CN104141498A - High-performance construction device for spraying concrete with wet method and construction method of construction device - Google Patents
High-performance construction device for spraying concrete with wet method and construction method of construction device Download PDFInfo
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- CN104141498A CN104141498A CN201410255029.4A CN201410255029A CN104141498A CN 104141498 A CN104141498 A CN 104141498A CN 201410255029 A CN201410255029 A CN 201410255029A CN 104141498 A CN104141498 A CN 104141498A
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Abstract
The invention discloses a high-performance construction device for spraying concrete with wet method and a high-performance construction method of the construction device. Coarse and fine aggregate and cement slurry are separately loaded and uniformly mixed in the wet-mixing material mixer, and an accelerating admixture solution is atomized, so that the use amount of the accelerating admixture solution is greatly reduced, long-distance conveying of a wet-mixing material and uniform mixing of the accelerating admixture are guaranteed, dust-free spraying is achieved, and the spraying quality and the spraying effect are very ideal; and meanwhile, sand in wastewater is washed by a wastewater treatment device, and clear water is recycled, so that a water resource is saved. The separated wet type spraying machine system has the advantages of low manufacturing cost, simplicity in loading and operation, long conveying distance, dust-free spraying, very ideal effect, simple structure design, durability and the like.
Description
Technical field
The present invention relates to concrete construction field, be specifically related to the concrete construction equipment of a kind of high-performance wet spraying and construction method thereof.
Background technology
In existing underground construction, especially in construction of tunnel and mine engineering, dry spraying machine system has the advantages such as material loading is simple, facility equipment is with low cost, but the shortcomings such as Dust Capacity is large, resilience is serious, operating environment is severe because existing, the control of sprayed mortar difficult quality, dry spraying machine system is subject to great restriction.Although wet-spray technique has the plurality of advantages such as dust resilience is lower, water/binder ratio is controlled well than techmque, but the concrete spraying machine that engineering practice at present adopts is the drawback of various degrees all, existing wet-spraying machine design is expensive complicated, maintenance cost is higher, and fed distance is nearer, constructing operation is more painstaking.In addition for construction of tunnel, due to the restriction of concrete engineering condition, current wet-spraying machine implement system requires to be equipped with wet-mixing material conveyor, thereby produces the concrete spice supply problem of tunnel wet shot.
In a word, have the wet spraying process of plurality of advantages in practical engineering application, the design problem due to facility itself, is subject to many limitations, and has had a strong impact on the development of wet spraying process.Therefore, separate type wet spraying system for a kind of sprayed mortar that the present invention proposes, at dry spray, send on the basis of coarse-fine aggregate, by with the mixing of cement paste, then at shower nozzle, go out to add the technological design improvement of liquid accelerating agent, realized the effect of wet-spraying machine, the facility that overcome existing wet shot facility existence are equipped the shortcomings such as cost is expensive, fed distance is shorter, and have guaranteed jeting effect and jet quality.
Summary of the invention
For addressing the above problem, the invention provides the concrete construction equipment of a kind of high-performance wet spraying and construction method thereof.
For achieving the above object, the technical scheme that the present invention takes is:
The concrete construction equipment of a kind of high-performance wet spraying, comprise fines mixing arrangement, cement paste output device, mixing agitator, accelerating admixture feedway and sewage recycling and processing device, cement paste output device is all connected with a high service device with accelerating admixture feedway, the output of cement paste output device and fines mixing arrangement is connected in the input of mixing agitator, mixing agitator is connected with injection apparatus by wet-mixing material efferent duct, the output of accelerating admixture feedway is connected with injection apparatus by accelerating admixture solution efferent duct, between described injection apparatus and described accelerating admixture feedway, be provided with atomizer, described atomizer is connected with compressed air feedway, at described fines mixing arrangement, the output of cement paste output device is all connected with quantity control valve, described control valve is electromagnetic valve, accelerating admixture feedway is provided with constant displacement pump, described accelerating admixture feedway by accelerating admixture solution efferent duct by accelerating admixture solution to atomizer place, by compressed air, the accelerating admixture after atomizer atomization is transported to and the wet-mixing material contact action mixing, arrive wet-mixing material efferent duct and injection apparatus place, described injection apparatus is connected with sand separating equipment in turn by water pipe, one-level sedimentation basin, second-level settling pond, three grades of sedimentation basins and clear water reserviors, described injection apparatus is connected with described one-level precipitation, described injection apparatus is connected with described water pipe by screw thread, described clear water reserviors are connected with high-pressure water pipe by water pipe, described sand separating equipment one end is connected with sandstone gathering-device.
Wherein, described fines mixing arrangement is the dry spraying machine for splendid attire stone and sand, and by high-pressure blast, the coarse-fine aggregate that quantitatively output mixes under the adjusting of quantity control valve, by the coarse-fine aggregate efferent duct access mixing agitator mixing.
Wherein, described cement paste output device comprises for mixing cement and agitator and the cement paste rear pump of water, described cement paste rear pump is arranged on the output pipe of agitator, thereby complete the abundant mixing of cement and water, and under the adjusting of quantity control valve, by cement paste efferent duct, quantitatively export cement paste, access mixing agitator.
Wherein, stone, sand and the wet cement of described mixing agitator for exporting for mixing fines mixing arrangement and cement paste output device, the output of described mixing agitator is linked into injection apparatus.
Wherein, described high service device comprises high-pressure water pipe and constant displacement pump, described high-pressure water pipe is connected to water source, on the link circuit at high-pressure water pipe and water source, be provided with a control valve, described constant displacement pump is located at high-pressure water pipe and cement paste output device, and the junction of described high-pressure water pipe and described agitator is provided with control valve.
Wherein, described fines mixing arrangement, cement paste output device, mixing agitator and accelerating admixture feedway, be all integrated in same platform working vehicle.
The construction method of the above-mentioned concrete construction equipment of high-performance wet spraying, comprises the steps:
S1, stone and sand are added in dry spraying machine, under the adjusting of quantity control valve, the coarse-fine aggregate mixing, through coarse-fine aggregate efferent duct, is delivered to mixing agitator;
S2, water under high pressure, under the control and regulation of constant displacement pump and control valve, are shunted a part of water to the agitator of cement paste output device; Cement paste after stirring via cement paste pipe, is delivered to mixing agitator under the pump action of cement slurrypump;
S3, with step S2 simultaneously water under high pressure under the control and regulation of constant displacement pump, shunt the constant displacement pump that a part of water enters accelerating admixture feedway, form accelerating admixture solution, under the conveying effect of pump, via accelerating admixture efferent duct, be delivered to atomizer, by compressed air, the accelerating admixture after atomizer atomization be transported to and the wet-mixing material contact action mixing, arrive wet-mixing material efferent duct and injection apparatus place;
S4, the coarse-fine aggregate mixing and cement paste enter wet-mixing feed mixer simultaneously, through being mixed to form uniform wet-mixing material, via wet-mixing material efferent duct, are delivered to shower nozzle;
S5, in shower nozzle, accelerating admixture solution and wet-mixing material even contact, finally ejection;
S6, by the pump housing in high-pressure water pipe, regulating pondage, thereby fines mixing arrangement, cement paste output device, mixing agitator are rinsed, the sandstone simultaneously being undertaken in flushing waste water by sand separating equipment is separated, by one-level sedimentation basin, second-level settling pond, three grades of sedimentation basins, flushing waste water is carried out after purified treatment, flow into clear water reserviors, high-pressure water pipe extracts clear water from clear water reserviors, reuses
In such scheme, the separate type material loading of having realized coarse-fine aggregate and cement paste, partly mixes at wet-mixing feed mixer, by atomization accelerating admixture solution, greatly economization the use amount of accelerating admixture solution, the long distance that has guaranteed wet-mixing material is carried and the even mixing of accelerating admixture, has reached injection without dust, and jet quality and jeting effect very good, pass through wastewater treatment equipment simultaneously, to the sandstone in flushing waste water, clear water carries out recycling, brief water resource.The Novel separated type wet spraying machine implement system that the present invention proposes has that facility cost of manufacture is cheap, material loading is very simple and easy, simple to operate, fed distance long and spray without dust the advantages such as effect is very good, structure design simple and wear well.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention's concrete construction equipment of a kind of high-performance wet spraying and construction method embodiment thereof.
The specific embodiment
In order to make objects and advantages of the present invention clearer, below in conjunction with embodiment, the present invention is further elaborated.Should be appreciated that specific embodiment described herein, only in order to explain the present invention, is not intended to limit the present invention.
As shown in Figure 1, the present embodiment provides a kind of high-performance wet spraying concrete construction equipment, comprise fines mixing arrangement, cement paste output device, mixing agitator 6, accelerating admixture feedway and sewage recycling and processing device, cement paste output device is all connected with a high service device with accelerating admixture feedway, the output of cement paste output device and fines mixing arrangement is connected in the input of mixing agitator 6, mixing agitator 6 is connected with injection apparatus 7 by wet-mixing material efferent duct 15, the output of accelerating admixture feedway 13 is connected with injection apparatus 7 by accelerating admixture solution efferent duct 14, between described injection apparatus 7 and described accelerating admixture feedway 13, be provided with atomizer 16, described atomizer 16 is connected with compressed air feedway 17, at described fines mixing arrangement, the output of cement paste output device is all connected with quantity control valve 5, described control valve 5 is electromagnetic valve, accelerating admixture feedway 13 is provided with constant displacement pump 12, described accelerating admixture feedway 13 by accelerating admixture solution efferent duct 14 by accelerating admixture solution to atomizer 16 places, by compressed air 17, the accelerating admixture after atomizer 16 atomizations is transported to and the wet-mixing material contact action mixing, arrive wet-mixing material efferent duct 15 and injection apparatus 7 places, described injection apparatus 7 is connected with sand separating equipment 18 in turn by water pipe, one-level sedimentation basin 20, second-level settling pond 19, three grades of sedimentation basins 21 and clear water reserviors 22, described injection apparatus 7 is connected with described one-level precipitation 20, described injection apparatus 7 is connected with described water pipe by screw thread, described clear water reserviors 22 are connected with high-pressure water pipe 11 by water pipe, described sand separating equipment 18 one end are connected with sandstone gathering-device 1.
Wherein, described fines mixing arrangement is the dry spraying machine 2 for splendid attire stone and sand, and by high-pressure blast, the coarse-fine aggregate that quantitatively output mixes under the adjusting of quantity control valve 5, by the coarse-fine aggregate efferent duct 4 access mixing agitators 6 that mix.
Wherein, described cement paste output device comprises for mixing cement and agitator 8 and the cement paste rear pump 9 of water, described cement paste rear pump 9 is arranged on the output pipe of agitator 8, thereby complete the abundant mixing of cement and water, and under the adjusting of quantity control valve 5, by cement paste efferent duct 10, quantitatively export cement paste, access mixing agitator 6.
Wherein, stone, sand and the wet cement of described mixing agitator 6 for exporting for mixing fines mixing arrangement and cement paste output device, the output of described mixing agitator 6 is linked into injection apparatus 7.
Wherein, described high service device comprises high-pressure water pipe 11 and constant displacement pump 12, described high-pressure water pipe 11 is connected to water source, on the link circuit at high-pressure water pipe 11 and water source, be provided with a control valve, described constant displacement pump 12 is located at high-pressure water pipe 11 and cement paste output device, and described high-pressure water pipe 11 is provided with control valve 3 with the junction of described agitator 8.
Wherein, described fines mixing arrangement, cement paste output device, mixing agitator 6 and accelerating admixture feedway 13, be all integrated in same platform working vehicle.
The construction method of the above-mentioned concrete construction equipment of high-performance wet spraying, comprises the steps:
S1, stone and sand are added in dry spraying machine 2, under the adjusting of quantity control valve 5, the coarse-fine aggregate mixing, through coarse-fine aggregate efferent duct 4, is delivered to mixing agitator 6;
S2, water under high pressure, under the control and regulation of constant displacement pump 12 and control valve 3, are shunted a part of water to the agitator of cement paste output device; Cement paste after stirring via cement paste pipe, is delivered to mixing agitator 6 under the pump action of cement slurrypump;
S3, with step S2 simultaneously water under high pressure under the control and regulation of constant displacement pump, shunt the constant displacement pump 12 that a part of water enters accelerating admixture feedway 13, form accelerating admixture solution, under the conveying effect of pump, via accelerating admixture efferent duct 14, be delivered to atomizer 16, by compressed air 17, the accelerating admixture after atomizer 16 atomizations be transported to and the wet-mixing material contact action mixing, arrive wet-mixing material efferent duct 15 and injection apparatus 7 places;
S4, the coarse-fine aggregate mixing and cement paste enter wet-mixing feed mixer simultaneously, through being mixed to form uniform wet-mixing material, via wet-mixing material efferent duct, are delivered to shower nozzle;
S5, in shower nozzle, accelerating admixture solution and wet-mixing material even contact, finally ejection;
S6, by the pump housing in high-pressure water pipe 11, regulating pondage, thereby fines mixing arrangement, cement paste output device, mixing agitator 6 are rinsed, the sandstone simultaneously being undertaken in flushing waste water by sand separating equipment 18 is separated, by one-level sedimentation basin 20, second-level settling pond 19, three grades of 21 pairs of flushing waste waters of sedimentation basin, undertaken after purified treatment, flow into clear water reserviors 22, high-pressure water pipe 11 extracts clear water from clear water reserviors 22, reuses
This has specifically realized the separate type material loading of coarse-fine aggregate and cement paste, at wet-mixing feed mixer, partly mix, by atomization accelerating admixture solution, greatly economization the use amount of accelerating admixture solution, the long distance that has guaranteed wet-mixing material is carried and the even mixing of accelerating admixture, reached and sprayed without dust, and jet quality and jeting effect are very good, simultaneously by wastewater treatment equipment, to the sandstone in flushing waste water, clear water carries out recycling, brief water resource.The Novel separated type wet spraying machine implement system that the present invention proposes has that facility cost of manufacture is cheap, material loading is very simple and easy, simple to operate, fed distance long and spray without dust the advantages such as effect is very good, structure design simple and wear well.
The above is only the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (7)
1. the concrete construction equipment of high-performance wet spraying, it is characterized in that, comprise fines mixing arrangement, cement paste output device, mixing agitator (6), accelerating admixture feedway and sewage recycling and processing device, cement paste output device is all connected with a high service device with accelerating admixture feedway, the output of cement paste output device and fines mixing arrangement is connected in the input of mixing agitator (6), mixing agitator (6) is connected with injection apparatus (7) by wet-mixing material efferent duct (15), the output of accelerating admixture feedway (13) is connected with injection apparatus (7) by accelerating admixture solution efferent duct (14), between described injection apparatus (7) and described accelerating admixture feedway (13), be provided with atomizer (16), described atomizer (16) is connected with compressed air feedway (17), at described fines mixing arrangement, the output of cement paste output device is all connected with quantity control valve (5), described control valve (5) is electromagnetic valve, accelerating admixture feedway (13) is provided with constant displacement pump (12), described accelerating admixture feedway (13) is located accelerating admixture solution to atomizer (16) by accelerating admixture solution efferent duct (14), by compressed air (17), the accelerating admixture after atomizer (16) atomization is transported to and the wet-mixing material contact action mixing, arriving wet-mixing material efferent duct (15) and injection apparatus (7) locates, described injection apparatus (7) is connected with sand separating equipment (18) in turn by water pipe, one-level sedimentation basin (20), second-level settling pond (19), three grades of sedimentation basins (21) and clear water reserviors (22), described injection apparatus (7) precipitates (20) with described one-level and is connected, described injection apparatus (7) is connected with described water pipe by screw thread, described clear water reserviors (22) are connected with high-pressure water pipe (11) by water pipe, described sand separating equipment (18) one end is connected with sandstone gathering-device (1).
2. the concrete construction equipment of a kind of high-performance wet spraying according to claim 1, it is characterized in that, described fines mixing arrangement is the dry spraying machine (2) for splendid attire stone and sand, by high-pressure blast, the coarse-fine aggregate that quantitatively output mixes under the adjusting of quantity control valve (5), by coarse-fine aggregate efferent duct (4) the access mixing agitator (6) mixing.
3. the concrete construction equipment of a kind of high-performance wet spraying according to claim 1, it is characterized in that, described cement paste output device comprises for mixing cement and agitator (8) and the cement paste rear pump (9) of water, described cement paste rear pump (9) is arranged on the output pipe of agitator (8), thereby complete the abundant mixing of cement and water, and under the adjusting of quantity control valve (5), by cement paste efferent duct (10), quantitatively export cement paste, access mixing agitator (6).
4. the concrete construction equipment of a kind of high-performance wet spraying according to claim 1, it is characterized in that, stone, sand and the wet cement of described mixing agitator (6) for exporting for mixing fines mixing arrangement and cement paste output device, the output of described mixing agitator (6) is linked into injection apparatus (7).
5. the concrete construction equipment of a kind of high-performance wet spraying according to claim 1, it is characterized in that, described high service device comprises high-pressure water pipe (11) and constant displacement pump (12), described high-pressure water pipe (11) is connected to water source, on the link circuit at high-pressure water pipe (11) and water source, be provided with a control valve, described constant displacement pump (12) is located at high-pressure water pipe (11) and cement paste output device, and described high-pressure water pipe (11) is provided with control valve (3) with the junction of described agitator (8).
6. the concrete construction equipment of a kind of high-performance wet spraying according to claim 1, it is characterized in that, described fines mixing arrangement, cement paste output device, mixing agitator (6) and accelerating admixture feedway (13), be all integrated in same platform working vehicle.
7. the construction method of the concrete construction equipment of high-performance wet spraying as described in claim 1-6, is characterized in that, comprises the steps:
S1, stone and sand are added in dry spraying machine (2), under the adjusting of quantity control valve (5), the coarse-fine aggregate mixing, through coarse-fine aggregate efferent duct (4), is delivered to mixing agitator (6);
S2, water under high pressure, under the control and regulation of constant displacement pump (12) and control valve (3), are shunted a part of water to the agitator of cement paste output device; Cement paste after stirring via cement paste pipe, is delivered to mixing agitator (6) under the pump action of cement slurrypump;
S3, with step S2 simultaneously water under high pressure under the control and regulation of constant displacement pump, shunt the constant displacement pump (12) that a part of water enters accelerating admixture feedway (13), form accelerating admixture solution, under the conveying effect of pump, via accelerating admixture efferent duct (14), be delivered to atomizer (16), by compressed air (17), the accelerating admixture after atomizer (16) atomization is transported to and the wet-mixing material contact action mixing, arrives wet-mixing material efferent duct (15) and injection apparatus (7) and locate;
S4, the coarse-fine aggregate mixing and cement paste enter wet-mixing feed mixer simultaneously, through being mixed to form uniform wet-mixing material, via wet-mixing material efferent duct, are delivered to shower nozzle;
S5, in shower nozzle, accelerating admixture solution and wet-mixing material even contact, finally ejection;
S6, by the pump housing in high-pressure water pipe (11), regulating pondage, thereby fines mixing arrangement, cement paste output device, mixing agitator (6) are rinsed, the sandstone simultaneously being undertaken in flushing waste water by sand separating equipment (18) is separated, by one-level sedimentation basin (20), second-level settling pond (19), three grades of sedimentation basins (21), flushing waste water is carried out after purified treatment, flow into clear water reserviors (22), high-pressure water pipe (11) extracts clear water from clear water reserviors (22), reuses.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109944606A (en) * | 2018-08-21 | 2019-06-28 | 西安长大智能装备研究所有限公司 | A kind of spraying system and its injection method of concrete Wet-type patching machine |
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| CN103527220A (en) * | 2013-10-25 | 2014-01-22 | 江苏鼎甲科技有限公司 | Wet-type concrete spraying process |
| CN103806921A (en) * | 2014-02-25 | 2014-05-21 | 山东大学 | Separating type wet process spraying system for spraying concrete and control method |
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2014
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Patent Citations (5)
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| JPH10317671A (en) * | 1997-05-20 | 1998-12-02 | Tobishima Corp | Spraying concrete and spraying system |
| CN101122234A (en) * | 2007-08-14 | 2008-02-13 | 陕西金石混凝土科技发展有限公司 | Construction method for using liquid quick coagulator for injecting concrete |
| CN103406345A (en) * | 2013-08-29 | 2013-11-27 | 平湖南方混凝土制品有限公司 | Comprehensive utilization process of wastewater and waste residues in concrete mixing station |
| CN103527220A (en) * | 2013-10-25 | 2014-01-22 | 江苏鼎甲科技有限公司 | Wet-type concrete spraying process |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109944606A (en) * | 2018-08-21 | 2019-06-28 | 西安长大智能装备研究所有限公司 | A kind of spraying system and its injection method of concrete Wet-type patching machine |
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Application publication date: 20141112 |