CN112065501A - Mine underground goaf rapid-curing foam material filling equipment and construction method thereof - Google Patents

Mine underground goaf rapid-curing foam material filling equipment and construction method thereof Download PDF

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Publication number
CN112065501A
CN112065501A CN202010907550.7A CN202010907550A CN112065501A CN 112065501 A CN112065501 A CN 112065501A CN 202010907550 A CN202010907550 A CN 202010907550A CN 112065501 A CN112065501 A CN 112065501A
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CN
China
Prior art keywords
grouting
rapid
grouting pipe
material filling
foam material
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Pending
Application number
CN202010907550.7A
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Chinese (zh)
Inventor
龚雨
王雪梅
袁克阔
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Xijing University
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Xijing University
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Publication date
Application filed by Xijing University filed Critical Xijing University
Priority to CN202010907550.7A priority Critical patent/CN112065501A/en
Publication of CN112065501A publication Critical patent/CN112065501A/en
Pending legal-status Critical Current

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    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
    • E21F15/00—Methods or devices for placing filling-up materials in underground workings
    • E21F15/08—Filling-up hydraulically or pneumatically
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28C—PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28C5/00—Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions
    • B28C5/003—Methods for mixing
    • B28C5/006—Methods for mixing involving mechanical aspects
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28C—PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28C5/00—Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions
    • B28C5/08—Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions using driven mechanical means affecting the mixing
    • B28C5/0806—Details; Accessories
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28C—PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28C5/00—Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions
    • B28C5/08—Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions using driven mechanical means affecting the mixing
    • B28C5/0806—Details; Accessories
    • B28C5/0831—Drives or drive systems, e.g. toothed racks, winches
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28C—PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28C5/00—Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions
    • B28C5/08—Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions using driven mechanical means affecting the mixing
    • B28C5/10—Mixing in containers not actuated to effect the mixing
    • B28C5/12—Mixing in containers not actuated to effect the mixing with stirrers sweeping through the materials, e.g. with incorporated feeding or discharging means or with oscillating stirrers
    • B28C5/16—Mixing in containers not actuated to effect the mixing with stirrers sweeping through the materials, e.g. with incorporated feeding or discharging means or with oscillating stirrers the stirrers having motion about a vertical or steeply inclined axis
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28C—PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28C7/00—Controlling the operation of apparatus for producing mixtures of clay or cement with other substances; Supplying or proportioning the ingredients for mixing clay or cement with other substances; Discharging the mixture
    • B28C7/04—Supplying or proportioning the ingredients
    • B28C7/06—Supplying the solid ingredients, e.g. by means of endless conveyors or jigging conveyors
    • B28C7/067—Supplying the solid ingredients, e.g. by means of endless conveyors or jigging conveyors by means of stationary hoppers, chambers or bins from which the material is fed gravitationally, e.g. having agitating means therein
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28C—PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28C7/00—Controlling the operation of apparatus for producing mixtures of clay or cement with other substances; Supplying or proportioning the ingredients for mixing clay or cement with other substances; Discharging the mixture
    • B28C7/04—Supplying or proportioning the ingredients
    • B28C7/12—Supplying or proportioning liquid ingredients
    • B28C7/126—Supply means, e.g. nozzles
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
    • E21F15/00—Methods or devices for placing filling-up materials in underground workings
    • E21F15/08—Filling-up hydraulically or pneumatically
    • E21F15/10—Hydraulic or pneumatic filling-up machines

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  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Mechanical Engineering (AREA)
  • Structural Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Consolidation Of Soil By Introduction Of Solidifying Substances Into Soil (AREA)

Abstract

The invention is suitable for the technical field of goaf filling, and provides a rapid-curing foam material filling device for an underground mine goaf; the method comprises the following steps: the grouting pipe is inserted into the goaf; the grouting pump is communicated with the upper end of the grouting pipe and is externally connected with concrete slurry; the Venturi tube is arranged on the grouting pipe and is arranged at the lower section of the communication part of the grouting pump and the grouting pipe; the stirring device is used for mixing the lower section in the grouting pipe; and a foam gel powder box which is communicated with the convergent part of the Venturi tube and used for inputting foam gel powder into the grouting pipe. The invention has simple operation, can fully mix the concrete slurry and the foam gel powder, ensures the uniformity of material mixing, is energy-saving and environment-friendly, and is beneficial to popularization.

Description

Mine underground goaf rapid-curing foam material filling equipment and construction method thereof
Technical Field
The invention relates to the technical field of goaf filling, in particular to a mine underground goaf rapid-curing foam material filling device and a construction method thereof.
Background
The underground dead zone comprises a mining goaf, a karst cave and the like. At present, an underground dead zone becomes an important problem restricting the development of a mine, as the mine is exploited to the deep part, the ground pressure is increased, the underground dead zone is easy to collapse under strong ground pressure, and particularly has great influence on the mine which is converted from underground to open-pit mining, a large number of stopes, chambers and roadways left in underground mining are not processed in time, so that serious hidden dangers are brought to the open-pit mining, meanwhile, serious threats are brought to mine workers and equipment, and environmental deterioration and serious waste of mineral resources are caused.
At present, the detection of an underground dead zone is mainly geophysical detection, but a geophysical detection device only can detect whether the underground dead zone exists or not, and cannot detect a specific boundary and a cavity size, and the underground dead zone is buried in a mode of treating the underground dead zone after the geophysical detection, but if common concrete is used for burying, larger collapse can be caused due to too large concrete quality and long solidification time; if the concrete with short setting time and small mass is used for filling, the filling effect is deteriorated because the liquid cement paste and the solid cement block cannot be completely set in a short time by one-time filling, and the filling effect is deteriorated. Therefore, the mine underground goaf rapid-curing foam material filling equipment and method are provided.
Disclosure of Invention
The invention aims to provide a mine underground goaf rapid-curing foam material filling device and a construction method thereof, and aims to solve the problems in the background art.
In order to achieve the purpose, the invention provides the following technical scheme:
a mine underground gob rapid-curing foam material filling equipment comprises: the grouting pipe is inserted into the goaf;
the grouting pump is communicated with the upper end of the grouting pipe and is externally connected with concrete slurry;
the Venturi tube is arranged on the grouting pipe and is arranged at the lower section of the communication part of the grouting pump and the grouting pipe;
the stirring device is used for mixing the lower section in the grouting pipe;
and a foam gel powder box which is communicated with the convergent part of the Venturi tube and used for inputting foam gel powder into the grouting pipe.
As a further scheme of the invention: the stirring device comprises a rotating shaft inserted into the grouting pipe and a stirring blade fixedly mounted on the rotating shaft, and the rotating shaft rotates automatically.
As a still further scheme of the invention: the electric motor is in transmission connection with the rotating shaft.
As a still further scheme of the invention: the device also comprises a bracket, wherein the bracket is fixedly arranged on the ground; the motor is fixedly arranged on the bracket.
As a still further scheme of the invention: the grouting pipe is arranged higher than the ground, and the higher part of the grouting pipe is fixedly connected with the bracket.
As a still further scheme of the invention: the grouting device is characterized by further comprising a retaining wall sleeve, wherein the retaining wall sleeve is inserted into the grouting hole, and the upper portion of the retaining wall sleeve exceeds the ground.
As a still further scheme of the invention: the bottom of the retaining wall casing pipe extends into the stable foundation stratum.
As a still further scheme of the invention: and a filling material is arranged between the wall protection sleeve and the grouting pipe.
The invention provides a technical scheme as follows:
a construction method of a mine underground goaf quick-curing foam material filling device comprises the following steps:
manufacturing a grouting hole;
manufacturing and installing a bracket; manufacturing and installing a grouting pipe and a stirring device;
and (6) grouting operation.
As a further scheme of the invention: connect grouting pump and venturi upper portion slip casting pipe trompil, be connected foam gel powder end case and venturi side opening, at first open motor and air-blower, then open the grouting pump and begin the slip casting, the concrete thick liquid of slip casting pump delivery, the concrete thick liquid under the high velocity of flow through behind the venturi with the foam gel powder mixes, at the quick homogeneous mixing of stirring through agitating unit, solidifies rapidly after the injection collecting space area, adopt segmentation slip casting, wait to solidify promptly after pouring a period and estimate again slip casting after the intensity.
Compared with the prior art, the invention has the beneficial effects that: the grouting pipe is inserted into the goaf below the ground, the concrete slurry is input into the grouting pipe by the operation of the grouting pump, meanwhile, the foam gel powder box conveys the foam gel powder into the grouting pipe through the Venturi pipe, and the foam gel powder box and the stirring device uniformly mix the foam gel powder and the grouting pipe when the foam gel powder box and the grouting pipe are conveyed to the lower end of the grouting pipe and then input into the goaf. The invention has simple operation, can fully mix the concrete slurry and the foam gel powder, ensures the uniformity of material mixing, is energy-saving and environment-friendly, and is beneficial to popularization.
Drawings
FIG. 1 is a schematic structural diagram of a rapid-curing foam material filling device for an underground goaf of a mine.
FIG. 2 is a schematic structural diagram of a venturi tube in the mine underground goaf rapid-curing foam material filling equipment.
FIG. 3 is a schematic structural diagram of a stirring blade in the mine underground goaf rapid-curing foam material filling equipment.
FIG. 4 is a process flow diagram of the mine underground goaf rapid-curing foam material filling equipment.
In the figure: 1-motor, 2-bracket, 3-grouting pump, 4-venturi tube, 5-closeable hopper, 6-foam gel powder box, 7-blower, 8-protective wall casing, 9-base, 10-cement paste, 11-sealing material, 12-gland, 13-grouting pipe, 14-rotating shaft, 15-stirring blade and 16-goaf.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1, a structural diagram of a mine underground gob rapid-curing foam material filling apparatus provided by an embodiment of the present invention includes: the grouting pipe 13, the grouting pipe 13 is inserted into the goaf 16;
the grouting pump 3 is communicated with the upper end of the grouting pipe 13, and the grouting pump 3 is externally connected with concrete slurry;
the venturi tube 4 is arranged on the grouting pipe 13 and is arranged at the lower section of the communication part of the grouting pump 3 and the grouting pipe 13;
the stirring device is used for mixing the lower section inside the grouting pipe 13;
and a foam gel powder tank 6 which communicates with the converging portion of the venturi tube 4 and which feeds foam gel powder into the grouting pipe 13.
In the embodiment of the invention, the grouting pipe 13 is inserted into the goaf below the ground, the grouting pump 3 operates to input concrete slurry into the grouting pipe 13, meanwhile, the foam gel powder box 6 conveys foam gel powder into the grouting pipe 13 through the venturi tube 4, and the stirring device uniformly mixes the foam gel powder and the foam gel powder when the foam gel powder box and the foam gel powder are conveyed to the lower end of the grouting pipe 13 and then inputs the mixture into the goaf 16. The invention has simple operation, can fully mix the concrete slurry and the foam gel powder, ensures the uniformity of material mixing, is energy-saving and environment-friendly, and is beneficial to popularization.
As shown in fig. 1 to 3, as a preferred embodiment of the present invention, the stirring device includes a rotating shaft 14 inserted into the grouting pipe 13 and a stirring blade 15 fixedly mounted on the rotating shaft 14, and the rotating shaft 14 rotates to drive the stirring blade 15 to rotate to mix the concrete and the foamed gel powder entering the bottom of the grouting pipe 13.
In order to drive the rotating shaft 14 to rotate, the electric motor 1 is further included, and the electric motor 1 is in transmission connection with the rotating shaft 14.
In order to be fixedly installed on the motor 1, the invention further comprises a bracket 2, wherein the bracket 2 is fixedly installed on the ground; the motor 1 is fixedly mounted on the bracket 2.
The grouting pipe 13 is arranged higher than the ground, and the higher part is fixedly connected with the bracket 2. The grouting pump 3 is communicated with the side surface of the ground part where the grouting pipe 13 leaks. The foam gel powder box 6 is fixed on the ground and is communicated with the side surface of the ground door where the venturi tube 4 leaks.
The invention also comprises a retaining wall sleeve 8, wherein the retaining wall sleeve 8 is inserted into the grouting hole, the upper part of the retaining wall sleeve 8 exceeds the ground, the bottom of the retaining wall sleeve 8 extends into the stable basement layer, and the retaining wall sleeve 8 is arranged to fix the hole wall and facilitate hole digging; the grout pipe 13 passes through the inside of the retaining wall sleeve 8 and is arranged to facilitate the stabilization of the grout pipe 13.
And a filling material is arranged between the wall protection sleeve 8 and the grouting pipe 13, and the filling material is grouting pipe sealing material 11. This arrangement facilitates the fixing of the grout tube 13.
The bottom of the bracket 2 is fixedly arranged on a base 9, and the base 9 is fixedly arranged on the ground; the base 9 and the support 2 are both made of steel, and the support 2 and the base 9 are riveted and fixed; and round holes with the same diameter as the retaining wall sleeve 8 and the grouting pipe 13 are arranged in the middle of the base 9 and are arranged in a protruding mode upwards along the round holes, and the protruding mode is about 100 mm.
In order to improve the stability between the devices, the base 9 and the retaining wall sleeve 8 are fixedly connected, and the specific part of the retaining wall sleeve 8 protruding from the ground is riveted with the base 9.
The top of the grouting pipe 13 is riveted with the support 2, and the upper end of the part, exposed out of the ground, of the grouting pipe 13 is provided with a hole communicated with the grouting pump 3.
The outer side of the foam gel powder box 6 is connected with the exhaust end of a blower 7, and the blower 7 blows powder in the foam gel powder box 6 into a grouting pipe 13 through a Venturi tube 4.
The stirring blade 15 is provided in plurality.
In order to enhance the sealing effect of the orifice, a gland 12 is arranged at the reducing part of the drill hole, so that the gland 12 is placed at the reducing part of the drill hole, and sealing materials 11 such as fine sand or silt are buried from the gland to the orifice section.
The foam gel powder box 6 is also provided with a closeable hopper 5 for adding materials into the foam gel powder box 6.
As shown in fig. 4, a convenient method for using the rapid solidification foam material filling equipment for the underground mined-out area of the mine provided by the embodiment of the invention comprises the following steps:
step one, manufacturing a grouting hole: firstly, a deep geological drilling machine or a down-the-hole hammer is adopted to drill a hole to complete bedrock, a retaining wall casing 8 is placed downwards, and a cement slurry 10 is used for fixing the casing; the diameter is changed, the drilling is continued to penetrate to the goaf 16, then the height and the range of the goaf 16 are measured, and the feeding amount is determined; finally, the retaining wall bushing 8 is riveted to the base 9 of the ground surface.
Step two, manufacturing and installing a support: the motor metal support 2 is riveted with the base 9 by adopting a customized high-strength steel material.
Step three, manufacturing and installing the grouting pipe 13 and the stirring device: the grouting pipe 13 is a thin-wall steel pipe with the diameter of 32-40 mm, the length of each section is 3-5 m, or the grouting pipe is customized according to needs, and the grouting pipe is connected with the grouting pipe through screw threads; the motor rotating shaft 14 is 38mm in shaft diameter, each section is 3-5 m long, or the motor rotating shaft is customized according to needs, and the middle of the motor rotating shaft is connected through a flange. A grouting pipe 13 extends into the wall protection sleeve 8 and downwards reaches the top of the goaf, and an upper end interface of the grouting pipe 13 is fixed with the ground base 9 and the motor metal bracket 2; the stirring device is connected with a motor rotating shaft 14, extends into the grouting pipe 13 and is placed at the bottom of the grouting pipe 13, and the motor 1 is fixed on the motor metal bracket 2. In order to enhance the sealing effect of the orifice, a gland 12 is arranged at the reducing part of the drill hole, so that the gland 12 is placed at the reducing part of the drill hole, and sealing materials 11 such as fine sand or silt are buried from the gland to the orifice section.
Grouting operation: the grouting pump 3 is connected with the upper grouting pipe of the Venturi tube 4 through an open hole, the foam gel powder box 6 is connected with the side hole of the Venturi tube 4, the motor 1 and the air blower 7 are firstly opened, then the grouting pump 3 is opened to start grouting, concrete slurry conveyed by the grouting pump 3 is mixed with foam gel powder, the mixture is rapidly and uniformly mixed by stirring of the stirring device and is rapidly solidified after being injected into the goaf 16, segmented layered grouting is adopted, and grouting is continued after a period of time, namely, the solidification is waited to reach the estimated strength.
Specifically, in the first step, the opening diameter D1 of the grouting hole is 175mm, and the diameter D2 of the reducing final hole is 75 mm.
In the second step, the motor metal support 2 is made of a high-strength steel material in a customized mode, and the motor 1 is fixedly placed on the motor metal support 2 and can play a role in fixing and damping.
In the third step, the stirring device is made by processing and improving the stirring blades 15, the bottom of the stirring device is flush with the bottom of the grouting pipe 13, when the grouting pipe 13 is installed, the length is calculated in advance, the grouting pipe 13 is installed in sections, and the stirring device and the rotating shaft 14 are installed in sections.
In the fourth step, a closable hopper 5 is arranged on the foam gel powder box 6, and powder is added in time when the powder in the box is about to run out; the injection pipe 13 and the stirring device are lubricated with cement mortar before grouting, and a pumping agent for preventing the segregation and blockage of concrete mixture in a pumping pipeline is injected into the pumped concrete slurry. The whole grouting process adopts a sectional and layered grouting operation mode.
The prepared foam quick-setting concrete is injected into an underground dead zone, the injection is stopped after a certain amount of the prepared foam quick-setting concrete is injected, the injection of concrete slurry and foam gel powder can be stopped after the first batch of foam quick-setting concrete is poured, and the injection of the concrete slurry and the foam gel powder is continued according to the flow after the setting time of the foam quick-setting concrete is reached; the amount of the foam quick-setting concrete injected each time and the setting time are determined by the volume of the underground empty area.
The embodiment of the invention is simple to operate, can fully mix the concrete slurry and the foam gel powder, ensures the uniformity of material mixing, is energy-saving and environment-friendly, and is beneficial to popularization.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims (10)

1. The utility model provides a mine underground gob rapid hardening foam material filling equipment which characterized in that includes: the grouting pipe is inserted into the goaf;
the grouting pump is communicated with the upper end of the grouting pipe and is externally connected with concrete slurry;
the Venturi tube is arranged on the grouting pipe and is arranged at the lower section of the communication part of the grouting pump and the grouting pipe;
the stirring device is used for mixing the lower section in the grouting pipe;
and a foam gel powder box which is communicated with the convergent part of the Venturi tube and used for inputting foam gel powder into the grouting pipe.
2. The mine underground gob rapid-curing foam material filling apparatus as set forth in claim 1, wherein the stirring means comprises a rotating shaft inserted into the interior of the grout pipe and a stirring blade fixedly mounted on the rotating shaft, the rotating shaft being self-rotating.
3. The mine underground gob rapid-curing foam material filling apparatus as recited in claim 2, further comprising an electric motor drivingly connected to the rotating shaft.
4. The mine underground gob rapid-curing foam material filling apparatus according to claim 3, further comprising a support frame fixedly installed on the ground.
5. The mine underground gob rapid-curing foam material filling apparatus as set forth in claim 4, wherein the motor is fixedly mounted on a support.
6. The mine underground gob rapid-curing foam material filling apparatus according to claim 4, wherein the grout pipe is disposed above the ground, and the elevated portion is fixedly connected to the support.
7. The mine underground gob rapid-curing foam material filling apparatus according to claim 1, further comprising a retaining wall sleeve that is inserted into the grouting hole.
8. The mine underground gob rapid-curing foam material filling apparatus according to claim 7, wherein a filler is provided between the retaining wall sleeve and the grout pipe.
9. A construction method of the rapid-curing foam material filling equipment for the underground mined-out area of the mine according to any one of claims 1 to 8, characterized by comprising the following steps:
manufacturing a grouting hole;
manufacturing and installing a bracket; manufacturing and installing a grouting pipe and a stirring device;
and (6) grouting operation.
10. The mine underground goaf rapid-curing foam material filling equipment as claimed in claim 9, wherein a grouting pump is connected with an open hole of a grouting pipe at the upper part of a venturi tube, a foam gel powder box is connected with a side hole of the venturi tube, a motor and a blower are firstly turned on, then the grouting pump is turned on to start grouting, concrete slurry delivered by the grouting pump is mixed with the foam gel powder, the mixture is rapidly and uniformly mixed by stirring of a stirring device, and the mixture is rapidly solidified after being injected into the goaf.
CN202010907550.7A 2020-09-01 2020-09-01 Mine underground goaf rapid-curing foam material filling equipment and construction method thereof Pending CN112065501A (en)

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Application Number Priority Date Filing Date Title
CN202010907550.7A CN112065501A (en) 2020-09-01 2020-09-01 Mine underground goaf rapid-curing foam material filling equipment and construction method thereof

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114247331A (en) * 2022-01-19 2022-03-29 中煤科工集团西安研究院有限公司 Top plate horizontal well tail end double-material mixing device and system and filling-following solidification method
CN116971788A (en) * 2023-09-22 2023-10-31 中铁十六局集团有限公司 Method for hydraulic filling of karst cave of underwater tunnel

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH10131699A (en) * 1996-10-31 1998-05-19 Ohbayashi Corp Cavity filling method
CN103570375A (en) * 2013-10-10 2014-02-12 中国矿业大学 Preparation method and device of foam gel for coal spontaneous combustion treatment
CN203577805U (en) * 2013-11-05 2014-05-07 河海大学 Mixed reaction equipment
CN203702247U (en) * 2013-12-30 2014-07-09 王瑞 Rapid plugging device
CN208280121U (en) * 2018-04-16 2018-12-25 刘孟飞 A kind of grouting and reinforcing device in geotechnical engineering
CN110630321A (en) * 2019-10-29 2019-12-31 中冶沈勘秦皇岛工程设计研究总院有限公司 Goaf on-well filling equipment and method thereof
CN110788997A (en) * 2019-11-07 2020-02-14 陈舸 Foam concrete filling device and application thereof and foam concrete filling method

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH10131699A (en) * 1996-10-31 1998-05-19 Ohbayashi Corp Cavity filling method
CN103570375A (en) * 2013-10-10 2014-02-12 中国矿业大学 Preparation method and device of foam gel for coal spontaneous combustion treatment
CN203577805U (en) * 2013-11-05 2014-05-07 河海大学 Mixed reaction equipment
CN203702247U (en) * 2013-12-30 2014-07-09 王瑞 Rapid plugging device
CN208280121U (en) * 2018-04-16 2018-12-25 刘孟飞 A kind of grouting and reinforcing device in geotechnical engineering
CN110630321A (en) * 2019-10-29 2019-12-31 中冶沈勘秦皇岛工程设计研究总院有限公司 Goaf on-well filling equipment and method thereof
CN110788997A (en) * 2019-11-07 2020-02-14 陈舸 Foam concrete filling device and application thereof and foam concrete filling method

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114247331A (en) * 2022-01-19 2022-03-29 中煤科工集团西安研究院有限公司 Top plate horizontal well tail end double-material mixing device and system and filling-following solidification method
CN114247331B (en) * 2022-01-19 2024-02-09 中煤科工集团西安研究院有限公司 Top plate horizontal well tail end double-material mixing device, system and solidification method during filling
CN116971788A (en) * 2023-09-22 2023-10-31 中铁十六局集团有限公司 Method for hydraulic filling of karst cave of underwater tunnel
CN116971788B (en) * 2023-09-22 2023-12-01 中铁十六局集团有限公司 Method for hydraulic filling of karst cave of underwater tunnel

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