CN212638581U - Clear stifled device in former coal bunker - Google Patents
Clear stifled device in former coal bunker Download PDFInfo
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- CN212638581U CN212638581U CN202020683659.2U CN202020683659U CN212638581U CN 212638581 U CN212638581 U CN 212638581U CN 202020683659 U CN202020683659 U CN 202020683659U CN 212638581 U CN212638581 U CN 212638581U
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- removing device
- scraper
- blockage removing
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Abstract
The utility model discloses a clear stifled device of raw coal storehouse, including the inlet pipe, inlet pipe output end fixedly connected with first transition storehouse, first transition storehouse output end fixedly connected with second transition storehouse, second transition storehouse output end fixedly connected with leads the feed bin, guide storehouse output and feeder input fixed connection. The utility model discloses utilize the rotatory clear stifled device of two sets of scrapers, through the transition storehouse with the former bunker of original hyperbola raw coal storehouse or other forms clear stifled device transition hookup of scraper in the feeder top, guarantee the former bunker of upper portion and clear smooth transition hookup of stifled device, and through the rotatory clear mutual cooperation effect of stifled device and two division picture peg doors of electro-hydraulic pressure of two sets of scrapers, guarantee that whole clear stifled device is high in all there is the scraper operation, no blind spot, thereby reach thoroughly solving the stifled coal problem, avoid single arrangement in the past, configuration mode and structural style such as bulkhead rotation leave the problem that blind spot can not thoroughly solve the jam.
Description
Technical Field
The utility model relates to a thermoelectric equipment technical field specifically is a clear stifled device of former coal bunker.
Background
In order to improve the fuel utilization rate, reduce the production and operation cost and improve the economic benefit, most power plants begin to mix peat with bituminous coal, the moisture content of the peat can reach 45 percent at most, the fineness of the coal slime is large, the peat is very easy to be bonded and stuck on the wall plate of a thinner bin at the lower part of a raw coal bin, and a coal dropping pipe is completely blocked along with the accumulation of time, so that the coal breaking and the jumping grinding are caused, a large amount of manpower and material resources are coordinated to beat and clean the coal, and the safe and stable operation of equipment and units is seriously influenced. Therefore, the device is improved, and the device for clearing the blockage of the raw coal bunker is provided.
SUMMERY OF THE UTILITY MODEL
For solving the defect that prior art exists, the utility model provides a clear stifled device of former coal bunker.
In order to solve the technical problem, the utility model provides a following technical scheme:
the utility model relates to a clear stifled device of raw coal storehouse, the induction pipe comprises an inlet pipe, inlet pipe output end fixedly connected with first transition storehouse, first transition storehouse output end fixedly connected with second transition storehouse, second transition storehouse output end fixedly connected with leads the feed bin, guide storehouse output and feeder input fixed connection, second transition storehouse output and the fixed two spile doors that are equipped with of guide storehouse input junction of electronic hydraulic pressure, both ends are equipped with the rotatory clear stifled device of clearing of scraper and the rotatory clear stifled device of scraper down respectively about the two spile doors of electronic hydraulic pressure, go up the rotatory clear stifled device of clearing of scraper and install respectively on second transition storehouse and guide the feed bin with the rotatory clear stifled device of scraper down.
As the utility model discloses an optimized technical scheme, fixed mounting has disconnected coal signal sensor on the feeder, go up the rotatory clear stifled device of scraper and clear stifled device of lower scraper and be connected through sensor and feeder disconnected coal signal sensor interlocking electricity respectively.
As a preferred technical scheme of the utility model, go up the rotatory drive arrangement who clears stifled device and the rotatory clear stifled device of scraper down of scraper respectively with time relay electric connection, go up the rotatory clear stifled device of scraper and the rotatory clear stifled device of scraper down respectively with electric cabinet electric connection, fixed manual mode control button and the remote mode control button of being equipped with on the electric cabinet.
As a preferred technical scheme of the utility model, go up the rotatory clear stifled device of scraper and the rotatory clear stifled device of scraper down and all include the motor respectively, motor output and speed reducer fixed connection, speed reducer output and gear fixed connection, gear and slewing bearing meshing, slewing bearing and scraper fixed connection.
As a preferred technical scheme of the utility model, go up the rotatory clear stifled device input port diameter 1250mm of scraper, height 1350mm, output port diameter 630 mm.
As an optimized technical scheme of the utility model, the rotatory clear input and the output bore 630mm who blocks up the device of scraper down.
As the utility model discloses a preferred technical scheme, two spile doors of opening of electro-hydraulic pressure include two motors, and two motor output difference fixedly connected with spile doors, two spile doors set up relatively and insert second transition storehouse output and guide storehouse input junction, the latus rectum of spile door is 630 mm.
As an optimal technical scheme of the utility model, the rotatory scraper upper portion of clear stifled device of scraper is close with picture peg door plant down, the rotatory lower part of clear stifled device of scraper stretches into the inside arc top of going up of feeder down.
The utility model has the advantages that: this kind of clear stifled device of raw coal bunker utilizes two sets of scraper rotation to clear stifled device, through the transition storehouse with the clear stifled device transition hookup of the clear stifled device of the raw coal bunker of original hyperbola above the feeder or other forms of raw coal bunker, guarantee the smooth transition hookup of upper portion raw coal bunker and clear stifled device, and through the mutual mating effect of two sets of scraper rotation clear stifled devices and the two spile doors of electronic hydraulic pressure, guarantee that whole clear stifled device is high in all there is the scraper operation, no blind spot, thereby reach thoroughly solving the stifled coal problem, avoid in the past single platform to arrange, configuration modes such as storehouse wall rotation and structural style leave the blind spot can not thoroughly solve the problem of blockking.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic structural view of the raw coal bunker blockage removing device of the utility model.
In the figure: 1. a feed pipe; 2. a first transition bin; 3. a second transition bin; 4. the upper scraper rotates to clear the blockage; 5. a motor; 6. a speed reducer; 7. an electro-hydraulic double-opening inserting plate door; 8. an electric motor; 9. the lower scraper rotates the blockage removing device; 10. an electric cabinet; 11. a coal feeder.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.
Example (b): as shown in fig. 1, the utility model relates to a clear stifled device of raw coal bunker, including inlet pipe 1, inlet pipe 1 output end fixedly connected with first transition storehouse 2, 2 output end fixedly connected with second transition storehouses 3 of first transition storehouse, 3 output end fixedly connected with in second transition storehouse lead the feed bin, guide storehouse output and 11 input end fixed connection of feeder, 3 output in second transition storehouse and the fixed two spile doors 7 that are equipped with of guide storehouse input junction of electronic hydraulic pressure, both ends are equipped with the rotatory clear stifled device 4 of clearing of scraper and the rotatory clear stifled device 9 of scraper down respectively about the two spile doors 7 of electronic hydraulic pressure, go up the rotatory clear stifled device 4 of scraper and the rotatory clear stifled device 9 of scraper is installed respectively on second transition storehouse 3 and lead the feed bin down.
Wherein, the coal-break signal sensor is fixedly arranged on the coal feeder 11, and the upper scraper rotary blockage cleaning device 4 and the lower scraper rotary blockage cleaning device 9 are respectively and electrically connected with the coal-break signal sensor of the coal feeder 11 in an interlocking way through the sensor.
Wherein, the rotatory clear stifled device 4 of scraper on and the rotatory clear drive arrangement who blocks up of scraper 9 down are respectively with time relay electric connection, go up the rotatory clear stifled device 4 of scraper and the rotatory clear stifled device 9 of scraper down and respectively with electric cabinet 10 electric connection, fixedly be equipped with manual mode control button and remote mode control button on the electric cabinet 10.
The upper scraper rotating blockage cleaning device 4 and the lower scraper rotating blockage cleaning device 9 respectively comprise a motor 5, the output end of the motor 5 is fixedly connected with a speed reducer 6, the output end of the speed reducer 6 is fixedly connected with a gear, the gear is meshed with a slewing bearing, and the slewing bearing is fixedly connected with the scrapers.
Wherein, the diameter of the input port of the upper scraper rotary blockage removing device 4 is 1250mm, the height thereof is 1350mm, and the diameter of the output port thereof is 630 mm.
Wherein, the caliber of the input end and the output end of the lower scraper rotary blockage removing device 9 is 630 mm.
Wherein, two spile doors 7 that open of electro-hydraulic pressure include two motors 8, and two motor 8 outputs are fixedly connected with spile door respectively, and two spile doors set up relatively and insert the second transition 3 output of storehouse and the junction of guide storehouse input, and the latus rectum of spile door is 630 mm.
The upper part of a scraper of the lower scraper rotating blockage cleaning device 9 is close to a door plate of the plug board door, and the lower part of the lower scraper rotating blockage cleaning device 9 extends into an upper arc top in the coal feeder.
The working principle is as follows:
when coal flow cutoff occurs due to the fact that coal dust on the bin wall is hardened and stuck to the bin wall due to the fact that raw coal is high in moisture and viscosity and runs for a long time, an upper scraper rotary blockage cleaning device 4 and a lower scraper rotary blockage cleaning device 9 of the device can be automatically started according to set time intervals (such as 4 hours and 6 hours) or according to a coal supply machine coal cutoff signal, hardened coal stuck to the wall is scraped, and the blockage cleaning effect is achieved.
Namely, an upper scraper rotary blockage removing device 4 and a lower scraper rotary blockage removing device 9 are utilized, an original hyperbolic curve raw coal bin or other types of raw coal bins are in transition connection with the upper scraper rotary blockage removing device 4 at the position of 4.7 meters above a coal feeder 11 through two transition bins, the smooth transition connection of the upper raw coal bin and the upper scraper rotary blockage removing device 4 is ensured, a scraper capable of rotating 360 degrees in the whole circumference is arranged in the upper scraper rotary blockage removing device 4, a plug board door with the lower connection diameter of 630mm is arranged in the lower scraper rotary blockage removing device, the lower part of the plug board door is connected with the scraper rotary lower scraper rotary blockage removing device 9 capable of rotating 360 degrees in the whole circumference, the diameter of 630mm, the upper part of the scraper of the lower scraper rotary blockage removing device 9 is close to the plug board door plate to ensure that the lower part of the plug board door is cleaned, the lower part of the scraper of the lower scraper rotary blockage removing device 9 extends into the upper arc top in the coal feeder, and the whole blockage removing device is ensured to, no dead zone exists, thereby achieving the purpose of thoroughly solving the problem of coal blockage, and avoiding the problem that the blockage cannot be thoroughly solved due to dead zones left in the conventional configuration modes and structural forms such as single arrangement, bin wall rotation and the like
The specific use method comprises the following steps:
a. an anti-blocking mode: the operation mode of the electric cabinet 10 is pressed to a remote mode control button, a time relay for connecting the upper scraper rotary blockage removing device 4 and the lower scraper rotary blockage removing device 9 is adjusted, time interval equipment for starting the upper scraper rotary blockage removing device 4 and the lower scraper rotary blockage removing device 9 can be set to any time period according to the coal blockage situation, generally, the time interval equipment is started once every 4 hours, 6 hours, 8 hours, 12 hours and 24 hours, the blockage removing knives rotate for 1 week, and the upper scraper rotary blockage removing device 4 and the lower scraper rotary blockage removing device 9 are respectively and independently arranged and do not influence each other.
b. And (3) clearing the blockage: the operation mode of the electric cabinet 10 is set to a remote mode control button, a coal breakage signal of the coal feeder 11 is received, when the coal breakage signal exists, the upper scraper rotating blockage cleaning device 4 and the lower scraper rotating blockage cleaning device 9 are started simultaneously to clean the blockage until the coal breakage signal of the coal feeder 11 disappears, the operation is carried out for 20s, and the scraper operation of the upper scraper rotating blockage cleaning device 4 and the scraper operation of the lower scraper rotating blockage cleaning device 9 are stopped.
c. Manual mode: the operation mode button of the electric cabinet 10 is pressed to a manual mode, so that the blockage removing device can be started on site.
d. DCS control mode: and the operating mode button on the electric cabinet 10 is pressed to a remote place, and an operator can operate the blockage clearing device on the DCS to operate and stop.
In summary, the device has the following advantages: the rotary cutter can rotate by 360 degrees without dead zones; the upper scraper and the lower scraper of the spile door are configured with the blockage removing device, and scrapers are arranged in the whole easy-to-block section and the coal feeder for removing blockage, so that dead zones are thoroughly eliminated, and the blockage removing effect is ensured; the running mode has both a blockage clearing mode and a blockage preventing mode, and the coal breakage can be avoided; most of the existing markets adopt the arrangement modes of an air cannon, a rapping hammer, a bin wall rotating blockage removing device and a single blockage removing device, and the coal flow blockage situation cannot be thoroughly solved basically.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. A raw coal bunker blockage cleaning device is characterized by comprising a feeding pipe (1), wherein the output end of the feeding pipe (1) is fixedly connected with a first transition bunker (2), the output end of the first transition bin (2) is fixedly connected with a second transition bin (3), the output end of the second transition bin (3) is fixedly connected with a material guide bin, the output end of the material guide bin is fixedly connected with the input end of a coal feeder (11), an electric hydraulic double-opening inserting plate door (7) is fixedly arranged at the joint of the output end of the second transition bin (3) and the input end of the material guiding bin, the upper end and the lower end of the electro-hydraulic double-opening inserting plate door (7) are respectively provided with an upper scraper rotary blockage removing device (4) and a lower scraper rotary blockage removing device (9), the upper scraper rotary blockage removing device (4) and the lower scraper rotary blockage removing device (9) are respectively arranged on the second transition bin (3) and the guide bin.
2. The raw coal bunker blockage removing device according to claim 1, wherein a coal breakage signal sensor is fixedly mounted on the coal feeder (11), and the upper scraper rotary blockage removing device (4) and the lower scraper rotary blockage removing device (9) are respectively in interlocking electrical connection with the coal breakage signal sensor of the coal feeder (11) through the sensors.
3. The raw coal bunker blockage removing device according to claim 2, wherein driving devices of the upper scraper rotating blockage removing device (4) and the lower scraper rotating blockage removing device (9) are respectively and electrically connected with a time relay, the upper scraper rotating blockage removing device (4) and the lower scraper rotating blockage removing device (9) are respectively and electrically connected with an electric control box (10), and a manual mode control button and a remote mode control button are fixedly arranged on the electric control box (10).
4. The raw coal bunker blockage removing device according to claim 1, wherein the upper scraper rotating blockage removing device (4) and the lower scraper rotating blockage removing device (9) respectively comprise a motor (5), the output end of the motor (5) is fixedly connected with a speed reducer (6), the output end of the speed reducer (6) is fixedly connected with a gear, the gear is meshed with a slewing bearing, and the slewing bearing is fixedly connected with the scrapers.
5. The raw coal bunker cleaning device as claimed in claim 4, wherein the diameter of the inlet port of the upper scraper rotary cleaning device (4) is 1250mm, the height thereof is 1350mm, and the diameter of the outlet port thereof is 630 mm.
6. The raw coal bunker cleaning device as claimed in claim 4, wherein the caliber of the input end and the output end of the lower scraper rotary cleaning device (9) is 630 mm.
7. The raw coal bunker blockage removing device according to claim 6, wherein the electro-hydraulic double-opening inserting plate door (7) comprises two motors (8), the output ends of the two motors (8) are respectively and fixedly connected with the inserting plate door, the two inserting plate doors are oppositely arranged and inserted into the joint of the output end of the second transition bunker (3) and the input end of the material guide bunker, and the through diameter of each inserting plate door is 630 mm.
8. The raw coal bunker cleaning device as claimed in claim 6, wherein the upper part of the scraper of the lower scraper rotary cleaning device (9) is close to the door plate of the spile door, and the lower part of the lower scraper rotary cleaning device (9) extends into the upper arc top inside the coal feeder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020683659.2U CN212638581U (en) | 2020-04-29 | 2020-04-29 | Clear stifled device in former coal bunker |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020683659.2U CN212638581U (en) | 2020-04-29 | 2020-04-29 | Clear stifled device in former coal bunker |
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| CN212638581U true CN212638581U (en) | 2021-03-02 |
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| CN202020683659.2U Active CN212638581U (en) | 2020-04-29 | 2020-04-29 | Clear stifled device in former coal bunker |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112934449A (en) * | 2021-03-05 | 2021-06-11 | 华能国际电力股份有限公司大连电厂 | Medium-speed mill coal inlet pipe online weighing anti-blocking mechanism and control method |
| CN113104410A (en) * | 2021-04-02 | 2021-07-13 | 南通常安能源有限公司 | Clear stifled device of coal bunker |
| CN114955278A (en) * | 2022-05-19 | 2022-08-30 | 北京国能龙威发电技术有限公司 | Raw coal bunker outlet coal breakage system |
-
2020
- 2020-04-29 CN CN202020683659.2U patent/CN212638581U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112934449A (en) * | 2021-03-05 | 2021-06-11 | 华能国际电力股份有限公司大连电厂 | Medium-speed mill coal inlet pipe online weighing anti-blocking mechanism and control method |
| CN112934449B (en) * | 2021-03-05 | 2023-09-12 | 华能国际电力股份有限公司大连电厂 | Online weighing anti-blocking mechanism for medium-speed grinding coal inlet pipe and control method |
| CN113104410A (en) * | 2021-04-02 | 2021-07-13 | 南通常安能源有限公司 | Clear stifled device of coal bunker |
| CN114955278A (en) * | 2022-05-19 | 2022-08-30 | 北京国能龙威发电技术有限公司 | Raw coal bunker outlet coal breakage system |
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