CN220815749U - Long-distance power supply and liquid system for fully mechanized mining face equipment - Google Patents
Long-distance power supply and liquid system for fully mechanized mining face equipment Download PDFInfo
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- CN220815749U CN220815749U CN202322230028.1U CN202322230028U CN220815749U CN 220815749 U CN220815749 U CN 220815749U CN 202322230028 U CN202322230028 U CN 202322230028U CN 220815749 U CN220815749 U CN 220815749U
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- 239000007788 liquid Substances 0.000 title claims abstract description 54
- 238000005065 mining Methods 0.000 title claims abstract description 48
- 239000007921 spray Substances 0.000 claims abstract description 41
- 239000000839 emulsion Substances 0.000 claims abstract description 28
- 238000005286 illumination Methods 0.000 claims abstract description 4
- 239000003245 coal Substances 0.000 claims description 15
- 238000001914 filtration Methods 0.000 claims description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 9
- 238000005507 spraying Methods 0.000 claims description 7
- 230000005540 biological transmission Effects 0.000 claims description 4
- 230000001804 emulsifying effect Effects 0.000 claims description 3
- 238000005304 joining Methods 0.000 claims description 3
- 230000006798 recombination Effects 0.000 claims description 3
- 238000005215 recombination Methods 0.000 claims description 3
- 239000012530 fluid Substances 0.000 claims 5
- 238000004519 manufacturing process Methods 0.000 description 8
- 238000010586 diagram Methods 0.000 description 6
- 238000009423 ventilation Methods 0.000 description 4
- 238000009826 distribution Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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Abstract
The application relates to a long-distance power supply and liquid supply system of fully-mechanized mining face equipment, which comprises a power supply system and a liquid supply system and is characterized in that a chamber is arranged in the middle of the outside of a stoping line of the current and adjacent two non-stoping faces, the power supply system and the liquid supply system are arranged in the chamber, the power supply system in each chamber comprises 2 4000KVA mobile substations, 2 combined switches, a centralized control cabin and 2 SVG reactive compensation devices, the power supply and the control are carried out for the face power equipment, and the SVG reactive compensation devices reduce the long-distance power supply voltage loss; each chamber is also provided with an emulsion pump station and a spray pump station and corresponding pipeline systems; a1-station 500KVA dry-type transformer and a power supply circuit are installed to supply power for working face illumination, automatic control equipment, grouting, drainage and other auxiliary equipment.
Description
Technical Field
The application relates to the technical field of remote power supply and liquid supply, in particular to a remote power supply and liquid supply system of fully mechanized mining face equipment.
Background
The existing power supply and liquid mode is pushed along with the fully mechanized mining face, the equipment train is required to move forwards along with the fully mechanized mining face, 4-5 persons are required to coordinate and cooperate during forward movement, time and labor are wasted, and continuous and safe production of the fully mechanized mining face cannot be achieved. Along with the continuous updating of fully-mechanized coal face coal mining equipment, the continuous increase of electricity load is used for the length and the width of equipment mobile train for placing power transformation and distribution, liquid supply and spraying equipment are also continuously increased, and the arrangement mode has high safety risk to personnel in the equipment advancing process and has potential power supply safety hazards in the advancing process.
Secondly, when overhauling and changing equipment on the equipment mobile train, because of the space is narrow, the safety risk to maintainers is higher. Along with the advance of the mining face, the tunnel is affected by mining to generate deformation, floor heave and other phenomena, the requirement of storing a moving train cannot be met, and the track tunnel needs to be frequently subjected to projects such as floor picking, side expanding and the like; the equipment train is arranged in the air inlet tunnel of the fully mechanized mining face, and because the equipment is large in size, the ventilation section of the air inlet tunnel is occupied, the air inlet ventilation resistance of the mining face is increased, the air flow stability and the gas control of the fully mechanized mining face are affected differently, and the safety production of the fully mechanized mining face of a mine is restricted.
Therefore, in order to solve the problems, the application provides a long-distance power supply and liquid system of fully mechanized coal mining face equipment.
Disclosure of utility model
The technical scheme adopted for solving the technical problems is as follows: firstly, a long-distance power supply and liquid supply system of fully-mechanized mining face equipment comprises a power supply system and a liquid supply system, and is characterized in that a long-distance power supply and liquid supply special chamber is arranged in the middle of the outside of a stoping line of the current and adjacent two non-stoping faces, the power supply system and the liquid supply system are arranged in the chamber, the power supply system in each chamber comprises 2 4000KVA mobile substations, 2 combined switches, a centralized control bin and 2 SVG reactive compensation devices, the power supply and the control are carried out on the face power equipment, and the SVG reactive compensation devices reduce the long-distance power supply voltage loss; each chamber is also provided with an emulsion pump station and a spray pump station and corresponding pipeline systems; a1-station 500KVA dry-type transformer and a power supply circuit are installed to supply power for working face illumination, automatic control equipment, grouting, drainage and other auxiliary equipment.
Preferably, the mobile transformer station, the emulsion pump station and the spray pump station are divided into three steps which are sequentially connected and are linearly arranged, wherein the first step is provided with 1 high-voltage isolating switch, 26 KV/3300V mobile transformer stations, 16 KV/1140V mobile transformer stations, 1 1140V/127V combined switch and 1 3.3KV combined switch; the second step is provided with 1 spray pump box, the right side is connected with a 1# spray pump, a 2# spray pump and a 3# spray pump, and the right side of the 3# spray pump is provided with a water generator and a filtering device; the third ladder is provided with 1 liquid tank of joining in marriage, joins in marriage liquid tank right side and connects pure water filtration station, and 2# 2 liquid tanks are located 1# liquid tank and ordinary # 1 liquid tank both sides of taking the booster pump respectively, 3# liquid pump to and 1 filtration station.
Preferably, the emulsion pump station and the spray pump station comprise: the high-voltage isolating switch, the 500KVA dry-type transformer, the 1 feed switch, the 3 combined switches, the 1 comprehensive protection device, the 2 mobile substations, the 1 centralized control cabin, the 1 pump station control cabinet, the 1 spraying pump station and the 1 emulsifying pump station are arranged linearly, wherein the high-voltage isolating switch serves as an inlet, the centralized control cabin serves as a center, and the combined switches, the comprehensive protection device, the mobile substation, the recombination switches, the mobile substations and the last combined switch form an electric energy transmission and supply link.
Preferably, the emulsion pump station and the spray pump station are used for conveying high-pressure emulsion and spray water to the stope through a head crossheading through a high-pressure pipeline system.
Preferably, the emulsion pump station and the spray pump station are provided with remote control, so that unattended operation is realized.
Preferably, the emulsion pump station is provided with three pumps and two boxes, and the ratio is automatic; the spray pump station is provided with three pumps and one tank.
The application has the beneficial effects that:
(1) The remote power supply and liquid system for the fully-mechanized mining face equipment eliminates equipment trains, and the remote power supply and liquid special electromechanical chambers for the fully-mechanized mining face are arranged in a region far away from the mining influence area, so that the workload of bottom picking, side expanding and the like, which are originally influenced by the mining, is not generated any more, and the production investment and the labor cost are saved. The equipment arrangement can serve 3 fully-mechanized mining faces in the same mining area at least once, the safety risk of the forward equipment can not occur any more, the labor required by the original forward equipment train is reduced, and meanwhile, the fully-mechanized mining faces can be guaranteed to realize continuous safe production.
(2) According to the long-distance power supply and liquid system for the fully-mechanized mining face equipment, various conditions such as equipment installation size and requirement, space required for overhaul, hoisting anchor cables and safety production standardization requirement are considered when the long-distance power supply and liquid special-purpose electromechanical chamber of the fully-mechanized mining face is designed and constructed in the earlier stage, so that the safety of equipment operation and personnel overhaul is ensured, and the safety production standardization management level of the fully-mechanized mining electromechanical equipment is improved.
(3) The application relates to a long-distance power supply and liquid system of fully-mechanized coal mining face equipment, which is newly added with a flameproof and intrinsically safe (high-voltage) chain type static reactive generator for mining, and is used for active reactive compensation of the fully-mechanized coal mining face power supply system and independent compensation of a power supply transformer, so that the power factor is improved, the reactive current of a line is reduced, the line loss and transformer loss are reduced, and the electric charge is saved for a company; meanwhile, the terminal voltage of the line is improved, the problem that the terminal of the fully-mechanized coal mining face electric equipment is difficult to start during long-distance power supply is solved, and the purposes of energy saving, consumption reduction and safe operation of power supply are achieved.
(4) The remote power supply and liquid supply system for the fully-mechanized coal mining face equipment solves the problems that the ventilation resistance of the mining face is increased due to the fact that equipment trains are arranged in an air inlet roadway of an original fully-mechanized coal mining face and the ventilation section of the air inlet roadway is occupied, and the air flow of the fully-mechanized coal mining face is stable and gas is difficult to manage, and ensures the safe production of the fully-mechanized coal mining face of a mine.
Drawings
The application will be further described with reference to the drawings and examples.
FIG. 1 is a schematic diagram of a first ladder arrangement of a mobile substation, an emulsion pump station and a spray pump station;
FIG. 2 is a schematic diagram of a second ladder arrangement of mobile substation, emulsion pump station and spray pump station;
FIG. 3 is a schematic diagram of a third ladder arrangement of mobile substation, emulsion pump station and spray pump station;
FIG. 4 is a schematic diagram of a two-good five-harness face equipment arrangement;
FIG. 5 is a schematic diagram of an emulsion pump station and spray pump station apparatus arrangement;
FIG. 6 is a schematic diagram of the positions of a remote mobile substation, an emulsion pump station and a spray pump station in a secondary mining area;
Detailed Description
The application is further described in connection with the following detailed description in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the application easy to understand.
In the present embodiment, as a preferable scheme of the present example:
referring to fig. 1-6, the remote power supply and liquid supply system of fully-mechanized mining face equipment of the application comprises a power supply system and a liquid supply system, and is characterized in that remote power supply and liquid supply special chambers are arranged in the middle of the outer sides of the current and adjacent non-stoping face stoping lines, the power supply system and the liquid supply system are arranged in the chambers, the power supply system in each chamber comprises 2 4000kVA mobile substations, 2 combined switches, a centralized control bin and 2 SVG reactive compensation devices, and the SVG reactive compensation devices supply and control power to the face power equipment, so that the remote power supply voltage loss is reduced; each chamber is also provided with an emulsion pump station and a spray pump station and corresponding pipeline systems; a1-station 500KVA dry-type transformer and a power supply circuit are installed to supply power for working face illumination, automatic control equipment, grouting, drainage and other auxiliary equipment.
Specifically, the mobile substation, the emulsion pump station and the spray pump station are divided into three steps which are sequentially connected, and all the three steps are arranged linearly, wherein the first step is provided with 1 high-voltage isolating switch, 26 KV/3300V mobile substations, 16 KV/1140V mobile substations, 1 1140V/127V combined switch and 1 3.3KV combined switch; the second step is provided with 1 spray pump box, the right side is connected with a 1# spray pump, a 2# spray pump and a 3# spray pump, and the right side of the 3# spray pump is provided with a water generator and a filtering device; the third ladder is provided with 1 liquid tank of joining in marriage, joins in marriage liquid tank right side and connects pure water filtration station, and 2# 2 liquid tanks are located 1# liquid tank and ordinary # 1 liquid tank both sides of taking the booster pump respectively, 3# liquid pump to and 1 filtration station.
Specifically, emulsion pump station and spraying pump station include: the high-voltage isolating switch, the 500KVA dry-type transformer, the 1 feed switch, the 3 combined switches, the 1 comprehensive protection device, the 2 mobile substations, the 1 centralized control cabin, the 1 pump station control cabinet, the 1 spraying pump station and the 1 emulsifying pump station are arranged linearly, wherein the high-voltage isolating switch serves as an inlet, the centralized control cabin serves as a center, and the combined switches, the comprehensive protection device, the mobile substation, the recombination switches, the mobile substations and the last combined switch form an electric energy transmission and supply link.
Specifically, the emulsion pump station and the spray pump station are used for conveying high-pressure emulsion and spray water to the stope through a head crossheading through a high-pressure pipeline system.
Specifically, emulsion pump station and spraying pump station possess remote control, realize unmanned on duty.
Specifically, the emulsion pump station is provided with three pumps and two boxes, and the ratio is automatic; the spray pump station is provided with three pumps and one tank.
In this embodiment, as a preferred embodiment of this example, the working principle of the present application is:
The application relates to a long-distance power supply and liquid supply system for fully mechanized mining face equipment, which is characterized in that a special chamber is arranged at the outer middle part of a stoping line of the current and adjacent two undeveloped working faces. Various required electrical equipment, liquid control equipment and other necessary equipment are arranged in the chamber, such as a combination switch, a dry-type transformer, an explosion-proof reactive generator and the like. The high-voltage isolating switch is used as an inlet to isolate an external high-voltage power supply. Dry transformers convert high voltage electrical energy into a voltage suitable for use by devices within the system. The feed switch is connected to the output of the transformer, stable electric energy is introduced into the system, and then the electric energy is transmitted to each device of the fully-mechanized mining working face through a series of combination switches, a mobile substation and other devices. The combined switch is used for controlling the electric energy supply of the emulsion pump station and the spray pump station. The centralized control cabin is used as a core control room, monitors and manages the whole system and is connected to the pump station control cabinet so as to control the supply and spraying operation of the liquid. The liquid distribution box, the liquid pump and other equipment ensure the stability of liquid supply through connecting pipelines.
Meanwhile, a comprehensive protection device is arranged in the system to monitor and protect each device. The protection devices can monitor the state of the equipment in real time, and once abnormal conditions such as overload, short circuit and the like occur, the power supply can be automatically cut off, so that the safety of the equipment and personnel is ensured. The combined switch, the mobile substation and other equipment can ensure the coordinated operation of electric energy transmission and equipment operation so as to ensure the synchronous operation of power supply and liquid control and realize the normal operation of the working face equipment.
Through the working principle, the application solves the problems of the existing underground fully-mechanized mining face that the power supply and the liquid mode are frequently moved forward, the roadway deformation is influenced by mining, and the like, and ensures the continuous safe production of the fully-mechanized mining face, the personnel safety and the power supply safety during maintenance.
The foregoing has shown and described the basic principles, principal features and advantages of the application. It will be understood by those skilled in the art that the present application is not limited to the foregoing examples, and that the foregoing description and description are merely illustrative of the principles of this application, and various changes and modifications may be made without departing from the spirit and scope of the application, which is defined in the appended claims. The scope of the application is defined by the appended claims and equivalents thereof.
Claims (6)
1. The remote power and liquid supply system of the fully-mechanized mining face equipment comprises a power supply system and a liquid supply system, and is characterized in that remote power supply and liquid supply special chambers are arranged in the middle of the outside of a stoping line of the current and adjacent two non-stoping faces, the power supply system and the liquid supply system are arranged in the chambers, the power supply system in each chamber comprises 2 KVA mobile substations 4000, 2 combined switches, a centralized control bin and 2 SVG reactive compensation devices, the power supply and the control are realized for the face power equipment, and the SVG reactive compensation devices reduce remote power supply voltage loss; each chamber is also provided with an emulsion pump station and a spray pump station and corresponding pipeline systems; a1-station 500KVA dry-type transformer and a power supply circuit are installed to supply power for working face illumination, automatic control equipment, grouting, drainage and other auxiliary equipment.
2. The fully-mechanized coal mining face equipment remote power and fluid supply system as claimed in claim 1, wherein: the mobile transformer station, the emulsion pump station and the spray pump station are divided into three steps which are sequentially connected, and all the three steps are arranged linearly, wherein the first step is provided with 1 high-voltage isolating switch, 26 KV/3300V mobile transformer stations, 16 KV/1140V mobile transformer stations, 1 1140V/127V combined switch and 1 3.3KV combined switch; the second step is provided with 1 spray pump box, the right side is connected with a 1# spray pump, a 2# spray pump and a 3# spray pump, and the right side of the 3# spray pump is provided with a water generator and a filtering device; the third ladder is provided with 1 liquid tank of joining in marriage, joins in marriage liquid tank right side and connects pure water filtration station, and 2# 2 liquid tanks are located 1# liquid tank and ordinary # 1 liquid tank both sides of taking the booster pump respectively, 3# liquid pump to and 1 filtration station.
3. The fully-mechanized coal mining face equipment remote power and fluid supply system as claimed in claim 1, wherein: the emulsion pump station and the spray pump station comprise: the high-voltage isolating switch, the 500KVA dry-type transformer, the 1 feed switch, the 3 combined switches, the 1 comprehensive protection device, the 2 mobile substations, the 1 centralized control cabin, the 1 pump station control cabinet, the 1 spraying pump station and the 1 emulsifying pump station are arranged linearly, wherein the high-voltage isolating switch serves as an inlet, the centralized control cabin serves as a center, and the combined switches, the comprehensive protection device, the mobile substation, the recombination switches, the mobile substations and the last combined switch form an electric energy transmission and supply link.
4. A fully-mechanized coal mining face equipment remote power and fluid supply system as claimed in claim 3, wherein: and the emulsion pump station and the spray pump station are used for conveying high-pressure emulsion and spray water to the stope face through a head crossheading through a high-pressure pipeline system.
5. A fully-mechanized coal mining face equipment remote power and fluid supply system as claimed in claim 3, wherein: the emulsion pump station and the spray pump station are provided with remote control, so that unmanned on duty is realized.
6. A fully-mechanized coal mining face equipment remote power and fluid supply system as claimed in claim 3, wherein: the emulsion pump station is provided with three pumps and two boxes, and the mixing ratio is automatic; the spray pump station is provided with three pumps and one tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322230028.1U CN220815749U (en) | 2023-08-18 | 2023-08-18 | Long-distance power supply and liquid system for fully mechanized mining face equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322230028.1U CN220815749U (en) | 2023-08-18 | 2023-08-18 | Long-distance power supply and liquid system for fully mechanized mining face equipment |
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| Publication Number | Publication Date |
|---|---|
| CN220815749U true CN220815749U (en) | 2024-04-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322230028.1U Active CN220815749U (en) | 2023-08-18 | 2023-08-18 | Long-distance power supply and liquid system for fully mechanized mining face equipment |
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| Country | Link |
|---|---|
| CN (1) | CN220815749U (en) |
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2023
- 2023-08-18 CN CN202322230028.1U patent/CN220815749U/en active Active
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