CN203833017U - Coal bunker hydraulic automatic unblocking device - Google Patents
Coal bunker hydraulic automatic unblocking device Download PDFInfo
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- CN203833017U CN203833017U CN201420190353.8U CN201420190353U CN203833017U CN 203833017 U CN203833017 U CN 203833017U CN 201420190353 U CN201420190353 U CN 201420190353U CN 203833017 U CN203833017 U CN 203833017U
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- coal
- chute
- store
- coal bunker
- blockage
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Abstract
The utility model relates to a coal bunker hydraulic automatic unblocking device. The coal bunker hydraulic automatic unblocking device comprises a PLC (programmable logic controller) cabinet (15) and a coal flow sensor (14) arranged above a belt conveyer (3). The side wall of a bottom chute (5) of a coal bunker (1) is provided with a hydraulic coal cleaning device for discharging coal; the hydraulic coal cleaning device comprises a servo motor driving device outside the bottom chute (5), a worm (6) which is arranged on the inner wall of the bottom chute (5) and connected with the output shaft of the servo motor driving device, a worm wheel (7) which is arranged on the inner wall of the bottom chute (5) and matched with the worm (6) for transmission, a spray nozzle protecting plate (8) swinging along with the mandrel of the worm wheel (7), high-pressure spray nozzles (9) fixed onto the spray nozzle protecting plate (8), a water pipe (10) with an electric gate valve, a first limiter (11) arranged on the upper side of the spray nozzle protecting plate (8), and a second limiter (12) on the bottom side of the spray nozzle protecting plate (8). The coal bunker hydraulic automatic unblocking device can rapidly solve the problem of coal blocking of the coal bunker and accordingly greatly improve the working efficiency.
Description
Technical field
The utility model belongs to mining machinery field, is specifically related to a kind of coal bunker hydraulic automatism blockage-clearing device.
Background technology
The function of coal bunker is defeated coal, and has the effect of coal storage buffering.But in actual use, due to the effect of the internal pressure of coal and the antagonistic force of bulkhead, tend to produce chute blockage phenomenon, particularly sleety weather, moisture in coal increases, and the viscosity of coal intergranular increases, and more easily produces chute blockage phenomenon.The continuity that can affect whole defeated coal after chute blockage, dredging can cause coal mining area coal not in time, affects subsequent production.
What at present, the application of processing chute blockage accident was more is air bubble method.And in actual applications, the dredging of especially large-scale coal bunker, because the different-effect of the plan of establishment, quantity and chute blockage character is poor, substantially all on the shelf.Be exactly to adopt artificial or machinery dredging in addition.Because the artificial dredging time is long, efficiency is low, and may jeopardize personal safety, almost seldom adopts.For mechanical dredging method, because the condition location such as the reason to ature of coal and generation chute blockage are inadequate, so be also seldom used in actual applications.
In the prior art, for the patent of " CN103612844A " discloses, a kind of name is called " the automatic block clearing method and apparatus that mine fine ore bin feed opening stops up " it comprises fine ore bin and is arranged on the vibrator at fine ore bin feed opening place publication number, it is mainly to utilize the effect of vibration of vibrator to make fine ore bin produce high vibration at feed opening, thereby thereby makes the loose latch up phenomenon of eliminating of fine ore in fine ore bin.This blockage-clearing device and Method of blockage removal thereof, first in block clearing process, as run into cohesive material, only can vibrate and more harden; Secondly, as run into large-scale coal bunker, in its coal bunker, coal storage reaches even up to ten thousand tons of weights of several kilotons, generally, eliminates obstruction by motor oscillating, does not play any effect at all; Moreover vibrator not only can produce violent noise when coal bunker is vibrated, and device lifetime is short, is not easy in actual use promote.
Summary of the invention
The present invention be exactly for prior art when the coal bunker block clearing, mechanical dredging method efficiency is low, weak effect, vibration block clearing method block clearing effect is undesirable, need constantly vibration, cause produce violent noise and device lifetime short problem, and provide a kind of coal bunker hydraulic automatism blockage-clearing device and Method of blockage removal thereof.
The technical solution used in the present invention: a kind of coal bunker hydraulic automatism blockage-clearing device, it comprises coal store 1, can control the frequency conversion feeder 2 of coal-supplying amount size at least two, belt feeder 3, the top of coal store 1 is provided with the level-sensing device 4 for monitoring coal storage, comprise PLC control housing 15, be arranged on the coal flow sensor 14 of belt feeder 3 tops, under the storehouse of coal store 1, on the sidewall of chute 5, be provided with the clear device for coal of waterpower for making to let out under coal, the clear device for coal of described waterpower comprises the servo motor driving device that is arranged on chute 5 outsides under storehouse, be arranged on the worm screw 6 being connected with described servo motor driving device output shaft on chute 5 madial walls under storehouse, be arranged on the worm gear 7 that coordinates transmission with worm screw 6 on chute 5 madial walls under storehouse, the shower nozzle fender 8 swinging with worm gear 7 axles, be fixed on high-pressure nozzle 9 on shower nozzle fender 8 and the water pipe 10 with electric gate valve, be arranged on first limiting device 11 and the second limiting device 12 that is arranged on shower nozzle fender 8 downsides of shower nozzle fender 8 upsides, described PLC control housing 15 is connected with frequency conversion feeder 2, belt feeder 3, level-sensing device 4, electric gate valve, the first limiting device 11, the second limiting device 12 and coal flow sensor 14 respectively.
Further, on coal store 1, be provided with chute 5 under at least two storehouses, under each storehouse, on chute 5, be provided with the clear device for coal of at least one waterpower, the block clearing while being beneficial to putty.
Further, also comprise coal breakage baffle plate 13 and playback bracing frame 16, coal breakage baffle plate 13 is fixed on the inner side of coal store 1 and the top of high-pressure nozzle 9, playback bracing frame 16 is fixed on the inner side of coal store 1, while work, coal breakage baffle plate 13 and playback bracing frame 16 form the coffin of a lower opening, prevent that coal breakage from smashing or stopping up high-pressure nozzle 9.
Further, also comprise water pipe pressure device 17, high-pressure nozzle 9 is connected with water pipe pressure device 17, and described high-pressure nozzle 9 is rotatable high-pressure nozzle.
The present invention compared with prior art its beneficial effect is:
1. the present invention is directed to the problem that coal store stops up, solve problem from coal self-characteristic, because coal has hygroscopic character and flowing power very easily, absorb certain moisture and just can significantly reduce friction coefficient later, the characteristic that chute blockage is let out under just can be freely under the effect of deadweight, and customized design the clear device for coal of waterpower of the present invention;
2. after adopting the present invention, only need within 3-5 minute, just can process quickly coal bunker chute blockage phenomenon, greatly improved work efficiency;
3. the present invention has adopted PLC automation control system, only need on PLC control housing, input parameter preset, just can realize the automatic management of clear coal, without artificial participation, not only substantial length of operation control is accurate, and greatly reduces the generation of labour cost and potential safety hazard; Meanwhile, for the convenience of practical operation and reply burst accident, the control of hydraulic automatism blockage-clearing device can also be carried out Long-distance Control and freely switching of control on the spot.
4. owing to having adopted Method of blockage removal of the present invention, realize the orderly control of PLC control housing to frequency conversion feeder, belt feeder, level-sensing device, electric gate valve, the first limiting device, the second limiting device and coal flow sensor etc., make block clearing process, and the problem running into when block clearing, can obtain accurately controlling efficiently and effectively, really accomplish fully automated management.
Brief description of the drawings
Fig. 1 is structural representation of the present invention;
Fig. 2 is the structural representation that playback bracing frame is connected with worm and gear and high-pressure nozzle.
Detailed description of the invention
, further elaborate to the specific embodiment of the present invention below in conjunction with accompanying drawing 1 and Fig. 2.
Embodiment 1
A kind of coal bunker hydraulic automatism blockage-clearing device, it comprises coal store 1, 2 two of frequency conversion feeders, belt feeder 3, the top of coal store 1 is provided with the level-sensing device 4 for monitoring coal storage, comprise PLC control housing 15, be arranged on the coal flow sensor 14 of belt feeder 3 tops, under the storehouse of coal store 1, on the sidewall of chute 5, be provided with a clear device for coal of waterpower for letting out under coal, the clear device for coal of described waterpower comprises the frequency conversion servo motor driving device that is arranged on chute 5 outsides under storehouse, be arranged on the worm screw 6 being connected with described frequency conversion servo motor driving device output shaft on chute 5 madial walls under storehouse, be arranged on the worm gear 7 that coordinates transmission with worm screw 6 on chute 5 madial walls under storehouse, the shower nozzle fender 8 swinging with worm gear 7 axles, be fixed on rotatable high-pressure nozzle 9 on shower nozzle fender 8 and the water pipe 10 with electric gate valve, be arranged on first limiting device 11 and the second limiting device 12 that is arranged on shower nozzle fender 8 downsides of shower nozzle fender 8 upsides, wherein also comprise coal breakage baffle plate 13 and playback bracing frame 16, coal breakage baffle plate 13 is fixed on the inner side of coal store 1 and the top of high-pressure nozzle 9, playback bracing frame 16 is fixed on the inner side of coal store 1, while work, coal breakage baffle plate 13 and playback bracing frame 16 form the coffin of a lower opening, prevent that coal breakage from stopping up high-pressure nozzle 9.Also comprise water pipe pressure device 17, high-pressure nozzle 9 is connected with water pipe pressure device 17, and described PLC control housing 15 is connected with frequency conversion feeder 2, belt feeder 3, level-sensing device 4, electric gate valve, the first limiting device 11, the second limiting device 12 and coal flow sensor 14 respectively.PLC control housing 15 is accessible Production Scheduling System also, realizes Long-distance Control and freely switching of control on the spot.
A Method of blockage removal that utilizes above-mentioned coal bunker hydraulic automatism blockage-clearing device, it comprises the following steps:
1. when coal store coal storage is 450 ton hours, set a low level limit value 2m to the level-sensing device on coal store, two coal-supplying amount opening values that feeder is set are 25 hertz and 50 hertz;
2. be 2m by the low level limit value of the level-sensing device on coal store being set at PLC control housing, in the time that the numerical value of actual material level in coal store is greater than low level limit value 2m, manually or to be opened by PLC control housing control feeder end opening be 25 hertz of opening values, after feeder starts 3 minutes, when coal flow sensor detects that coal on belt feeder stream signal is very weak or there is no coal stream signal, for there being material in coal store, but do not fall, for chute under the storehouse of coal store is smooth or the phenomenon of putty has occurred, now, manually or open 50 hertz of the second opening values by PLC control housing control feeder end opening,
3. when coal flow sensor continues to receive coal stream signal or coal stream pickup signal changes obviously, be that coal store blanking is once in a while not smooth, manually or by PLC control housing, the coal-supplying amount opening value of feeder is adjusted to 25 hertz of reasonable feed states automatically;
4. when detecting coal stream signal, coal flow sensor there is not obvious variation, PLC control housing can be judged to be feed opening putty, thus, the clear device for coal of PLC control housing control waterpower starts coal store is carried out to waterpower block clearing operation, now shower nozzle fender triggers the first limiting device, electric gate valve on the water pipe of PLC control housing control simultaneously starts water spray, then servo motor driving device moves and drives worm gear by default frequency of operation value, waterpower block clearing operation is carried out in worm screw action, in the time that block clearing operation completes, electric gate valve on the coal stream signal control water pipe that PLC control housing can be passed back according to coal flow sensor stops water spray, shower nozzle fender drives high-pressure nozzle return and contacts with the second limiting device, servo motor driving device quits work simultaneously, now when coal flow sensor continues to receive coal stream signal, coal store is normally unloaded coal.
Embodiment 2
In embodiment 2 except feeder 2 be three, coal store 1 be storehouse under chute 5 be three, under storehouse, on the sidewall of chute 5, be provided with two for outside the clear device for coal of waterpower of letting out under coal, all the other devices are identical with the coal bunker hydraulic automatism blockage-clearing device described in embodiment 1.
A Method of blockage removal that utilizes above-mentioned coal bunker hydraulic automatism blockage-clearing device, it comprises the following steps:
1. when coal store coal storage is 1000 ton hours, set a low level limit value 4m to the level-sensing device on coal store, setting two coal-supplying amount opening values to feeder is 25 hertz and 50 hertz;
2. the low level limit value 4m by PLC control housing, the level-sensing device on coal store being set, in the time that the numerical value of actual material level in coal store is greater than the low level limit value 4m of setting, manually or by PLC control housing control feeder end opening open 25 hertz of opening values, feeder starts after certain hour 10 minutes, when coal flow sensor detects that coal on belt feeder stream signal is very weak or there is no coal stream signal, for there being material in coal store, but do not fall, for chute under the storehouse of coal store is smooth or the phenomenon of putty has occurred, now, manually or by PLC control housing control feeder end opening open 50 hertz of opening values,
3. when coal flow sensor continues to receive coal stream signal or coal stream pickup signal changes obviously, be that coal store blanking is once in a while not smooth, manually or by PLC control housing, the coal-supplying amount opening value of feeder is adjusted to 25 hertz of reasonable feed states automatically;
4. when detecting coal stream signal, coal flow sensor there is not obvious variation, PLC control housing can be judged to be coal bunker putty, thus, the clear device for coal of PLC control housing control waterpower starts chute under the storehouse of coal store is carried out to waterpower block clearing operation, now shower nozzle fender triggers the first limiting device, electric gate valve on the water pipe of PLC control housing control simultaneously starts water spray, then servo motor driving device moves and drives worm gear by default frequency of operation value, waterpower block clearing operation is carried out in worm screw action, in the time that block clearing operation completes, electric gate valve on the coal stream signal control water pipe that PLC control housing can be passed back according to coal flow sensor stops water spray, shower nozzle fender drives high-pressure nozzle return and contacts with the second limiting device, servo motor driving device quits work simultaneously, now when coal flow sensor continues to receive coal stream signal, coal store is normally unloaded coal.
More than describe preferred embodiment of the present invention in detail.The ordinary skill that should be appreciated that this area just can design according to the present invention be made many modifications and variations without creative work.Therefore, all technical personnels in the art, all should be in by the determined protection domain of claims under this invention's idea on the basis of existing technology by the available technical scheme of logical analysis, reasoning, or a limited experiment.
Claims (4)
1. a coal bunker hydraulic automatism blockage-clearing device, it comprises coal store (1), frequency conversion feeder (2), belt feeder (3), the top of coal store (1) is provided with the level-sensing device (4) for monitoring coal storage, it is characterized in that: comprise PLC control housing (15), be arranged on the coal flow sensor (14) of belt feeder (3) top, under the storehouse of coal store (1), on the sidewall of chute (5), be provided with the clear device for coal of waterpower for making to let out under coal, the clear device for coal of described waterpower comprises the servo motor driving device that is arranged on chute under storehouse (5) outside, be arranged on the worm screw (6) being connected with described servo motor driving device output shaft on chute under storehouse (5) madial wall, be arranged on the worm gear (7) that coordinates transmission with worm screw (6) on chute under storehouse (5) madial wall, the shower nozzle fender (8) swinging with worm gear (7) axle, be fixed on high-pressure nozzle (9) on shower nozzle fender (8) and the water pipe (10) with electric gate valve, be arranged on first limiting device (11) of shower nozzle fender (8) upside and be arranged on second limiting device (12) of shower nozzle fender (8) downside, described PLC control housing (15) is connected with frequency conversion feeder (2), belt feeder (3), level-sensing device (4), electric gate valve, the first limiting device (11), the second limiting device (12) and coal flow sensor (14) respectively.
2. a kind of coal bunker hydraulic automatism blockage-clearing device according to claim 1, it is characterized in that: on coal store (1), be provided with chute under at least two storehouses (5), on chute under each storehouse (5), be provided with the clear device for coal of at least one waterpower, the block clearing while being beneficial to putty.
3. a kind of coal bunker hydraulic automatism blockage-clearing device according to claim 1, it is characterized in that: also comprise coal breakage baffle plate (13) and playback bracing frame (16), coal breakage baffle plate (13) is fixed on the inner side of coal store (1) and the top of high-pressure nozzle (9), playback bracing frame (16) is fixed on the inner side of coal store (1), while work, coal breakage baffle plate (13) and playback bracing frame (16) form the coffin of a lower opening, prevent that coal breakage from smashing or stopping up high-pressure nozzle (9).
4. a kind of coal bunker hydraulic automatism blockage-clearing device according to claim 1, is characterized in that: also comprise water pipe pressure device (17), high-pressure nozzle (9) is connected with water pipe pressure device (17), and described high-pressure nozzle (9) is rotatable high-pressure nozzle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420190353.8U CN203833017U (en) | 2014-04-18 | 2014-04-18 | Coal bunker hydraulic automatic unblocking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420190353.8U CN203833017U (en) | 2014-04-18 | 2014-04-18 | Coal bunker hydraulic automatic unblocking device |
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| Publication Number | Publication Date |
|---|---|
| CN203833017U true CN203833017U (en) | 2014-09-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420190353.8U Expired - Fee Related CN203833017U (en) | 2014-04-18 | 2014-04-18 | Coal bunker hydraulic automatic unblocking device |
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| Country | Link |
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| CN (1) | CN203833017U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103979229A (en) * | 2014-04-18 | 2014-08-13 | 李长龙 | Hydraulic automatic cleaning device for coal bunker and cleaning method thereof |
-
2014
- 2014-04-18 CN CN201420190353.8U patent/CN203833017U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103979229A (en) * | 2014-04-18 | 2014-08-13 | 李长龙 | Hydraulic automatic cleaning device for coal bunker and cleaning method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C53 | Correction of patent for invention or patent application | ||
| CB03 | Change of inventor or designer information |
Inventor after: Chang Honglian Inventor after: Yan Lifeng Inventor after: Li Shuo Inventor after: Li Changlong Inventor before: Yan Lifeng Inventor before: Li Shuo Inventor before: Li Changlong |
|
| COR | Change of bibliographic data |
Free format text: CORRECT: INVENTOR; FROM: YAN LIFENG LI SHUO LI CHANGLONG TO: CHANG HONGLIAN YAN LIFENG LI SHUO LI CHANGLONG |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140917 Termination date: 20160418 |