CN220621884U - Underground movable grouting station - Google Patents
Underground movable grouting station Download PDFInfo
- Publication number
- CN220621884U CN220621884U CN202322354716.9U CN202322354716U CN220621884U CN 220621884 U CN220621884 U CN 220621884U CN 202322354716 U CN202322354716 U CN 202322354716U CN 220621884 U CN220621884 U CN 220621884U
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- Prior art keywords
- stirring tank
- coarse
- slurry
- fine
- stirring
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- 238000003756 stirring Methods 0.000 claims abstract description 116
- 239000002002 slurry Substances 0.000 claims abstract description 51
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 23
- 239000003638 chemical reducing agent Substances 0.000 claims description 4
- 238000004537 pulping Methods 0.000 abstract description 4
- 239000004568 cement Substances 0.000 description 24
- 238000010276 construction Methods 0.000 description 7
- 230000002787 reinforcement Effects 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 5
- 238000002156 mixing Methods 0.000 description 5
- 238000013019 agitation Methods 0.000 description 4
- 239000003245 coal Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 239000011435 rock Substances 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000003673 groundwater Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Abstract
A downhole movable grouting station comprises a wheel chassis, a mounting platform, a screw propeller, a coarse slurry stirring tank, a fine slurry stirring tank and a slurry pump. The wheel type chassis is provided with a mounting platform, the spiral propeller is obliquely fixed on the mounting platform, and the coarse pulp stirring tank and the fine pulp stirring tank are vertically fixed on the mounting platform in parallel and are vertically communicated through an overflow pipe. One side of the top of the coarse pulp stirring pool is provided with a feed inlet which is positioned below the discharge port of the spiral propeller, one side of the coarse pulp stirring pool is provided with a water supply port, the middle part of the coarse pulp stirring pool is provided with a stirring shaft which is rotationally connected with the coarse pulp stirring pool, the stirring shaft vertically penetrates through the coarse pulp stirring tank downwards and stretches into the fine pulp stirring tank downwards, two stirrers are arranged on the stirring shaft and are respectively positioned in the coarse pulp stirring tank and the fine pulp stirring tank. The bottom of the fine slurry stirring tank is provided with a discharge hole, and the discharge hole is connected with a slurry pump through a conveying pipeline. The grouting station improves the pulping efficiency and quality, reduces the labor intensity and is environment-friendly.
Description
Technical Field
The utility model relates to the technical field of pulping grouting equipment, in particular to a downhole movable grouting station.
Background
Grouting technology, which is commonly called grouting in coal industry and grouting in hydropower industry, is a technology of preparing one or more materials into slurry, pressing the slurry into fractured aquifer or weak stratum for solidification by using pressure-feeding equipment, and performing water shutoff or reinforcement. The grouting technology is widely applied to various mine projects, constructional projects, military projects, hydraulic and hydroelectric projects, traffic and transportation projects and the like from 1802 French to over 200 years, and is one of key technologies for solving project water damage, rock and soil reinforcement and guaranteeing construction safety.
Along with the continuous development of mine production, construction and underground engineering construction projects in China, grouting technology is increasingly widely applied, such as pit shaft ground pre-grouting, foundation reinforcement, seepage prevention grouting, curtain grouting of coal mine, iron ore, copper mine, non-ferrous metal mine closure groundwater, rotary grouting, working face grouting, bottom plate reinforcement grouting, wall post grouting and the like.
Because the underground rock stratum forms are quite different, the sizes of cracks and karst cave are different, the grouting engineering is different in scale, a complete cement slurry preparation system is needed to ensure the success of grouting, a ground grouting station can realize continuous grouting, more convenient grouting and grouting is more suitable for mass grouting, and the grouting system is an important infrastructure for the coal mine water control engineering, but has complex construction site procedures and high construction cost and is suitable for large-scale mines. Compared with a ground grouting station, the underground temporary grouting station has the advantages of short construction period and small investment. However, the existing underground grouting station has high labor intensity and poor grouting effect.
In order to reduce labor intensity and improve underground pulping quality, underground movable grouting stations are independently designed according to the experience of underground grouting throughout the year of our company through serious analysis.
Disclosure of Invention
Aiming at the problems and the defects existing in the prior art, the utility model provides a downhole mobile grouting station.
The technical scheme of the utility model is as follows:
a downhole movable grouting station comprises a wheel chassis, a mounting platform, a screw propeller, a double-layer rapid stirrer and a slurry pump. The wheel type chassis is provided with a mounting platform, the spiral propeller is obliquely fixed on the mounting platform, the double-layer rapid stirrer and the slurry pump are fixed on the mounting platform, and the double-layer rapid stirrer and the slurry pump are positioned on one side of a discharge hole of the spiral propeller. The double-layer rapid stirrer comprises a coarse pulp stirring tank and a fine pulp stirring tank which are arranged in parallel up and down, and the coarse pulp stirring tank and the fine pulp stirring tank are communicated through an overflow pipe. One side of the top of the coarse pulp stirring pool is provided with a feed inlet which is positioned below the discharge port of the spiral propeller, one side of the coarse pulp stirring pool is provided with a water supply port, the middle part of the coarse pulp stirring pool is provided with a stirring shaft which is rotationally connected with the coarse pulp stirring pool, the stirring shaft vertically penetrates through the coarse pulp stirring tank downwards and stretches into the fine pulp stirring tank downwards, two stirrers are arranged on the stirring shaft and are respectively positioned in the coarse pulp stirring tank and the fine pulp stirring tank. The bottom of the fine slurry stirring tank is provided with a discharge hole, and the discharge hole is connected with a slurry pump through a conveying pipeline.
In order to ensure that the coarse pulp stirring tank and the fine pulp stirring tank can achieve the best stirring effect, the centers of the coarse pulp stirring tank and the fine pulp stirring tank are aligned up and down, and the stirrer adopts a frame stirrer.
Specifically, thick liquid stirring pond includes jar body and top cap, and the central authorities of top cap lower part rotate and connect the (mixing) shaft, and the (mixing) shaft top is connected with the output of reduction gear through the axle connector, and the motor is connected to the input of reduction gear, drives the (mixing) shaft through the motor through the reduction gear speed again and rotates. The feeding hole and the water inlet are arranged on the top cover, the feeding hole is positioned below the spiral propeller, the water inlet is connected with the water supply pipe, and dry cement and water are conveniently put into the coarse pulp stirring pool. A shaft seal is arranged at the matching position of the bottom of the coarse pulp stirring tank and the stirring shaft, so that slurry in the coarse pulp stirring tank is prevented from leaking.
The overflow pipe is a groove-shaped bent pipe, an upper end inlet is connected with the side wall of the coarse pulp stirring tank, a lower end outlet is connected with the side wall of the fine pulp stirring tank, and a discharge hole on the fine pulp stirring tank is positioned below the overflow pipe. Butterfly valves are arranged on the overflow pipe and the discharge port and used for controlling the connection and disconnection among the coarse pulp stirring pool, the fine pulp stirring pool and the slurry pump.
The beneficial effects of the utility model are as follows:
after water and cement are fully mixed through the double-layer stirrer, the mixed cement slurry automatically flows to a fine slurry tank through a high-level overflow pipe, so that the slurry making efficiency is improved, and the slurry uniformity of the cement slurry is ensured. Reduces labor intensity, cement dust emission, and is environment-friendly and sanitary.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
1. a wheeled chassis; 2. a mounting platform; 3. a screw propeller; 4. a double-layer rapid stirrer; 5. a coarse pulp stirring tank; 6. a fine pulp stirring tank; 7. an overflow pipe; 8. a slurry pump; 51. a feed inlet; 52. a water inlet; 53. a stirring shaft; 54. a stirrer; 61. and a discharge port.
Detailed Description
The technical means adopted to achieve the intended purpose of the present utility model will be further described below with reference to the accompanying drawings in the embodiments of the present utility model.
Referring to fig. 1, a downhole mobile grouting station comprises a wheel chassis 1, a mounting platform 2, a screw propeller 3, a double-layer rapid stirrer 4 and a slurry pump 8. The wheel type chassis 1 is provided with a mounting platform 2, and the screw propeller 3 is obliquely fixed on the mounting platform 2 and is used for conveying the dry cement detached from the cement bag into the double-layer rapid mixer 4. The double-layer rapid mixer 4 and the slurry pump 8 are fixed on the mounting platform 2 and positioned on one side of the discharge hole 61 of the screw propeller 3. The double-layer rapid stirrer 4 comprises a coarse pulp stirring tank 5 and a fine pulp stirring tank 6 which are arranged in parallel up and down, and the coarse pulp stirring tank 5 and the fine pulp stirring tank 6 are communicated through an overflow pipe 7. The top of the coarse pulp stirring tank 5 is provided with a feed inlet 51 at one side, below a discharge port 61 of the screw propeller 3, one side is provided with a water supply port, the middle is provided with a stirring shaft 53 rotationally connected with the feed inlet, the stirring shaft 53 vertically penetrates through the coarse pulp stirring tank 5 downwards and stretches into the fine pulp stirring tank 6 downwards, the stirring shaft 53 is provided with two stirrers 54, and the two stirrers are arranged in parallel up and down and are respectively positioned in the coarse pulp stirring tank 5 and the fine pulp stirring tank 6. The bottom of the refined pulp stirring pool 6 is provided with a discharge hole 61, and the discharge hole 61 is connected with a slurry pump 8 through a conveying pipeline.
The coarse slurry stirring tank 5 is used for primarily mixing dry cement and water, slurry materials which are primarily stirred uniformly enter the fine slurry stirring tank 6 through the overflow pipe 7 to be further stirred and mixed, and then the slurry materials which are finely stirred enter the slurry pump 8 through the discharge hole 61, and are conveyed to a position to be grouting reinforced or a water plugging drill hole through the slurry pump 8.
In order to achieve the best stirring effect of the coarse pulp stirring tank 5 and the fine pulp stirring tank 6, the centers of the coarse pulp stirring tank 5 and the fine pulp stirring tank 6 are aligned up and down.
Specifically, the coarse pulp stirring tank 5 comprises a tank body and a top cover, the center of the lower part of the top cover is rotationally connected with a stirring shaft 53, the top of the stirring shaft 53 is connected with the output end of a speed reducer through a coupling, the input end of the speed reducer is connected with a motor, and the stirring shaft 53 is driven to rotate after being decelerated by the motor through the speed reducer. The agitator 54 is rotatably connected to the top cover by a bearing, passes downward through the inside of the coarse pulp agitation tank 5, passes through the bottom of the coarse pulp agitation tank 5 and then extends downward from the top of the fine pulp agitation tank 6 into the inside of the fine pulp agitation tank 6. The stirrer 54 is arranged on the stirring shaft 53 section positioned in the coarse pulp stirring tank 5 and the purified pulp stirring tank, and the frame stirrer 54 is adopted.
The feed inlet 51 and the water inlet 52 are arranged on the top cover, the feed inlet 51 is positioned below the spiral propeller 3, the water inlet 52 is connected with a water supply pipe, and dry cement and water are conveniently put into the coarse pulp stirring pool 5. A shaft seal is arranged at the matching position of the bottom of the coarse pulp stirring tank 5 and the stirring shaft 53, so that the slurry in the coarse pulp stirring tank 5 is prevented from leaking.
The overflow pipe 7 is a groove-shaped bent pipe, an upper end inlet is connected with the side wall of the coarse pulp stirring tank 5, a lower end outlet is connected with the side wall of the fine pulp stirring tank 6, and a discharge hole 61 on the fine pulp stirring tank 6 is positioned below the overflow pipe 7. Butterfly valves are arranged on the overflow pipe 7 and the discharge hole 61 and used for controlling the connection and disconnection among the coarse pulp stirring pool 5, the fine pulp stirring pool 6 and the slurry pump 8.
Working principle of mobile grouting station:
the bagged cement is sent to a belt conveyor by utilizing a pneumatic gripper, the belt conveyor sends the cement to an automatic bagged cement bag-opening machine, the cement after bag opening falls into a cement hopper, the cement bag is sent out from a bag outlet, the cement in the cement hopper is sent to a coarse slurry stirring tank 5 by utilizing a metering screw propeller 3, and after being mixed and stirred with water, the cement enters a fine slurry stirring tank 6 through an overflow pipe 7 to be continuously stirred, and the prepared cement slurry is sent to grouting reinforcement and water shutoff drilling holes by utilizing a slurry pump 8.
The underground movable grouting station adopts a double-layer stirrer for stirring and mixing, water and cement are fully mixed through the coarse slurry stirring tank, and mixed cement slurry automatically flows to the fine slurry stirring tank through the high-order overflow pipe for further stirring, so that the pulping efficiency is improved, and the slurry uniformity of the cement slurry is also ensured.
Through practice, the movable grouting station has the advantages of short construction period, small investment, labor intensity reduction, cement dust reduction, environmental protection and sanitation, and suitability for shaft ground pre-grouting, foundation reinforcement, seepage-proofing grouting and the like.
While the preferred embodiments of the present utility model have been described above, the present utility model is not limited to the above embodiments and examples, and various changes, equivalent substitutions, modifications and the like, which are within the knowledge of those skilled in the art, are intended to be included within the scope of the present utility model without departing from the spirit of the present utility model.
Claims (10)
1. A mobile grouting station downhole, comprising:
the wheel chassis (1) is provided with a mounting platform (2);
the spiral propeller (3) is obliquely fixed on the mounting platform (2);
the device is characterized by further comprising a double-layer rapid stirrer (4) and a slurry pump (8) which are fixed on the mounting platform (2), wherein the double-layer rapid stirrer (4) comprises a coarse slurry stirring tank (5) and a fine slurry stirring tank (6) which are arranged in parallel up and down, and the coarse slurry stirring tank (5) and the fine slurry stirring tank (6) are communicated through an overflow pipe (7);
a feed inlet (51) is formed in one side of the top of the coarse pulp stirring pool (5), a water supply port is formed in one side of the coarse pulp stirring pool, which is positioned below a discharge port (61) of the spiral propeller (3), and a stirring shaft (53) which is rotationally connected with the coarse pulp stirring pool is arranged in the middle of the coarse pulp stirring pool; the stirring shaft (53) vertically penetrates through the coarse pulp stirring tank (5) downwards and extends into the fine pulp stirring tank (6) downwards, two stirrers (54) are arranged on the stirring shaft (53) and are respectively positioned in the coarse pulp stirring tank (5) and the fine pulp stirring tank (6);
the bottom of the fine slurry stirring tank (6) is provided with a discharge hole (61), and the discharge hole (61) is connected with a slurry pump (8).
2. A downhole mobile grouting station according to claim 1, wherein the centers of the coarse and fine slurry stirring tanks (5, 6) are aligned up and down.
3. The underground mobile grouting station according to claim 2, wherein the coarse slurry stirring tank (5) comprises a tank body and a top cover, the center of the lower part of the top cover is rotatably connected with a stirring shaft (53), and the upper end of the stirring shaft (53) is connected with a motor and a speed reducer.
4. A downhole mobile grouting station according to claim 3, wherein the inlet opening (51) and the inlet opening (52) are arranged on the top cover, the inlet opening (51) is located below the screw propeller (3), and the inlet opening (52) is connected with the water supply pipe.
5. The underground mobile grouting station as claimed in claim 4, wherein a shaft seal is arranged at the position where the bottom of the coarse slurry stirring tank (5) is matched with the stirring shaft (53).
6. A downhole mobile grouting station according to any of claims 1-4, wherein the overflow pipe (7) is a trough-shaped bent pipe, the upper inlet is connected with the side wall of the coarse pulp stirring tank (5), and the lower outlet is connected with the side wall of the fine pulp stirring tank (6).
7. A downhole mobile grouting station according to claim 6, wherein the outlet (61) is located below the overflow pipe (7).
8. A downhole mobile grouting station according to claim 7, wherein valves are provided on the overflow pipe (7) and the discharge port (61).
9. The downhole mobile grouting station of claim 8, wherein the valve is a butterfly valve.
10. A downhole mobile grouting station according to claim 9, wherein the agitator (54) is a frame agitator (54).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322354716.9U CN220621884U (en) | 2023-08-31 | 2023-08-31 | Underground movable grouting station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322354716.9U CN220621884U (en) | 2023-08-31 | 2023-08-31 | Underground movable grouting station |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220621884U true CN220621884U (en) | 2024-03-19 |
Family
ID=90235352
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322354716.9U Active CN220621884U (en) | 2023-08-31 | 2023-08-31 | Underground movable grouting station |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220621884U (en) |
-
2023
- 2023-08-31 CN CN202322354716.9U patent/CN220621884U/en active Active
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