CN103321228A - High-water material ground fissure filling system and filling treatment method - Google Patents
High-water material ground fissure filling system and filling treatment method Download PDFInfo
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- CN103321228A CN103321228A CN2013102490867A CN201310249086A CN103321228A CN 103321228 A CN103321228 A CN 103321228A CN 2013102490867 A CN2013102490867 A CN 2013102490867A CN 201310249086 A CN201310249086 A CN 201310249086A CN 103321228 A CN103321228 A CN 103321228A
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Abstract
A high-water material ground fissure filling system and a filling treatment method are applicable to treatment of ground fissures in mining old mined-out areas of west dry mining areas. The high-water material ground fissure filling system comprises a body and an engine, an air compressor, a filling slurry production system and a grout injection system are respectively arranged on the body, high-water filling slurry is injected into the ground fissures through a grout injection pipe, grout injection is stopped when filling height reaches 0.5 meter from the ground surface, high-water filling slurry solidified bodies in the ground fissures are covered with soil after the high-water filling slurry is sufficiently solidified, the soil is compacted after covering, the dry bulk density of a compacted soil body is not lower than 1.3t/m<3> and is suitable for planting vegetations, an arc-shaped fissure slot with the depth of 0.1m-0.2m is constructed in the upper surface of the covering soil, and grass blankets or tree and shrub plants are planted in the fissure slot. The high-water material ground fissure filling system is simple in process, low in cost, dense in filling, fine in water retention performance and high in vegetation survival rate.
Description
Technical field
The present invention relates generally to a kind of ground fissure filling system and filling improvement method, is particularly useful for old goaf, western arid mining area and adopts high-water material ground fissure filling system and the filling improvement method that ground fissure is administered.
Background technology
Ground fissure is a kind of typical geological disaster that the mine of western shallow coal scam causes, owing to resource exploitation causes the disrumpent feelings of overlying rock until earth surface cracks forms, on the one hand, cause major hidden danger to mine safety production, when especially ground fissure and goaf connect, often leak and leak out, burst the water security incidents such as sand of bursting; On the other hand, ecological environment is caused irreversible damage, the environmental problems such as surface subsidence, soil erosion, vegetation degeneration are on the rise.Mine of western generally have reserves large, bury the characteristics such as shallow, earth's surface ecology fragility, along with advancing implementation in the coal in China west, the Ground Fissure Disasters that a large amount of exploitation of coal resources causes need be administered.
Adopt ground fissure and be divided into two kinds in provisional crack in the mining active process and the earth's surface permanent crack after surely heavy, provisional crack is larger on the impact of mine safety production, generally be along with the propelling of work plane is grown directly over the goaf simultaneously, common improvement method is: monitor at any time, bury temporarily, the earth's surface push away flat, its shortcoming be bury unreal, cure the symptoms, not the disease; Permanent crack is larger on the impact of ecological environment, at work plane both sides and open-off cut, stop adopting grow near the line the most intensive, common improvement method has: sandy soil pour into, solid waste filling etc., and its shortcoming is: complex process, cost is higher, filling is unreal, should not water conservation, leave potential safety hazard etc.In general, come in every shape owing to adopting ground fissure, deep mixed, plane distribution and profile morphology are extremely irregular, traditional improvement method cost is higher, is difficult to fundamentally eliminate the potential safety hazard of ground fissure, and is limited to the repair ability of mine of western fragile ecological environment.
Summary of the invention
The purpose of this invention is to provide a kind of technique simple, with low cost, filling is closely knit, water retention property good, the vegetation survival rate is high, the high-water material ground fissure filling system that can fundamentally eliminate safe hidden trouble and improvement method.
For achieving the above object, high-water material ground fissure filling system of the present invention, comprise car body and motor, be respectively equipped with the air compressor that is connected with motor on the described car body, filling slurries production system and filling system, described filling slurries production system is two cover slurry agitation bucket groups, slurry agitation bucket group is made of A slurry agitation bucket and B slurry agitation bucket, be equipped with Pneumatic blender in A slurry agitation bucket and the B slurry agitation bucket, described filling system comprises the grouting pump that is connected with slurry agitation bucket group by pipeline, grouting pump is provided with two pulp absorbing holes and two grout outlets, be provided with threeway between the pulp absorbing hole of two A slurry agitation buckets and grouting pump, threeway is provided with transfer valve, be provided with threeway between the pulp absorbing hole of two B slurry agitation buckets and grouting pump, threeway is provided with transfer valve, two grout outlets of grouting pump are provided with blender, and blender is provided with Grouting Pipe, and described grouting pump and each Pneumatic blender are connected with air compressor by pipeline.Described Grouting Pipe length is not less than 30m, is no more than 1000m; The specified slurry amount of described Pneumatic grouting pump is not less than 150L/min; Described motor per hour power is not less than 16kW; Described air compressor capacity is not less than 3.0m3/min.
A kind of high-water material ground fissure filling improvement method of using above-mentioned filling system is characterized in that comprising the steps:
A. filling system is placed in the ground fissure 1000m scope, start the air compressor of filling system, drop into respectively in the A slurry agitation bucket and B slurry agitation bucket of two cover slurry agitation bucket groups buying the high-water material that comes, inject on request clear water, drive the Pneumatic blender work that is located in A slurry agitation bucket and the B slurry agitation bucket by air compressor;
B. (interior high-water material and clear water fully are mixed into after the slurries Pneumatic blender with A slurry agitation bucket and B slurry agitation bucket, open Pneumatic grouting pump, Pneumatic grouting pump sucks two kinds of slurries in the Pneumatic grouting pump by pipeline, fully mix in two outlet injecting mixers by Pneumatic grouting pump and form high-water material filling slurries, high-water material filling slurries are injected to ground fissure is inner by Grouting Pipe, when being 0.4-0.6 rice apart from earth's surface height h, the packed height of high-water material filling slurries stops slip casting, two groups of slurry agitation buckets switch in turn use by transfer valve, guarantee that the slip casting flow process is uninterrupted;
C. after high-water material filling slurries fully solidify, earthing on the high-water material filling slurry consolidation body in ground fissure, with soil compaction, the dry density of the compacting soil body is not less than 1.3t/m3 behind the earthing;
D. the upper surface at earthing constructs the arc crack groove that the degree of depth is 0.1m-0.2m;
E. broadcast sowing grass seeds at the crack groove, and lay the careless blanket substrate that is consisted of by rice wheat straw, thereby form ecological grass mat, perhaps plant the stronger arbor and bush plants of drought resistance.
Beneficial effect: high-water material ground fissure filling system of the present invention and improvement method, high-water material filling slurries are injected ground fissure, after high-water material filling slurries fully solidify, the solid-state structure of its formation can be fills up to the crack bottommost fully, filling is closely knit, do not stay underground cavity, eliminate safe hidden trouble fully, pack effectiveness is high, and filling cost is low, the filling that is suitable for subsidence area all kinds ground fissure is administered, have good water isolating owing to high-water material simultaneously, and the arc crack groove of earthing top setting, the earth's surface soil erosion can effectively be reduced, improve the water retention property in improvement district and the survival rate of vegetation, solved the technical barrier of western arid mining area surface restoration of the ecosystem.
Description of drawings
Fig. 1 is high-water material ground fissure filling system structure chart of the present invention;
Fig. 2 is high-water material ground fissure filling structure chart of the present invention;
Fig. 3 is the ground fissure structure chart after high-water material ground fissure filling of the present invention is administered.
Among the figure: 1-car body, 2-air compressor, 3-A slurry agitation bucket, 4-B slurry agitation bucket, 5-grouting pump, 6-blender, 7-Grouting Pipe, 8-ground fissure, 9-high-water material filling slurries, 10-earthing, 11-crack groove, 12-ecological grass mat, 13-arbor and bush plants.
The specific embodiment
Below in conjunction with accompanying drawing one embodiment of the present of invention are further described:
As shown in Figure 1, high-water material ground fissure filling system of the present invention, comprise car body 1 and motor, be respectively equipped with the air compressor 2 that is connected with motor on the described car body 1, filling slurries production system and filling system, described filling slurries production system is two cover slurry agitation bucket groups, slurry agitation bucket group is made of A slurry agitation bucket 3 and B slurry agitation bucket 4, be equipped with Pneumatic blender in A slurry agitation bucket 3 and the B slurry agitation bucket 4, described filling system comprises the grouting pump 5 that is connected with slurry agitation bucket group by pipeline, grouting pump 5 is provided with two pulp absorbing holes and two grout outlets, be provided with threeway between the pulp absorbing hole of two A slurry agitation buckets 3 and grouting pump 5, threeway is provided with transfer valve, be provided with threeway between the pulp absorbing hole of two B slurry agitation buckets 4 and grouting pump 5, threeway is provided with transfer valve, two grout outlets of grouting pump 5 are provided with blender 6, blender 6 is provided with Grouting Pipe 7, described Grouting Pipe 7 length are not less than 30m, be no more than 1000m, described grouting pump 5 and each Pneumatic blender are connected with air compressor 2 by pipeline; Described Pneumatic grouting pump 5 specified slurry amounts are not less than 150L/min, and motor per hour power is not less than 16kW, and air compressor 2 capacities are not less than 3.0m3/min, and Pneumatic grouting pump 5 specified slurry amounts are not less than 150L/min.
As shown in Figures 2 and 3, a kind of high-water material ground fissure filling improvement method of using above-mentioned filling system, concrete steps are as follows:
A. filling system is placed in the ground fissure 1000m scope, start motor and the air compressor 2 of filling system, drop into respectively in the A slurry agitation bucket 3 and B slurry agitation bucket 4 of two cover slurry agitation bucket groups buying the high-water material that comes, inject on request clear water, wherein water volume accounts for more than 85%, described two parts of materials, first part of material fired in the ratio of 58:35:7 by bauxite, gypsum, mineralizer and formed; Second part of material formed in the ratio mix grinding of 55:40:5 by lime, gypsum, mineralizer; Drive the Pneumatic blender work that is located in A slurry agitation bucket 3 and the B slurry agitation bucket 4 by air compressor 2;
B. Pneumatic blender fully is mixed into the high-water material in A slurry agitation bucket 3 and the B slurry agitation bucket 4 and clear water after the slurries, open Pneumatic grouting pump 5, Pneumatic grouting pump 5 sucks two kinds of slurries in the Pneumatic grouting pump 5 by pipeline, two outlet injecting mixers, 6 interior abundant mixing by Pneumatic grouting pump 5 form high-water material filling slurries, high-water material filling slurries are injected to ground fissure 8 inside by Grouting Pipe 7, when being 0.4-0.6 rice apart from earth's surface height h, the packed height of high-water material filling slurries 9 stops slip casting, two groups of slurry agitation buckets switch in turn use by transfer valve, guarantee that the slip casting flow process is uninterrupted;
C. after high-water material filling slurries 9 fully solidify, earthing on high-water material filling slurries 9 indurations in ground fissure 8, with soil compaction, the dry density of the compacting soil body is not less than 1.3t/m3 behind the earthing;
D. the upper surface at earthing 10 constructs the arc crack groove 11 that the degree of depth is 0.1m-0.2m;
E. as shown in Figure 3, broadcast sowing grass seeds at crack groove 11, and lay the careless blanket substrate that is made of rice wheat straw, thereby form ecological grass mat 12, careless blanket thickness is 30mm approximately; Perhaps plant the stronger arbor and bush plants of drought resistance 13.
Claims (4)
1. high-water material ground fissure filling system, comprise car body (1) and motor, it is characterized in that, be respectively equipped with the air compressor (2) that is connected with motor on the described car body (1), filling slurries production system and filling system, described filling slurries production system is two cover slurry agitation bucket groups, slurry agitation bucket group is made of A slurry agitation bucket (3) and B slurry agitation bucket (4), be equipped with Pneumatic blender in A slurry agitation bucket (3) and the B slurry agitation bucket (4), described filling system comprises the grouting pump (5) that is connected with slurry agitation bucket group by pipeline, grouting pump (5) is provided with two pulp absorbing holes and two grout outlets, be provided with threeway between the pulp absorbing hole of two A slurry agitation buckets (3) and grouting pump (5), threeway is provided with transfer valve, be provided with threeway between the pulp absorbing hole of two B slurry agitation buckets (4) and grouting pump (5), threeway is provided with transfer valve, two grout outlets of grouting pump (5) are provided with blender (6), blender (6) is provided with Grouting Pipe (7), and described grouting pump (5) and each Pneumatic blender are connected with air compressor (2) by pipeline.
2. high-water material ground fissure filling system according to claim 1, it is characterized in that: described Grouting Pipe (7) length is not less than 30m, is no more than 1000m.
3. high-water material ground fissure filling system according to claim 1, it is characterized in that: the specified slurry amount of described Pneumatic grouting pump (5) is not less than 150L/min; Described motor per hour power is not less than 16kW; Described air compressing (2) machine capacity is not less than 3.0m3/min.
4. a right to use requires the high-water material ground fissure filling improvement method of 1 described filling system, it is characterized in that comprising the steps:
A. filling system is placed in ground fissure (8) the 1000m scope, start the air compressor (2) of filling system, drop into respectively in the A slurry agitation bucket (3) and B slurry agitation bucket (4) of two cover slurry agitation bucket groups buying the high-water material that comes, inject on request clear water, drive the Pneumatic blender work that is located in A slurry agitation bucket (3) and the B slurry agitation bucket (4) by air compressor (2);
B. Pneumatic blender fully is mixed into the high-water material in A slurry agitation bucket (3) and the B slurry agitation bucket (4) and clear water after the slurries, open Pneumatic grouting pump (5), Pneumatic grouting pump (5) sucks two kinds of slurries in the Pneumatic grouting pump (5) by pipeline, form high-water material filling slurries by fully mixing in two outlet injecting mixers (6) of Pneumatic grouting pump (5), high-water material filling slurries are injected to ground fissure (8) is inner by Grouting Pipe (7), when being 0.4-0.6 rice apart from earth's surface height h, the packed height of high-water material filling slurries (9) stops slip casting, two groups of slurry agitation buckets switch in turn use by transfer valve, guarantee that the slip casting flow process is uninterrupted;
C. after high-water material filling slurries (9) fully solidify, earthing on high-water material filling slurries (9) induration in ground fissure (8), with soil compaction, the dry density of the compacting soil body is not less than 1.3t/m3 behind the earthing;
D. the upper surface at earthing (10) constructs the arc crack groove (11) that the degree of depth is 0.1m-0.2m;
E. broadcast sowing grass seeds at crack groove (11), and lay the careless blanket substrate that is consisted of by rice wheat straw, thereby form ecological grass mat (12), perhaps plant the stronger arbor and bush plants of drought resistance (13).
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104846848A (en) * | 2015-03-23 | 2015-08-19 | 安徽理工大学 | Method for controlling earth surface water and soil loss of underground layered mineral product mining subsidence area |
| CN104912592A (en) * | 2015-06-17 | 2015-09-16 | 山东科技大学 | Goaf fast grouting system |
| CN106640083A (en) * | 2015-10-29 | 2017-05-10 | 中国矿业大学(北京) | Coal mine sinking basin associated ground fissure repair method |
| CN111648821A (en) * | 2020-06-16 | 2020-09-11 | 山东大学 | Mobile breakdown van for emergency treatment during tunnel collapse |
| CN114134877A (en) * | 2021-11-15 | 2022-03-04 | 山东科技大学 | Treatment method for mining ground cracks of shallow coal seam in hilly area of hilly landform |
| CN115753873A (en) * | 2022-11-14 | 2023-03-07 | 长安大学 | Frozen soil body water migration and frost heaving rule testing device and testing method |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106640083A (en) * | 2015-10-29 | 2017-05-10 | 中国矿业大学(北京) | Coal mine sinking basin associated ground fissure repair method |
| CN111648821A (en) * | 2020-06-16 | 2020-09-11 | 山东大学 | Mobile breakdown van for emergency treatment during tunnel collapse |
| CN114134877A (en) * | 2021-11-15 | 2022-03-04 | 山东科技大学 | Treatment method for mining ground cracks of shallow coal seam in hilly area of hilly landform |
| CN115753873A (en) * | 2022-11-14 | 2023-03-07 | 长安大学 | Frozen soil body water migration and frost heaving rule testing device and testing method |
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| CN103321228B (en) | 2016-01-20 |
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Inventor after: Liu Hui Inventor after: Deng Kazhong Inventor after: Lei Shaogang Inventor after: Bian Zhengfu Inventor after: Chen Dongya Inventor after: Yu Yang Inventor after: Wang Yexian Inventor before: Liu Hui Inventor before: Deng Kazhong Inventor before: Lei Shaogang Inventor before: Bian Zhengfu Inventor before: He Chungui Inventor before: Yu Yang Inventor before: Wang Yexian |
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Effective date of registration: 20151106 Address after: 221116 Research Institute, China University of Mining and Technology, Xuzhou University, Jiangsu, China, Applicant after: China University of Mining & Technology Applicant after: Shandong University Applicant after: Hebei University of Engineering Address before: 221116 Research Institute, China University of Mining and Technology, Xuzhou University, Jiangsu, China, Applicant before: China University of Mining & Technology Applicant before: Hebei University of Engineering |
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