CN220469929U - Muddy water slag discharging system for vertical tunneling operation - Google Patents
Muddy water slag discharging system for vertical tunneling operation Download PDFInfo
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- CN220469929U CN220469929U CN202321884700.2U CN202321884700U CN220469929U CN 220469929 U CN220469929 U CN 220469929U CN 202321884700 U CN202321884700 U CN 202321884700U CN 220469929 U CN220469929 U CN 220469929U
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- slurry
- slag
- slag discharging
- pump
- muddy water
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- 239000002893 slag Substances 0.000 title claims abstract description 102
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 93
- 230000005641 tunneling Effects 0.000 title claims abstract description 65
- 238000007599 discharging Methods 0.000 title claims abstract description 59
- 239000002002 slurry Substances 0.000 claims abstract description 76
- 238000000926 separation method Methods 0.000 claims abstract description 29
- 238000004537 pulping Methods 0.000 claims abstract description 17
- 238000003825 pressing Methods 0.000 claims abstract description 16
- 230000001502 supplementing effect Effects 0.000 claims abstract description 13
- 239000011435 rock Substances 0.000 claims description 9
- 239000007788 liquid Substances 0.000 claims description 8
- 230000000694 effects Effects 0.000 description 4
- 239000002927 high level radioactive waste Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000003111 delayed effect Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
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- Excavating Of Shafts Or Tunnels (AREA)
Abstract
The utility model discloses a muddy water slag discharging system for vertical tunneling operation, which relates to the technical field of slag discharging systems and comprises: the mud-water treatment unit comprises mud-water separation equipment, filter pressing equipment, pulping equipment and pulp mixing equipment which are communicated through pipelines in sequence; the pulp inlet of the pulp supplementing pump is communicated with the pulp outlet of the pulp mixing device; the slurry inlet end of the slurry water supply pipe is communicated with the slurry outlet of the slurry supplementing pump, the slurry outlet end of the slurry water supply pipe is fixed on a tunneling head used for vertical tunneling operation, the slurry outlet end of the slurry water supply pipe is close to a rotary cutterhead in the tunneling head and is positioned right above the rotary cutterhead, and a slag suction port is arranged on the rotary cutterhead; the slag discharging pump is arranged on the tunneling head, and a slurry outlet of the slag discharging pump is communicated with a slurry inlet of the mud-water separation equipment; the slag discharging inlet pipe is fixedly arranged on the tunneling head, and the slurry outlet end of the slag discharging inlet pipe is communicated with the slurry inlet of the slag discharging pump. The utility model improves the slag discharging efficiency in the vertical tunneling operation.
Description
Technical Field
The utility model relates to the technical field of slag discharging systems, in particular to a muddy water slag discharging system for vertical tunneling operation.
Background
In the disposal of high-level radioactive waste, embedding the high-level radioactive waste in a stable geologic volume in the depth range of 500m to 1000m is currently the ultimate disposal mode widely recognized as technically feasible internationally.
The disposal of high level radioactive waste in the body of the earth generally comprises a horizontal passageway and a vertically downward disposal pit in the passageway which is required to be formed by a vertically tunnelling head for tunnelling vertically downward, i.e. a tunnelling operation, in the rock mass.
In the process of vertical tunneling operation, the slag generated by tunneling needs to be discharged from the face, the slag discharging mode adopted at present is vacuum slag discharging, namely, the slag at the face is sucked out through the negative pressure effect, however, the speed of vacuum slag discharging is slower, and the slag suction port and the slag suction pipeline are extremely easy to wear due to the fact that the slag collides with the slag suction port and the slag suction pipeline in the discharging process, the vacuum slag discharging system cannot work normally after any one of the slag suction port and the slag suction pipeline is damaged, and then the vacuum slag discharging system needs to be frequently maintained in the vertical tunneling operation, so that the efficiency of the vertical tunneling operation is influenced, and the construction period is delayed.
Therefore, the conventional vacuum slag discharging system cannot meet the requirement of high-efficiency vertical tunneling operation.
Disclosure of Invention
The utility model aims to provide a muddy water slag discharging system for vertical tunneling operation, which solves the problems in the prior art and improves slag discharging efficiency in the vertical tunneling operation.
In order to achieve the above object, the present utility model provides the following solutions:
the utility model provides a muddy water slag discharging system for vertical tunneling operation, which comprises:
the mud-water treatment unit comprises mud-water separation equipment, filter pressing equipment, pulping equipment and pulp mixing equipment which are communicated through pipelines in sequence;
the pulp inlet of the pulp supplementing pump is communicated with the pulp outlet of the pulp mixing device;
the slurry inlet end of the slurry water supply pipe is communicated with the slurry outlet of the slurry supplementing pump, the slurry outlet end of the slurry water supply pipe is fixed on a tunneling head used for vertical tunneling operation, and the slurry outlet end of the slurry water supply pipe is close to a rotary cutter disc in the tunneling head and is positioned right above the rotary cutter disc;
the slag discharging pump is arranged on the tunneling head, and a slurry outlet of the slag discharging pump is communicated with a slurry inlet of the mud-water separation equipment;
the slag discharging inlet pipe is fixedly arranged on the tunneling head, the slurry outlet end of the slag discharging inlet pipe is communicated with the slurry inlet of the slag discharging pump, and the slurry suction end of the slag discharging inlet pipe and the slurry outlet end of the mud water supply pipe are close to the rotary cutterhead in the tunneling head and are located right above the rotary cutterhead.
Preferably, the device also comprises a slag discharge relay pump, wherein a slurry inlet of the slag discharge relay pump is communicated with a slurry outlet of the slag discharge pump through a slag discharge outlet pipe; and a slurry outlet of the slag discharge relay pump is communicated with a slurry inlet of the mud-water separation equipment through a pipeline.
Preferably, a gap is arranged between the slurry suction end of the slag discharge inlet pipe and the slurry outlet end of the mud water supply pipe and the rotary cutterhead.
Preferably, the pulping equipment is used for preparing muddy water; the muddy water prepared by the pulping equipment can be further modulated by the pulping equipment; the mud-water separation equipment is used for carrying out solid-liquid separation on mud water mixed with rock slag; the filter pressing equipment is used for carrying out filter pressing on muddy water subjected to solid-liquid separation.
Preferably, the mud-water separation unit and the deslagging relay pump are both positioned outside a vertical well excavated in the vertical tunneling operation.
Preferably, the positions of the deslagging replenishing pump and the mud-water separation unit are fixed.
Compared with the prior art, the utility model has the following technical effects:
the muddy water slag discharging system for the vertical tunneling operation improves slag discharging efficiency in the vertical tunneling operation.
Specifically, the utility model brings rock slag generated in the vertical tunneling operation out of the tunnel face through muddy water, has high slag discharging speed and small abrasion to a slag suction port, a pipeline system and the like; and because the rotary cutterhead can be soaked in muddy water during operation, the high heat of the rotary cutterhead can be taken away through muddy water, and the rotary cutterhead is cooled, so that the cutting effect and the service life of the rotary cutterhead are improved, and the efficiency of vertical tunneling operation is improved.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions of the prior art, the drawings that are needed in the embodiments 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 diagram of the muddy water slag removal system for vertical tunneling operation of the present utility model;
FIG. 2 is a schematic diagram of a part of the muddy water slag discharging system for vertical tunneling operation;
1, mud-water separation equipment; 2. a filter pressing device; 3. pulping equipment; 4. a size mixing device; 5. a slurry supply pipe; 6. a tunneling head; 7. rotating the cutterhead; 8. a slag discharge pump; 9. a slag discharge inlet pipe; 10. a slag discharge outlet pipe; 11. a slag discharge relay pump; 12. a rock mass; 13. and (5) a slurry supplementing pump.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
The utility model aims to provide a muddy water slag discharging system for vertical tunneling operation, which solves the problems in the prior art and improves slag discharging efficiency in the vertical tunneling operation.
In order that the above-recited objects, features and advantages of the present utility model will become more readily apparent, a more particular description of the utility model will be rendered by reference to the appended drawings and appended detailed description.
As shown in fig. 1 to 2, the present embodiment provides a muddy water slag discharging system for vertical tunneling operation, comprising a muddy water treatment unit, a muddy water supply pipe 5, a slag discharging pump 8, a slag discharging inlet pipe 9, a slag discharging outlet pipe 10 and a slag discharging relay pump 11.
The mud-water treatment unit comprises mud-water separation equipment 1, filter pressing equipment 2, pulping equipment 3 and pulp mixing equipment 4 which are communicated through pipelines in sequence; the pulping equipment 3 is used for preparing muddy water; the muddy water prepared by the pulping equipment 3 can be further modulated by the pulping equipment 4; the mud-water separation equipment 1 is used for carrying out solid-liquid separation on mud water mixed with rock slag; the filter pressing equipment 2 is used for carrying out filter pressing on muddy water subjected to solid-liquid separation.
The slurry inlet of the slurry supplementing pump 13 is communicated with the slurry outlet of the slurry mixing equipment 5, the slurry inlet end of the slurry water supplementing pipe 5 is communicated with the slurry outlet of the slurry supplementing pump 13, the slurry outlet end of the slurry water supplementing pipe 5 is fixed on the tunneling head 6 used for vertical tunneling operation, the slurry outlet end of the slurry water supplementing pipe 5 is close to the rotary cutterhead 7 in the tunneling head 6 and is located right above the rotary cutterhead 7, and the tunneling head 6 and the rotary cutterhead 7 are both in the prior art.
It should be noted that, the mud-water separation device 1, the filter pressing device 2, the pulping device 3, the pulp mixing device 4, the tunneling head 6 and the rotary cutterhead 7 are all in the prior art, so that the respective structures and working principles of the mud-water separation device 1, the filter pressing device 2, the pulping device 3, the pulp mixing device 4, the tunneling head 6 and the rotary cutterhead 7 are not developed in the embodiment. In addition, since the construction of the heading head 6 and the rotary cutterhead 7 is relatively complex, the heading head 6 and the rotary cutterhead 7 are illustrated in a simplified manner in fig. 1 in order to ensure the clarity of fig. 1.
The slag discharge pump 8 is arranged on the tunneling head 6, and a slurry outlet of the slag discharge pump 8 is communicated with a slurry inlet of the mud-water separation equipment 1; the slag discharging inlet pipe 9 is fixedly arranged on the tunneling head 6, the slurry outlet end of the slag discharging inlet pipe 9 is communicated with the slurry inlet of the slag discharging pump 8, and the slurry suction end of the slag discharging inlet pipe 9 and the slurry outlet end of the mud water supply pipe 5 are both close to the rotary cutterhead 7 in the tunneling head 6 and are both positioned right above the rotary cutterhead 7; and the pulp sucking end of the slag discharging inlet pipe 9 and the pulp discharging end of the mud water supplying pipe 5 are both spaced from the rotary cutter head 7.
The slurry inlet of the slag discharge relay pump 11 is communicated with the slurry outlet of the slag discharge pump 8 through a slag discharge outlet pipe 10; the slurry outlet of the slag discharge relay pump 11 is communicated with the slurry inlet of the mud-water separation equipment 1 through a pipeline.
The mud-water separation unit and the slag-discharging relay pump 11 are both positioned outside the vertical well excavated in the vertical tunneling operation and can be fixedly arranged on the ground or in a horizontal channel of a storage.
The concrete working principle of the muddy water slag discharging system for vertical tunneling operation in the embodiment is as follows:
while tunneling vertically in the rock body 12 through the tunneling head 6, the muddy water slag discharging system for vertical tunneling operation in this embodiment mixes muddy water with rock slag cut by the rotary cutterhead 7 and then stirs the mixture to form high-concentration muddy water, and it should be noted that since the rotary cutterhead 7 in the prior art is usually hollow, that is, there are many gaps on the rotary cutterhead 7, muddy water flowing out of the muddy water supply pipe 5 can reach the face through the rotary cutterhead 7 and then mix with crushed slag of the face, then roll carries the crushed slag and then passes through the rotary cutterhead 7 and then enters the slag discharging inlet pipe 9; the high-concentration muddy water is pumped to a muddy water treatment unit through a deslagging pump 8 and a deslagging relay pump 11, solid-liquid separation is carried out through a muddy water separation pump, the muddy water separated from the solid-liquid separation is subjected to filter pressing through a filter pressing device 2, and the muddy water after filter pressing is pumped into a tunnel face for recycling under the action of a pulp supplementing pump 13 after being prepared by a pulping device 3 and modulated by a pulp mixing device 4.
The muddy water slag discharging system for the vertical tunneling operation brings rock slag generated in the vertical tunneling operation out of the face through muddy water, and is high in slag discharging speed and small in abrasion to a slag suction port, a pipeline system and the like; and because the rotary cutterhead 7 can be soaked in muddy water during operation, the high heat of the rotary cutterhead 7 can be taken away through muddy water, and the rotary cutterhead 7 is cooled, so that the cutting effect of the rotary cutterhead 7 is improved, the service life of the rotary cutterhead 7 is prolonged, and the efficiency of vertical tunneling operation is improved.
The principles and embodiments of the present utility model have been described in detail with reference to specific examples, which are provided to facilitate understanding of the method and core ideas of the present utility model; also, it is within the scope of the present utility model to be modified by those of ordinary skill in the art in light of the present teachings. In view of the foregoing, this description should not be construed as limiting the utility model.
Claims (6)
1. A muddy water slag discharging system for vertical tunneling operation, which is characterized by comprising:
the mud-water treatment unit comprises mud-water separation equipment, filter pressing equipment, pulping equipment and pulp mixing equipment which are communicated through pipelines in sequence;
the pulp inlet of the pulp supplementing pump is communicated with the pulp outlet of the pulp mixing device;
the slurry inlet end of the slurry water supply pipe is communicated with the slurry outlet of the slurry supplementing pump, the slurry outlet end of the slurry water supply pipe is fixed on a tunneling head used for vertical tunneling operation, and the slurry outlet end of the slurry water supply pipe is close to a rotary cutter disc in the tunneling head and is positioned right above the rotary cutter disc;
the slag discharging pump is arranged on the tunneling head, and a slurry outlet of the slag discharging pump is communicated with a slurry inlet of the mud-water separation equipment;
the slag discharging inlet pipe is fixedly arranged on the tunneling head, the slurry outlet end of the slag discharging inlet pipe is communicated with the slurry inlet of the slag discharging pump, and the slurry suction end of the slag discharging inlet pipe and the slurry outlet end of the mud water supply pipe are close to the rotary cutterhead in the tunneling head and are located right above the rotary cutterhead.
2. The muddy water slag removal system for vertical tunneling work according to claim 1, characterized in that: the slurry inlet of the slag discharge relay pump is communicated with the slurry outlet of the slag discharge pump through a slag discharge outlet pipe; and a slurry outlet of the slag discharge relay pump is communicated with a slurry inlet of the mud-water separation equipment through a pipeline.
3. The muddy water slag removal system for vertical tunneling work according to claim 1, characterized in that: the slurry sucking end of the slag discharging inlet pipe and the slurry outlet end of the mud water supply pipe are both spaced from the rotary cutterhead.
4. The muddy water slag removal system for vertical tunneling work according to claim 1, characterized in that: the pulping equipment is used for preparing muddy water; the muddy water prepared by the pulping equipment can be further modulated by the pulping equipment; the mud-water separation equipment is used for carrying out solid-liquid separation on mud water mixed with rock slag; the filter pressing equipment is used for carrying out filter pressing on muddy water subjected to solid-liquid separation.
5. The muddy water slag removal system for vertical tunneling work according to claim 2, characterized in that: the muddy water treatment unit and the deslagging relay pump are both positioned outside a vertical well excavated in the vertical tunneling operation.
6. The muddy water slag removal system for vertical tunneling work according to claim 2, characterized in that: the positions of the deslagging replenishing pump and the muddy water treatment unit are fixed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321884700.2U CN220469929U (en) | 2023-07-17 | 2023-07-17 | Muddy water slag discharging system for vertical tunneling operation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321884700.2U CN220469929U (en) | 2023-07-17 | 2023-07-17 | Muddy water slag discharging system for vertical tunneling operation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220469929U true CN220469929U (en) | 2024-02-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321884700.2U Active CN220469929U (en) | 2023-07-17 | 2023-07-17 | Muddy water slag discharging system for vertical tunneling operation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220469929U (en) |
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2023
- 2023-07-17 CN CN202321884700.2U patent/CN220469929U/en active Active
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