CN114588568A - Device for preventing spontaneous combustion of coal in strip-shaped coal storage yard - Google Patents
Device for preventing spontaneous combustion of coal in strip-shaped coal storage yard Download PDFInfo
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- CN114588568A CN114588568A CN202011417052.0A CN202011417052A CN114588568A CN 114588568 A CN114588568 A CN 114588568A CN 202011417052 A CN202011417052 A CN 202011417052A CN 114588568 A CN114588568 A CN 114588568A
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- stacking frame
- spontaneous combustion
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- storage yard
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C3/00—Fire prevention, containment or extinguishing specially adapted for particular objects or places
- A62C3/04—Fire prevention, containment or extinguishing specially adapted for particular objects or places for dust or loosely-baled or loosely-piled materials, e.g. in silos, in chimneys
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Abstract
The invention belongs to the technical field of coal storage, in particular to a device for preventing spontaneous combustion of coal in a strip-shaped coal storage yard, which aims at the problems that the regular replacement efficiency of the coal in the strip-shaped coal storage yard is low and the spontaneous combustion of the coal is caused by more factors, the invention provides the following scheme, which comprises a stacking frame, wherein discharge holes are formed in two sides of the stacking frame, a sliding frame matched with the discharge holes penetrates through the interior of the stacking frame in a sliding manner, and two symmetrically distributed placing plates are connected to the inner wall of the bottom of the stacking frame in a sliding manner; the stacking frame is arranged in the strip-shaped coal storage yard, so that the spontaneous combustion possibility of coal is reduced to a certain extent, the discharging assembly is arranged and used for improving the periodic replacement efficiency of the coal in the stacking frame, the compacting assembly is used for improving the compacting effect of the coal in the stacking frame, the water vapor content of the coal in the stacking frame is improved, the spontaneous combustion possibility of the coal is reduced, and the periodic replacement discharging speed of the discharging assembly on the stacking frame is further improved along with the movement of the discharging assembly.
Description
Technical Field
The invention relates to the technical field of coal storage, in particular to a device for preventing spontaneous combustion of coal in a strip-shaped coal storage yard.
Background
The strip coal yard cannot be fully stacked and taken out firstly, so that a certain spontaneous combustion phenomenon exists, which is a common problem at present; the conventional method for solving the spontaneous combustion problem of the strip coal yard comprises the following steps: layered compaction, periodic replacement and mechanical clearing.
The concrete measures for preventing spontaneous combustion in the strip-shaped coal storage yard are that: in the coal storage area, all combustible impurities which are easy to catch fire, such as wood chips, paper, linoleum, broken cloth soaked with oil, combustible chemicals and the like, are removed; drying the coal storage site, wherein slag, dry coal powder or other porous substances are not required to be stockpiled, and the terrace has a certain gradient; the coal pile is compacted in a layered mode, so that air is isolated to a certain degree; however, the above devices can only play a role in delaying spontaneous combustion, and cannot solve the problem well, and at this time, the problems can be solved well only by periodically replacing the devices and reducing the spontaneous combustion condition of coal.
Therefore, a device for preventing coal of the strip coal storage yard from spontaneous combustion is needed to solve the problems that the regular replacement efficiency of coal of the strip coal storage yard is low and the factors of spontaneous combustion of coal are more.
Disclosure of Invention
The device for preventing the spontaneous combustion of the coal in the strip-shaped coal storage yard solves the problems that the regular replacement efficiency of the coal in the strip-shaped coal storage yard is low, and the spontaneous combustion of the coal is caused by more factors.
In order to achieve the purpose, the invention adopts the following technical scheme: the utility model provides a prevent device of bar coal yard coal spontaneous combustion, is including stacking the frame, the discharge gate has all been seted up to the both sides of stacking the frame, the inside of stacking the frame slides and runs through have with discharge gate matched with slide frame, the bottom inner wall sliding connection who stacks the frame has two boards of placing that are symmetric distribution, the central department of stacking the frame sets up the discharging channel who is located places the board below, the inside of stacking the frame is provided with and places board matched with subassembly, two be provided with the compaction subassembly between the slide frame.
Preferably, the discharging assembly comprises a mounting groove communicated with the discharging channel, toothed plates are fixed at two ends of the placing plate, rotating gears in one-to-one correspondence with the toothed plates are connected to the inner wall of the mounting groove in a rotating mode, a transmission gear meshed with one of the rotating gears is connected to the inner wall of the mounting groove in a rotating mode, belt wheels and belt wheels are arranged on the outer sides of the transmission gear and the rotating gears far away from the transmission gear, belts are arranged on the outer surfaces of the belt wheels, one of the belts is provided with a driving motor, and a supporting block in sliding connection with the mounting groove is fixed on one side, far away from the gear, of the toothed plates.
Preferably, the compaction assembly comprises a pressing toothed plate fixed with the sliding frames, the pressing toothed plate is meshed with the adjacent rotating gear, a compaction plate is fixed between the two sliding frames, a plurality of steam pipelines which are uniformly distributed penetrate through the interior of the compaction plate in a sliding mode, and a conical block is fixed at the bottom end of each steam pipeline.
Preferably, the top of placing the board is fixed with the swash plate, two be fixed with the guide plate between the swash plate, a center department one side of being close to the stacking frame of guide plate is crooked curved surface.
Preferably, the inner walls of the two sides of the discharging channel are rotatably connected with buffer plates, and two ends of the rotating shaft of each buffer plate are provided with torsion springs.
Preferably, the cross-section of discharging channel is handstand hourglass shape, two the buffer board respectively with discharging channel is the slope and distributes.
Preferably, the bottom cross-section of discharge gate is the slope form, the inclination of discharge gate with the inclination looks adaptation of swash plate.
Preferably, the stacking frame is located below the compacting plate and is communicated with two symmetrically-distributed feed hoppers, and the feed hoppers and the side walls of the end parts of the stacking frame are obliquely distributed.
Compared with the prior art, the invention has the beneficial effects that:
1. the stacking frame is placed in a strip-shaped coal storage yard and used for isolating coal to a certain extent, so that the possibility of spontaneous combustion of the coal is reduced to a certain extent, the discharge port and the discharge channel are used for carrying out periodic replacement treatment on the coal in the stacking frame, the discharging assembly is arranged and used for improving the periodic replacement efficiency of the coal in the stacking frame, the compacting assembly is arranged and used for improving the compacting effect on the coal in the stacking frame, improving the water vapor content of the coal in the stacking frame and reducing the possibility of spontaneous combustion of the coal, and the speed of the discharging assembly for carrying out periodic replacement discharging on the coal in the stacking frame is further improved along with the movement of the discharging assembly.
2. According to the coal feeding device, the buffer plate is arranged to buffer coal discharged from the discharge channel to a certain degree, and the torsion spring is used for providing a supporting effect of the buffer plate; through the reposition of redundant personnel effect of guide plate, improve the ejection of compact speed of the inside coal of stacking the frame, the buffer board slope distributes, improves its buffering protection's effect.
Drawings
FIG. 1 is a schematic diagram of a main sectional structure of a device for preventing spontaneous combustion of coal in a strip coal storage yard, which is provided by the invention;
FIG. 2 is an enlarged view of area A in FIG. 1;
FIG. 3 is an enlarged view of area B of FIG. 1;
fig. 4 is a schematic structural view of a device for preventing spontaneous combustion of coal in a strip coal storage yard according to the present invention.
In the figure: 1. stacking the frames; 2. a discharge port; 3. a sliding frame; 4. placing the plate; 5. a discharge channel; 6. a discharge assembly; 61. mounting grooves; 62. a toothed plate; 63. a rotating gear; 64. a transmission gear; 65. a pulley; 66. a belt; 67. a drive motor; 68. a support block; 7. compacting the assembly; 71. pressing the toothed plate; 72. compacting the plate; 73. a steam line; 74. a conical block; 8. a sloping plate; 9. a baffle; 10. a buffer plate; 11. a torsion spring; 12. a feed hopper.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1-4, a device for preventing coal spontaneous combustion in a bar-shaped coal storage yard comprises a stacking frame 1, wherein discharge ports 2 are respectively formed in two sides of the stacking frame 1, sliding frames 3 matched with the discharge ports 2 are slidably penetrated through the inside of the stacking frame 1, two symmetrically-distributed placing plates 4 are slidably connected to the inner wall of the bottom of the stacking frame 1, a discharge channel 5 positioned below the placing plates 4 is formed in the center of the stacking frame 1, a discharge assembly 6 matched with the placing plates 4 is arranged inside the stacking frame 1, a compaction assembly 7 is arranged between the two sliding frames 3, specifically, the stacking frame 1 is used for being placed inside the bar-shaped coal storage yard and used for carrying out a certain degree of isolation effect on the coal, so that the possibility of coal spontaneous combustion is reduced to a certain degree, and the discharge ports 2 and the discharge channels 5 are used for carrying out replacement treatment on the coal inside the stacking frame 1 at regular intervals, the arrangement of the discharging assembly 6 is used for improving the efficiency of periodical replacement of the coal inside the stacking frame 1, the arrangement of the compacting assembly 7 improves the compacting effect on the coal inside the stacking frame 1, improves the water vapor content of the coal inside the stacking frame 1, reduces the possibility of spontaneous combustion of the coal, and further improves the discharging rate of the discharging assembly 6 for periodical replacement discharging inside the stacking frame 1 along with the movement of the discharging assembly 6.
The discharging assembly 6 comprises a mounting groove 61 communicated with the discharging channel 5, toothed plates 62 are fixed at two ends of the placing plate 4, the inner wall of the mounting groove 61 is rotatably connected with rotating gears 63 in one-to-one correspondence with the toothed plates 62, the inner wall of the mounting groove 61 is rotatably connected with a transmission gear 64 meshed with one of the rotating gears 63, belt wheels 65 are arranged on the outer sides of the transmission gear 64 and the far rotating gear 63, belts 66 are arranged on the outer surfaces of the two belt wheels 65, one side of one of the belt wheels 65 is provided with a driving motor 67, one side of the toothed plate 62 far away from the gear is fixed with a supporting block 68 in sliding connection with the mounting groove 61, and particularly, the transmission gear 65 is arranged and used for reversing the rotating gears 63, so that the two rotating gears 63 rotate towards opposite directions, and the placing plate 4 can move synchronously towards the outer side of the stacking frame 1.
The compacting assembly 7 comprises a pressing toothed plate 71 fixed with the sliding frames 3, the pressing toothed plate 71 is meshed with the adjacent rotating gear 63, a compacting plate 72 is fixed between the two sliding frames 3, a plurality of uniformly distributed steam pipelines 73 are slidably penetrated in the compacting plate 72, and a conical block 74 is fixed at the bottom end of each steam pipeline 73, specifically, the thickness of the pressing toothed plate 71 and the thickness of the toothed plate 62 are equal to that of the rotating gear 63 and are vertically distributed, so that the sliding frames 3 and the placing plate 4 can synchronously move while the rotating gear 63 rotates, and the discharging rate of the rotating gear is improved; the compacting plate 72 is used for improving the compacting effect of the coal stored in the stacking frame 1, improving the relative sealing performance of the coal storage to a certain extent, reducing the air content of the inner space, and the steam pipeline 73 is externally connected with a steam conveying device and used for improving the humidity of the coal storage, so that the possibility of spontaneous combustion of the coal is reduced.
The top of placing board 4 is fixed with swash plate 8, is fixed with guide plate 9 between two swash plates 8, and the center department one side of being close to stacking frame 1 of guide plate 9 is the curved surface of bending, and is concrete, guide plate 9 and swash plate 8's setting for stacking frame 1 inside coal and carrying out better dispersion and come, thereby be convenient for to the efficiency of the periodic replacement of coal unloading.
Discharging channel 5's both sides inner wall rotates and is connected with buffer board 10, and buffer board 10's pivot department both ends all are provided with torsion spring 11, and is concrete, and buffer board 10's setting carries out the buffering of certain degree to the coal that comes out from discharging channel 5, and torsion spring 11 is used for providing buffer board 10's supporting effect.
Discharging channel 5's cross-section is handstand leaks hopper-shaped, and two buffer boards 10 are the slope respectively with discharging channel 5 and distribute, and is concrete, and discharging channel 5 shape's setting cooperates the reposition of redundant personnel effect of guide plate 9, improves the ejection of compact speed of stacking the inside coal of frame 1, and buffer board 10 slope distributes, improves the effect of its buffering protection.
The bottom cross-section of discharge gate 2 is the slope form, and the inclination of discharge gate 2 and the inclination looks adaptation of swash plate 8 can establish the dog outward and be used for carrying out the dog sealed relatively to stacking frame 1, prevent at coal landing from inside, and the setting of 2 inclination of discharge gate is convenient for unload the effect to its initial.
The below intercommunication that stack 1 is located compacting plate 72 has two feeder hoppers 12 that are the symmetric distribution, and feeder hopper 12 is the slope with the tip lateral wall of stack 1 and distributes, and is concrete, the setting of feeder hopper 12 for carry out the storage to stack 1 inside and handle.
The working principle is as follows: the stacking frame 1 is placed in a strip-shaped coal storage yard, coal is stored and placed through the stacking frame 1, the coal is placed in the stacking frame 1 through the feed hopper 12, the compacting plate 72 positioned in the stacking frame 1 can perform sealing treatment to a certain extent at the moment, the compacting effect of the coal is improved, meanwhile, water vapor in the coal is synchronized through the steam pipeline 73, the uniform distribution of the water vapor in the coal in the stacking frame 1 is improved, and therefore the coal in the stacking frame 1 does not have the spontaneous combustion condition; when the coal in the stacking frame 1 needs to be replaced periodically, the two rotating gears 63 synchronously move in opposite directions under the driving action of the driving motor 67, the belt 66 and the belt wheel 65 and the transmission gear 64, the two placing plates 4 synchronously slide towards the discharge port 2 under the action of the toothed plate 62, the coal in the stacking frame 1 is pushed to the discharge port 2 under the action of the guide plate 9 and the inclined plate 8, the two placing plates 4 open the discharge channel 5 at the same time, the coal in the center of the stacking frame 1 flows out of the discharge channel 5, the periodic replacement rate of the coal in the stacking frame 1 is further improved, the sliding frame 3 is driven to move downwards under the transmission action of the pressing toothed plate 71 while the rotating gears 63 rotate, and the pressing plate 72 presses the coal in the stacking frame 1, the compacted coal is crushed by the conical block 74 below the steam pipe 73, so that the discharging effect of the coal from the discharging port and the discharging channel 5 is further improved, and the periodic replacement efficiency of the coal is further improved.
The driving motor 67 is commercially available, and the driving motor 67 is provided with a power supply, which belongs to the mature technology in the field and is fully disclosed, so that repeated description is omitted in the specification.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered as the technical solutions and their concepts of the present invention within the technical scope of the present invention.
Claims (8)
1. The utility model provides a prevent device of bar coal yard coal spontaneous combustion, is including stacking frame (1), its characterized in that, discharge gate (2) have all been seted up to the both sides of stacking frame (1), the inside slip of stacking frame (1) is run through have with discharge gate (2) matched with sliding frame (3), the bottom inner wall sliding connection of stacking frame (1) has two boards (4) of placing that are symmetric distribution, the center department of stacking frame (1) sets up discharge channel (5) that are located place board (4) below, the inside of stacking frame (1) is provided with and places board (4) matched with subassembly (6), two be provided with compaction subassembly (7) of unloading between sliding frame (3).
2. The device for preventing the spontaneous combustion of the coal in the strip coal storage yard according to claim 1, the discharging component (6) comprises a mounting groove (61) communicated with the discharging channel (5), toothed plates (62) are fixed at both ends of the placing plate (4), rotating gears (63) which are in one-to-one correspondence with the toothed plates (62) are rotatably connected to the inner wall of the mounting groove (61), the inner wall of the mounting groove (61) is rotationally connected with a transmission gear (64) meshed with one of the rotating gears (63), belt wheels (65) are arranged on the outer sides of the transmission gear (64) and the rotating gear (63) far away from the transmission gear, belts (66) are arranged on the outer surfaces of the two belt wheels (65), one side of one of the belt wheels (65) is provided with a driving motor (67), and a supporting block (68) which is in sliding connection with the mounting groove (61) is fixed on one side of the toothed plate (62) away from the gear.
3. The device for preventing the spontaneous combustion of coal in the bar-shaped coal storage yard according to claim 2, wherein the compacting assembly (7) comprises a pressing toothed plate (71) fixed to the sliding frames (3), the pressing toothed plate (71) is engaged with the adjacent rotating gear (63), a compacting plate (72) is fixed between the two sliding frames (3), a plurality of uniformly distributed steam pipes (73) are slidably penetrated inside the compacting plate (72), and a conical block (74) is fixed to the bottom end of each steam pipe (73).
4. The device for preventing the spontaneous combustion of the coal in the strip coal storage yard according to claim 1, wherein the top end of the placing plate (4) is fixed with an inclined plate (8), a guide plate (9) is fixed between the two inclined plates (8), and one side surface of the guide plate (9) close to the center of the stacking frame (1) is a curved surface.
5. The device for preventing the spontaneous combustion of the coal in the bar-shaped coal storage yard according to claim 1, wherein the inner walls of the two sides of the discharging channel (5) are rotatably connected with buffer plates (10), and both ends of the rotating shaft of the buffer plates (10) are provided with torsion springs (11).
6. The device for preventing the spontaneous combustion of the coal in the bar-shaped coal storage yard according to claim 5, wherein the cross section of the discharging channel (5) is in an inverted funnel shape, and the two buffer plates (10) are respectively and obliquely distributed with the discharging channel (5).
7. The device for preventing the spontaneous combustion of the coal in the strip coal storage yard according to claim 4, wherein the cross section of the bottom of the discharge port (2) is inclined, and the inclination angle of the discharge port (2) is matched with the inclination angle of the inclined plate (8).
8. The device for preventing the spontaneous combustion of the coal in the strip coal storage yard according to claim 3, wherein the stacking frame (1) is provided with two symmetrically distributed feeding hoppers (12) which are communicated below the compacting plate (72), and the feeding hoppers (12) are obliquely distributed with the side wall of the end part of the stacking frame (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011417052.0A CN114588568B (en) | 2020-12-04 | 2020-12-04 | Device for preventing spontaneous combustion of coal in strip-shaped coal storage yard |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011417052.0A CN114588568B (en) | 2020-12-04 | 2020-12-04 | Device for preventing spontaneous combustion of coal in strip-shaped coal storage yard |
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| CN114588568A true CN114588568A (en) | 2022-06-07 |
| CN114588568B CN114588568B (en) | 2023-01-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011417052.0A Active CN114588568B (en) | 2020-12-04 | 2020-12-04 | Device for preventing spontaneous combustion of coal in strip-shaped coal storage yard |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116159259A (en) * | 2023-02-28 | 2023-05-26 | 华能太仓港务有限责任公司 | Stainless steel plate connecting structure capable of effectively preventing spontaneous combustion of port yard coal |
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| JPH0884782A (en) * | 1994-09-20 | 1996-04-02 | Babcock Hitachi Kk | Apparatus for preventing accumulated coal from igniting spontaneously |
| CN103057889A (en) * | 2013-01-04 | 2013-04-24 | 广东电网公司电力科学研究院 | Device and method for inhibiting spontaneous combustion of open-air coal piles |
| CN103111030A (en) * | 2013-01-05 | 2013-05-22 | 神华集团有限责任公司 | System and method for preventing coal spontaneous combustion or extinguishing coal spontaneous combustion |
| CN105536174A (en) * | 2016-01-29 | 2016-05-04 | 深圳东信环能科技有限公司 | Method for preventing spontaneous combustion of coal in strip-shaped coal storage yard and application of method |
| CN205360313U (en) * | 2016-01-29 | 2016-07-06 | 深圳东信环能科技有限公司 | Device for preventing spontaneous combustion of circular coal yard coal |
| JP2017029305A (en) * | 2015-07-30 | 2017-02-09 | 中国電力株式会社 | Coal management method |
| CN107826138A (en) * | 2017-11-13 | 2018-03-23 | 蒋志斌 | Coal Transport humidification system |
| CN111959537A (en) * | 2020-08-31 | 2020-11-20 | 台州市天枢机械科技有限公司 | Railway transportation carriage capable of preventing coal spontaneous combustion |
-
2020
- 2020-12-04 CN CN202011417052.0A patent/CN114588568B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0884782A (en) * | 1994-09-20 | 1996-04-02 | Babcock Hitachi Kk | Apparatus for preventing accumulated coal from igniting spontaneously |
| CN103057889A (en) * | 2013-01-04 | 2013-04-24 | 广东电网公司电力科学研究院 | Device and method for inhibiting spontaneous combustion of open-air coal piles |
| CN103111030A (en) * | 2013-01-05 | 2013-05-22 | 神华集团有限责任公司 | System and method for preventing coal spontaneous combustion or extinguishing coal spontaneous combustion |
| JP2017029305A (en) * | 2015-07-30 | 2017-02-09 | 中国電力株式会社 | Coal management method |
| CN105536174A (en) * | 2016-01-29 | 2016-05-04 | 深圳东信环能科技有限公司 | Method for preventing spontaneous combustion of coal in strip-shaped coal storage yard and application of method |
| CN205360313U (en) * | 2016-01-29 | 2016-07-06 | 深圳东信环能科技有限公司 | Device for preventing spontaneous combustion of circular coal yard coal |
| CN107826138A (en) * | 2017-11-13 | 2018-03-23 | 蒋志斌 | Coal Transport humidification system |
| CN111959537A (en) * | 2020-08-31 | 2020-11-20 | 台州市天枢机械科技有限公司 | Railway transportation carriage capable of preventing coal spontaneous combustion |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116159259A (en) * | 2023-02-28 | 2023-05-26 | 华能太仓港务有限责任公司 | Stainless steel plate connecting structure capable of effectively preventing spontaneous combustion of port yard coal |
| CN116159259B (en) * | 2023-02-28 | 2023-10-17 | 华能太仓港务有限责任公司 | Stainless steel plate connecting structure capable of effectively preventing spontaneous combustion of port yard coal |
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| CN114588568B (en) | 2023-01-10 |
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