CN217042365U - Vehicle-mounted bulk cargo type multistage powder conveying and mixing device of goaf slurry filling system - Google Patents

Vehicle-mounted bulk cargo type multistage powder conveying and mixing device of goaf slurry filling system Download PDF

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CN217042365U
CN217042365U CN202220722287.9U CN202220722287U CN217042365U CN 217042365 U CN217042365 U CN 217042365U CN 202220722287 U CN202220722287 U CN 202220722287U CN 217042365 U CN217042365 U CN 217042365U
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mixing
powder
spiral
primary mixing
vertical
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赵文
何骞
李建文
王兵强
董大凯
李永华
张超
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China Coal Science And Industry Recycling Industry Research Institute Shandong Co ltd
China Coal Technology Industry Xinrong Technology Innovation Development Co ltd
China Coal Science And Technology Co ltd
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China Coal Science And Industry Recycling Industry Research Institute Shandong Co ltd
China Coal Technology Industry Xinrong Technology Innovation Development Co ltd
China Coal Science And Technology Co ltd
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Abstract

The utility model belongs to the technical field of the powder compounding of collecting space area slurrying in-process and carries technical field, especially collecting space area ground paste system fills multistage powder of on-vehicle bulk cargo formula defeated device that mixes of system, including chassis frame assembly a compounding conveying unit is installed on the right side of chassis frame assembly, compounding conveying unit's exit end links to each other with the slurrying equipment in low reaches install a pair of vertical section of thick bamboo feed bin mechanism on the installation front frame in compounding conveying unit's the upper reaches, two vertical section of thick bamboo feed bin mechanisms are in vertical state when using, are in the stable state of crouching down to one side under the system's walking state a ejection of compact just mixes mechanism is installed to the below of two vertical section of thick bamboo feed bin mechanisms, the end of ejection of compact just mixing mechanism by the left end center of compounding conveying unit extends its inside realization bulk cargo ejection of compact. The whole device is arranged on a vehicle-mounted goaf slurry filling system, so that pre-storage of powder and on-site reception of slag can be effectively realized, and the efficiency of loading, proportioning and mixing is improved.

Description

Vehicle-mounted bulk cargo type multistage powder conveying and mixing device of goaf slurry filling system
Technical Field
The utility model relates to a technical field is carried to the powder compounding of collecting space area slurrying in-process, in particular to vehicle-mounted collection storage that matches and fill the system and use on collecting space area ground paste system in multistage spiral powder compounding conveying equipment of an organic whole, especially collecting space area ground paste system fills the multistage powder of on-vehicle bulk cargo formula of system and defeated muddy device that mixes.
Background
With the continuous acceleration of the urbanization process of China, the production amount of the construction waste is increased day by day, and according to related data, the total production amount of the construction waste of China already accounts for more than 1/3 of the total amount of the urban waste. Most of the construction wastes are not treated at all, and are transported to the suburbs or the villages by construction units to be stacked or buried in the open air, so that a large amount of construction expenses such as land charge for collection, garbage clearing and transporting cost and the like are consumed, and meanwhile, the problems of scattering, dust, sand flying and the like in the clearing, transporting and stacking processes cause serious environmental pollution.
Based on the current situation of the existing construction waste, a lot of units and enterprises exist at present, the construction waste treated by slag, powder and the like is utilized to realize pulping and then is filled into some goafs, the most effective measure for goaf treatment at present is grouting filling, a large amount of construction waste, cement, gravel and other materials can be reused in the pulping process, and the problem of building waste accumulation is solved, and the problem of efficient goaf treatment is also solved effectively.
Before goaf filling, pulping treatment is needed, and before pulping, various pulping powder materials and slag materials are needed to be prepared, mixed and sent to pulping equipment for stirring and pulping.
Traditional powder, slag charge charging equipment can only carry out simple input to the slag charge powder usually, but the not enough circumstances of ground paste mixing appear very easily when carrying out the compounding slurrying after putting in.
In addition, the powder supply of most of the existing equipment needs to build a temporary powder discharge bin on the ground near the goaf in advance, but in most cases, the powder discharge bin is only used once during feeding, and is abandoned and left unused after the goaf is filled, so that the waste of resources is undoubtedly caused; meanwhile, the powder storage mode also has the problem of poor mobility.
Therefore, the utility model discloses the vehicular collection storage that matches and use on collecting space area ground paste system fills system in multistage spiral powder compounding conveying equipment of an organic whole has been improved to research and development here for solve the problem among the prior art better.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a solve one of above-mentioned technical problem, the technical scheme who adopts is: collecting space area ground paste system of filling system's multistage powder of on-vehicle bulk cargo formula is defeated mixes device, including chassis frame assembly a compounding conveying unit is installed on chassis frame assembly's right side, compounding conveying unit's exit end links to each other with the slurrying equipment in low reaches install a pair of vertical silo mechanism on the installation front frame in compounding conveying unit's the upper reaches, two vertical silo mechanisms are in vertical state when using, are in the stable state of crouching the upside down under the system's walking state a ejection of compact preliminary mixing mechanism is installed to two vertical silo mechanism's below, the ejection of compact preliminary mixing mechanism's end by the left end center of compounding conveying unit extends its inside realization bulk cargo ejection of compact.
In any of the above schemes, preferably, the mixing and conveying unit includes an inclined material barrel fixedly installed at the top of the middle section of the chassis frame assembly, the upstream of the inclined material barrel is arranged in a downward inclined manner, the downstream of the inclined material barrel is arranged in an upward inclined manner, the top of the upstream of the inclined material barrel is provided with a slag material inlet, the bottom of the downstream of the inclined material barrel is provided with a mixing and discharging port, the slag material inlet is used for receiving slag materials from the outside, and the mixing and discharging port is used for conveying the mixed materials to downstream pulping equipment;
the inside mounting of slope feed cylinder has integration auger delivery stirring vane, the mounting hole that corresponds the tip is worn out in the activity of the spiral center pin on the both ends of integration auger delivery stirring vane the end cover department of the low reaches end of slope feed cylinder installs a low-speed big moment of torsion hydraulic motor, low-speed big moment of torsion hydraulic motor is used for driving the rotation of spiral center pin, low-speed big moment of torsion hydraulic motor cooperatees with the hydraulic system on the collecting space area ground paste system of filling of outside.
In any of the above schemes, preferably, the double-vertical-cylinder silo mechanism comprises two mutually independent vertical storage tanks which are symmetrically arranged in a butting manner, the interiors of the two vertical storage tanks are respectively used for containing fly ash raw materials and cement raw materials, the bottoms of the front sides of the two vertical storage tanks are stably supported on the top of the edge of the mounting front frame, the bottom of the rear side of each vertical material storage tank is movably hinged on a stable lug seat fixed on the top of the chassis frame assembly, a positioning and falling oil cylinder is arranged at the rear side of each stabilizing lug seat, the top of a piston rod of each positioning and falling oil cylinder is movably hinged on the rear side welding vertical frame of the corresponding vertical storage tank, the bottom of the cylinder body of the positioning and falling oil cylinder is movably hinged on an ear seat at the top of the chassis frame assembly, the outer side of the vertical material storage tank is abutted against the top of the corresponding front mounting frame through a supporting vertical seat welded at the bottom of the vertical material storage tank;
the bottom of the vertical storage tank is provided with an inverted cone discharging part, a discharging port at the bottom of the inverted cone discharging part is respectively matched with a feeding port of the discharging primary mixing mechanism fixedly arranged below the inverted cone discharging part, and an impeller discharging machine is arranged on a discharging port at the bottom of the inverted cone discharging part;
in any of the above schemes, preferably, a pulse dust collector and a pressure relief port with a built-in pressure relief valve are respectively arranged at the top ends of the two vertical material storage tanks.
Preferably in any of the above schemes, the discharge primary mixing mechanism includes two fine screw feeders respectively disposed on the chassis frame assembly below the corresponding vertical storage tank, the feed inlets of the two fine screw feeders are respectively matched with the discharge outlets at the bottom of the inverted cone discharge part above the feed inlets, a primary mixing short-axis screw mixer is disposed below the discharge outlets of the two fine screw feeders, and the right end of the primary mixing short-axis screw mixer extends into the right end of the inclined charging barrel of the mixing and conveying unit and discharges bulk materials in the inclined charging barrel.
In any of the above schemes, preferably, the downstream rear end of the spiral primary mixing shaft in the primary mixing short shaft spiral mixer with the spiral primary mixing blade movably passes through the through hole on the end cover of the upstream front end of the inclined charging barrel, the shaft end of the spiral primary mixing blade passing through the inclined charging barrel is movably inserted into the central hole on the front end face of the spiral central shaft at the corresponding position, a horizontally arranged expanding blanking barrel is fixedly connected with the front end face of the spiral central shaft in an integrated manner, the expanding blanking barrel is sleeved on the outer side wall of the rear section of the spiral primary mixing blade, a plurality of powder primary mixing powder falling long openings are uniformly arranged on the outer side wall of the front section of the expanding powder falling cylinder at intervals along the circumference of the outer side wall, powder conveyed from the inside of the primary mixing short-shaft spiral stirrer in proportion is scattered in the inner cavity of the inclined charging barrel through the primary powder mixing and falling long openings;
the primary mixing short shaft spiral stirrer is provided with a primary mixing driving hydraulic motor, and the primary mixing driving hydraulic motor is arranged on a machine shell on the right side of the primary mixing short shaft spiral stirrer and is used for driving the spiral primary mixing shaft to rotate.
In any of the above aspects, it is preferable that there is relative rotation between the helical preliminary mixing shaft inside the preliminary mixing short-axis helical mixer and the helical central shaft inside the inclined barrel of the mix delivery unit.
The mixing and conveying unit enables grouting materials such as cement, fly ash and recycled aggregate to be conveyed to next-stage pulping equipment through the mixing and conveying unit, and meanwhile, the mixing and conveying unit synchronously stirs and dry mixes various grouting solid materials (including powder and slag) fully again in the process of conveying the materials;
the grouting solid material which is stirred and mixed for a plurality of times in advance can be mixed with a certain proportion of water in downstream pulping equipment for pulping, and the solid-liquid mixed material raw material which is mixed for a plurality of times in the early stage can ensure the efficiency and quality of subsequent pulping.
In any of the above schemes, preferably, the discharge ports of the two fine feeders are matched with the feeding mixing hopper of the primary mixing short-shaft spiral mixer, and the fine feeders control the conveying amount of the materials in the fine feeders to the feeding mixing hopper through the running speed of the fine feeders.
The preferred is in above-mentioned arbitrary scheme, be provided with the powder material charge mouth of taking the filter screen in each vertical storage tank's bottom, powder material charge mouth passes through the end cover shutoff when idle.
In any of the above schemes, preferably, a powder vibrating motor is installed on the outer side wall of the lower portion of each vertical material storage tank, and the powder vibrating motor is used for realizing auxiliary blanking through vibration.
In any of the above schemes, preferably, the powder filling port is a circular pipe with a diameter of 110mm, the inner end of the circular pipe is arranged in the storage tank, and the required powder material is input into the corresponding vertical storage tank through the tank car by the pressure of the powder filling port.
In any of the above schemes, it is preferred that the vertical storage tank can store cement, fly ash, novel powdery material, and when vertical storage tank internal pressure was too big, the relief valve automated inspection pressure bounced the relief pressure.
Compared with the prior art, the beneficial effects of the utility model are as follows:
1. this device adopts the prestore use that material loading storage mixing unit realized the powder, cooperates the scene of slag charge to empty the pay-off simultaneously, and this kind of mode can realize two kinds of powder accurate feeds of prestoring in the initial stage and just mix after, then cooperates the compounding to carry the unit to scatter into the ground paste batching unit with the mode of bulk cargo again under the effect of ejection of compact just mixing mechanism inside, guarantees the sufficiency of compounding, improves the powder mixing quality.
2. The whole device is installed on a vehicle-mounted goaf slurry filling system, the whole flexibility is high, pre-storage of powder and on-site reception of slag charge can be effectively realized, and the loading, batching and mixing efficiency is improved.
3. The double-vertical-barrel bin mechanism is in a vertical state when in use, is in a stable state of being laid down obliquely under a system walking state, and can ensure the stability of conveying and the smoothness of discharging when in use.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below. Throughout the drawings, like elements or components are generally identified by like reference numerals. In the drawings, elements or components are not necessarily drawn to scale.
Fig. 1 is a schematic view of the structure of the present invention.
Fig. 2 is a schematic view of the local overlooking structure of the present invention.
Fig. 3 is a schematic view of the local bottom view structure of the present invention.
Fig. 4 is a schematic view of the local right-side view structure of the present invention.
Fig. 5 is a schematic view of a first partial three-dimensional structure according to the present invention.
Fig. 6 is a schematic view of the local internal amplification structure of the present invention.
Fig. 7 is a schematic diagram of a second partial three-dimensional structure of the present invention.
Fig. 8 is an internal structure schematic diagram of the mixing and conveying unit of the present invention.
Fig. 9 is a schematic view of a local top view structure of the mixing and conveying unit of the present invention.
In the figure, B, a mixing and conveying unit; 14. tilting the barrel; 17. an integrated spiral conveying stirring blade; 18. a helical central shaft; 49. installing a front frame; 50. a vertical material storage tank; 51. stabilizing the ear mount; 52. positioning and laying down the oil cylinder; 53. welding a vertical frame at the rear side; 54. a support stand; 55. an inverted cone discharging part; 56. a fine screw feeder; 57. an impeller discharging machine; 58. a primary mixing short shaft spiral stirrer; 59. a feeding and mixing hopper; 60. a powder material charging port; 61. a powder vibrating motor; 62. a pulse dust collector; 63. a pressure relief port; 64. a helical primary mixing shaft; 65. a helical primary mixing blade; 66. expanding the charging barrel; 67. the powder is primarily mixed and dropped for a long time; 68. the hydraulic motor is driven by the primary mixing; 78. a low-speed high-torque hydraulic motor; 79. chassis frame assembly.
Detailed Description
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby. The specific structure of the utility model is shown in figures 1-9.
Example (b):
collecting space area ground paste system of filling system's multistage powder of on-vehicle bulk cargo formula is defeated mixes device, including chassis frame assembly 79 a compounding conveying unit B is installed on chassis frame assembly 79's right side, compounding conveying unit B's exit end links to each other with the pulping equipment in low reaches install a pair of vertical section of thick bamboo feed bin mechanism on the installation front frame 49 on compounding conveying unit B's the upper reaches, two vertical section of thick bamboo feed bin mechanisms are in vertical state when using, are in the stable state that crouches to one side and put down under system's walking state a ejection of compact just mixes mechanism is installed to two vertical section of thick bamboo feed bin mechanism's below, the end of ejection of compact just mix mechanism by compounding conveying unit B's left end center extends its inside realization bulk cargo ejection of compact.
This gob building solid material regeneration filling material system wholly adopts material loading storage mixing unit to realize the prestoring use of powder, the pay-off is emptyd in the scene of cooperation slag charge simultaneously, this kind of mode can realize two kinds of powder accuracy feeds of prestoring in the initial stage and carry out just mixing, then cooperate compounding conveying unit B to scatter into the inside of thick liquids batching unit with the mode of bulk cargo again under the effect of ejection of compact just mixing mechanism, the slag charge of carrying according to proportion weight simultaneously can fall and realize remixing with the powder after just mixing by the feed inlet that enters into compounding conveying unit B, the solid powder after the mixing realizes the spiral of solid powder through compounding conveying unit B and mixes more, finally the solid powder through intensive mixing can enter into slurrying equipment and stir with the liquid water that gets into slurrying equipment in step, form the thick liquids that accord with the requirement.
In any of the above schemes, preferably, the mixing and conveying unit B includes an inclined charging barrel 14 fixedly installed at the top of the middle section of the chassis frame assembly 79, the upstream of the inclined charging barrel 14 is arranged to be inclined downward, and the downstream of the inclined charging barrel 14 is arranged to be inclined upward, the upstream top of the inclined charging barrel 14 is provided with a slag charge port, the downstream bottom of the inclined charging barrel 14 is provided with a mixing and discharging port, the slag charge port is used for receiving slag charge from the outside, and the mixing and discharging port is used for conveying the mixed material to downstream pulping equipment;
an integrated spiral conveying stirring blade 17 is installed inside the inclined charging barrel 14, two ends of the integrated spiral conveying stirring blade 17 movably penetrate through installation holes of corresponding ends through a spiral center shaft 18 on the integrated spiral conveying stirring blade, a low-speed large-torque hydraulic motor 78 is installed at an end cover of the downstream end of the inclined charging barrel 14, the low-speed large-torque hydraulic motor 78 is used for driving the spiral center shaft 18 to rotate, and the low-speed large-torque hydraulic motor 78 is matched with a hydraulic system on an external goaf slurry filling system.
The mixing and conveying unit B receives slag from the upstream and two kinds of powder subjected to primary mixing from the upstream, and the two kinds of powder are quickly conveyed to the downstream by the integrated spiral conveying stirring blade 17 in the inclined charging barrel 14, so that solid powder is fully mixed and enters a pulping process.
The low-speed large-torque hydraulic motor 78 is driven by a hydraulic system, so that the silence and the stability of the whole operation can be better ensured, and the solid material conveying smoothness is ensured.
Preferably in any of the above schemes, the double-vertical-barrel bin mechanism includes two mutually independent vertical storage tanks 50 and two vertical storage tanks 50 symmetrically arranged in butt joint mode, the inside of each vertical storage tank 50 is used for containing fly ash raw materials and cement raw materials respectively, the front side bottom stable support of each vertical storage tank 50 is arranged at the top of the edge of the installation front frame 49, the rear side bottom of each vertical storage tank 50 is movably hinged to the fixed stabilizing lug seat 51 at the top of the chassis frame assembly 79, the rear side of each stabilizing lug seat 51 is provided with a positioning and falling oil cylinder 52, the top of the piston rod of the positioning and falling oil cylinder 52 is movably hinged to the corresponding rear side welding vertical frame 53 of the vertical storage tank 50, the bottom of the cylinder body of the positioning and falling oil cylinder 52 is movably hinged to the lug seat at the top of the chassis frame assembly 79, the outer side of each vertical storage tank 50 abuts against the corresponding top of the installation front frame 49 through the supporting vertical seat 54 welded at the bottom of the vertical tank 50 And (c) a section.
The double-vertical-cylinder bin mechanism is in a vertical state when in use and in a stable state of being laid obliquely and placed upside down when in a system walking state, and can ensure the stability of conveying and the smoothness of discharging when in use.
The bottom setting of vertical storage tank 50 is back taper portion of unloading 55, the discharge gate of back taper portion of unloading 55 bottom sets up rather than the below is fixed respectively the ejection of compact is mixed the feed inlet of mechanism just cooperate install an impeller ejection of compact machine 57 on the discharge gate of back taper portion of unloading 55 bottom. The impeller discharger 57 can be matched with a load-bearing sensor to realize accurate downward discharge.
The double-vertical-cylinder bin mechanism can be controlled to be in an inclined transportation state or a vertical working state after being lifted through a hydraulic system in the prior art configured by the system, when the system needs to advance, the vertical storage tank 50 is placed obliquely in an inverted mode through system operation, the advancing stability is improved, and when the system is in normal production, the vertical storage tank 50 can be adjusted to be in an upright state.
The shaking can be reduced when the whole system is driven by inverting and inclining, and the stability in the transportation process is ensured; when the device needs to work, the upright state can better ensure the discharging fluency.
Above-mentioned vertical storage tank 50, unloading volume accessible two kinds of modes complementary control:
mode 1: the feeding amount of the fine screw feeder 56 is controlled by the control system in advance, and the total feeding amount is obtained by multiplying the feeding amount per second by the corresponding time;
the mode 2 is that the weighing sensors arranged on two supporting legs at the bottom of the vertical storage tank 50 display in real time, the weight displayed by the sensors is the total weight of each vertical storage tank 50 and the attached equipment, the total weight is reduced every time of blanking, and the reduction amount is the blanking amount; when the accurate blanking is controlled, the two modes are used for complementation and correction, the blanking accuracy is improved, and meanwhile, the accuracy of slurry proportioning provided by subsequent pulping is ensured.
In any of the above embodiments, preferably, a pulse dust collector 62 and a pressure relief port 63 with a built-in pressure relief valve are respectively provided at the top ends of the two vertical material storage tanks 50.
Vertical storage tank 50 can store cement, fly ash, novel powdery material, and when vertical storage tank 50 internal pressure was too big, the relief valve automated inspection pressure bounced release pressure.
In any of the above schemes, preferably, the discharging primary mixing mechanism includes two fine screw feeders 56 respectively disposed on the chassis frame assembly 79 below the corresponding vertical material storage tank 50, feed inlets of the two fine screw feeders 56 are respectively matched with a discharge outlet at the bottom of the inverted cone discharging part 55 above the feed inlets, a primary mixing short-axis screw mixer 58 is disposed below the discharge outlets of the two fine screw feeders 56, and a right end of the primary mixing short-axis screw mixer 58 extends into a right end of the inclined charging barrel 14 of the mixing material conveying unit B and discharges bulk materials inside the inclined charging barrel 14.
In any of the above embodiments, it is preferable that the downstream rear end of the spiral primary mixing shaft 64 in the primary mixing short-shaft spiral mixer 58 with the spiral primary mixing blade 65 movably passes through the through hole in the end cover at the upstream front end of the inclined cylinder 14, the shaft end of the spiral primary mixing blade 65 passed through the inclined cylinder 14 is movably inserted into the center hole in the front end face of the spiral center shaft 18 at the corresponding position, a horizontally arranged expanding charging barrel 66 is fixedly connected with the front end face of the spiral central shaft 18, the diameter-expanding charging barrel 66 is sleeved on the outer side wall of the rear section of the spiral primary mixing blade 65, a plurality of powder primary mixing and dropping long openings 67 are uniformly arranged on the outer side wall of the front section of the diameter-expanding dropping cylinder 66 at intervals along the circumference thereof, the proportional primary mixed powder conveyed from the inside of the primary mixing short-axis screw mixer 58 is scattered in the inner cavity of the inclined charging barrel 14 in turn through each powder primary mixing powder dropping nozzle 67.
The spiral primary mixing shaft 64 and the spiral primary mixing blade 65 in the primary mixing short-shaft spiral mixer 58 are rotated to convey two kinds of powder materials which are primarily mixed inside, and simultaneously, the two kinds of powder materials are conveyed downstream, and when the powder materials reach the tail end, the powder materials extend into the inner cavity of the inclined charging barrel 14 to be conveyed, and because the diameter-expanding falling charging barrel 66 at the end part of the integrated spiral conveying stirring blade 17 and the spiral primary mixing shaft 64 rotate relatively, each powder material primary mixing falling powder long opening 67 on the diameter-expanding falling charging barrel 66 rotates relatively with the spiral primary mixing shaft 64 and the spiral primary mixing blade 65, finally, the powder materials are scattered into the inner cavity of the inclined charging barrel 14 by each powder material primary mixing falling powder long opening 67, and simultaneously, slag materials from the feeding opening of the inclined charging barrel 14 also fall into the inner part, and the fallen slag materials are fed and mixed with the mixed powder materials scattered in a rotating state in the falling process, finally, the spiral mixing is achieved by continuously rotating and conveying the spiral primary mixing shaft 64 and the spiral primary mixing blade 65.
The solid powder materials are scattered into the slurry proportioning unit in a bulk material mode, meanwhile, the slag materials conveyed according to the weight proportion fall from a feeding hole of the mixing conveying unit B and are mixed with the primarily mixed powder materials again, the mixed solid powder materials are spirally mixed through the mixing conveying unit B, finally, the fully mixed solid powder materials enter the slurry proportioning unit and are subjected to double-shaft stirring with synchronously entering liquid water and the like to form slurry meeting the requirements; when solid powder, slag, liquid water and various auxiliary materials are put in, the control system controls the whole proportion so as to achieve the aim of accurately controlling the specific gravity of the slurry.
A primary mixing hydraulic motor 68 is disposed on the primary mixing short-shaft screw mixer 58, and the primary mixing hydraulic motor 68 is attached to a right-hand casing of the primary mixing short-shaft screw mixer 58 and drives the rotation of the screw primary mixing shaft 64.
The mixing and conveying unit B enables grouting materials such as cement, fly ash and recycled aggregate to be conveyed to next-stage pulping equipment through the mixing and conveying unit B, and meanwhile, the mixing and conveying unit B synchronously and fully stirs and dry mixes various grouting solid materials again in the material conveying process;
the grouting solid material after being stirred and mixed for many times in advance is mixed with a certain proportion of water in downstream pulping equipment, and the material raw material after solid-liquid mixing is stirred again to form non-Newtonian fluid slurry or paste with different concentrations.
In any of the above embodiments, it is preferred that there is relative rotation between the helical primary mixing shaft 64 inside the primary mixing short axis helical agitator 58 and the helical central shaft 18 inside the inclined barrel 14 of the compounding conveyor unit B.
The mixing and conveying unit B enables grouting materials such as cement, fly ash and recycled aggregate to be conveyed to the next-stage pulping equipment through the mixing and conveying unit B, and meanwhile, the mixing and conveying unit B synchronously and fully stirs and mixes various grouting solid materials (including powder and slag) again in the material conveying process;
the grouting solid material which is stirred and mixed for a plurality of times in advance can be mixed with a certain proportion of water in downstream pulping equipment for pulping, and the solid-liquid mixed material raw material which is mixed for a plurality of times in the early stage can ensure the efficiency and quality of subsequent pulping.
In any of the above embodiments, the outlets of the fine feeders are both matched with the feeding mixing hopper 59 of the primary mixing short-shaft screw mixer 58, and the fine feeders control the conveying amount of the materials in the fine feeders to the feeding mixing hopper 59 through the running speed of the fine feeders.
In any of the above schemes, preferably, a powder charging port 60 with a filter screen is arranged at the bottom of each vertical storage tank 50, and the powder charging port 60 is blocked by an end cover when the vertical storage tank is idle.
The powder material charging port 60 is a circular pipe with the diameter of 110mm, the inner end of the circular pipe is arranged in the material storage tank, and required powder materials are input into the corresponding vertical material storage tank 50 through the powder material charging port 60 by the tank truck under pressure.
In any of the above schemes, preferably, a powder vibrating motor 61 is installed on the outer side wall of the lower portion of each vertical storage tank 50, and the powder vibrating motor 61 is used for realizing auxiliary blanking through vibration.
In any of the above schemes, it is preferable that the vertical storage tank 50 can store cement, fly ash, and novel powdery material, and when the internal pressure of the vertical storage tank 50 is too high, the pressure relief valve automatically detects the pressure and bounces to release the pressure.
Wholly adopt the powder to store the prestore use that the mechanism realized the powder, the pay-off is emptyd in the scene of cooperation slag charge simultaneously, this kind of mode can realize two kinds of powder accurate feeds of prestoring in the initial stage and just mix after, then send into the conveying equipment of low reaches and continue to mix the transport, the slag charge of carrying according to proportion weight simultaneously also can fall and realize mixing once more with the powder after just mixing by the feed inlet that enters into the conveying equipment of low reaches, the solid powder through intensive mixing finally can enter into pulping equipment, guarantee later stage pulping effect.
The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; 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; such modifications and substitutions do not substantially depart from the scope of the embodiments of the present invention, and are intended to be covered by the claims and the specification; to those skilled in the art, any alternative improvements or changes made to the embodiments of the present invention are all within the scope of the present invention.
The parts of the present invention not described in detail are known to those skilled in the art.

Claims (8)

1. Collecting space area ground paste system of filling's on-vehicle bulk cargo formula multistage powder is defeated thoughtlessly to be put, including chassis frame assembly, its characterized in that: a compounding conveying unit is installed on chassis frame assembly's right side, compounding conveying unit's exit end links to each other with the pulping equipment in low reaches install a pair of vertical section of thick bamboo feed bin mechanism on the installation front frame in compounding conveying unit's the upper reaches, two vertical section of thick bamboo feed bin mechanisms are in vertical state when using, are in the stable state of crouching the upside down to one side under the system's walking state a ejection of compact just mixes mechanism is installed to two vertical section of thick bamboo feed bin mechanism's below, the ejection of compact just mix the end of mechanism by compounding conveying unit's left end center extends its inside bulk cargo ejection of compact of realizing.
2. The vehicle-mounted bulk type multistage powder conveying and mixing device of the goaf slurry filling system according to claim 1, characterized in that: the material mixing and conveying unit comprises an inclined charging barrel fixedly mounted at the top of the middle section of the chassis frame assembly, the upstream of the inclined charging barrel is arranged in a downward inclined mode, the downstream of the inclined charging barrel is arranged in an upward inclined mode, a slag material feeding hole is formed in the top of the upstream of the inclined charging barrel, a material mixing and discharging hole is formed in the bottom of the downstream of the inclined charging barrel, the slag material feeding hole is used for receiving external slag materials, and the material mixing and discharging hole is used for conveying the mixed materials to downstream pulping equipment;
the inside of slope feed cylinder is installed integration auger delivery stirring vane, the mounting hole that corresponds the tip is worn out in the spiral center pin activity on the integration auger delivery stirring vane's both ends through it low-speed big moment of torsion hydraulic motor is installed to the end cover department of the low reaches end of slope feed cylinder, low-speed big moment of torsion hydraulic motor is used for driving the rotation of spiral center pin, low-speed big moment of torsion hydraulic motor cooperatees with the hydraulic system on the collecting space area ground paste system of filling of outside.
3. The vehicle-mounted bulk type multistage powder conveying and mixing device of the goaf slurry filling system according to claim 2, characterized in that: the double-vertical-cylinder bin mechanism comprises two vertical storage tanks which are mutually independent and are symmetrically arranged in an abutting mode, the interiors of the two vertical storage tanks are respectively used for containing fly ash raw materials and cement raw materials, the bottoms of the front sides of the two vertical storage tanks are stably supported on the top of the edge of the front frame, the bottom of the rear side of each vertical material storage tank is movably hinged on a stable lug seat fixed on the top of the chassis frame assembly, a positioning and laying-down oil cylinder is arranged at the rear side of each stabilizing lug seat, the top of a piston rod of each positioning and laying-down oil cylinder is movably hinged on the corresponding welding stand frame at the rear side of the vertical storage tank, the bottom of the cylinder body of the positioning and laying-down oil cylinder is movably hinged on an ear seat at the top of the chassis frame assembly, the outer side of the vertical material storage tank is abutted against the top of the corresponding front mounting frame through a supporting vertical seat welded at the bottom of the vertical material storage tank;
the bottom of the vertical storage tank is provided with an inverted cone discharging part, a discharging port at the bottom of the inverted cone discharging part is respectively matched with a feeding port of the discharging primary mixing mechanism fixedly arranged below the inverted cone discharging part, and an impeller discharging machine is arranged on a discharging port at the bottom of the inverted cone discharging part;
and the top ends of the two vertical material storage tanks are respectively provided with a pulse dust collector and a pressure relief port internally provided with a pressure relief valve.
4. The vehicle-mounted bulk type multistage powder conveying and mixing device of the goaf slurry filling system according to claim 3, characterized in that: the discharging primary mixing mechanism comprises two fine screw feeders which are arranged on a chassis frame assembly below the vertical storage tank and correspond to each other, wherein a feeding port of each fine screw feeder is matched with a discharging port at the bottom of the inverted cone discharging part above the fine screw feeder, a primary mixing short-shaft screw mixer is arranged below a discharging port of each fine screw feeder, and the right end of the primary mixing short-shaft screw mixer extends to the inside of the right end of the inclined charging barrel of the mixing conveying unit and realizes discharging bulk materials in the inside of the inclined charging barrel.
5. The vehicle-mounted bulk type multistage powder conveying and mixing device of the goaf slurry filling system according to claim 4, characterized in that: the rear end of the downstream of a spiral primary mixing shaft in the primary mixing short shaft spiral mixer is connected with a spiral primary mixing blade on the downstream of the spiral primary mixing shaft to movably penetrate through a through hole on an end cover at the front end of the upstream of the inclined charging barrel, the shaft end of the spiral primary mixing blade penetrating into the inclined charging barrel is movably inserted into a central hole on the front end face of the spiral central shaft at a corresponding position, a horizontally arranged expanding blanking barrel is integrally and fixedly connected to the front end face of the spiral central shaft, the expanding blanking barrel is sleeved on the outer side wall of the rear section of the spiral primary mixing blade, a plurality of powder primary mixing powder falling long openings are uniformly arranged on the outer side wall of the front section of the expanding blanking barrel at intervals along the circumference of the expanding blanking barrel, and powder which is conveyed from the primary mixing short shaft spiral mixer in proportion is sequentially scattered in an inner cavity of the inclined charging barrel through the powder primary mixing long openings;
the primary mixing short shaft spiral stirrer is provided with a primary mixing driving hydraulic motor, and the primary mixing driving hydraulic motor is arranged on a machine shell on the right side of the primary mixing short shaft spiral stirrer and is used for driving the spiral primary mixing shaft to rotate.
6. The vehicle-mounted bulk type multistage powder conveying and mixing device of the goaf slurry filling system according to claim 5, characterized in that: the spiral primary mixing shaft in the primary mixing short shaft spiral stirrer and the spiral central shaft in the inclined charging barrel of the mixing and conveying unit rotate relatively.
7. The vehicle-mounted bulk type multistage powder conveying and mixing device of the goaf slurry filling system according to claim 6, characterized in that: the discharge ports of the two fine feeders are matched with the feeding and mixing hopper of the primary mixing short-shaft spiral stirrer, and the fine feeders control the conveying amount of the materials in the fine feeders to the feeding and mixing hopper through the running speed of the fine feeders.
8. The vehicle-mounted bulk type multistage powder conveying and mixing device of the goaf slurry filling system according to claim 7, characterized in that: a powder charging port with a filter screen is arranged at the bottom of each vertical storage tank, and the powder charging port is plugged by an end cover when the vertical storage tanks are idle;
and a powder vibration motor is arranged on the outer side wall of the lower part of each vertical storage tank and used for realizing auxiliary blanking through vibration.
CN202220722287.9U 2022-03-28 2022-03-28 Vehicle-mounted bulk cargo type multistage powder conveying and mixing device of goaf slurry filling system Active CN217042365U (en)

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CN202220722287.9U CN217042365U (en) 2022-03-28 2022-03-28 Vehicle-mounted bulk cargo type multistage powder conveying and mixing device of goaf slurry filling system

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Application Number Priority Date Filing Date Title
CN202220722287.9U CN217042365U (en) 2022-03-28 2022-03-28 Vehicle-mounted bulk cargo type multistage powder conveying and mixing device of goaf slurry filling system

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CN217042365U true CN217042365U (en) 2022-07-26

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