CN105059871A - Anti-coal-interruption coal feeder for thermal power plant - Google Patents
Anti-coal-interruption coal feeder for thermal power plant Download PDFInfo
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- CN105059871A CN105059871A CN201510474462.1A CN201510474462A CN105059871A CN 105059871 A CN105059871 A CN 105059871A CN 201510474462 A CN201510474462 A CN 201510474462A CN 105059871 A CN105059871 A CN 105059871A
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- coal
- transport tape
- warehouse
- deironing
- shell
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Abstract
The invention discloses an anti-coal-interruption coal feeder for a thermal power plant. The anti-coal-interruption coal feeder for the thermal power plant comprises a shell and a coal bin. Base legs are arranged at the bottom of the shell. An iron removal conveying belt is arranged on the upper left of a weighing conveying belt in the shell. The iron removal conveying belt and the weighing conveying belt are closed loops. The top of the shell and the upper portion of the left side of the ion removal conveying belt are further provided with a coal inlet. The coal bin is arranged above the coal inlet. The coal bin is formed by connecting an upper conical bin body and a lower conical bin body. When coal powder is fed into the iron removal conveying belt from the coal inlet, scrap iron and screws in the coal powder are attracted by magnets on the iron removal conveying belt and will not fall onto the weighing conveying belt under the action of an electric vibrator. The quality of the coal powder is guaranteed. The coal bin is composed of two layers of bin bodies each of conical structures. When coal enters the lower conical bin body from the upper conical bin body, the section areas of the conical bodies suddenly become large, the pressure of the conical walls on the two sides on raw coal is correspondingly reduced, the descending speed of the raw coal is suddenly increased, a local vibration effect is formed, and material blockage is avoided.
Description
Technical field
The present invention relates to thermal power plant technical field, specifically the anti-breaking coal feeder of a kind of thermoelectric power station.
Background technology
At thermoelectric power station, need to boiler conveying coal, common feeder can not remove the iron nail, iron wire, screw etc. that are mixed in coal, these iron contaminations are easily sintered in boiler, is not easy to cleaning, in addition, common feeder can not grasp the weight of the coal sending into boiler at any time, be not easy to control ventilation volume, coal heat energy can not be made to be fully used, affect economic benefit, even if it is also all use multiple device that some thermoelectric power station iron impurity also grasp the coal weight of carrying in boiler at any time, floor area is large, and consumption of power is many.Simultaneously; in order to the generation of disconnected coal situation can be detected; usually disconnected coal signal supervisory instrument is also provided with; disconnected coal signal supervisory instrument uses travel switch to detect, and is installed on feeder front-end case chain place, by the impact of ature of coal; the inherent characteristic that travel switch uses; can not judging in operation that feeder breaks coal in time, in addition, being also difficult to when there is disconnected coaly condition make the situation of disconnected coal process timely.
Summary of the invention
The object of the present invention is to provide the anti-breaking coal feeder of a kind of thermoelectric power station, to solve the problem proposed in above-mentioned background technology.
For achieving the above object, the invention provides following technical scheme:
The anti-breaking coal feeder of a kind of thermoelectric power station, comprise shell and coal bunker, the bottom of described shell is provided with a leg, transport tape upper left side of weighing is arranged at the inside deironing transport tape of shell, deironing transport tape and transport tape of weighing are a closed loop, the C/LOOP internal fixtion of deironing transport tape is provided with electrodynamic vibrator, electrodynamic vibrator contacts with the lower surface of up deironing transport tape, speed sensor and several pressure sensor is provided with in the C/LOOP of transport tape of weighing, speed sensor contacts with the lower surface of pressure sensor with up transport tape of weighing, described speed sensor is connected with microprocessor by wire with pressure sensor, microprocessor electrical connection telltale, described deironing transport tape is inlaid with several magnet, and the below of deironing transport tape is provided with roller, roller contacts with the lower surface of the downstream transmission of deironing transport tape, described roller is driven by motor, the direction of the rotation of roller is contrary with the service direction of the downstream transmission of deironing transport tape, the lower right of roller is provided with collection can, the left upper portion of the top deironing transport tape of described shell is also provided with coal inlet, the top of coal inlet is provided with coal bunker, coal bunker is formed by connecting by upper conical warehouse and inferior pyramidal warehouse, upper conical warehouse base diameter is less than inferior pyramidal warehouse top diameter, be connected by ring-shaped platform bottom upper conical warehouse with between inferior pyramidal warehouse top, ring-shaped platform surface uniform is provided with some vibrating heads, vibrating head one end is connected with controller, it is inner that the other end is arranged on inferior pyramidal warehouse through ring-shaped platform, the conical inboard wall of upper conical warehouse and inferior pyramidal warehouse is provided with some annular buildup plates, also detector switch is provided with in the deironing transport tape side of described enclosure, detector switch is electrically connected with controller, coal bunker on detector switch top and shell junction are provided with trigger mechanism, trigger mechanism comprises towards the shifting board of deironing transport tape service direction inclination and by contacting the trigger board driving detector switch to open with detector switch, shifting board and trigger board are by axle drive shaft and housing hinge, trigger board is driven to keep being separated with detector switch under the effect of the coal of shifting board on deironing load-transfer device.
As the further scheme of the present invention: described deironing transport tape and transport tape of weighing all are supported by support, and be provided with rotor wheel on the top of support, Bracket setting, on base, is also provided with coal scraper plate at the end of base.
As the further scheme of the present invention: be also provided with artificial block clearing window between described two adjacent vibrating heads.
As the further scheme of the present invention: the altitude range of described inferior pyramidal warehouse is 1 meter to 2 meters.
As the further scheme of the present invention: the quantity of described vibrating head is 4.
As the further scheme of the present invention: the spacing of described adjacent two annular buildup plates is 0.3 meter.
As the further scheme of the present invention: described annular buildup plate is vertically set in corresponding tapered slope, and is highly 5 centimetres.
Compared with prior art, the present invention in use, when coal dust is put into deironing transport tape from coal inlet, under the effect of electrodynamic vibrator, iron filings in coal dust, screw can not will be dropped to by the magnet adsorption on deironing transport tape weighs on transport tape, the iron filings that deironing transport tape adsorbs, screw is scraped by roller and falls into collection can, ensure that the quality of coal dust, the coal dust fallen from deironing transport tape drops to weighs on transport tape, information transmission is carried out processing the weight just can learning the coal dust that each time period carries by speed sensor and several pressure sensor to microprocessor, the coal bunker arranged above shell is made up of the warehouse of two-layer pyramidal structure, the altitude range of inferior pyramidal warehouse is 1 meter to 2 meters, coal is in the process declined, when entering inferior pyramidal warehouse from upper conical warehouse, the sectional area of cone becomes suddenly large, the both sides pressure of cone wall to raw coal is corresponding to diminish, the descending speed of raw coal improves suddenly, form the shock-effect of local, destroy the cohesive force of raw coal and bulkhead to a certain extent, and the arch effect that raw coal is formed in decline process, in addition, increase in the inside of inferior pyramidal warehouse and be provided with 4 place's shaking devices, shaking device is electrically connected with controller, controller is connected with detector switch, when trigger mechanism contacts with detector switch, show the situation occurring resolving coal on deironing transport tape, now, controller can control vibrating head and shake, that coal dust can fall, avoid the continuation of disconnected coaly condition, it is continual and steady that effective guarantee is produced, simultaneously, also be provided with artificial block clearing window, manually in an emergency situation can carry out block clearing to coal bunker.
Accompanying drawing explanation
Fig. 1 is the structural representation of thermoelectric power station with anti-breaking coal feeder.
Fig. 2 is the structural representation of thermoelectric power station with trigger mechanism in anti-breaking coal feeder.
Fig. 3 is the plan structure schematic diagram of thermoelectric power station with taper warehouse in anti-breaking coal feeder.
In figure: 1-support, 2-roller, 3-collection can, 4-base, 5-seat leg, 6-coal scraper plate, 7-rotor wheel, 8-speed sensor, 9-weighs transport tape, 10-pressure sensor, 11-shell, 12-microprocessor, 13-telltale, 14-electrodynamic vibrator, 15-deironing transport tape, the upper conical warehouse of 16-, 17-inferior pyramidal warehouse, 18-ring-shaped platform, 19-vibrating head, 20-controller, 21-annular buildup plate, the artificial block clearing window of 22-, 23-trigger mechanism, 24-detector switch, 25-axle drive shaft, 26-shifting board, 27-trigger board.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Refer to Fig. 1 ~ 3, in the embodiment of the present invention, the anti-breaking coal feeder of a kind of thermoelectric power station, comprise shell 11 and coal bunker, the bottom of described shell 11 is provided with a leg 5, transport tape 9 upper left side of weighing is arranged at the inside deironing transport tape 15 of shell 11, deironing transport tape 11 and transport tape 9 of weighing are a closed loop, described deironing transport tape 11 and transport tape 9 of weighing all are supported by support 1, rotor wheel 7 is provided with on the top of support 1, support 1 is arranged on base 4, coal scraper plate 6 is also provided with at the end of base 4, the C/LOOP internal fixtion of deironing transport tape 15 is provided with electrodynamic vibrator 14, electrodynamic vibrator 14 contacts with the lower surface of up deironing transport tape 15, speed sensor 8 and several pressure sensor 10 is provided with in the C/LOOP of transport tape 9 of weighing, speed sensor 8 contacts with the lower surface of pressure sensor 10 with up transport tape 9 of weighing, described speed sensor 8 is connected with microprocessor 12 by wire with pressure sensor 10, microprocessor 12 is electrically connected telltale 13, described deironing transport tape 15 is inlaid with several magnet, and the below of deironing transport tape 15 is provided with roller 2, roller 2 contacts with the lower surface of the downstream transmission of deironing transport tape 15, described roller 2 is driven by motor, the direction of the rotation of roller 2 is contrary with the service direction of the downstream transmission of deironing transport tape 15, the lower right of roller 2 is provided with collection can 3, the left upper portion of the top deironing transport tape 15 of described shell 11 is also provided with coal inlet, the top of coal inlet is provided with coal bunker, when coal dust is put into deironing transport tape 15 from coal inlet, under the effect of electrodynamic vibrator 14, iron filings in coal dust, screw can not will be dropped to by the magnet adsorption on deironing transport tape 15 weighs on transport tape 9, the iron filings of absorption on deironing transport tape 15, screw is scraped by roller 2 and falls into collection can 3, ensure that the quality of coal dust, the coal dust fallen from deironing transport tape 15 drops to weighs on transport tape 9, information transmission is carried out processing the weight just can learning the coal dust that each time period carries by speed sensor 8 and several pressure sensor 10 to microprocessor 12, coal bunker is formed by connecting by upper conical warehouse 16 and inferior pyramidal warehouse 17, upper conical warehouse 16 base diameter is less than inferior pyramidal warehouse 17 top diameter, be connected by ring-shaped platform 18 bottom upper conical warehouse 16 with between inferior pyramidal warehouse 17 top, ring-shaped platform 18 surface uniform is provided with some vibrating heads 19, vibrating head 19 one end is connected with controller 20, it is inner that the other end is arranged on inferior pyramidal warehouse 17 through ring-shaped platform 18, and upper conical warehouse 16 with the conical inboard wall of inferior pyramidal warehouse 17 are provided with some annular buildup plates 21, coal dust enters from top, when by upper conical warehouse 16, part raw coal is caught by the detention space that annular buildup plate 21 and upper conical warehouse 16 angle part are formed, ensuing raw coal is when falling, only can rub with the raw coal in angle, and can not rub with the inwall of upper conical warehouse 16, when raw coal enters lower cone warehouse 17 from the bottom of upper conical warehouse 16, the sectional area of cone becomes suddenly large, the pressure of cone wall to raw coal is corresponding to diminish, the descending speed of raw coal improves suddenly, form the shock-effect of local, destroy the cohesive force of raw coal and bulkhead to a certain extent.Consistent with upper conical warehouse 16 in lower cone warehouse 17, inwall and raw coal friction is avoided by the effect of annular buildup plate 21, and raw coal passes through the vibration limits raw coal of vibrating head 19 and the cohesive force of bulkhead in lower cone warehouse 17, and the arch effect that raw coal is formed in decline process, make raw coal fall out smoothly, can not block, detector switch 24 is also provided with in deironing transport tape 15 side of described shell 11 inside, detector switch 24 is electrically connected with controller 20, coal bunker on detector switch 24 top and shell 11 junction are provided with trigger mechanism 23, trigger mechanism 23 comprises towards the shifting board 26 of deironing transport tape 15 service direction inclination and by contacting the trigger board 27 driving detector switch 24 to open with detector switch 24, shifting board 26 is hinged by axle drive shaft 25 and shell 11 with trigger board 27, trigger board 27 is driven to keep being separated with detector switch 24 under the effect of the coal of shifting board 26 on deironing load-transfer device 15, when lasting coal breakage, trigger board 27 is driven to keep being separated with detector switch 24 under the effect of the coal of shifting board 26 on deironing load-transfer device 15, now detector switch 24 is in closed condition, when after disconnected coal, feeder shell 11 and coal bunker junction are in without coaly state immediately, trigger board 27 can be driven after shifting board 26 loses the supporting role of coal to move until trigger board 27 detection trigger switch 24 makes detector switch 24 open towards detector switch 24, detector switch 24 open after by signal transmission to controller 20, at this moment disconnected coal can be known by controller 20, controller 20 controls vibrating head 19 and shakes, coal dust is made to shake.
As further preferred: be also provided with artificial block clearing window 22 between described two adjacent vibrating heads 19, be convenient in case of emergency manually remove putty, 4 artificial block clearing windows 22 can realize 360 degree of cleanings.
As further preferred: the altitude range of described inferior pyramidal warehouse 17 is 1 meter to 2 meters.
As further preferred: the quantity of described vibrating head 19 is 4.
As further preferred: the spacing of described adjacent two annular buildup plates 21 is 0.3 meter.
As further preferred: described annular buildup plate 21 is vertically set in corresponding tapered slope, and is highly 5 centimetres, and it is always open that formation tilts upward, be convenient to accept coal charge.
To those skilled in the art, obviously the invention is not restricted to the details of above-mentioned one exemplary embodiment, and when not deviating from spirit of the present invention or essential characteristic, the present invention can be realized in other specific forms.Therefore, no matter from which point, all should embodiment be regarded as exemplary, and be nonrestrictive, scope of the present invention is limited by claims instead of above-mentioned explanation, and all changes be therefore intended in the implication of the equivalency by dropping on claim and scope are included in the present invention.Any Reference numeral in claim should be considered as the claim involved by limiting.
In addition, be to be understood that, although this specification sheets is described according to embodiment, but not each embodiment only comprises an independently technical scheme, this narrating mode of specification sheets is only for clarity sake, those skilled in the art should by specification sheets integrally, and the technical scheme in each embodiment also through appropriately combined, can form other embodiments that it will be appreciated by those skilled in the art that.
Claims (7)
1. the anti-breaking coal feeder of thermoelectric power station, comprise shell and coal bunker, it is characterized in that, the bottom of described shell is provided with a leg, transport tape upper left side of weighing is arranged at the inside deironing transport tape of shell, deironing transport tape and transport tape of weighing are a closed loop, the C/LOOP internal fixtion of deironing transport tape is provided with electrodynamic vibrator, electrodynamic vibrator contacts with the lower surface of up deironing transport tape, speed sensor and several pressure sensor is provided with in the C/LOOP of transport tape of weighing, speed sensor contacts with the lower surface of pressure sensor with up transport tape of weighing, described speed sensor is connected with microprocessor by wire with pressure sensor, microprocessor electrical connection telltale, described deironing transport tape is inlaid with several magnet, and the below of deironing transport tape is provided with roller, roller contacts with the lower surface of the downstream transmission of deironing transport tape, described roller is driven by motor, the direction of the rotation of roller is contrary with the service direction of the downstream transmission of deironing transport tape, the lower right of roller is provided with collection can, the left upper portion of the top deironing transport tape of described shell is also provided with coal inlet, the top of coal inlet is provided with coal bunker, coal bunker is formed by connecting by upper conical warehouse and inferior pyramidal warehouse, upper conical warehouse base diameter is less than inferior pyramidal warehouse top diameter, be connected by ring-shaped platform bottom upper conical warehouse with between inferior pyramidal warehouse top, ring-shaped platform surface uniform is provided with some vibrating heads, vibrating head one end is connected with controller, it is inner that the other end is arranged on inferior pyramidal warehouse through ring-shaped platform, the conical inboard wall of upper conical warehouse and inferior pyramidal warehouse is provided with some annular buildup plates, also detector switch is provided with in the deironing transport tape side of described enclosure, detector switch is electrically connected with controller, coal bunker on detector switch top and shell junction are provided with trigger mechanism, trigger mechanism comprises towards the shifting board of deironing transport tape service direction inclination and by contacting the trigger board driving detector switch to open with detector switch, shifting board and trigger board are by axle drive shaft and housing hinge, trigger board is driven to keep being separated with detector switch under the effect of the coal of shifting board on deironing load-transfer device.
2. the anti-breaking coal feeder of a kind of thermoelectric power station according to claim 1, it is characterized in that, described deironing transport tape and transport tape of weighing all are supported by support, are provided with rotor wheel on the top of support, Bracket setting, on base, is also provided with coal scraper plate at the end of base.
3. the anti-breaking coal feeder of a kind of thermoelectric power station according to claim 1, is characterized in that, is also provided with artificial block clearing window between described two adjacent vibrating heads.
4. the anti-breaking coal feeder of a kind of thermoelectric power station according to claim 1, is characterized in that, the altitude range of described inferior pyramidal warehouse is 1 meter to 2 meters.
5. the anti-breaking coal feeder of a kind of thermoelectric power station according to claim 1, is characterized in that, the quantity of described vibrating head is 4.
6. the anti-breaking coal feeder of a kind of thermoelectric power station according to claim 1, is characterized in that, the spacing of described adjacent two annular buildup plates is 0.3 meter.
7. the anti-breaking coal feeder of a kind of thermoelectric power station according to claim 1, is characterized in that, described annular buildup plate is vertically set in corresponding tapered slope, and is highly 5 centimetres.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510474462.1A CN105059871A (en) | 2015-08-05 | 2015-08-05 | Anti-coal-interruption coal feeder for thermal power plant |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510474462.1A CN105059871A (en) | 2015-08-05 | 2015-08-05 | Anti-coal-interruption coal feeder for thermal power plant |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107601019A (en) * | 2017-10-09 | 2018-01-19 | 安徽纽创自动化装备有限公司 | Automatic supplyline |
| CN108045848A (en) * | 2018-01-24 | 2018-05-18 | 长沙开元仪器股份有限公司 | A kind of two-stage hoisting type coal sample conveying device |
| CN109484818A (en) * | 2018-11-29 | 2019-03-19 | 谭惠君 | A kind of anti-accumulation transport device of chemical fertilizer production |
| CN110560235A (en) * | 2019-10-16 | 2019-12-13 | 毛瑞杰 | Building rubbish reducing mechanism with dustproof and metal recycle |
| CN115957851A (en) * | 2022-12-24 | 2023-04-14 | 山东鲁泰热电有限公司 | Coal feeder deironing equipment of steam power plant |
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| CN115957851B (en) * | 2022-12-24 | 2023-10-13 | 山东鲁泰热电有限公司 | Coal feeder deironing equipment of steam power plant |
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Application publication date: 20151118 |
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