CN214577182U - Submersible pump inclined-horizontal arrangement system applied to underground coal mine disaster-resistant drainage system - Google Patents
Submersible pump inclined-horizontal arrangement system applied to underground coal mine disaster-resistant drainage system Download PDFInfo
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- CN214577182U CN214577182U CN202120349265.8U CN202120349265U CN214577182U CN 214577182 U CN214577182 U CN 214577182U CN 202120349265 U CN202120349265 U CN 202120349265U CN 214577182 U CN214577182 U CN 214577182U
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Abstract
The utility model discloses a submersible pump inclined-horizontal arrangement system applied to a coal mine underground disaster-resistant drainage system, which comprises a sump, a water distribution roadway, an electric water distribution gate valve, an inclined-horizontal pump well, a submersible pump and a drainage pipeline; wherein, the water sump is connected with the water distribution roadway to form an underground water gushing channel; the electric water distribution gate valve is positioned at the interface of the water distribution roadway and the inclined horizontal type pump well and is connected with a submersible pump arranged in the inclined horizontal type pump well through a drainage pipeline. The utility model provides a be applied to colliery underground disaster resistant drainage system immersible pump form of laying to one side. The underground engineering quantity can be reduced by adopting an inclined horizontal type arrangement process, a drainage pipeline drilling process, a cable drilling arrangement process and a winch chamber arrangement process, and meanwhile, when flood occurs underground, the submersible pump is guaranteed to be started in time, and the working efficiency and the safety can be improved by daily overhauling and maintenance.
Description
Technical Field
The utility model belongs to colliery is calamity drainage system process field in the pit, concretely relates to be applied to colliery is calamity drainage system's immersible pump inclined horizontal arrangement system in the pit.
Background
At present, most underground coal mine disaster-resistant drainage systems in Monshan areas basically adopt a horizontal arrangement form (only a submersible pump foundation is obliquely constructed for about 2-3 degrees in order to meet the standard requirement), generally, the depth of a pump well in the arrangement form is about 6-10 m, the width is about 3-5 m, and the length is about 6-15 m, when a place with poor underground surrounding rock conditions is encountered in the construction process, the pump well is large in excavation size, complex in support and poor in construction safety, meanwhile, an area needs to be newly selected underground in the arrangement form, the size of a pump room is large, the construction engineering quantity is large, and some existing roadways cannot be utilized. In addition, 2 submersible pumps are generally installed in a coal mine needing to be provided with the disaster-resistant drainage system, during the normal production of the coal mine, the operation of the submersible pumps is only used for daily management trial operation, and the rationality of the arrangement form of the submersible pumps can ensure the underground safety of the coal mine and the economical efficiency of the disaster-resistant drainage system.
The underground coal mine disaster-resistant drainage system has the following problems.
1. The horizontal type arrangement form (the submersible pump foundation is obliquely constructed for about 2-3 degrees), the pump well size is large, the construction difficulty is large in the process of tunneling the pump well, the supporting quantity is large, the construction cost is high, the safety is poor, and the pump well is difficult to maintain.
2. The form of arranging of horizontal type (2 ~ 3 left and right sides are under construction in the slope of immersible pump basis), when the immersible pump need be overhauld, need be drained the mineral water in the pump well basically, and constructor gets into behind the pump well, carries out the fixed of devices such as hoist cable, just can lift by crane the immersible pump and overhaul, and this process is with long, and is inefficient, in addition at the in-process of lifting by crane, and is accurate inadequately, often needs constantly to transfer the appearance in the air, wastes time and energy.
3. The horizontal type arrangement form (about 2 ~ 3 degrees of submersible pump basic slope construction), under the general condition, the mineral water in the sump gets into the pump well and only passes through the distribution well, and behind the mineral water got into the pump well, the vortex that causes for two immersible pumps form the uneven phenomenon of exerting oneself after the work easily, and the bubble that the vortex arouses also has the cavitation phenomenon to the submersible pump impeller.
4. The safety requirements of the disaster-resistant drainage pipeline and the cable are high, and the safety of the pipeline and the cable can be ensured when flood occurs underground by drilling and laying.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a be applied to colliery underground disaster-resistant drainage system's immersible pump laying system to one side. The arrangement mode realizes the safety, the economy and the rationality of each link of the underground disaster-resistant drainage system from construction, daily maintenance and repair and disaster-resistant starting through reasonably setting different functional partitions, such as an inclined horizontal pump well (25 degrees or 35 degrees), a winch chamber, an overhaul platform, a water distribution roadway, drainage pipeline drilling and cable drilling.
The utility model discloses a following technical scheme realizes:
a submersible pump inclined horizontal arrangement system applied to a coal mine underground disaster-resistant drainage system comprises a water sump, a water distribution roadway, an electric water distribution gate valve, an inclined horizontal pump well, a submersible pump and a drainage pipeline; wherein the content of the first and second substances,
the water sump is connected with the water distribution roadway to form an underground water gushing channel; the electric water distribution gate valve is positioned at the interface of the water distribution roadway and the inclined horizontal type pump well and is connected with a submersible pump arranged in the inclined horizontal type pump well through a drainage pipeline.
The utility model discloses a further improvement lies in, and the mud collection pond has been seted up to the bottom of horizontal pump well to one side.
The utility model discloses further improvement lies in, and the bottom of immersible pump is provided with immersible pump track and card rail ware, and the immersible pump is installed in the immersible pump track to can be fixed through card rail ware.
The utility model discloses further improvement lies in, and the inclination of recumbent form pump well is 25 or 35.
The utility model discloses further improvement lies in, still including the lifting beam and the maintenance platform that lie in horizontal pump shaft upper portion flat section department to one side for transfer, the maintenance of immersible pump.
The utility model discloses a further improvement lies in, still including setting up the winch room chamber in the wall niche of lifting beam and maintenance platform tunnel side.
The utility model discloses further improvement lies in, still including setting up in the winch room chamber of the contralateral of horizontal pump shaft upper portion platform.
The utility model discloses further improvement lies in, the warning waterline height of immersible pump has the surplus of 1.5m-2 m.
The utility model discloses compare with the horizontal type arrangement mode and have following profitable technological effect:
1. the utility model discloses can show improvement immersible pump life.
The deflection of a motor shaft of the submersible pump is further reduced;
the cavitation phenomenon of the impeller of the submersible pump is further reduced;
2. the utility model discloses can show and reduce anti-disaster drainage system engineering volume.
The size of the pump well is further reduced, and the excavation amount of the pump well is reduced;
the underground engineering quantity can be further reduced in a coal mine capable of utilizing the existing roadway;
compared with a horizontal pump well, the inclined horizontal pump well has obvious advantages in terms of construction difficulty, engineering quantity, supporting quantity and the like;
3. the utility model discloses can show security, the economic nature that improves disaster-resistant drainage system.
The rail clamping device and the winch chamber are arranged to play a role in stabilizing the fixation of the submersible pump, and the drainage pipeline and the cable are arranged to drill holes so as to further reduce accident danger points when floods occur underground and ensure the safety of a disaster-resistant drainage system;
the reasonable functional partition of the disaster-resistant drainage pump house can further improve the economy of the disaster-resistant drainage system.
To sum up, it is shown that the utility model provides a be applied to colliery anti-disaster drainage system immersible pump inclined horizontal arrangement form in the pit. The underground engineering quantity can be reduced by adopting an inclined horizontal type arrangement (pump well arrangement at 25 degrees or 35 degrees), a drainage pipeline drilling and cable drilling arrangement process and a winch chamber arrangement process, and meanwhile, when a flood happens underground, the submersible pump is ensured to be started in time, and the working efficiency and the safety can be improved by daily overhauling and maintenance.
Drawings
Fig. 1 is a plan view of the system of the present invention.
Fig. 2 is a cross-sectional view a-a of the system of the present invention.
Description of reference numerals:
1-water sump, 2-water distribution roadway, 3-electric water distribution gate valve, 4-inclined horizontal pump well, 5-submersible pump, 6-drainage pipeline, 7-drainage pipeline drilling, 8-cable drilling, 9-submersible pump track, 10-rail clamping device, 11-winch room chamber, 12-lifting beam and maintenance platform, and 13-mud collecting pool.
Detailed Description
The present invention will be further described with reference to the accompanying drawings.
Referring to fig. 1, the utility model provides a be applied to colliery underground disaster-resistant drainage system's immersible pump laying arrangement system to one side, including 1-sump, 2-water distribution lane, 3-electronic distribution gate valve, 4-horizontal pump shaft to one side, 5-immersible pump, 6-drainage pipeline, 7-drainage pipeline drilling, 8-cable drilling, 9-immersible pump track, 10-the card rail ware, 11-winch house chamber, 12-lifting beam and maintenance platform and 13-mud collecting pit.
With reference to fig. 1 and 2, a water sump 1 is connected with a water distribution roadway 2 to form an underground water burst channel; the electric water distribution gate valve 3 is positioned at the interface of the water distribution roadway 2 and the inclined horizontal pump well 4, plays a role in controlling water quantity, is in a normally open state during normal production of the mine, and can quickly open the submersible pump 5 when flood occurs, so that the production safety of the mine is ensured; the sludge collecting tank 13 is positioned at the bottom of the inclined horizontal type pump well 4 and is used for collecting coal slime to prevent a water suction port of the submersible pump 5 from being blocked; the submersible pump track 9 and the rail clamping device 10 are used for fixing the submersible pump 5 and are arranged at the bottom of the submersible pump 5; the drainage pipeline 6 is connected with the outlet of the submersible pump 5 and used for draining water, and underground gushing water is drained to the ground through the drainage pipeline drill hole 7; the cable drilling hole 8 is positioned at the upper part of the inclined horizontal pump well 4, so that potential safety hazards caused by water soaking of the cable are prevented; the lifting beam and maintenance platform 12 is positioned at the upper flat section of the inclined horizontal type pump well 4 and is mainly used for lowering and maintaining the submersible pump 5; the winch room chamber 11 can be arranged on the opposite side of the platform on the upper part of the inclined horizontal pump well 4 according to the arrangement condition of an underground tunnel, and can also be arranged in a niche of the tunnel side wall of the lifting beam and the maintenance platform 12 and is mainly used for traction of the submersible pump 5.
Specifically, the inclination angle of the inclined horizontal pump well 4 is determined, the inclination angle is not fixed, and the inclination angle can be determined according to the actual arrangement condition of an underground roadway; determining the height of the inclined horizontal type pump well by combining the height of the water sump 1 and the height of the submersible pump alarm water line (considering the allowance of 1.5m-2 m); determining the pump well inclination length according to the pump well depth determined in the step; the water sump 1 is connected with a water suction port of a submersible pump 5, a water distribution lane 2 is arranged, an electric water distribution gate valve 3 is arranged in the water distribution lane 2, the water distribution lane 2 can adjust the flow of mineral water, and simultaneously can play a role in stabilizing water flow and reduce cavitation of water flow entering an impeller of the submersible pump; the arrangement of the drainage pipeline drill hole 7 and the cable drill hole 8 can effectively reduce the laying area of pipelines and cables, reduce dangerous accident points when flood occurs underground, and ensure the safety of a disaster-resistant drainage system; the submersible pump track 9, the rail clamping device 10 and the winch room 11 are arranged, the submersible pump 5 is installed on the submersible pump track 9, the submersible pump 5 is fixed on the submersible pump track 9 through the rail clamping device 10 and the winch room 11, and meanwhile, the winch room 11 can improve the working efficiency and reduce the labor load of workers when the submersible pump 5 is lifted and lowered for maintenance; the lifting beam and the maintenance platform 12 are arranged to facilitate the maintenance of the submersible pump, and meanwhile, the existing roadway can be utilized by the platform, so that the overall size of a pump house is reduced, and the economy is improved; and a mud collecting pool 13 is arranged to facilitate pump well cleaning.
When underground disaster-resistant drainage is needed, underground water burst enters the water sump 1 and the water distribution roadway 2, the underground water burst enters the inclined horizontal pump well 4 through the opening and closing of the electric water distribution gate valve 3, and the underground water burst is drained to the ground through the drainage pipeline 6 after the submersible pump 5 works so as to meet the requirement of underground disaster-resistant drainage. The submersible pump 5 and the electric water distribution gate valve 3 are directly controlled by the ground to work, and are not affected by disaster factors when water damage occurs underground. One end of the inclined horizontal type pump well 4 is connected with the water distribution roadway 2, the other end of the inclined horizontal type pump well is connected with the normal roadway, the inclined horizontal type pump well 4 is constructed at an angle of about 25 degrees, and the construction difficulty is small. And the drainage pipeline drill hole 7 and the cable drill hole 8 are respectively used for directly discharging a drainage pipe and a cable out of the well.
The utility model discloses a horizontal arrangement mode to one side: two submersible pumps 5 are arranged in parallel in double rows by adopting an inclined lane of 25 degrees or 35 degrees; the electric water distribution gate valve 3 is arranged at the tail end of the water distribution lane 2 and directly controls the opening state through the ground; a submersible pump track and a track foundation are arranged below the submersible pump 5, and the submersible pump 5 is fixed on the inclined track surface through a track clamping device; a lifting beam and an overhaul platform are arranged at the joint of the inclined horizontal pump well and the normal roadway; a winch and a steel wire rope are arranged in the winch chamber, one end of the winch chamber is fixed at a lifting lug of the submersible pump 5, and the steel wire rope is required to be ensured to be always in a tensioning state, so that the stress of the rail clamping device can be reduced, and the submersible pump 5 is ensured to be firmly fixed; the drainage pipeline 6 and the cable drilling hole 8 are arranged on the inclined section or the flat section of the inclined horizontal type pump well 4 and can be selected according to the actual underground situation so as to improve the safety of the pipeline and the cable when flood occurs underground and reduce the workload of daily maintenance.
For some high-flow and high-power submersible pumps 5, deflection is easy to generate due to the fact that the submersible pumps 5 and motor shafts are long, deflection of the shafts can be effectively reduced due to the fact that the submersible pumps 5 are arranged in an inclined horizontal mode (25 degrees or 35 degrees), and the service life of the submersible pumps 5 is prolonged.
In some coal mines, a connection roadway is arranged between two main roadways, and the existing connection roadway can be utilized by the inclined horizontal pump well 4(25 degrees or 35 degrees), so that the construction difficulty and the supporting workload are reduced, and the effect of reducing the underground engineering quantity is achieved.
The winch chamber is arranged at the end of a normal roadway, the overhauling winch and the steel wire rope are arranged in the chamber, one end of the steel wire rope is fixed at the lifting lug of the submersible pump 5, the overhauling is convenient, meanwhile, certain tension can be provided, and the lifting time and the lowering time of the submersible pump 5 are reduced, and the submersible pump 5 is stable.
The water sump 1 and the inclined horizontal type pump well 4(25 degrees or 35 degrees) are provided with a section of water distribution lane 2, the water distribution lane 2 can reduce the phenomenon of mineral water eddy, the stability of water flow entering the submersible pump 5 due to underground water burst is guaranteed, the impeller of the submersible pump 5 is prevented from being subjected to cavitation erosion by mineral water, and the service life of the submersible pump 5 is prolonged.
Claims (8)
1. A submersible pump inclined horizontal arrangement system applied to a coal mine underground disaster-resistant drainage system is characterized by comprising a water sump (1), a water distribution roadway (2), an electric water distribution gate valve (3), an inclined horizontal type pump well (4), a submersible pump (5) and a drainage pipeline (6); wherein the content of the first and second substances,
the water sump (1) is connected with the water distribution roadway (2) to form an underground water burst channel; the electric water distribution gate valve (3) is positioned at the interface of the water distribution roadway (2) and the inclined horizontal pump well (4) and is connected with a submersible pump (5) arranged on the inclined horizontal pump well (4) through a drainage pipeline (6).
2. The submersible pump inclined-horizontal arrangement system applied to the underground coal mine disaster-resistant drainage system according to claim 1, characterized in that a sludge collecting pool (13) is arranged at the bottom of the inclined-horizontal pump well (4).
3. The inclined-horizontal arrangement system of the submersible pump applied to the underground disaster-resistant drainage system of the coal mine according to claim 1 is characterized in that a submersible pump rail (9) and a rail clamping device (10) are arranged at the bottom of the submersible pump (5), and the submersible pump (5) is installed on the submersible pump rail (9) and can be fixed through the rail clamping device (10).
4. The submersible pump inclined-horizontal arrangement system applied to the disaster-resistant drainage system in the coal mine well is characterized in that the inclination angle of the inclined-horizontal pump well (4) is 25 degrees or 35 degrees.
5. The inclined-horizontal arrangement system of the submersible pumps applied to the underground disaster-resistant drainage system of the coal mine according to claim 1, characterized by further comprising a lifting beam and an overhaul platform (12) which are positioned at the upper flat section of the inclined-horizontal pump well (4) and used for descending and overhauling the submersible pumps (5).
6. The inclined-lying arrangement system of the submersible pump applied to the underground coal mine disaster-resistant drainage system is characterized by further comprising a winch room chamber (11) arranged in a niche of the roadway side wall of the lifting beam and maintenance platform (12).
7. The inclined-horizontal arrangement system of the submersible pumps applied to the disaster-resistant drainage system in the coal mine according to claim 1 is characterized by further comprising a winch room chamber (11) arranged on the opposite side of an upper platform of the inclined-horizontal type pump well (4).
8. The submersible pump inclined-horizontal arrangement system applied to the underground coal mine disaster-resistant drainage system according to claim 1, wherein the height of the alarm water level line of the submersible pump (5) has a margin of 1.5m-2 m.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120349265.8U CN214577182U (en) | 2021-02-07 | 2021-02-07 | Submersible pump inclined-horizontal arrangement system applied to underground coal mine disaster-resistant drainage system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120349265.8U CN214577182U (en) | 2021-02-07 | 2021-02-07 | Submersible pump inclined-horizontal arrangement system applied to underground coal mine disaster-resistant drainage system |
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| Publication Number | Publication Date |
|---|---|
| CN214577182U true CN214577182U (en) | 2021-11-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120349265.8U Active CN214577182U (en) | 2021-02-07 | 2021-02-07 | Submersible pump inclined-horizontal arrangement system applied to underground coal mine disaster-resistant drainage system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214577182U (en) |
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2021
- 2021-02-07 CN CN202120349265.8U patent/CN214577182U/en active Active
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