CN118305901A - Premixed and crushed backfill production device and production method - Google Patents
Premixed and crushed backfill production device and production method Download PDFInfo
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- CN118305901A CN118305901A CN202410613684.6A CN202410613684A CN118305901A CN 118305901 A CN118305901 A CN 118305901A CN 202410613684 A CN202410613684 A CN 202410613684A CN 118305901 A CN118305901 A CN 118305901A
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 47
- 238000003860 storage Methods 0.000 claims abstract description 100
- 238000003756 stirring Methods 0.000 claims abstract description 86
- 238000005303 weighing Methods 0.000 claims abstract description 76
- 239000000654 additive Substances 0.000 claims abstract description 27
- 239000002893 slag Substances 0.000 claims abstract description 18
- 239000007787 solid Substances 0.000 claims abstract description 13
- 238000002156 mixing Methods 0.000 claims abstract description 8
- 230000009194 climbing Effects 0.000 claims description 33
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 28
- 239000002689 soil Substances 0.000 claims description 16
- 230000000996 additive effect Effects 0.000 claims description 15
- 239000003795 chemical substances by application Substances 0.000 claims description 14
- 239000002245 particle Substances 0.000 claims description 10
- 238000000034 method Methods 0.000 claims description 6
- 239000004568 cement Substances 0.000 claims description 3
- 239000010883 coal ash Substances 0.000 claims description 3
- 239000004576 sand Substances 0.000 claims description 3
- 238000009825 accumulation Methods 0.000 claims description 2
- UHZZMRAGKVHANO-UHFFFAOYSA-M chlormequat chloride Chemical compound [Cl-].C[N+](C)(C)CCCl UHZZMRAGKVHANO-UHFFFAOYSA-M 0.000 claims 2
- 239000004575 stone Substances 0.000 abstract description 9
- 238000010276 construction Methods 0.000 description 9
- 230000035699 permeability Effects 0.000 description 5
- 239000000428 dust Substances 0.000 description 4
- 238000012986 modification Methods 0.000 description 4
- 230000004048 modification Effects 0.000 description 4
- 238000012216 screening Methods 0.000 description 4
- 238000003912 environmental pollution Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000005086 pumping Methods 0.000 description 3
- 239000002910 solid waste Substances 0.000 description 3
- 230000004075 alteration Effects 0.000 description 2
- 239000004927 clay Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000000227 grinding Methods 0.000 description 2
- 238000010298 pulverizing process Methods 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000005056 compaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000007781 pre-processing Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- Preparation Of Clay, And Manufacture Of Mixtures Containing Clay Or Cement (AREA)
Abstract
The invention provides a pre-stirring and crushing backfill production device and a production method, which relate to the technical field of earth and stone backfill production and comprise a pretreatment module, wherein the pretreatment module is communicated with a crushing module, the crushing module is used for crushing large-particle-size solids in slag, the crushing module is communicated with a weighing module, the weighing module is communicated with a stirring module, the stirring module is respectively communicated with a first storage module, a second storage module and a third storage module, the crushed slag and additives weighed according to a preset proportion are conveyed to the stirring module, and the stirring module is used for stirring and mixing the crushed slag and the additives according to a preset stirring program.
Description
Technical Field
The invention relates to the technical field of production of backfill of earthwork, in particular to a premixed and crushed backfill production device and a production method.
Background
In the construction of underground facilities on the earth surface such as mines, traffic, constructional engineering and the like, gaps are often reserved between the periphery of underground structures, foundation pits, ditches and the like and stratum, and the upper covering space of a top plate of the underground structures is backfilled, if effective treatment is not carried out, disasters such as collapse, structural deformation or inclination, water leakage and the like are often caused, the settlement is too large, even the safe service of the ground structures is influenced, and the backfilling of earth and stone is a high cost performance method for reinforcing the gaps and plugging the underground water.
Compared with the earth and stone backfill production device, the premixed and crushed backfill production device has the advantages of no tamping, self-leveling, self-compaction, no dust pollution and the like. The existing earth and stone backfilling process directly pours slag soil to tamp and backfill layer by layer, and the layer tamping construction efficiency is low; the special-shaped structure part with more narrow construction space or complex structure can not be tamped, the tamping quality is difficult to ensure, and more backfill soil in actual engineering is not up to standard, so that secondary disasters (collapse, uneven sedimentation, water leakage and the like) are easy to occur; the permeability resistance of the earth and stone backfill is preferably clay, the permeability resistance coefficient is generally of the order of 10-6cm/s, the clay belongs to scarce resources, the actual engineering backfill is carried out by using a plurality of site materials, the permeability resistance coefficient is of the order of 10 < -4 > -10 < -3 > cm/s, and if gravel, stone blocks, construction waste and the like are contained, the permeability resistance coefficient is larger, and the permeability resistance is poorer; dust pollution is easy to generate in the process of transporting and backfilling the earth and stone side backfilling dregs, and the urban dust control index is difficult to reach the standard. Compared with earth and stone backfill, the invention can improve the construction efficiency, simplify the backfill step, and solve the problems of narrow backfill position or special-shaped, secondary disasters, water leakage disasters, dust pollution and the like.
The existing pre-mixed backfill production device has the problems that the existing pre-mixed backfill production device cannot be screened when the moisture content of the dregs is too high, the dregs are required to be aired before screening and used, so that a rain shed or a rain cloth is required to be additionally built for covering during use in rainy seasons, extra workload is increased, the strength and the performance of the product are poor, the grain size control of large-particle solids in the broken dregs is not strict, the screening can be carried out through flaky solids, subsequent pump blockage is caused, a large amount of solid waste which cannot be utilized is produced in a screening mode, and environmental pollution is caused.
Disclosure of Invention
In order to solve the technical problems, the invention provides a premixed and crushed backfill production device and a production method, and the device has the advantages of high production efficiency, strong applicability, high product quality, easiness in pumping, high utilization rate of dregs and the like, solves the problem that the water content is too high and can not be screened, improves the aggregate gradation, improves the strength performance of the product, greatly reduces the risk of blocking the pump, has no solid waste disposal problem, is environment-friendly, and reduces environmental pollution.
According to a first aspect of the invention, a premixed crushing backfill soil production device is provided, the device comprises a pretreatment module, the pretreatment module is used for carrying out pretreatment on slag soil, a crushing module is communicated with the pretreatment module and is used for crushing large-particle-size solids in the slag soil, a weighing module is communicated with the crushing module and is communicated with the weighing module, a stirring module is communicated with the weighing module and is respectively communicated with a first storage module, a second storage module and a third storage module, the weighing module is used for weighing crushed slag soil of one or more weight units according to a preset proportion and conveying the crushed slag soil to the stirring module, the first storage module, the second storage module and the third storage module are respectively used for weighing corresponding additives of one or more weight units according to the preset proportion and conveying the additives to the stirring module, and the stirring module is used for stirring and mixing the crushed slag soil and the additives according to a preset stirring program.
Preferably, the smashing module comprises a smashing bin, the smashing bin is communicated with the pretreatment module, a striker is communicated with the bottom of the smashing bin and used for smashing large-particle-size solids in the dregs, the maximum particle size of the particles of the smashed dregs is less than or equal to 4cm, a first pneumatic valve is communicated with the bottom of the striker, a first climbing rubber conveying belt is installed at the bottom of the first pneumatic valve, and the first climbing rubber conveying belt is used for conveying the smashed dregs to the weighing module.
Preferably, the weighing module comprises a storage cabin, the storage cabin is communicated with the first climbing rubber conveyer belt, the bottom of the storage cabin is communicated with a second pneumatic valve, the bottom of the second pneumatic valve is communicated with a weighing cabin, a first weighing sensor is installed on the weighing cabin, the bottom of the weighing cabin is communicated with a third pneumatic valve, the bottom of the third pneumatic valve is provided with the second climbing rubber conveyer belt, and the second climbing rubber conveyer belt is used for conveying crushed dregs to the stirring module.
Preferably, the stirring module comprises a stirring cabin, the stirring cabin is communicated with a second climbing rubber conveyer belt and is further communicated with a first storage module, a second storage module and a third storage module, a stirrer is communicated with the bottom of the stirring cabin and is used for stirring, mixing and crushing the residue soil and various additives, and a fourth pneumatic valve is communicated with the bottom of the stirrer.
Preferably, the first storage module comprises a first vertical storage tank, the additive is filled in the first vertical storage tank, a second weighing sensor is arranged on the first vertical storage tank, a first pipe chain conveyor is arranged at the bottom of the first vertical storage tank, and the first pipe chain conveyor is communicated with the stirring cabin.
Preferably, the second storage module comprises a second vertical storage tank, a curing agent is filled in the second vertical storage tank, a third weighing sensor is arranged on the second vertical storage tank, a second pipe chain conveyor is arranged at the bottom of the second vertical storage tank, and the second pipe chain conveyor is communicated with the stirring cabin.
Preferably, the third storage module comprises a horizontal storage tank, water is filled in the horizontal storage tank, a water pipe is installed at the bottom of the horizontal storage tank, the water pipe is communicated with the stirring cabin, and a flowmeter is further installed on the water pipe.
Preferably, the pre-stirring and crushing backfill production device further comprises an air compressor, a rain-proof shed and a hardening base, wherein the air compressor is communicated with the first pneumatic valve, the second pneumatic valve, the third pneumatic valve and the fourth pneumatic valve and provides aerodynamic force for the air compressor, and the rain-proof shed and the hardening base cover the whole pre-stirring and crushing backfill production device.
The second aspect of the invention also provides a method for producing premixed and crushed backfill, which uses the premixed and crushed backfill production device to produce premixed and crushed backfill and comprises the following steps:
(a) Calibrating and resetting the first weighing sensor, the second weighing sensor and the third weighing sensor, and starting the air compressor, the first climbing rubber conveyer belt, the second climbing rubber conveyer belt, the striker and the stirrer in advance;
(b) The dregs pretreatment module conveys dregs to a crushing bin, the dregs are crushed by a striker, a first pneumatic valve is opened, and the crushed dregs are conveyed to a storage bin by a first climbing rubber conveyer belt;
(c) The second pneumatic valve is opened along with the gradual accumulation of the dregs in the storage cabin, the dregs fall into the weighing cabin, and when the first weighing sensor detects that the crushed dregs in the weighing cabin reach the preset weight, the second pneumatic valve is closed, and the third pneumatic valve is opened;
(d) After the crushed slag soil falls into the second climbing rubber conveyer belt and is conveyed to the stirring cabin, the third pneumatic valve is closed, and the second pneumatic valve is opened;
(e) The crushed dregs are conveyed to the stirring cabin, meanwhile, the second weighing sensor weighs the additive with the preset weight and conveys the additive to the stirring cabin, the third weighing sensor weighs the curing agent with the preset weight and conveys the curing agent to the stirring cabin, and the flowmeter controls the water with the preset weight to flow into the stirring cabin;
(f) After water flows into the stirring cabin, a stirrer is arranged to stir for 30-220 s under rated power, and after stirring is completed, a fourth pneumatic valve is opened, so that the production of the premixed and crushed backfill is completed;
(g) Repeating the steps, and producing the next disc of premixed and crushed backfill.
Preferably, the preset weight of the crushed dregs is 600-700 kg; the preset weight of the additive is as follows: 100-150 kg of cement, 800-900 kg of reclaimed sand and 50-100 kg of coal ash; the preset weight of the curing agent is 5-10 kg; the preset weight of the water is 150-250 kg.
Through the technical scheme, the invention has the following technical effects:
1. the premixed grinding backfill soil production device disclosed by the invention is used for grinding and premixed the dregs, so that the problem that the dregs cannot be screened due to the too high water content is solved, the waterproof workload of the dregs in rainy seasons is simplified, the production efficiency is improved, the dregs can be used for production without barriers in rainy seasons, and the applicability of the dregs is further expanded.
2. The invention improves the grading of the pre-mixed backfill aggregate and improves the strength performance of the mixture.
3. The invention can strictly control the particle size of large-particle solid in the dregs, greatly reduce the risk of pump blockage, facilitate the backfilling construction, accelerate the pumping backfilling efficiency and avoid the workload of manually cleaning the screen of the pump truck.
4. The invention almost completely consumes and produces the undisturbed dregs, can not generate residual large-particle-size solids due to screening, has no solid waste disposal problem, is environment-friendly, and reduces environmental pollution.
Drawings
The accompanying drawings, which are included to provide a further understanding of the disclosure, illustrate and explain the disclosure, and do not constitute a limitation on the disclosure. In the drawings:
FIG. 1 is a schematic view of a construction of a ready-mixed pulverized backfill producing device according to an embodiment of the present invention;
FIG. 2 is a schematic view showing a structure of a pulverizing module according to an embodiment of the present invention;
FIG. 3 is a schematic view showing the structure of a weighing module according to an embodiment of the invention;
FIG. 4 is a schematic diagram of the structure of the stirring module, the first storage module, the second storage module and the third storage module according to an embodiment of the present invention;
FIG. 5 is a process flow diagram of a method of producing a ready-mixed crushed backfill in accordance with an embodiment of the invention.
In the figure:
1. A preprocessing module; 2. a crushing module; 21. crushing the bin; 22. a striker; 23. a first pneumatic valve; 24. a first climbing rubber conveyor belt; 3. a weighing module; 31. a storage compartment; 32. a second pneumatic valve; 33. a first load cell; 34. a weighing compartment; 35. a third pneumatic valve; 36. a second climbing rubber conveyor belt; 4. a stirring module; 41. a stirring cabin; 42. a stirrer; 43. a fourth pneumatic valve; 5. a first storage module; 51. a first vertical storage tank; 52. a second load cell; 53. a first tube chain conveyor; 6. a second storage module; 61. a second vertical storage tank; 62. a third load cell; 63. a second tube chain conveyor; 7. a third storage module; 71. a horizontal storage tank; 72. a flow meter; 73. a water pipe; 8. an air compressor; 9. a rain-proof shed; 10. hardening the base.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention more clear, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.
The invention provides a pre-stirring and crushing backfill production device and a production method, which relate to the technical field of earth and stone backfill production and comprise a pretreatment module, wherein the pretreatment module is communicated with a crushing module, the crushing module is used for crushing large-particle-size solids in slag, the crushing module is communicated with a weighing module, the weighing module is communicated with a stirring module, the stirring module is respectively communicated with a first storage module, a second storage module and a third storage module, the crushed slag and additives weighed according to a preset proportion are conveyed to the stirring module, and the stirring module is used for stirring and mixing the crushed slag and the additives according to a preset stirring program.
As shown in fig. 1, the invention discloses a premixed crushing backfill soil production device, which comprises a pretreatment module 1, wherein the pretreatment module 1 is used for pre-crushing dregs, a crushing module 2 is communicated behind the pretreatment module 1, the crushing module 2 is used for crushing large-particle-size solids in the dregs, a weighing module 3 is communicated behind the crushing module 2, a stirring module 4 is communicated behind the weighing module 3, the stirring module 4 is respectively communicated with a first storage module 5, a second storage module 6 and a third storage module 7, the weighing module 3 is used for weighing the crushed dregs according to a preset proportion and conveying the crushed dregs to the stirring module 4, the first storage module 5, the second storage module 6 and the third storage module 7 are respectively used for weighing one or more corresponding additives according to the preset proportion and conveying the crushed dregs to the stirring module 4, and the additives are stirred and mixed according to a preset stirring program.
The pretreatment module 1 may be a pretreatment module 2 that uses a construction machine such as a loader or an excavator to pretrush large-particle solids in the slag, and then scoops the pretreated slag to incline to the pulverization module 2.
As shown in fig. 2, the crushing module 2 comprises a crushing bin 21, the crushing bin 21 is communicated with the pretreatment module 1, the bottom of the crushing bin 21 is communicated with a striker 22, the bottom of the striker 22 is communicated with a first pneumatic valve 23, a first climbing rubber conveyer belt 24 is installed at the bottom of the first pneumatic valve 23, and the first climbing rubber conveyer belt 24 is used for conveying crushed dregs to the weighing module 3.
Wherein, the striker 22 is used for smashing the large-particle-size solid in the dregs, and the maximum particle size of the smashed dregs is less than or equal to 4cm, so as to ensure that the subsequent stirring production and pumping construction are not influenced.
As shown in fig. 3, the weighing module 3 includes a storage cabin 31, the storage cabin 31 is communicated with a first climbing rubber conveyer belt 24, a second pneumatic valve 32 is communicated with the bottom of the storage cabin 31, a weighing cabin 34 is communicated with the bottom of the second pneumatic valve 32, a first weighing sensor 33 is installed on the weighing cabin 34, a third pneumatic valve 35 is communicated with the bottom of the weighing cabin 34, a second climbing rubber conveyer belt 36 is installed at the bottom of the third pneumatic valve 35, and the second climbing rubber conveyer belt 36 is used for conveying crushed dregs weighing one or more weight units according to a preset proportion to the stirring module 4.
The first weighing sensor 33 may be a single-point weighing sensor, the metering error of the single-point weighing sensor is less than or equal to 3%, the preset weight of the crushed dregs is 600-700 kg, and when the weight of the dregs in the weighing compartment 34 reaches 600kg, the third pneumatic valve 35 is opened, and the dregs fall into the second climbing rubber conveyer belt 36.
As shown in fig. 4, the stirring module 4 includes a stirring cabin 41, the stirring cabin 41 is communicated with the second climbing rubber conveying belt 36, the stirring cabin 41 is also communicated with the first storage module 5, the second storage module 6 and the third storage module 7, the bottom of the stirring cabin 41 is communicated with a stirrer 42, the stirrer 42 is used for stirring, mixing and crushing the residue soil and various additives, the bottom of the stirrer 42 is communicated with a fourth pneumatic valve 43, and the stirred pre-mixed crushed backfill soil is put into a transport vehicle through the fourth pneumatic valve 43.
Wherein the additive comprises an additive, a curing agent and water.
Further, the first storage module 5 includes a first vertical storage tank 51, the first vertical storage tank 51 is filled with an additive, the first vertical storage tank 51 is provided with a second weighing sensor 52, the bottom of the first vertical storage tank 51 is provided with a first pipe chain conveyor 53, and the first pipe chain conveyor 53 is communicated with the stirring cabin 41.
Wherein the additive comprises 100-150 kg of cement, 800-900 kg of reclaimed sand and 50-100 kg of coal ash.
The second storage module 6 comprises a second vertical storage tank 61, a curing agent is filled in the second vertical storage tank 61, a third weighing sensor 62 is installed on the second vertical storage tank 61, a second pipe chain conveyor 63 is installed at the bottom of the second vertical storage tank 61, and the second pipe chain conveyor 63 is communicated with the stirring cabin 41.
Wherein the curing agent is BLD-4B high-performance water-reducing curing agent, and the preset weight is 5-10 kg. The second load cell 52 and the third load cell 62 are both S-shaped load cells, and the measurement error of the S-shaped load cells is less than or equal to 2%.
The third storage module 7 comprises a horizontal storage tank 71, water is filled in the horizontal storage tank 71, a water pipe 73 is arranged at the bottom of the horizontal storage tank 71, the water pipe 73 is communicated with the stirring cabin 41, and a flowmeter 72 is further arranged on the water pipe 73, wherein the metering error of the flowmeter 72 is less than or equal to 2%.
In the embodiment of the invention, the pre-mixing and crushing backfill production device further comprises an air compressor 8, a rain shed 9 and a hardening base 10, wherein the air compressor 8 is communicated with and provides aerodynamic force for the first pneumatic valve 23, the second pneumatic valve 32, the third pneumatic valve 35 and the fourth pneumatic valve 43.
The rain-proof shed 9 and the hardening base 10 cover the whole ready-mixed crushing backfill production device, so as to ensure that the production operation of workers is not affected by weather.
As shown in fig. 5, the present invention also provides a method for producing premixed and pulverized backfill, which uses the apparatus for producing premixed and pulverized backfill, and comprises the following steps:
(a) Calibrating and clearing the first weighing sensor 33, the second weighing sensor 52 and the third weighing sensor 62, and starting the air compressor 8, the first climbing rubber conveyer belt 24, the second climbing rubber conveyer belt 36, the striker 22 and the stirrer 42 in advance;
(b) The muck pretreatment module 1 conveys muck to a crushing bin 21, is crushed by a striker 22, opens a first pneumatic valve 23, and conveys the crushed muck to a storage bin 31 by a first climbing rubber conveyor belt 24;
(c) As the dregs in the storage cabin 31 gradually accumulate, the second pneumatic valve 32 is opened, the dregs fall into the weighing cabin 34, when the first weighing sensor 33 detects that the crushed dregs in the weighing cabin 34 reach the preset weight, the second pneumatic valve 32 is closed, and the third pneumatic valve 35 is opened;
(d) After the crushed slag falls into the second climbing rubber conveyer belt 36 and is conveyed to the stirring cabin 41, the third pneumatic valve 35 is closed, and the second pneumatic valve 32 is opened;
(e) While the crushed dregs are conveyed to the stirring cabin 41, the second weighing sensor 52 weighs the additive with the preset weight and conveys the additive to the stirring cabin 41, the third weighing sensor 62 weighs the curing agent with the preset weight and conveys the curing agent to the stirring cabin 41, and the flowmeter 72 controls the water with the preset weight to flow into the stirring cabin 41;
(f) After water flows into the stirring cabin 41, a stirrer 42 is arranged to stir for 30-220 s under rated power, and after stirring is completed, a fourth pneumatic valve 43 is opened, so that the production of pre-mixed crushed backfill is completed;
(g) Repeating the steps, and producing the next disc of premixed and crushed backfill.
In the present disclosure, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that an article or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such article or apparatus. Without further limitation, an element defined by the phrase "comprising … …" does not exclude the presence of other like elements in an article or apparatus that includes the element.
While preferred embodiments of the present invention have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. It is therefore intended that the following claims be interpreted as including the preferred embodiments and all such alterations and modifications as fall within the scope of the invention.
It will be apparent to those skilled in the art that various modifications and variations can be made to the present invention without departing from the spirit or scope of the invention. Thus, it is intended that the present invention also include such modifications and alterations insofar as they come within the scope of the appended claims or the equivalents thereof.
Claims (10)
1. The utility model provides a pre-mix smashes backfill apparatus for producing, includes pretreatment module (1), pretreatment module (1) is used for carrying out the preliminary crushing to dregs, the intercommunication has smash module (2) behind pretreatment module (1), smash module (2) are arranged in smashing big particle diameter solid in the dregs, the intercommunication has weighing module (3) behind smash module (2), the intercommunication has stirring module (4) behind weighing module (3), stirring module (4) communicate respectively has first storage module (5), second storage module (6) and third storage module (7), weighing module (3) are used for weighing the after-smashing dregs of one or more weight units according to predetermineeing the ratio and transporting to stirring module (4), first storage module (5), second storage module (6) and third storage module (7) are used for weighing the corresponding additive of one or more weight units according to predetermineeing the ratio and are used for carrying out stirring and mixing procedure to smash the dregs according to predetermineeing the ratio respectively.
2. The premixed and crushed backfill production device according to claim 1, wherein the crushing module (2) comprises a crushing bin (21), the crushing bin (21) is communicated with the pretreatment module (1), a striker (22) is communicated with the bottom of the crushing bin (21), the striker (22) is used for crushing large-particle-size solids in the dregs, the maximum particle size of the particles of the crushed dregs is less than or equal to 4cm, a first pneumatic valve (23) is communicated with the bottom of the striker (22), a first climbing rubber conveying belt (24) is arranged at the bottom of the first pneumatic valve (23), and the first climbing rubber conveying belt (24) is used for conveying the crushed dregs to the weighing module (3).
3. The ready-mixed crushing backfill production device according to claim 2, characterized in that the weighing module (3) comprises a storage cabin (31), the storage cabin (31) is communicated with the first climbing rubber conveying belt (24), a second pneumatic valve (32) is communicated with the bottom of the storage cabin (31), a weighing cabin (34) is communicated with the bottom of the second pneumatic valve (32), a first weighing sensor (33) is mounted on the weighing cabin (34), a third pneumatic valve (35) is communicated with the bottom of the weighing cabin (34), a second climbing rubber conveying belt (36) is mounted at the bottom of the third pneumatic valve (35), and the second climbing rubber conveying belt (36) is used for conveying crushed dregs to the stirring module (4).
4. A pre-mix and crush backfill production device according to claim 3, characterized in that the stirring module (4) comprises a stirring cabin (41), the stirring cabin (41) is communicated with a second climbing rubber conveying belt (36), the stirring cabin (41) is further communicated with the first storage module (5), the second storage module (6) and the third storage module (7), a stirrer (42) is communicated with the bottom of the stirring cabin (41), the stirrer (42) is used for stirring and mixing crushed slag and various additives, and a fourth pneumatic valve (43) is communicated with the bottom of the stirrer (42).
5. The premixed and crushed backfill production device according to claim 4, wherein the first storage module (5) comprises a first vertical storage tank (51), an additive is arranged in the first vertical storage tank (51), a second weighing sensor (52) is arranged on the first vertical storage tank (51), a first pipe chain conveyor (53) is arranged at the bottom of the first vertical storage tank (51), and the first pipe chain conveyor (53) is communicated with the stirring cabin (41).
6. The pre-stirring, smashing and backfill production device according to claim 4, wherein the second storage module (6) comprises a second vertical storage tank (61), a solidifying agent is arranged in the second vertical storage tank (61), a third weighing sensor (62) is arranged on the second vertical storage tank (61), a second pipe chain conveyor (63) is arranged at the bottom of the second vertical storage tank (61), and the second pipe chain conveyor (63) is communicated with the stirring cabin (41).
7. The pre-stirring, smashing and backfilling production device according to claim 4, wherein the third storage module (7) comprises a horizontal storage tank (71), water is filled in the horizontal storage tank (71), a water pipe (73) is arranged at the bottom of the horizontal storage tank (71), the water pipe (73) is communicated with the stirring cabin (41), and a flowmeter (72) is further arranged on the water pipe (73).
8. The ready-mixed and crushed backfill production device according to claim 1, further comprising an air compressor (8), a rain-proof shed (9) and a hardening base (10), wherein the air compressor (8) is communicated with the first pneumatic valve (23), the second pneumatic valve (32), the third pneumatic valve (35) and the fourth pneumatic valve (43) and provides aerodynamic force for the air compressor, and the rain-proof shed (9) and the hardening base (10) cover the whole ready-mixed and crushed backfill production device.
9. A method for producing a ready-mixed pulverized backfill using the ready-mixed pulverized backfill producing device according to any one of claims 1 to 8, characterized by comprising the steps of:
(a) Calibrating and clearing a first weighing sensor (33), a second weighing sensor (52) and a third weighing sensor (62), and starting an air compressor (8), a first climbing rubber conveyer belt (24), a second climbing rubber conveyer belt (36), a striker (22) and a stirrer (42) in advance;
(b) The dregs pretreatment module (1) conveys dregs to a crushing bin (21), the dregs are crushed by a striker (22), a first pneumatic valve (23) is opened, and the crushed dregs are conveyed to a storage cabin (31) by the first climbing rubber conveyor belt (24);
(c) The second pneumatic valve (32) is opened along with the gradual accumulation of the dregs in the storage cabin (31), the dregs fall into the weighing cabin (34), when the first weighing sensor (33) detects that the crushed dregs in the weighing cabin (34) reach the preset weight, the second pneumatic valve (32) is closed, and the third pneumatic valve (35) is opened;
(d) After the crushed dregs fall into the second climbing rubber conveyer belt (36) and are conveyed to the stirring cabin (41), the third pneumatic valve (35) is closed, and the second pneumatic valve (32) is opened;
(e) The crushed dregs are conveyed to the stirring cabin (41), the second weighing sensor (52) weighs an additive with preset weight and conveys the additive to the stirring cabin (41), the third weighing sensor (62) weighs a curing agent with preset weight and conveys the curing agent to the stirring cabin (41), and the flowmeter (72) controls water with preset weight to flow into the stirring cabin (41);
(f) After water flows into the stirring cabin (41), a stirrer (42) is arranged to stir for 30-220 s under rated power, and after stirring is completed, a fourth pneumatic valve (43) is opened, so that the production of the pre-mixed crushed backfill is completed;
(g) Repeating the steps, and producing the next disc of premixed and crushed backfill.
10. The method for producing ready-mixed pulverized backfill soil as claimed in claim 9, wherein in the step (c), the preset weight of the pulverized slag soil is 600 to 700kg; in the step (e), the preset weight of the additive is as follows: 100-150 kg of cement, 800-900 kg of reclaimed sand and 50-100 kg of coal ash; the preset weight of the curing agent is 5-10 kg; the preset weight of the water is 150-250 kg.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410613684.6A CN118305901A (en) | 2024-05-17 | 2024-05-17 | Premixed and crushed backfill production device and production method |
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| CN202410613684.6A CN118305901A (en) | 2024-05-17 | 2024-05-17 | Premixed and crushed backfill production device and production method |
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