CN201174616Y - Power supplying device for mine well part fan - Google Patents
Power supplying device for mine well part fan Download PDFInfo
- Publication number
- CN201174616Y CN201174616Y CNU2008201079383U CN200820107938U CN201174616Y CN 201174616 Y CN201174616 Y CN 201174616Y CN U2008201079383 U CNU2008201079383 U CN U2008201079383U CN 200820107938 U CN200820107938 U CN 200820107938U CN 201174616 Y CN201174616 Y CN 201174616Y
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- portable blower
- power supply
- fan
- station
- box type
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Abstract
The utility model provides a local fan power supply device for a mine, mainly used for the uninterrupted power supply of a local fan of a coal mine. The device mainly comprises a high voltage vacuum switch of a central transformer station, a high voltage vacuum switch of a mining area transformer station, a main local fan, a secondary local fan, a spare automatic switching device and a ground box transformer, wherein the system comprises systematic improvements of the mining central transformer station and the mining area transformer station; as for the convenience of switching the fans, the mode of the automatic switching of the main local fan and the secondary local fan is adopted; when the main local fan is shut down suddenly, the secondary local fan automatically starts, and the response time is much short, thereby ensuring the normal ventilation of the working faces; and an operator starts to find out why the main local fan is shut down suddenly and makes the troubleshooting in time so as to avoid the phenomena of underground blowing-out and accumulation of gases caused by the electromechanical failure of the local fan.
Description
Technical field
The utility model relates to the device of portable blower power supply under a kind of mine, and a kind of device that reduces portable blower power supply under the mine that has a power failure or do not have a power failure especially is provided.
Background technology
At present, gushing out of China's coal-mine gas caused a lot of coal mining accidents.Especially the big area of gas emission, continuous extension along with mining depth, the continuous expansion of exploitation scale, gas emission also increases year by year, and the coal mine gas accident has 70% to occur in driving face according to statistics, and major part occurs in the moment of firedamp drainage, no matter be coal mine under the unified-allocation system or local mine, also, the possibility that gas accident takes place is arranged all no matter be that management is strict or the mine that management is loose.
In order to solve the reliability and the driving face gas exceeding limit problem of booster power supply, " safety regulations in coal mine " regulation: " in gas ejection zone, highly gassy mine, coal (rock) and gas (carbon dioxide) projecting mine, the booster of driving face should adopt dedicated transformer, special switch, special circuit (be called for short three special) to power." be the power supply of each local fan of heading face, directly adopt special high-pressure switch, dedicated transformer, private cable to power to booster by working section sub station.Therefore " safety regulations in coal mine " the 128th, 129 and 141 all there are strict requirements to the power supply of driving face blower fan and control and firedamp drainage.Although stipulate very strict, but because the administrative reason of power supply unit own, the blowing-out machine causes the phenomenon of methane accumulation inevitable, although take proper measure gas-removing during firedamp drainage, control mixes distinguished and admirable gas density, and driving face exists the gas of one section 5% ~ 16% explosion limit to move in distinguished and admirable after all, it is major hidden danger, if this distress phase is in shank fracture in distinguished and admirable flow process, metal canopy friction texturizing and produce spark is certain to take place gas accident.
Therefore, all exist driving face blower fan power supply reliability poor in the existing technology, cause the shortcoming of gas accident easily.
Summary of the invention
The purpose of this utility model is to provide the device of portable blower power supply under a kind of mine, and this device can improve driving face blower fan power supply reliability, reduces to have a power failure or do not have a power failure, and solves the methane accumulation that blowing-out causes, and eliminates gas accident.
The utility model is to adopt following technical scheme to realize: the device of portable blower power supply comprises the central substation high-pressure vacuum switch under this mine, the working section sub station high-pressure vacuum switch, the main station fan, secondary portable blower, wherein the central substation high-pressure vacuum switch is connected with the working section sub station high-pressure vacuum switch, main station fan and secondary portable blower are connected with the working section sub station high-pressure vacuum switch by shifting converter separately, this device comprises that also a liquid is soaked with the voltage adjustment of on-load box type transformer in addition, this transformer can be that model is that the fire-resistant fluid of FKJTSRNZ-M-1250/35/6 type is soaked with the box transformer of voltage adjustment of on-load, this transformer is installed on the ground, described liquid is soaked with the voltage adjustment of on-load box type transformer and is connected with described central substation high-pressure vacuum switch, the power supply of main station fan is by drawing the 35KV double-cricuit supply to the power supply backup auto-activating device on the ground 35KV 35KV of the electric substation bus, arrive box type transformer again, after the box type transformer step-down is 6KV, be fed to the down-hole central substation; Fanning special-purpose height through down-hole central substation main station then opens and delivers to each working section sub station main station and fan special-purpose height and open; Fanning special-purpose height through each working section sub station main station opens to deliver to and delivers to each face main station fan control switch after the special use of exploiting field main station fan moves change.
Secondary portable blower power supply by on the ground 35KV 6KV of the electric substation bus behind the control high-voltage board, the 6KV power supply is fed to the special-purpose height of the secondary portable blower of down-hole central substation and opens, open through the special-purpose height of the secondary portable blower of down-hole central substation and to be fed to the special-purpose height of the secondary portable blower of each working section sub station and to open, be fed to the secondary portable blower special use of working section sub station then and move change, move by the secondary portable blower special use of working section sub station again and be fed to the secondary portable blower control switch of each development end after becoming step-down.
This mine down-hole portable blower electric supply installation has really been realized the standby mutually of two blower fans and duplicate supply.To be exactly main station fan and secondary portable blower use power supply be three special despatch sources independently separately to the advantage of this supply power mode, unaffected mutually.
Secondary portable blower can be charged standby when normal the use for the main station fan, also can overhaul and do various tests.When secondary portable blower used, the main station fan also can overhaul and do various tests.The electric power system of two blower fans and blower fan all is in normal operating condition, and main station fan and secondary portable blower can also the mutual operations of falling the machine after operation a period of time.
Owing to realized that two three specialize in electric mode and power,, can accomplish not blowing-out between turn(a)round fully when maintenance so electric power system can be carried out in segmentation.Basically eliminated because power supply is overhauled the long-time blowing-out phenomenon that increase and dismounting power supply, power supply test and functional failure of electromechanical cause.
In addition, in order to realize lock between air and electricity and gas electric locking function, the device major-minor portable blower that this mine down-hole portable blower two three is specialized in electricity also comprises blower fan, the Switching Power Supply side of every transportation work style machine is installed an intelligent cutoff instrument respectively, be respectively blower fan service separately, be controlled by the ground central station of monitoring system.The normal opened contact of each the group fan switch control circuit that forms output of connect with the cutoff instrument normally closed contact is in parallel with another control circuit of organizing blower fan formation, and such words has just been realized lock between air and electricity and gas electric locking function.And, for the easy switching of blower fan, the mode that has adopted the major-minor portable blower to automatically switch, when the main station fan shut down suddenly, secondary portable blower started automatically, and the reaction time is very short, thereby has guaranteed the normal ventilation of working face.And then search the reason that the main station fan has a power failure suddenly, in time handling failure has been stopped because the functional failure of electromechanical of portable blower causes the phenomenon of down-hole blowing-out methane accumulation.
Description of drawings
Below in conjunction with drawings and Examples the utility model is further specified.
Fig. 1 is one of electric supply installation schematic diagram of down-hole portable blower in the prior art
Fig. 2 is the electric supply installation schematic diagram of the utility model down-hole portable blower
1.FK backup auto-activating device among the figure, 2. case becomes FKJTSRNZ-M-1250/35/6,3. central substation high-pressure vacuum switch, 4. the working section sub station high-pressure vacuum switch 5. moves change, 6. moves change, 7. main station fan, 8. secondary portable blower, 9.35Kv electric substation.
Embodiment
Embodiment one
The power supply of down-hole major-minor portable blower is all from each working section sub station (seeing accompanying drawing one).This supply power mode exists very big defective, and major-minor portable blower power supply is all being produced on the power supply.Because production supply line accident is more, in case the top lock outage of therefore breaking down in the production supply line, the down-hole portable blower blowing-out that will have a power failure so, face is easy to cause the methane accumulation phenomenon.Power supply quality is extremely unreliable, and fan operation can not guarantee.
Embodiment two
Fig. 2 is the electric supply installation schematic diagram of the utility model down-hole portable blower, the electric supply installation of the utility model down-hole portable blower specifically comprises: backup auto-activating device (1), ground box type transformer (2), central substation high-pressure vacuum switch (3), working section sub station high-pressure vacuum switch (4), main station fan (7) and secondary portable blower (8), wherein central substation high-pressure vacuum switch (3) is connected with working section sub station high-pressure vacuum switch (4), main station fan (7) and secondary portable blower (8) pass through shifting converter (5) separately, (6) be connected with working section sub station high-pressure vacuum switch (4), this device also comprises a backup auto-activating device (1), this backup auto-activating device (1) provides 35KV transformation station power supply, this backup auto-activating device (1) links to each other with described box type transformer (2), powers to down-hole main station fan (7) separately by central substation high-pressure vacuum switch (3).This device comprises also that in addition a liquid is soaked with voltage adjustment of on-load box type transformer (2), and this transformer is that model is that the fire-resistant fluid of FKJTSRNZ-M-1250/35/6 type is soaked with the box transformer of voltage adjustment of on-load (2).This transformer (2) is installed on the ground, described liquid is soaked with voltage adjustment of on-load box type transformer (2) and is connected with described central substation high-pressure vacuum switch (3), main station fan (7) power supply is by drawing the 35KV double-cricuit supply to box type transformer (2) on ground 35KV electric substation (9) the 35KV bus, also can adopt ground 35KV transformation station power supply backup auto-activating device (1), after box type transformer (2) step-down is 6KV, be fed to the down-hole central substation; Fanning special-purpose height through down-hole central substation main station then opens and delivers to each working section sub station main station and fan special-purpose height and open; Fanning special-purpose height through each working section sub station main station opens to deliver to and delivers to each face main station fan control switch after the special use of exploiting field main station fan moves change.
Secondary portable blower (8) power supply by on the ground 35KV 6KV of the electric substation bus behind the control high-voltage board, the 6KV power supply is fed to the special-purpose height of the secondary portable blower (8) of down-hole central substation and opens, open through the special-purpose height of the secondary portable blower of down-hole central substation and to be fed to the special-purpose height of the secondary portable blower of each working section sub station and to open, be fed to the secondary portable blower special use of working section sub station then and move change, move by the secondary portable blower special use of working section sub station again and be fed to the secondary portable blower control switch of each development end after becoming step-down.
Secondary portable blower (8) can be charged standby when normal the use for main station fan (7), also can overhaul and do various tests.When secondary portable blower (8) used, main station fan (7) also can overhaul and do various tests.The electric power system of two blower fans and blower fan all is in normal operating condition, and main station fan (7) and secondary portable blower (8) can also the mutual operations of falling the machine after operation a period of time.
Owing to realized that two three specialize in electric mode and power,, can accomplish not blowing-out between turn(a)round fully when maintenance so electric power system can be carried out in segmentation.Basically eliminated because power supply is overhauled, the long-time blowing-out phenomenon that increase and dismounting power supply, power supply test and functional failure of electromechanical cause, the supplier of electricity device of this down-hole portable blower is seen accompanying drawing two.
The electric supply installation of a kind of down-hole portable blower that the utility model proposes has stopped because the down-hole portable blower blowing-out former thereby that cause of powering Have a power failure and cause the accident of methane accumulation. The utility model is certainly standby by installing box type transformer (2) and ground 35KV transformation station power supply The mutually for subsequent use of two blower fans and dual power supply really realized in colliery behind the throwing device (1). This ground transformer substation three that extends to is specialized in The advantage of electricity mode:
1) being exactly main station fan and secondary portable blower use power supply is three special despatch sources independently separately, mutually unaffected;
2) secondary portable blower can be charged for subsequent use when normal the use for the main station fan, also can overhaul and do various tests;
When 3) secondary portable blower used, the main station fan also can overhaul and do various tests;
4) electric power system of two blower fans and blower fan all is in normal operating condition, main station fan and secondary portable blower after moving a period of time, The mutually operation of falling the machine;
5) owing to realized that two three specialize in electric mode and power, so electric power system can be carried out when maintenance in segmentation, can accomplish fully Not blowing-out between turn(a)round.
Claims (7)
1, the device of portable blower power supply under a kind of mine, this device mainly comprises central substation high-pressure vacuum switch, working section sub station high-pressure vacuum switch, main station fan, secondary portable blower, backup auto-activating device and ground box type transformer, and its system comprises the electric power system transformation of down-hole central substation, working section sub station.Wherein central substation is connected with working section sub station, main station fan and secondary portable blower are connected with working section sub station by shifting converter separately, it is characterized in that: this device has added backup auto-activating device in original electric power system and liquid is soaked with the voltage adjustment of on-load box type transformer, described backup auto-activating device one end is connected with 35KV power transformation bus, the other end is soaked with the voltage adjustment of on-load box type transformer with described liquid and links to each other, described liquid is soaked with the voltage adjustment of on-load box type transformer and is connected with described central high-pressure vacuum switch, and described liquid is soaked with the voltage adjustment of on-load box type transformer and powers to down-hole main station fan or secondary portable blower separately by the central substation that connects.
2, the device of portable blower power supply under the mine according to claim 1 is characterized in that described backup auto-activating device is the FKJT-2006 backup auto-activating device; Described ground box type transformer is that to be soaked with the voltage adjustment of on-load box type transformer be that the fire-resistant fluid of FKJTSRNZ-M-1250/35/6 type is soaked with the box transformer of voltage adjustment of on-load to liquid.
3, the device of portable blower power supply under the mine according to claim 2, described liquid is soaked with the voltage adjustment of on-load box type transformer and is connected separately by central substation and further comprises to the power supply of down-hole main station fan: the power supply of main station fan is drawn the 35KV double-cricuit supply to box type transformer on by the ground 35KV 35KV of electric substation bus, is fed to the down-hole central substation after the box type transformer step-down is 6KV; Fanning special-purpose height through down-hole central substation main station then opens and delivers to each working section sub station main station and fan special-purpose height and open; Fanning special-purpose height through each working section sub station main station opens to deliver to and delivers to each face main station fan control switch after the special use of exploiting field main station fan moves change.
4, the device of portable blower power supply under the mine according to claim 2, described liquid is soaked with the voltage adjustment of on-load box type transformer, and secondary portable blower power supply further comprises to the down-hole separately by the central substation that connects: secondary portable blower power supply by the ground 35KV 6KV of electric substation bus on behind the control high-voltage board, the 6KV power supply is fed to the special-purpose height of the secondary portable blower of down-hole central substation and opens, open through the special-purpose height of the secondary portable blower of down-hole central substation and to be fed to the special-purpose height of the secondary portable blower of each working section sub station and to open, be fed to the secondary portable blower special use of working section sub station then and move change, move by the secondary portable blower special use of working section sub station again and be fed to the secondary portable blower control switch of each development end after becoming step-down.
5, the device of powering according to portable blower under each described mine of claim 1 to 4, this device further comprises: blower fan apparatus, blower fan apparatus is positioned at the major-minor portable blower, the Switching Power Supply side of every transportation work style machine is installed an intelligent cutoff instrument respectively, this intelligent cutoff instrument is controlled by the ground central station of monitoring system, and the normal opened contact of each the group fan switch control circuit that forms output of connect with the cutoff instrument normally closed contact is in parallel with another control circuit of organizing blower fan formation.
6, the device of portable blower power supply under the mine according to claim 5 is characterized in that, when one of major-minor portable blower shuts down, automaticallyes switch between the major-minor portable blower.
7, the device of portable blower power supply under the mine according to claim 6, it is characterized in that, the device of portable blower power supply further comprises backup auto-activating device under this mine, this backup auto-activating device provides 35KV transformation station power supply, this backup auto-activating device links to each other with described box type transformer, powers to down-hole main station fan separately by central high-pressure vacuum switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201079383U CN201174616Y (en) | 2008-03-27 | 2008-03-27 | Power supplying device for mine well part fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201079383U CN201174616Y (en) | 2008-03-27 | 2008-03-27 | Power supplying device for mine well part fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201174616Y true CN201174616Y (en) | 2008-12-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201079383U Expired - Fee Related CN201174616Y (en) | 2008-03-27 | 2008-03-27 | Power supplying device for mine well part fan |
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| Country | Link |
|---|---|
| CN (1) | CN201174616Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103711520A (en) * | 2013-12-17 | 2014-04-09 | 国投新集能源股份有限公司 | Underground local ventilator power supply system |
-
2008
- 2008-03-27 CN CNU2008201079383U patent/CN201174616Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103711520A (en) * | 2013-12-17 | 2014-04-09 | 国投新集能源股份有限公司 | Underground local ventilator power supply system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| DD01 | Delivery of document by public notice |
Addressee: Di Lidong Document name: Notification to Pay the Fees |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20081231 Termination date: 20100327 |