CN212498316U - Multi-micro-powder prefabricated slurry conveying system - Google Patents
Multi-micro-powder prefabricated slurry conveying system Download PDFInfo
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- CN212498316U CN212498316U CN202021602678.4U CN202021602678U CN212498316U CN 212498316 U CN212498316 U CN 212498316U CN 202021602678 U CN202021602678 U CN 202021602678U CN 212498316 U CN212498316 U CN 212498316U
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Abstract
The utility model provides a prefabricated thick liquid conveying system of many miropowders. The conveying system comprises a micro powder bin, a micro powder scale, a high-concentration stirring barrel and a slurry pump. Wherein, the micro-powder scale consists of a steady flow feeding device and a spiral electronic scale; the high-concentration stirring barrel is provided with a prepared water input pipeline; the slurry pump is provided with a pre-slurrying conveying pipeline. The system is independently arranged, the system framework is reasonable in design, the occupied area is small, the construction cost is low, the installation is simple, the position is not limited, and the centralized arrangement of facilities and equipment is facilitated. Meanwhile, the system has strong adaptability to the types of micro-powder materials, and can meet the adding requirements of various micro-powder materials; the conveying is simple and reliable, the conveying distance is flexible and controllable, the connection with the existing filling system is simple, and the influence on the existing filling system is small.
Description
Technical Field
The utility model relates to a mining industry fills technical field, especially relates to a prefabricated thick liquid conveying system of many miropowders.
Background
At present, the framework of the domestic mine filling system mainly comprises a filling main material conveying system, an auxiliary material storing system, a stirring system, a pumping and pressurizing system, a pipeline conveying system and a water pump water supply system, and the mine filling system has the following defects: the filling process system is large and complex, and occupies a large space; and the system is difficult to install, complex to operate and high in construction cost.
In the prior art, the mine filling multi-micro-powder adding process and the conveying system mainly have the following two conditions:
1) the filling system is newly built, one or more micropowder bins are configured according to the types of micropowder (powdery material for filling), micropowder feeding and metering equipment is installed at the bottom of each micropowder bin, and after feeding and metering, one or more micropowder(s) are directly conveyed to a filling system stirrer. However, for a newly-built filling system, if one or more kinds of micro powder are added, the defects that a plurality of micro powder bins are arranged in a centralized manner, the mutual influence between bin bodies and equipment is large, the configuration is complex, the conveying distance of dry micro powder materials is long, the conveying is difficult, and the feeding control precision is low exist.
2) The existing filling system is generally modified if micro powder types need to be newly added, one or more micro powder bins are additionally arranged according to the number of the newly added micro powder types, micro powder feeding and metering equipment is installed at the bottom of each micro powder bin, and one or more micro powders are directly conveyed to a mixer of the filling system after feeding and metering. However, for the established filling system, the types of micro powder are newly added, a plurality of micro powder bins are required to be newly added for adding the micro powder, the micro powder is conveyed and added by adopting dry materials and is limited by sites, the newly added micro powder bins are generally far away from a filling system stirrer, a plurality of devices are required for long-distance conveying of the micro powder dry materials, the conveying distance is long, the conveying difficulty is high, the reliability is low, the flow is complex, the existing filling system is greatly changed, the mutual influence is large, and the connection is complex.
The utility model patent with application number CN201220131686.4 discloses an automatic filling system of fly ash cementation. The system consists of a fly ash stirring tank, a cementing tank, a slurry stirring tank, a filling slurry conveying pipeline and an electric automatic control part, wherein the bottom of the fly ash stirring tank is connected with a pre-slurrying output pipeline; a glue solid material discharging port is arranged at the bottom of the glue solid material tank; the slurry stirring tank is arranged below the former two; the slurry mixing tank discharge port is connected with a slurry filling conveying pipeline; a prefabricated slurry output pipeline of the fly ash stirring tank is connected with the slurry stirring tank through a control valve; a screw conveyor is arranged between the discharge hole of the glue solid tank and the feed hole of the slurry stirring tank; the electric automatic control part is an automatic flow regulating device consisting of an automatic control system taking a PLC as a core, a pneumatic regulating valve, a liquid level meter and a flowmeter. But this system has the disadvantage of short slurry transport distance.
The invention patent with the application number of CN201910816640.2 discloses a coal mine goaf remote slurry filling and conveying system and a method. The system comprises a slurry preparation system, a slurry storage tank and a self-cleaning system, wherein a slurry outlet of the slurry preparation system is communicated with a slurry inlet of the slurry storage tank, a slurry outlet of the slurry storage tank is communicated with a filling working surface through a slurry delivery pump and a filling pipeline, and the self-cleaning system is communicated with the filling pipeline and the slurry inlet of the slurry storage tank through a cleaning pipeline. But the system has the defects of multiple configurations, complex system, large investment and the like.
SUMMERY OF THE UTILITY MODEL
To the not enough of above-mentioned prior art, the utility model aims at providing a many miropowders are slurrying conveying system in advance.
In order to realize the utility model discloses the purpose, the utility model provides a prefabricated thick liquid conveying system of many miropowders. The multi-micro-powder pre-pulping conveying system comprises a plurality of micro-powder bins, micro-powder scales, a high-concentration stirring barrel and a slurry pump, wherein the micro-powder scales are correspondingly arranged below the micro-powder bins;
a powdery material conveying device is arranged between the micro powder scale and the high-concentration stirring barrel; and a slurry discharging opening is formed in the side wall of the high-concentration stirring barrel, and a slurry inlet hermetically connected with the slurry discharging opening is formed in one end of the slurry pump.
Preferably, the micro-powder scale consists of a steady flow feeding device and a spiral electronic scale.
Preferably, an electro-hydraulic gate is arranged at the bin bottom of the micro-powder bin and used for controlling the discharging of the powdery materials.
Preferably, a dust remover and an ash blowing pipe are arranged at the top of the micro powder bin.
Preferably, the high-concentration stirring barrel is of a vertical structure, a preparation water input pipeline is arranged at the top of the high-concentration stirring barrel, and a plurality of layers of impellers are arranged inside the high-concentration stirring barrel; when the high-concentration stirring barrel is started, the impellers rotate oppositely at a high speed, and the powdery material and the preparation water are uniformly stirred into pre-slurrying.
Preferably, the pressurizing pressure setting range of the slurry pump is 0-16 MPa, and a pre-pulping conveying pipeline is further arranged at the other end of the slurry pump; and after the mud pump is subjected to pressurization treatment at preset pressurization pressure, the pre-slurrying is conveyed to filling equipment through the pre-slurrying conveying pipeline so as to meet the requirements of different conveying distances and different lifts.
Preferably, the filling equipment is one of a tailing buffer hopper of a filling station, a filling slurry preparation stirrer, a drilling hopper and a filling drill hole.
Preferably, the multi-micro-powder pre-pulping conveying system is independently arranged.
Preferably, the length of the prefabricated slurry conveying pipeline is more than or equal to 3 m.
Preferably, the powdery material includes, but is not limited to, one or more of slag micropowder, cement powder, lime powder, gypsum powder and additives.
Compared with the prior art, the beneficial effects of the utility model reside in that:
1. the utility model provides a multi-micro powder prefabricated slurry conveying system, which adopts a prefabricated slurry conveying system framework consisting of a micro powder bin, a powder scale, a high-concentration stirring barrel and a slurry pump, and has reasonable design and simple and controllable system; the system can increase the number of the configured micro powder bins and micro powder scales according to the type number of the micro powder materials, so that the adaptability to the type number of the micro powder materials is strong, and the adding requirements of various types of micro powder materials can be met.
2. The utility model provides a many miropowders slurrying conveying system in advance, total area is little (minimum only 8 x 8 ═ 64 square meters), and the construction cost is low and the installation is simple, is favorable to the concentrated arrangement of each facility, equipment. Moreover, the micro powder conveying distance of the system is flexible and controllable (the shortest distance is only 3m), the blanking is stable, the metering is accurate, and the conveying is simple and reliable. The micro powder pre-pulping prepared by the system is conveyed by adopting a pre-pulping conveying pipeline, so that the requirements of different conveying distances and lifts can be met, the conveying flow is stable, and the conveying is also very reliable even if the micro powder is conveyed for a long distance.
3. The utility model provides a miropowder that many miropowders prefabricated thick liquid conveying system preparation obtained is slurried in advance and is carried to having the filling system in through prefabricated thick liquid pipeline, this system and have the distance between the filling station unrestricted, can nearly can be far away, therefore the position selection of this system is nimble controllable, unrestricted.
4. The utility model provides a many miropowders slurrying conveying system in advance is independent setting, and has filled the contact between the station only for a pipe diameter is less than 65 mm's prefabricated thick liquid pipeline, and its prefabricated thick liquid unloading point can have multiple selection according to on-the-spot actual conditions, has to fill the station and need not change, consequently simple with linking up of current filling system, and its influence to current filling system is very little.
Drawings
Fig. 1 is the structure schematic diagram of the multi-micro powder prefabricated slurry conveying system provided by the utility model.
Reference numerals:
100. a multi-micro-powder pre-pulping conveying system; 10. a micropowder bin; 20. micro powder scale; 30. a high-concentration stirring barrel; 40. a slurry pump; 11. an electro-hydraulic gate; 12. a dust remover; 13. a soot blowing pipe; 21. a steady flow feeding device; 22. a spiral electronic scale; 31. preparing a water input pipeline; 41. pre-pulping conveying pipeline.
Detailed Description
The technical solutions of the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings, and it is to be understood that the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
Referring to fig. 1, the present invention provides a multi-micro powder pre-slurry delivery system.
The multi-micro-powder pre-pulping conveying system 100 comprises a plurality of micro-powder bins 10, micro-powder scales 20 correspondingly arranged below the micro-powder bins 10, a high-concentration stirring barrel 30 and a slurry pump 40;
a powder material conveying device (not shown in the figure) is arranged between the micro powder scale 20 and the high-concentration stirring barrel 30; a slurry discharge port (not shown) is formed in a side wall of the high-concentration stirring barrel 30, and a slurry inlet (not shown) hermetically connected to the slurry discharge port is formed at one end of the slurry pump 40.
Further, the micro-powder scale 20 is composed of a steady flow feeding device 21 and a spiral electronic scale 22.
Further, an electro-hydraulic gate 11 is arranged at the bottom of the micro-powder bin 10 and used for controlling the discharging of the powdery materials.
Further, a dust remover 12 and a dust blowing pipe 13 are arranged at the top of the micro powder bin 10.
Further, the high-concentration stirring barrel 30 is of a vertical structure, a preparation water input pipeline 31 is arranged at the top of the high-concentration stirring barrel 30, and a plurality of layers of impellers are arranged inside the high-concentration stirring barrel 30; when the high-concentration stirring barrel 30 is started, the plurality of layers of impellers oppositely rotate at high speed, and the powdery material and the preparation water are uniformly stirred into pre-slurrying.
Further, the pressurizing pressure setting range of the slurry pump 40 is 0-16 MPa, and a pre-pulping conveying pipeline 41 is further arranged at the other end of the slurry pump 40; after the slurry pump 40 performs pressurization processing at a predetermined pressurization pressure, the pre-slurrying slurry is conveyed to a filling device through the pre-slurrying conveying pipeline 41 so as to meet different conveying distance and lift requirements.
Furthermore, the filling equipment is one of a tailing buffer hopper of a filling station, a filling slurry preparation stirrer, a drilling blanking hopper and a filling drill hole.
Further, the multi-micropowder pre-slurry conveying system 100 is independently arranged.
Further, the length of the pre-pulping conveying pipeline 41 is more than or equal to 3 m.
Further, the powdery material comprises but is not limited to one or more of slag micropowder, cement powder, lime powder, gypsum powder and additives.
The multi-micro powder pre-slurry conveying system provided by the invention is further described in detail through specific embodiments.
Example 1
The embodiment of the utility model provides a many miropowders are prefabricated thick liquid conveying system 100, including 1 miropowder storehouse 10, correspond to set up miropowder balance 20, high concentration agitator 30 and slush pump 40 below 1 miropowder storehouse 10; a powdery material conveying device is arranged between the micro powder scale 20 and the high-concentration stirring barrel 30; the side wall of the high-concentration stirring barrel 30 is provided with a slurry discharging port, and the slurry pump 40 is provided with a slurry inlet hermetically connected with the slurry discharging port.
The micro-powder scale 20 consists of a steady flow feeding device 21 and a spiral electronic scale 22.
An electro-hydraulic gate 11 is arranged at the bottom of the micro-powder bin 10 and used for controlling the discharge of the powdery materials. The top of the micro powder bin 10 is provided with a dust remover 12 and a soot blowing pipe 13.
The high-concentration stirring barrel 30 is of a vertical structure, a preparation water input pipeline 31 is arranged at the top of the high-concentration stirring barrel 30, and a plurality of layers of impellers are arranged inside the high-concentration stirring barrel 30; when the high-concentration stirring barrel 30 is started, the plurality of layers of impellers oppositely rotate at high speed, and the powdery material and the preparation water are uniformly stirred into pre-slurrying.
The slurry pump 40 is also provided with a pre-slurrying conveying pipeline 41; after the slurry pump 40 performs pressurization processing at a predetermined pressurization pressure, the pre-slurrying slurry is conveyed to a filling device through the pre-slurrying conveying pipeline 41 so as to meet different conveying distance and lift requirements.
The filling equipment is a tailing buffer hopper of a filling station.
The multi-micro-powder prefabricated slurry conveying system 100 is independently arranged, and the total floor area is 8 multiplied by 8, which is 64 square meters, so that the centralized arrangement of facilities and equipment is facilitated.
The length of the pre-pulping conveying pipeline 41 is 100m, and the pipe diameter of the pre-pulping conveying pipeline 41 is 65 mm.
Based on the multi-micro-powder prefabricated slurry conveying system 100, the micro-powder prefabricated slurry adding process comprises the following steps:
s1, storing and discharging: the cement powder is pneumatically conveyed into the micro powder bin 10 through the ash blowing pipe 13 and stored; when the pre-pulping adding process is started, the electro-hydraulic gate 11 arranged at the bottom of the micro-powder bin 10 is opened to discharge materials.
S2, accurate metering: inputting the powdery material discharged in the step S1 into the micro-powder scale 20 correspondingly arranged below the micro-powder bin 10, and inputting the powdery material into the screw electronic scale 22 through the steady flow feeding device 21 to perform accurate metering of the powdery material; the steady flow feeding device 21 can stabilize the blanking flow of the powdery material, and the spiral electronic scale 22 can accurately measure and control the feeding amount of the micro powder.
S3, preparing pre-slurry: the powdery material metered in step S2 is conveyed into the high-concentration stirring barrel 30 by the powdery material conveying device, and a predetermined amount of prepared water is supplied into the high-concentration stirring barrel 30 through the prepared water input pipe 31; after mixing the preparation water and the powdery material, uniformly stirring at a high speed by the high-concentration stirring barrel 30 to prepare uniform prefabricated slurry;
s4, conveying the prefabricated slurry: and (3) conveying the pre-slurrying prepared in the step (S3) into the slurry pump 40 through the slurry inlet through the slurry outlet arranged on the side wall of the high-concentration stirring barrel 30, and conveying the pre-slurrying into filling equipment through the pre-slurry conveying pipeline 41 after the slurry pump 40 sets the pressure of 3MPa for pressurization treatment to finish the addition treatment of multi-micro-powder pre-slurrying.
Example 2
Example 2 differs from example 1 in that: the micro powder bin 10 and the micro powder scale 20 are different in number.
The embodiment of the utility model provides a prefabricated thick liquid conveying system 100 of many miropowders that adopts, including 3 miropowder storehouses 10, correspond and set up miropowder balance 20, high concentration agitator 30 and slush pump 40 in 3 miropowder storehouses 10 below.
The multi-micropowder precast slurry conveying system 100 is arranged independently and occupies a total floor area of 150 square meters. The length of the pre-pulping conveying pipeline 41 is 200m, and the pipe diameter of the pre-pulping conveying pipeline 41 is 80 mm.
Based on the conveying system 100, the addition process of the micro powder pre-slurry comprises the following steps:
s1, storing and discharging: cement powder, lime powder and additives are conveyed into 3 micro powder bins 10 which are independently arranged respectively through the pneumatic conveying through the ash blowing pipe 13 for storage; when the pre-pulping adding process is started, the electro-hydraulic gates 11 correspondingly arranged at the bottoms of the 3 micro-powder bins 10 are opened to discharge materials.
S2, accurate metering: inputting the powdery materials (cement powder, lime powder and additives) discharged in the step S1 into 3 micro powder scales 20 correspondingly arranged below the micro powder bin 10, and inputting the powdery materials into the spiral electronic scale 22 through the steady flow feeding device 21 to accurately measure the powdery materials; the steady flow feeding device 21 can stabilize the blanking flow of the powdery material, and the spiral electronic scale 22 can accurately measure and control the feeding amount of the micro powder.
S3, preparing pre-slurry: respectively conveying the powdery materials metered in the step S2 into the high-concentration stirring barrel 30 through the powdery material conveying device, and simultaneously supplying a predetermined amount of prepared water into the high-concentration stirring barrel 30 through the prepared water input pipe 31; after mixing the preparation water and the powdery material, uniformly stirring at a high speed by the high-concentration stirring barrel 30 to prepare uniform prefabricated slurry;
s4, conveying the prefabricated slurry: and (3) conveying the pre-slurrying prepared in the step (S3) into the slurry pump 40 through the slurry inlet through the slurry outlet arranged on the side wall of the high-concentration stirring barrel 30, setting the pressure of the slurry pump 40 at 4MPa for pressurization treatment, and conveying the pre-slurrying into filling equipment through the pre-slurry conveying pipeline 41 to finish the addition treatment of multi-micro-powder pre-slurrying.
It is noted that the skilled person will understand that the powdery material may also be, but not limited to, gypsum powder or other powdery filling material. The utility model provides a conveying system can increase the quantity that disposes miropowder storehouse and miropowder balance according to miropowder material kind quantity, consequently to the strong adaptability of miropowder kind quantity, can satisfy the interpolation requirement of multiple type of miropowder material.
It should be noted that, as will be understood by those skilled in the art, the micro-powder scale 22 may be replaced by a micro-powder scale + a screw conveyor or a rotor scale + a screw conveyor or a screw electronic scale or a screw conveyor, all of which can achieve the functions of feeding and metering. The high-concentration stirring tank 30 may be replaced with a stirring tank or a stirrer to prepare a pre-slurry uniformly. The mud pump 40 can also be replaced by a piston-type mud pump or a slurry pump or a underflow pump for pre-slurry delivery.
To sum up, the utility model provides a prefabricated thick liquid conveying system of many miropowders. The conveying system comprises a micro powder bin, a micro powder scale, a high-concentration stirring barrel and a slurry pump. Wherein, the micro-powder scale consists of a steady flow feeding device and a spiral electronic scale; the high-concentration stirring barrel is provided with a prepared water input pipeline; the slurry pump is provided with a pre-slurrying conveying pipeline. The system is independently arranged, the system framework is reasonable in design, the occupied area is small, the construction cost is low, the installation is simple, the position is not limited, and the centralized arrangement of facilities and equipment is facilitated. Meanwhile, the system has strong adaptability to micro powder types, and can meet the adding requirements of various micro powder materials; the conveying is simple and reliable, the conveying distance is flexible and controllable, the connection with the existing filling system is simple, and the influence on the existing filling system is small.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; these modifications and substitutions do not depart from the essence of the corresponding technical solutions of the embodiments of the present invention.
Claims (10)
1. The utility model provides a many miropowders are slurried conveying system in advance which characterized in that: the multi-micro-powder pre-pulping conveying system (100) comprises a plurality of micro-powder bins (10), micro-powder scales (20) correspondingly arranged below the micro-powder bins (10), a high-concentration stirring barrel (30) and a slurry pump (40);
a powdery material conveying device is arranged between the micro powder scale (20) and the high-concentration stirring barrel (30); a slurry discharging opening is formed in the side wall of the high-concentration stirring barrel (30), and a slurry inlet connected with the slurry discharging opening in a sealing mode is formed in one end of the slurry pump (40).
2. The multi-micropowder pre-slurry delivery system according to claim 1, characterized in that: the micro-powder scale (20) consists of a steady flow feeding device (21) and a spiral electronic scale (22).
3. The multi-micropowder pre-slurry delivery system according to claim 1, characterized in that: an electro-hydraulic gate (11) is arranged at the bottom of the micro-powder bin (10) and used for controlling the discharge of the powdery materials.
4. The multi-micropowder pre-slurry delivery system according to claim 1, characterized in that: the top of the micro powder bin (10) is provided with a dust remover (12) and a dust blowing pipe (13).
5. The multi-micropowder pre-slurry delivery system according to claim 1, characterized in that: the high-concentration stirring barrel (30) is of a vertical structure, a preparation water input pipeline (31) is arranged at the top of the high-concentration stirring barrel (30), and a plurality of layers of impellers are arranged in the high-concentration stirring barrel (30); when the high-concentration stirring barrel (30) is started, the impellers oppositely rotate at high speed, and the powdery material and the preparation water are uniformly stirred into pre-slurrying.
6. The multi-micropowder pre-slurry delivery system according to claim 5, characterized in that: the setting range of the pressurizing pressure of the slurry pump (40) is 0-16 MPa, and the other end of the slurry pump (40) is also provided with a pre-pulping conveying pipeline (41); after the slurry pump (40) is subjected to pressurization treatment at a preset pressurization pressure, the pre-slurrying slurry is conveyed to filling equipment through the pre-slurrying conveying pipeline (41) so as to meet different conveying distance and lift requirements.
7. The multi-micropowder pre-slurry delivery system according to claim 6, characterized in that: the filling equipment is one of a tailing buffer hopper of a filling station, a filling slurry preparation stirrer, a drilling blanking hopper and a filling drill hole.
8. The multi-micropowder pre-slurry delivery system according to claim 6, characterized in that: the multi-micro-powder pre-pulping conveying system (100) is arranged independently.
9. The multi-micropowder pre-slurry delivery system according to claim 6, characterized in that: the length of the pre-pulping conveying pipeline (41) is more than or equal to 3 m.
10. The multi-micropowder pre-pulping delivery system of claim 3, wherein: the powdery material is one or more of slag micro powder, cement powder, lime powder, gypsum powder and additives.
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| CN202021602678.4U CN212498316U (en) | 2020-08-04 | 2020-08-04 | Multi-micro-powder prefabricated slurry conveying system |
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