CN220036726U - Goaf carbon dioxide mineralization grouting filling fire prevention and extinguishing system - Google Patents
Goaf carbon dioxide mineralization grouting filling fire prevention and extinguishing system Download PDFInfo
- Publication number
- CN220036726U CN220036726U CN202321492928.7U CN202321492928U CN220036726U CN 220036726 U CN220036726 U CN 220036726U CN 202321492928 U CN202321492928 U CN 202321492928U CN 220036726 U CN220036726 U CN 220036726U
- Authority
- CN
- China
- Prior art keywords
- goaf
- filling
- slurry
- carbon dioxide
- grouting
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000011049 filling Methods 0.000 title claims abstract description 140
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 title claims abstract description 56
- 229910002092 carbon dioxide Inorganic materials 0.000 title claims abstract description 28
- 239000001569 carbon dioxide Substances 0.000 title claims abstract description 28
- 230000033558 biomineral tissue development Effects 0.000 title claims abstract description 26
- 230000002265 prevention Effects 0.000 title claims abstract description 17
- 239000002002 slurry Substances 0.000 claims abstract description 123
- 238000002360 preparation method Methods 0.000 claims abstract description 17
- 238000002156 mixing Methods 0.000 claims abstract description 16
- 239000007788 liquid Substances 0.000 claims description 8
- 239000002994 raw material Substances 0.000 claims description 5
- 230000003139 buffering effect Effects 0.000 claims description 3
- 238000012806 monitoring device Methods 0.000 claims description 2
- 238000007569 slipcasting Methods 0.000 claims 4
- 238000013329 compounding Methods 0.000 claims 2
- 238000003756 stirring Methods 0.000 abstract description 14
- 238000007789 sealing Methods 0.000 abstract description 8
- 230000001089 mineralizing effect Effects 0.000 abstract 1
- 239000010881 fly ash Substances 0.000 description 11
- 238000005065 mining Methods 0.000 description 8
- 239000002910 solid waste Substances 0.000 description 8
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 7
- 239000003245 coal Substances 0.000 description 7
- 238000005553 drilling Methods 0.000 description 7
- 238000005187 foaming Methods 0.000 description 7
- 239000000463 material Substances 0.000 description 7
- 229910052760 oxygen Inorganic materials 0.000 description 7
- 239000001301 oxygen Substances 0.000 description 7
- 238000002485 combustion reaction Methods 0.000 description 6
- 230000002269 spontaneous effect Effects 0.000 description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 239000007789 gas Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 239000006260 foam Substances 0.000 description 3
- 239000004088 foaming agent Substances 0.000 description 3
- 239000012535 impurity Substances 0.000 description 3
- 239000003381 stabilizer Substances 0.000 description 3
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000002955 isolation Methods 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 238000007711 solidification Methods 0.000 description 2
- 230000008023 solidification Effects 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 1
- 239000010883 coal ash Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 239000012257 stirred material Substances 0.000 description 1
Landscapes
- Consolidation Of Soil By Introduction Of Solidifying Substances Into Soil (AREA)
Abstract
The utility model discloses a goaf carbon dioxide mineralization grouting filling fire prevention and extinguishing system, which belongs to the goaf treatment technical field and solves the problems in the prior art such asHow to improve the supporting strength of the goaf filling gangue and realize CO 2 Mineralization of (3). The utility model comprises a slurry preparation system and a filling system, and also comprises a managed grouting system, wherein the slurry preparation system comprises a conveying mechanism, a storage mechanism, a stirring mechanism and a mixing mechanism, the stirring mechanism is connected with the mixing mechanism through a connecting device, the filling system comprises a filling driving device and a slurry filling pipeline, the filling system is connected with the managed grouting system through the slurry filling pipeline, the managed grouting system comprises a carbon dioxide conveying pipeline and a goaf embedded pipe, and a gas outlet hole is formed in the goaf embedded pipe. The utility model can improve the strength of the goaf filling support and combine the slurry with CO through the grouting filling system 2 Mixing to realize CO 2 Mineralizing and sealing.
Description
Technical Field
The utility model belongs to the technical field of goaf treatment, and particularly relates to a goaf carbon dioxide mineralization grouting filling fire prevention and extinguishing system.
Background
In recent years, many coal mines form many large-area goafs due to years of mining, and accidents such as surface subsidence and ground subsidence occur frequently in many mining areas due to the influence of the goafs, so that not only are a large number of land resources such as forest lands and farmlands and important traffic roads and civil buildings destroyed, but also the life and property safety of people nearby the mining areas is seriously threatened. Therefore, an effective grouting technology is researched to improve the strength of the goaf filling support, and the alleviation of the earth surface subsidence is of great importance to the surrounding environment of the mining area. On the other hand, the working face goaf is also a key area for fire occurrence, a plurality of influencing factors of natural ignition of the goaf are observed, and oxygen isolation is a relatively efficient method, so that how to perform grouting and leakage blocking on an air leakage channel generated by gangue cracks is a key concern for effectively performing oxygen isolation of the goaf.
In conclusion, how to improve the supporting strength of the goaf filling gangue and realize CO 2 Is a problem to be solved in the field, and is to prevent the occurrence of natural fire in goaf.
Disclosure of Invention
The utility model provides a goaf carbon dioxide mineralization grouting filling fire prevention and extinguishing system aiming at the technical problems in the prior art.
In order to solve the technical problems, the utility model comprises a slurry preparation system and a filling system, and also comprises a managed grouting system, wherein the slurry preparation system comprises a conveying mechanism, a storage mechanism, a stirring mechanism and a mixing mechanism, the stirring mechanism is connected with the mixing mechanism through a connecting device, the filling system comprises a filling driving device and a slurry filling pipeline, the filling system is connected with the managed grouting system through the slurry filling pipeline, the managed grouting system comprises a carbon dioxide conveying pipeline and a goaf embedded pipe, and a gas outlet hole is formed in the goaf embedded pipe.
The conveying mechanism is provided with a feeder, the mixing mechanism is provided with a receiving hopper, and the receiving hopper is used for buffering and temporarily storing slurry.
The slurry preparation system is also provided with a transfer mechanism, the transfer mechanism is used for transferring slurry raw materials, the storage mechanism is connected with the conveying mechanism, and the slurry preparation system is connected with the filling system.
The slurry filling pipeline comprises a slurry filling main pipe, a slurry filling branch pipe and a slurry filling support pipe, wherein the slurry filling main pipe is connected with the slurry filling branch pipe, and the slurry filling branch pipe is connected with the slurry filling support pipe.
The slurry filling main pipe is arranged on the side of the track gate and the goaf entry, the slurry filling branch pipe is arranged in the working face, and the slurry filling main pipe is arranged in the goaf.
The slurry filling pipe is sequentially provided with a plurality of slurry filling pipes which are arranged, and the slurry filling pipe is connected with a control valve and a flow monitoring device.
The slurry filling branch pipe and the slurry filling support pipe are both fixed on a hydraulic support arranged on the working face.
The carbon dioxide conveying pipeline is arranged in the track gateway, and the end part of the carbon dioxide conveying pipeline is connected with the goaf embedded pipe.
The goaf embedded pipe is arranged on the goaf stoping roadway side and extends into the goaf, and a plurality of vent holes are uniformly formed in the surface of the goaf embedded pipe and are used for injecting CO into the goaf after grouting 2 。
The goaf embedded pipe is a rubber pipe, and at least one goaf embedded pipe is arranged.
Compared with the prior art, the utility model has the following beneficial effects:
the utility model can isolate oxygen after the slurry is injected into the goaf to solidify by the grouting filling fire prevention and extinguishing system, thereby being used for preventing spontaneous combustion of residual coal in the goaf, and relieving surface subsidence and CO 2 Sealing and storing are utilized, and meanwhile, CO is realized 2 Is a mineralization of (a). On one hand, the slurry is prepared through materials, so that the slurry has supporting strength, foaming and perforating are carried out on the slurry, and the strength of filling and supporting of a goaf can be improved through mineralization filling and grouting, so that the influence of surface subsidence on the environment of a mining area is relieved.
On the other hand, slurry filling pipelines are paved on the underground goaf according to the actual filling requirement of the goaf of the working face, and CO is pre-buried in the caving region along with the exploitation of the working face 2 Conveying pipeline for conveying CO to goaf through pre-buried pipeline 2 CO is caused to 2 The reaction with the slurry is continuously carried out in the goaf, so that the strength of the solidified slurry is improved, and CO is realized 2 Mineralization and sealing of the water tank. According to the utility model, grouting and plugging are carried out on an air leakage channel generated by the goaf gangue crack, so that oxygen of the goaf is isolated, and spontaneous combustion of residual coal of the goaf is prevented.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments or the description of the prior art will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic layout of a slurry preparation system of the present utility model;
FIG. 2 is a schematic layout of the filling system and managed grouting system of the present utility model;
FIG. 3 is a schematic cross-sectional layout of the filling system of the present utility model;
FIG. 4 is a schematic cross-sectional view of the placement of the high-level grouting drill of the present utility model.
The symbol marks in the figures illustrate:
1. a mine car; 2. a screw feeder; 3. a coal ash storage bin; 4. an alkaline solid waste storage bin; 5. CO 2 A gas storage tank; 6. a receiving hopper; 7. a first mixer; 8. a water bin; 9. a second stirrer; 10. a filling pump; 11. filling main pipe with slurry; 12. slurry filling branch pipes; 13. slurry filling and supporting; 14. a high pressure hose; 15. reducing tee joint; 16. a hydraulic support; 17. a stop valve; 18. a flow meter; 19. gob entry side; 20. track gate; 21. a belt gate; 22. a pressurizing pump; 23. a carbon dioxide delivery conduit; 24. a goaf embedded pipe; 25. high-order grouting drilling; 26. a fracture zone; 27. slowly sinking the belt.
Detailed Description
In order to make the technical problems, technical schemes and beneficial effects to be solved more clear, the utility model is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
Referring to fig. 1 and 2, the utility model provides a goaf carbon dioxide mineralization grouting filling fire prevention and extinguishing system, which comprises a slurry preparation system and a filling system, and further comprises a managed grouting system, wherein the slurry preparation system comprises a conveying mechanism, a storage mechanism, a stirring mechanism and a mixing mechanism, the stirring mechanism is connected with the mixing mechanism through a connecting device, the filling system comprises a filling driving device and a slurry filling pipeline, the filling system is connected with the managed grouting system through the slurry filling pipeline, the managed grouting system comprises a carbon dioxide conveying pipeline 23 and a goaf embedded pipe 24, and the goaf embedded pipe 24 is provided with a gas emission hole. The utility model can isolate oxygen after the slurry is injected into the goaf for solidification through the managed grouting system, thereby being used for preventing spontaneous combustion of residual coal in the goaf, and relieving surface collapse and CO 2 Sealing and storing are utilized, and meanwhile, CO is realized 2 Is a mineralization of (a).
Specifically, as shown in fig. 1, the slurry preparation system is used for preparing filled slurry, and the slurry preparation system comprises a conveying mechanism, a transferring mechanism, a storage mechanism, a stirring mechanism and a mixing mechanism, wherein the storage mechanism is used for storing slurry raw materials, the slurry raw materials are transferred through the transferring mechanism and then conveyed to the stirring mechanism through the conveying mechanism for material stirring, and the stirred materials are conveyed to the mixing mechanism for slurry buffering and temporary storage.
In the embodiment, the slurry raw materials comprise fly ash, alkaline solid waste, gangue impurities, foaming agent, foam stabilizer, water and the like, the primarily mineralized fly ash slurry is prepared by mixing the fly ash and the alkaline solid waste in proportion, and then the slurry is foamed and perforated by adding the gangue impurities, the foaming agent and the foam stabilizer into the slurry.
Specifically, the transfer mechanism adopts a mine car 1, the conveying mechanism is provided with a screw feeder 2, and the storage mechanism is provided with a fly ash storage bin 3, an alkaline solid waste storage bin 4 and CO 2 Air tanks 5 for storing fly ash, alkaline excitation and CO respectively 2 The stirring mechanism is provided with a stirrer, and the material mixing mechanism adopts a material receiving hopper 6.
In the embodiment, after collecting the fly ash and the alkaline solid waste, the fly ash and the alkaline solid waste are respectively weighed, then are respectively conveyed to a fly ash storage bin 3 and an alkaline solid waste storage bin 4 for storage through a mine car 1, and then are conveyed to a first stirrer 7 through a screw feeder 2 for mixing and stirring, and mine water used in the stirring process is from a water bin 8 of a shaft bottom car yard. The lower extreme of first mixer 7 is connected with second mixer 9, and the material that stirs through first mixer 7 is carried in second mixer 9, and gangue impurity and foaming agent, the foam stabilizer that prepare simultaneously are carried in second mixer 9 through mine car 1, screw feeder 2 to stir the mixture to carry out the foaming trompil of preliminary mineralized fly ash thick liquid, the lower extreme of second mixer 9 is connected with hopper 6, and hopper 6 is as the thick liquid storage tank, and hopper 6 receives the foaming thick liquid from in the second mixer 9, and temporarily stores the thick liquid.
Further, the first stirrer 7 and CO 2 The air storage tank 5 is connected by CO 2 The gas storage tank 5 inputs CO into the slurry 2 The method is used for preparing the primarily mineralized fly ash slurry.
Further, the screw feeders 2 are provided with hoppers, and each screw feeder 2 conveys slurry materials through the hopper.
Further, as a preferred embodiment of the present utility model, a conveyor belt or other solid waste particle conveyor may be used as the conveyor mechanism.
As shown in fig. 1, the slurry preparation system is connected with the filling system, the slurry prepared by the slurry preparation system is stored in the receiving hopper, the receiving hopper is connected with the filling system, and the filling slurry is conveyed to the working face goaf through the filling system for filling.
Specifically, as shown in fig. 2, the receiving hopper 6 as a slurry storage tank is connected with the filling pump 10, the filling pump 10 is a filling driving device for providing power for a filling system, the other end of the filling pump 10 is connected with a slurry filling pipeline, the slurry filling pipeline comprises a slurry filling main pipe 11, a slurry filling branch pipe 12 and slurry filling supporting pipes 13, 19 are goaf roadway sides, 20 are track roadway sides, 21 are belt roadway sides, the slurry filling main pipe 11 is arranged on the track roadway sides 20 and the goaf roadway sides 19, and a pipeline connector is used for connecting a new pipeline every 100m so that the pipe can be conveniently removed and recovered along with the exploitation of a working face.
The end part of the filling pump 10 is connected with a slurry filling main pipe 11, the slurry filling main pipe 11 is connected with a high-pressure rubber pipe 14 through a pipeline connecting device, the other end of the high-pressure rubber pipe 14 is connected with a slurry filling branch pipe 12, and the slurry filling branch pipe 12 is arranged along the length direction of a working surface; because drill holes which are uniformly distributed are formed in advance on the goaf stoping roadway side, a plurality of slurry filling support pipes 13 are distributed on the drill holes, the outer ends of the slurry filling support pipes 13 are connected with the slurry filling branch pipes 12, and the inner ends of the slurry filling support pipes 13 extend into the drill holes of the goaf.
In the utility model, the adopted pipeline connecting device is a reducing tee 15, the slurry filling branch pipe 12 and the slurry filling support pipe 13 are both fixed on the hydraulic support 16, and pipe orifices extend into the goaf along the hole site, so that the slurry filling support pipe 13 in the working surface moves along with the movement of the hydraulic support 16 along with the continuous exploitation of the working surface, as shown in fig. 3.
Further, as a preferred embodiment of the present utility model, a stop valve 17 and a flow meter 18 are installed at the connection of each slurry filling pipe 13 and the slurry filling branch pipe 12 for precise transportation control of the filling slurry.
In this embodiment, when filling is performed, on the goaf entry side 19, the main pipe is removed once with each mining of 100m of the working face, so as to achieve the purpose of recycling the pipe.
Further, as shown in FIG. 2, CO 2 The air storage tank 5 is connected with a managed grouting system, and CO 2 The gas storage tank 5 is connected with the booster pump 22, the end connection of the booster pump 22 is provided with a carbon dioxide conveying pipeline 23, the carbon dioxide conveying pipeline 23 is arranged in the track gateway 20, the end of the carbon dioxide conveying pipeline 23 is connected with a goaf embedded pipe 24, the goaf embedded pipe 24 is arranged on the goaf stoping roadway side and stretches into the goaf, the length of the goaf embedded pipe 24 is set according to the actual width of the goaf, the goaf embedded pipe 24 can be laid in a pipeline connection mode or a sleeve connection mode, and a plurality of vent holes are uniformly formed in the surface of the goaf embedded pipe 24 and are used for injecting CO into the goaf after goaf grouting 2 。
In the embodiment, 3 goaf embedded pipes 24 are uniformly distributed in the goaf, and three uniformly arranged pipelines can lead CO to be discharged 2 And fully diffusing in the goaf.
Furthermore, in this embodiment, the goaf embedded pipe 24 is a rubber pipe with low cost, so that the recycling problem is not required to be considered.
Further, as shown in fig. 2, a high-level grouting drill 25 is arranged on a crack between the upper part of the gangue pile body of the goaf and the overlying strata, and the goaf is filled for the second time by driving the high-level grouting drill 25 to fill the gap between the falling gangue and the overlying strata and cover the gangue pile body, so that the deformation of the roadway is reduced.
Specifically, as shown in fig. 4, the high-level grouting drill 25 is arranged in a manner divided into two parts, i.e., a retaining side and a non-retaining side.
Gob entry side: drilling holes in the goaf at an elevation angle from a preset filling position at the upper part, wherein the final hole positions of the holes are positioned at the separation layer positions between the crack top and the slow sinking belt 27;
in the drilling process, the drilling needs to be sleeved, and the high-level slurry can play a role in plugging the cracks of the fracture zone 26 under the action of gravity, so that the sleeve is recycled after the completion of the process.
Gob side not left in lane: drilling holes are formed in one side of the belt gateway towards the upper portion of the goaf, the final hole is located at a separation layer position between the crack top and the slow sinking belt 27, and the drilling holes and the working face supporting tubes are both pushed forward along with the pushing of the working face.
Under the action of the filling pump 10 and the pressurizing pump 22, the uniformly stirred filling slurry is continuously conveyed to a working face goaf through a filling system, and after grouting is finished, CO 2 Under the action of the managed grouting system, the slurry is conveyed into the gangue gaps of the goaf and uniformly diffused, so that on one hand, the slurry and the fly ash slurry continuously and fully react in the gangue filling area to generate stable solid carbonate; on the other hand can also convert CO 2 The slurry is sealed in the holes after foaming, so that the supporting strength of the slurry after solidification is improved, and the secondary mineralization of the goaf is realized.
The utility model performs grouting filling on the goaf caving gangue through the grouting filling system, and is used for preventing goaf residual coal from spontaneous combustion, relieving earth surface collapse and filling CO 2 Sealing and storing are utilized, and meanwhile, CO is realized 2 Is a mineralization of (a). On one hand, the slurry is prepared through materials, so that the slurry has supporting strength, foaming and perforating are carried out on the slurry, and the strength of filling and supporting of a goaf can be improved through mineralization filling and grouting, so that the influence of surface subsidence on the environment of a mining area is relieved. On the other hand, slurry filling pipelines are paved on the underground goaf according to the actual filling requirement of the goaf of the working face, and along with the exploitation of the working face, the slurry filling pipelines are pre-paved in the caving regionBuried CO 2 Conveying pipeline for conveying CO to goaf through pre-buried pipeline 2 CO is caused to 2 The reaction with the slurry is continuously carried out in the goaf, so that the strength of the solidified slurry is improved, and CO is realized 2 Mineralization and sealing of the water tank. According to the utility model, grouting and plugging are carried out on an air leakage channel generated by the goaf gangue crack, so that oxygen of the goaf is isolated, and spontaneous combustion of residual coal of the goaf is prevented.
The utility model carries out goaf mineralization grouting filling by a grouting filling fire prevention and extinguishing system, and utilizes the grouting filling system to collect CO respectively 2 And making slurry, foaming and perforating the slurry, installing a filling system and a managed grouting system, filling, drilling high-order grouting holes, and calculating CO required by goaf 2 Is injected into goaf 2 The slurry fills the goaf to collapse the gangue, so that the goaf is effectively filled, and the pores in the slurry after foaming can also be used for CO 2 And (5) absorbing and sealing.
The strength of the goaf filling support can be improved through mineralized filling grouting, so that the influence of the ground surface subsidence on the mining area environment is relieved; by mixing the slurry with CO 2 Mixing, utilizing alkaline minerals in the slurry to generate stable solid carbonate, realizing CO 2 Sealing and storing and utilizing; and the air leakage channel generated by the goaf gangue crack is subjected to grouting and leakage stopping, so that oxygen in the goaf is isolated, the requisite condition required by ignition is destroyed, and finally, the aim of preventing spontaneous combustion of residual coal in the goaf is achieved.
In the description of the present utility model, it should be understood that the directions or positional relationships such as the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.
Claims (10)
1. The utility model provides a goaf carbon dioxide mineralization slip casting fills fire prevention and extinguishing system, includes thick liquid preparation system and filling system, its characterized in that still includes host slip casting system, thick liquid preparation system includes conveying mechanism, storage mechanism, rabbling mechanism and compounding mechanism, the rabbling mechanism with compounding mechanism passes through connecting device and connects, filling system includes fills drive arrangement, thick liquid filling pipeline, filling system pass through thick liquid filling pipeline with host slip casting system connects, host slip casting system includes carbon dioxide conveying pipeline, goaf embedded pipe, be provided with the gas hole that looses on the goaf embedded pipe.
2. A goaf carbon dioxide mineralization grouting filling fire prevention and extinguishing system according to claim 1, characterized in that the conveying mechanism is provided with a feeder, and the mixing mechanism is provided with a receiving hopper for slurry buffering and temporary storage.
3. The goaf carbon dioxide mineralization grouting filling fire prevention and extinguishing system according to claim 1, wherein the slurry preparation system is further provided with a transfer mechanism, the transfer mechanism is used for transferring slurry raw materials, the storage mechanism is connected with the conveying mechanism, and the slurry preparation system is connected with the filling system.
4. A goaf carbon dioxide mineralization grouting filling fire protection and extinguishing system according to claim 1 or 3, characterized in that the slurry filling pipeline comprises a slurry filling main pipe, a slurry filling branch pipe and a slurry filling main pipe, the slurry filling main pipe is connected with the slurry filling branch pipe, and the slurry filling branch pipe is connected with the slurry filling main pipe.
5. The goaf carbon dioxide mineralization grouting filling fire prevention and extinguishing system according to claim 4, wherein the slurry filling main pipe is arranged on the side of a track gate and a goaf retaining lane, the slurry filling branch pipe is arranged in a working face, and the slurry filling main pipe is arranged in the goaf.
6. The goaf carbon dioxide mineralization grouting filling fire prevention and extinguishing system according to claim 4, wherein a plurality of arranged slurry filling pipes are sequentially arranged on the slurry filling pipe, and a control valve and a flow monitoring device are connected to the slurry filling pipe.
7. The goaf carbon dioxide mineralization grouting filling fire prevention and extinguishing system according to claim 4, wherein the slurry filling branch pipe and the slurry filling pipe are both fixed on a hydraulic support arranged on a working face.
8. The goaf carbon dioxide mineralization grouting filling fire prevention and extinguishing system according to claim 1, wherein the carbon dioxide conveying pipeline is arranged in a track gateway, and the end part of the carbon dioxide conveying pipeline is connected with a goaf embedded pipe.
9. A goaf carbon dioxide mineralization grouting filling fire prevention and extinguishing system according to claim 1 or 8, wherein the goaf embedded pipe is arranged at the goaf stope side and extends into the goaf, and the goaf is provided with a gas turbineThe surface of the zone embedded pipe is uniformly provided with a plurality of vent holes for injecting CO into the goaf after grouting 2 。
10. The goaf carbon dioxide mineralization grouting filling fire prevention and extinguishing system according to claim 1 or 8, wherein the goaf embedded pipe is a rubber pipe, and at least one goaf embedded pipe is arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321492928.7U CN220036726U (en) | 2023-06-12 | 2023-06-12 | Goaf carbon dioxide mineralization grouting filling fire prevention and extinguishing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321492928.7U CN220036726U (en) | 2023-06-12 | 2023-06-12 | Goaf carbon dioxide mineralization grouting filling fire prevention and extinguishing system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220036726U true CN220036726U (en) | 2023-11-17 |
Family
ID=88741945
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321492928.7U Active CN220036726U (en) | 2023-06-12 | 2023-06-12 | Goaf carbon dioxide mineralization grouting filling fire prevention and extinguishing system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220036726U (en) |
-
2023
- 2023-06-12 CN CN202321492928.7U patent/CN220036726U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103821558B (en) | Coal mine gob filling mining and gob side entry retaining filling process | |
| CN102425427B (en) | Method for constructing tunnel by utilizing shield empty-pushing crossing mine method | |
| CN104533452B (en) | A kind of underground coal mine crushes coal body stagewise grouting strengthening method | |
| WO2018176892A1 (en) | Network integrated and coordinated control system and method for thin coal seam comprehensive mining and gas control | |
| WO2022247176A1 (en) | Filling caving mining method | |
| CN102230396A (en) | Filling method capable of exploring while filling coal mine goaf | |
| CN109826665A (en) | A kind of spoil and high-water material mixed filling method | |
| CN110043311A (en) | A kind of goaf grouting filling process for being suitble to stay lane | |
| CN108825298B (en) | Roof connecting method for stope filling | |
| CN114472462B (en) | Underground-aboveground linkage coal gangue disposal system and disposal method | |
| CN112253115B (en) | Near-horizontal coal seam roadway type cemented filling mining method | |
| CN102536250A (en) | Construction method for tunnels with karst and gas simultaneously | |
| CN106321105A (en) | Paste filling method for end slope of opencut coal mine | |
| CN110656936A (en) | Mine roof directional roof cutting pressure relief method based on static expanding agent | |
| CN113307560A (en) | Grouting and filling material using coal gangue or construction waste to replace coal mine yellow mud | |
| CN110645005A (en) | High-water-rich round gravel stratum earth pressure balance shield rapid tunneling construction method | |
| CN116877184A (en) | Goaf carbon dioxide mineralization grouting filling fire prevention and extinguishing system and method | |
| CN113460562B (en) | Method for sealing and storing coal-electricity fly ash in abandoned coal mining space | |
| CN220036726U (en) | Goaf carbon dioxide mineralization grouting filling fire prevention and extinguishing system | |
| CN105198346A (en) | Inorganic filling material | |
| CN209818103U (en) | Goaf grouting filling system suitable for entry retaining | |
| JPH0828200A (en) | Filling of space part | |
| CN111828005B (en) | Face mining method | |
| CN109944634B (en) | Coal seam top and bottom plate filling type goaf filling structure and filling method thereof | |
| CN218522667U (en) | Drilling and blasting method tunnel closely alternately reserves down-hole interface structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |