in the material receiving device;
one end of the first spiral conveyor is connected with the outlet of the material receiving device, the other end of the first spiral conveyor is connected with the inlet of the material storage silo, and the first spiral conveyor is electrically connected with the PLC control device and used for conveying the powder in the material receiving device into the material storage silo;
and the weighing sensor is positioned at the lower part of the storage silo, is electrically connected with the PLC control device and is used for weighing the weight of the storage silo.
5. The coal mine underground automatic pulping system according to claim 1, wherein the pulping device comprises:
the pulping machine is positioned on one side of the storage device, is electrically connected with the PLC control device and is used for preparing powder in the storage device into slurry;
one end of the second spiral conveyor is connected with the outlet of the material storage device, the other end of the second spiral conveyor is connected with the inlet of the pulping machine, and the second spiral conveyor is electrically connected with the PLC control device and is used for conveying the powder in the material storage device into the pulping machine;
the slurry pump is positioned between the pulping machine and the slurry storage device, the inlet of the slurry pump is connected with the bottom of the pulping machine through a slurry suction pipe, and the outlet of the slurry pump is connected with one end of a three-way reversing valve through a third slurry discharge pipe and used for controlling the slurry in the pulping machine to be discharged;
three-way reversing valve, three-way reversing valve is located the top of sediment stuff pump, the one end of three-way reversing valve through first arrange thick liquid pipe with the top of pulping machine is connected, one end through the second arrange thick liquid pipe with store up the top of thick liquid device and connect, one end is passed through the third arrange thick liquid pipe with the exit linkage of sediment stuff pump, three-way reversing valve with electricity is connected between the PLC controlling means for the flow direction of control thick liquid.
6. The coal mine underground automatic pulping system according to claim 5, wherein the pulping device further comprises:
the static pressure water pipe is laid along the top plate of the roadway, and a water outlet of the static pressure water pipe is arranged above the pulping machine and used for injecting water into the pulping machine;
the electromagnetic flow meter is arranged on the static pressure water pipe and used for metering the water yield of the static pressure water pipe;
and the pneumatic ball valve is arranged on the static pressure water pipe and is positioned at the downstream of the electromagnetic flowmeter, and the pneumatic ball valve is electrically connected with the PLC control device and is used for controlling the on-off of the static pressure water pipe.
7. The coal mine underground automatic pulping system according to claim 1, wherein the pulp storage device comprises:
the pulp storage barrel is arranged on one side of the pulping device and is used for storing the pulp made by the pulping device;
the ultrasonic liquid level meter is positioned above the pulp storage barrel, and is electrically connected with the PLC control device and used for monitoring the pulp liquid level in the pulp storage barrel;
the stirrer is located in the slurry storage barrel, and the stirrer is electrically connected with the PLC control device and used for stirring the slurry in the slurry storage barrel to prevent the slurry from solidifying.
8. The coal mine underground automatic pulping system according to claim 1, wherein the grouting device comprises:
the grouting pump is placed on the roadway bottom plate and used for pumping slurry;
one end of the grouting pump slurry suction pipe is connected with the outlet at the bottom of the slurry storage device, and the other end of the grouting pump slurry suction pipe is connected with the inlet of the grouting pump;
the grouting pump is connected with the outlet of the grouting pump.
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| CN202020122872.6U CN211917300U (en) | 2020-01-19 | 2020-01-19 | Automatic slurrying system in pit in colliery |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| AU2021106844B4 (en) * | 2021-08-20 | 2022-03-24 | VentSec Pty Ltd | Cementitious product applicator |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| AU2021106844B4 (en) * | 2021-08-20 | 2022-03-24 | VentSec Pty Ltd | Cementitious product applicator |
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