CN217497990U - Raw coal bunker outlet coal breakage device - Google Patents

Abstract

The utility model relates to a raw coal bunker outlet coal dropping device, which comprises an inlet coal bunker, a coal dropping bobbin, a hyperbolic curve transition bunker, a first blockage clearing mechanism and a second blockage clearing mechanism; the inlet coal bunker is connected with the coal breakage bobbin through the hyperbolic transition bunker, the first blockage removing mechanism is arranged on the coal breakage bobbin, and the second blockage removing mechanism is arranged on the inlet coal bunker. This device is through the cooperation of clear stifled mechanism of first clear stifled mechanism and second, and the different clear stifled device that blocks up that sets up respectively in the different jam points of the different pipeline sections of former coal bunker coal breakage device carries out timely clear stifled to coal bonding position, has promoted the clear stifled efficiency of former coal bunker export coal breakage device, avoids the large tracts of land to become the arch and blocks up, makes former coal bunker coal breakage device can realize supplying coal evenly in succession. And the hyperbolic transition bin is arranged, so that the inlet coal bin is smoothly and hermetically connected with the coal breakage bobbin while the original structure is not damaged, and external moisture and dust are prevented from entering the device.

Description

Raw coal bunker outlet coal breakage device

Technical Field

The utility model relates to a power equipment technical field especially relates to a raw coal bunker exports coal breakage device.

Background

In recent years, in order to improve the operational benefits of enterprises, high-moisture Indonesian coal is blended and burned, and meanwhile, water needs to be sprayed to reduce dust in the transportation process of domestic coal, so that the moisture in the burned coal is increased, the coal dropping pipe at the outlet of a raw coal bunker often forms an arch-forming coal plugging phenomenon in the running process, and particularly during rainy seasons, the coal dropping pipe is more frequently plugged, so that great hidden danger is brought to the stable running of a unit.

Although the existing raw coal bunker is provided with blockage clearing equipment such as an air cannon, a rapping hammer, a loosening machine and the like, the blockage clearing effect is poor. When blending and burning the economic coal, the phenomena of wall sticking, coal fluffing and coal breaking of the raw coal bin still occur frequently, and the economic coal blending and the unit power generation production safety are influenced. Moreover, when coal in the existing raw coal bunker falls into the coal dropping pipe, moisture and dust in the air are easily absorbed, and the probability of coal blocking caused by arch formation during the running of the coal dropping pipe is increased.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

In view of the above-mentioned shortcoming and the not enough of prior art, the utility model provides a raw coal bunker exports coal breakage device, its technical problem who has solved the coal breakage pipe and easily takes place to become to encircle water content and dust in chute blockage and the air and get into raw coal bunker export coal breakage device easily.

(II) technical scheme

In order to achieve the above object, the utility model discloses a raw coal bunker exports coal breakage device includes: the device comprises an inlet coal bin, a coal breakage bobbin, a hyperbolic transition bin, a first blockage cleaning mechanism and a second blockage cleaning mechanism;

the inlet coal bunker is connected with the coal breakage bobbin through the hyperbolic transition bin, the first blockage removing mechanism is arranged on the coal breakage bobbin, and the second blockage removing mechanism is arranged on the inlet coal bunker.

Optionally, the coal breakage bobbin comprises a coal breakage bobbin first material guiding section, a coal breakage bobbin second material guiding section, a coal breakage bobbin first connecting section and a coal breakage bobbin second connecting section;

the first blockage cleaning mechanism comprises a first mechanical blockage cleaning component and a second mechanical blockage cleaning component, the first side of the first mechanical blockage cleaning component is connected with an outlet of a first material guide section of the coal chute pipe, the second side of the first mechanical blockage cleaning component is connected with an inlet of a second material guide section of the coal chute pipe, the first side of the second mechanical blockage cleaning component is connected with an outlet of a first connecting section of the coal chute pipe, and the second side of the second mechanical blockage cleaning component is connected with an inlet of a second connecting section of the coal chute pipe.

Optionally, the first mechanical blockage removing assembly and the second mechanical blockage removing assembly each comprise an annular housing, a scraper, a locating ring and a driving member;

the driving piece set up in on the annular housing, the position circle set up in the annular housing, the driving piece with the position circle is connected in order to drive the position circle is rotatory, the scraper with the inner wall connection of position circle.

Optionally, the scrapers each include a first scraper and a second scraper, and a second end of the first scraper and a first end of the second scraper are both connected to the inner wall of the positioning ring;

the first scraper of the first mechanical blockage removing assembly is sleeved in the first guide section of the coal breakage bobbin and is abutted against the inner wall of the first guide section of the coal breakage bobbin; the second scraper of the first mechanical blockage removing assembly is sleeved in the second guiding section of the coal breakage bobbin and is abutted against the inner wall of the second guiding section of the coal breakage bobbin;

a first end of the first scraper of the first mechanical blockage removal assembly is close to an inlet of a first guide section of the coal chute pipe, and a second end of the second scraper of the first mechanical blockage removal assembly is close to an outlet of a second guide section of the coal chute pipe;

the first scraper of the second mechanical blockage removing assembly is sleeved in the first connecting section of the coal breakage bobbin and is abutted against the inner wall of the first connecting section of the coal breakage bobbin; the second scraper of the second mechanical blockage removing assembly is sleeved in the second connecting section of the coal breakage bobbin and is abutted against the inner wall of the second connecting section of the coal breakage bobbin; the first end of the first scraper of the second mechanical blockage removing assembly is close to the inlet of the first connecting section of the coal chute pipe, and the second end of the second scraper of the second mechanical blockage removing assembly is close to the outlet of the second connecting section of the coal chute pipe.

Optionally, the driving part is a driving motor, a rotating shaft of the driving motor is meshed with an outer ring gear of the positioning ring, and the driving motor can drive the positioning ring to rotate.

Optionally, the second blockage removal mechanism comprises a pneumatic blockage removal assembly, and the pneumatic blockage removal assembly is arranged at an outlet of the inlet coal bunker.

Optionally, the pneumatic blockage removing assembly comprises a connecting pipe, a plurality of nozzles and a plurality of pulse solenoid valves;

it is a plurality of pulse solenoid valve all passes through the compressed air source intercommunication of connecting pipe and power plant, it is a plurality of pulse solenoid valve is with a plurality of the nozzle is the one-to-one respectively and is connected, and is a plurality of the nozzle all set up in the exit of entry coal bunker, it is a plurality of the opening of nozzle all moves towards the entrance of entry coal bunker with the entrance of coal breakage bobbin.

Optionally, a plurality of mounting holes for fixing the nozzle are formed in the casing at the outlet of the inlet coal bunker.

Optionally, the first blockage removing mechanism further comprises a gate, and the gate comprises a first gate valve and a second gate valve which are arranged oppositely;

the first gate valve and the second gate valve are arranged at an outlet of the second material guiding section of the coal falling barrel, and the first gate valve and the second gate valve can open or close the outlet of the second material guiding section of the coal falling barrel.

Optionally, the first gate valve and the second gate valve each include a motor, a gate, a lead screw, a rotating nut, and a housing;

the shell is arranged at an outlet of the second material guiding section of the coal chute barrel, and the rotating nut is rotatably connected with the shell;

the screw rod is sleeved in the shell, the first end of the screw rod is in threaded connection with the rotating nut, the second end of the screw rod is fixedly connected with the inserting plate, the inserting plate is arranged in the shell in a sliding mode, and the inserting plate of the first gate valve and the inserting plate of the second gate valve are oppositely arranged in the same horizontal plane;

the motor is arranged on the shell, and an output shaft of the motor is connected with the rotating nut.

(III) advantageous effects

The utility model has the advantages that: the utility model discloses a clear cooperation of stifled mechanism of first clear stifled mechanism and second, the in-process that carries at coal sets up different clear stifled devices respectively at the different jam points of the different pipeline sections of raw coal bunker coal breakage device and carries out timely clear stifled to coal bonding position, very big promotion the clear stifled efficiency of raw coal bunker export coal breakage device, avoid the large tracts of land to knot to encircle the jam, make raw coal bunker coal breakage device can realize supplying the coal in succession evenly, the effectual problem of the raw coal moisture content increase easy emergence knot arch jam of rainy season of having solved.

And the hyperbolic transition bin in the device enables the inlet coal bin and the coal breakage bobbin to be smoothly and hermetically connected on the premise of not damaging the original state of the inlet coal bin and the coal breakage bobbin, so that external moisture and dust are prevented from entering through a gap between the inlet coal bin and the coal breakage bobbin in the transportation process of coal in the device, the probability of coal arch blockage is reduced, and the coal breakage device at the outlet of the raw coal bin can continuously realize continuous and uniform coal feeding and coal transportation for a long time.

Drawings

FIG. 1 is a schematic view of the overall structure of the coal dropping device at the outlet of the raw coal bunker;

FIG. 2 is a schematic structural view of a positioning ring of the raw coal bunker outlet coal dropping device of the present invention;

fig. 3 is a schematic view of the overall structure of the gate valve of the raw coal bunker outlet coal dropping device of the present invention;

fig. 4 is an enlarged view at a in fig. 3.

[ instruction of reference ]

1: an inlet bunker;

2: a hyperbolic transition bin;

3: a second blockage clearing mechanism; 31: a pneumatic block clearing component;

4: a first block clearing mechanism; 41: a first mechanical unblocking assembly; 42: a second mechanical block clearing component; 411: an annular housing; 412: positioning rings; 413: a first scraper; 414: a second scraper;

43: a panel door; 431: a first gate valve; 432: a second gate valve; 433: an electric motor; 434: inserting plates; 435: a screw rod; 436: rotating the nut; 437: a housing;

6: a coal breakage bobbin; 61: a first material guiding section of the coal dropping bobbin; 62: a second material guiding section of the coal dropping bobbin; 63: a first connecting section of the coal breakage bobbin; 64: and a second connecting section of the coal dropping bobbin.

Detailed Description

For a better understanding of the above technical solutions, exemplary embodiments of the present invention will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the invention are shown in the drawings, it should be understood that the invention can be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art.

As shown in fig. 1, the utility model provides a raw coal bunker exports coal breakage device, raw coal bunker exports coal breakage device includes: the device comprises an inlet coal bunker 1, a coal dropping bobbin 6, a hyperbolic transition bunker 2, a first blockage cleaning mechanism 4 and a second blockage cleaning mechanism 3;

the inlet coal bunker 1 is connected with a coal breakage bobbin 6 through a hyperbolic transition bunker 2, the first blockage removing mechanism 4 is arranged on the coal breakage bobbin 6, and the second blockage removing mechanism 3 is arranged on the inlet coal bunker 1.

In this embodiment, the utility model discloses a clear cooperation of stifled mechanism 3 of first clear stifled mechanism 4 and second, the jam point that the different pipeline sections of former bunker coal breakage device correspond the difference at the in-process that coal was carried sets up respectively that the clear stifled device of difference carries out timely clear stifled to coal bonding position, avoid the large tracts of land to become to encircle and block up, first clear stifled mechanism 4 sets up on entry bunker 1, in the entry bunker 1 to former bunker coal export coal breakage device in the position of arching jam clear stifled in time, avoid taking place to block up in the entry bunker 1, and clear stifled mechanism 3 of second then sets up on coal breakage bobbin 6, clear stifled mechanism 3 of second can in time clear up the coal dust that bonds etc. in coal breakage bobbin 6. Through the cooperation of the multi-position blockage removing mechanism, the problems that the blockage removing effect is poor and the blockage removing is caused by the fact that the blockage removing is only carried out on a single coal breakage structure part and the blockage removing effect is poor and the blockage removing effect is caused by the fact that other parts in the coal breakage device are blocked by arching are solved, the blockage removing efficiency of the coal breakage device at the outlet of the raw coal bunker is greatly improved, the coal can be continuously and uniformly supplied to the coal breakage device of the raw coal bunker, and the problem that the arching blockage is caused easily due to the fact that the moisture of the raw coal is increased in rainy seasons is effectively solved.

And, the entry coal bunker 1 in the device passes through hyperbola transition bin 2 and connects the coal breakage bobbin 6, the setting of hyperbola transition bin 2 makes entry coal bunker 1 and smooth sealing connection of coal breakage bobbin 6 under the prerequisite of not destroying the original state of entry coal bunker 1 and coal breakage bobbin 6, moisture and dust outside in the transportation of having avoided coal in the device get into through the clearance department of entry coal bunker 1 and coal breakage bobbin 6, avoid the water content of coal further to improve in the transportation, the area that the coal knot arch blockked up has been reduced, make the continuous even coal feeding of realization that the export coal breakage device of raw coal bunker can last for a long time transport the coal.

As shown in fig. 1, the coal breakage bobbin 6 includes a coal breakage bobbin first guide section 61, a coal breakage bobbin second guide section 62, a coal breakage bobbin first connection section 63, and a coal breakage bobbin second connection section 64;

the first blockage removing mechanism 4 comprises a first mechanical blockage removing component 41 and a second mechanical blockage removing component 42, the first side of the first mechanical blockage removing component 41 is connected with an outlet of a first guiding section 61 of the coal chute pipe, the second side of the first mechanical blockage removing component 41 is connected with an inlet of a second guiding section 62 of the coal chute pipe, the first side of the second mechanical blockage removing component 42 is connected with an outlet of a first connecting section 63 of the coal chute pipe, and the second side of the second mechanical blockage removing component 42 is connected with an inlet of a second connecting section 64 of the coal chute pipe.

In this embodiment, the first mechanical blockage cleaning component 41 is disposed on the first coal chute pipe material guiding section 61 and the second coal chute pipe material guiding section 62, and the first mechanical blockage cleaning component 41 can rapidly and comprehensively clean the first coal chute pipe material guiding section 61 and the second coal chute pipe material guiding section 62, so as to prevent the first coal chute pipe material guiding section 61 and the second coal chute pipe material guiding section 62 from being blocked. And the clear stifled subassembly 42 of second machinery sets up on the first linkage segment 63 of coal breakage bobbin and coal breakage bobbin second linkage segment 64, clear stifled subassembly 42 can carry out comprehensive quick mechanical clear stifled to the first linkage segment 63 of coal breakage bobbin and coal breakage bobbin second linkage segment 64 fast through the second machinery, avoid 6 coal breakage bobbin first linkage segment 63 of coal breakage bobbin and coal breakage bobbin second linkage segment 64 stifled knots of coal breakage bobbin, clear stifled subassembly 41 and the cooperation of the clear stifled subassembly 42 of second machinery through first machinery for the position of blocking up of the knot arch in the coal breakage bobbin 6 can obtain comprehensive quick clearance, avoid blocking up the knot arch for a long time. And this first clear stifled mechanism 4's setting utilizes two sets of scraper circumference rotating machinery clear stifled subassemblies, has guaranteed that all have the scraper operation in the whole height of whole coal breakage bobbin 6, avoids the existence of clearance blind area to reach further solution coal blockage problem, avoid in the past single configuration mode and the structural style of arranging to leave the clearance blind area and can not thoroughly solve the jam problem of coal breakage bobbin 6.

Referring to fig. 2, each of the first mechanical blockage removal assembly 41 and the second mechanical blockage removal assembly 42 includes an annular housing 411, a scraper, a positioning ring 412 and a driving member; the driving member is disposed on the annular housing 411, the positioning ring 412 is disposed in the annular housing 411, the driving member is connected with the positioning ring 412 to drive the positioning ring 412 to rotate, and the scraper is connected with an inner wall of the positioning ring 412. The driving piece is a driving motor, a rotating shaft of the driving motor is meshed with the outer ring gear of the positioning ring 412, and the driving motor can drive the positioning ring 412 to rotate.

In this embodiment, the rotating parts of the first mechanical blockage removing component 41 and the second mechanical blockage removing component 42 are supported and positioned by the ball type positioning ring 412, so that the axial runout and the radial runout of the first mechanical blockage removing component 41 and the second mechanical blockage removing component 42 are not more than 0.1mm in the working process; the transmission part adopts an external gear ball type locating ring 412 to support transmission structure for transmission, so that the first mechanical blockage cleaning component 41 and the second mechanical blockage cleaning component 42 can clean the raw coal at the arching part of the coal breakage bobbin 6 in time, comprehensively and quickly. In this embodiment, the annular housings 411 of the first mechanical blockage removing assembly 41 and the second mechanical blockage removing assembly 42 are both made of wear-resistant 12Cr13 stainless steel plates, and the service life of the annular housing 411 exceeds 20 years, so that frequent replacement of the housings 437 of the first mechanical blockage removing assembly 41 and the second mechanical blockage removing assembly 42 in the use process is avoided. The scraper of the first mechanical blockage cleaning component 41 and the scraper of the second mechanical blockage cleaning component 42 are formed by integrally forging 42CrMo, so that the scraper has higher strength and toughness, higher fatigue limit and multiple impact resistance, and the service life of the rotary mechanical blockage cleaning device of the scraper is greatly prolonged.

In a preferred embodiment, the scrapers each comprise a first scraper 413 and a second scraper 414, and a second end of the first scraper 413 and a first end of the second scraper 414 are both connected with an inner wall of the spacer 412; the first scraper 413 of the first mechanical blockage removing component 41 is sleeved in the first guiding section 61 of the coal breakage bobbin and is abutted against the inner wall of the first guiding section 61 of the coal breakage bobbin; the second scraper 414 of the first mechanical blockage removing assembly 41 is sleeved in the second guiding section 62 of the coal chute pipe and abuts against the inner wall of the second guiding section 62 of the coal chute pipe; a first end of a first scraper 413 of the first mechanical blockage removal component 41 is close to the inlet of the first coal chute guide section 61, and a second end of a second scraper 414 of the first mechanical blockage removal component 41 is close to the outlet of the second coal chute guide section 62; the first scraper 413 of the second mechanical blockage removing component 42 is sleeved in the first connecting section 63 of the coal breakage bobbin and is abutted against the inner wall of the first connecting section 63 of the coal breakage bobbin; the second scraper 414 of the second mechanical blockage removal assembly 42 is sleeved in the second connection section 64 of the coal chute pipe and abuts against the inner wall of the second connection section 64 of the coal chute pipe; the first end of the first scraper 413 of the second mechanical blockage removal assembly 42 is close to the inlet of the first connecting section 63 of the coal chute pipe, and the second end of the second scraper 414 of the second mechanical blockage removal assembly 42 is close to the outlet of the second connecting section 64 of the coal chute pipe.

In this embodiment, the first scraper 413 and the second scraper 414 ensure that all scrapers operate within the height of the whole coal breakage bobbin 6 through the installation mode, so that the existence of a cleaning blind area is avoided, and through the installation mode, the first mechanical blockage cleaning component 41 and the second mechanical blockage cleaning component 42 can comprehensively and quickly clean the arch part of the coal breakage bobbin 6, so that the arch blockage of the coal breakage bobbin 6 is avoided, and the coal breakage bobbin 6 of the device can continuously realize continuous and uniform coal feeding and coal conveying for a long time.

As shown in fig. 1, the second blockage removing mechanism 3 includes a pneumatic blockage removing assembly 31, and the pneumatic blockage removing assembly 31 is disposed at the outlet of the inlet coal bunker 1. The pneumatic blockage removing assembly 31 comprises a connecting pipe, a plurality of nozzles and a plurality of pulse electromagnetic valves; a plurality of pulse solenoid valves all communicate with the compressed air source of power plant through the connecting pipe, and a plurality of pulse solenoid valves are connected with a plurality of nozzles one-to-one respectively, and a plurality of nozzles all set up in the exit of entry coal bunker 1, and the opening of a plurality of nozzles all faces the entrance of entry coal bunker 1 and the entrance of coal breakage bobbin 6. A plurality of mounting holes for fixing nozzles are opened in the casing 437 at the outlet of the inlet bunker 1.

The starting interval time of the pulse electromagnetic valve in the raw coal bunker outlet coal dropping device is 20 min. The nozzle encircles and sets up around former coal breakage mouth pipeline, and the interval is evenly arranged 30, guarantees the clear omnidirectionality of stifled of pneumatic clear stifled subassembly 31, has improved the device's efficiency. In the above embodiment, compressed air is used as a power source, a gas injection device is installed on the pipe wall at the outlet of the inlet coal bunker 1, the pulse electromagnetic valve is used to control the single injection time of the nozzles connected with the gas injection device and the arrangement of the gas injection interval pneumatic blockage clearing component 31 between the nozzles, and compressed gas injected by the nozzles is used to sweep and remove hardened coal adhered to the wall, so that the blockage clearing effect is achieved. Meanwhile, the high-speed airflow forms airflow which is diffused to the periphery in the hardened coal, so that the blockage removing area is further enlarged. And the air flow sprayed out by the nozzle can form a layer of air cushion between the coal and the pipe wall of the coal dropping device at the outlet of the raw coal bin, so that the caking property between the coal and the pipe wall is reduced, and the arch formation and blockage are further prevented. Besides, the compressed gas sprayed by the nozzle is outside the position of the device after the blockage of the arch is cleaned, and the water in the device can be further taken away by the overflowed gas flow, so that the device is drier, the blockage of the arch is effectively prevented, the blockage cleaning efficiency is improved, and the coal feeding device of the raw coal bunker can continuously and uniformly feed coal.

As shown in fig. 3 and 4, the first block removing mechanism 4 further includes a gate 43, and the gate 43 includes a first gate valve 431 and a second gate valve 432 which are oppositely arranged; the first gate valve 431 and the second gate valve 432 are both arranged at the outlet of the second guiding section 62 of the coal breakage bobbin, and the first gate valve 431 and the second gate valve 432 can both open or close the outlet of the second guiding section 62 of the coal breakage bobbin. The first gate valve 431 and the second gate valve 432 respectively comprise a motor 433, a gate 434, a screw rod 435, a rotating nut 436 and a shell 437; the shell 437 is arranged at the outlet of the second material guiding section 62 of the coal chute barrel, and the rotating nut 436 is rotatably connected with the shell 437; the screw 435 is sleeved in the shell 437, a first end of the screw 435 is in threaded connection with the rotating nut 436, a second end of the screw 435 is fixedly connected with the inserting plate 434, the inserting plate 434 is arranged in the shell 437 in a sliding manner, and the inserting plate 434 of the first gate valve 431 and the inserting plate 434 of the second gate valve 432 are oppositely arranged in the same horizontal plane; the motor 433 is provided on the housing 437, and an output shaft of the motor 433 is connected to a rotating nut 436.

In this embodiment, the first gate valve 431 and the second gate valve 432 which are split in two directions are both arranged at the outlet of the second guiding section 62 of the coal chute barrel, and the shell 437 and the coal chute barrel 6 are arranged in a sealing manner, so that the leakage phenomenon in the opening and closing process of the gate 434 is avoided. The housing 437 of the valve of the insert plate 434 is 10mm thick and is made of 12Cr13 stainless steel. The operation tracks of the first gate valve 431 and the second gate valve 432 have an automatic cleaning function to prevent the connection between the gate 434 and the coal chute 6 from being blocked, and in one embodiment, a scraper protruding toward the gate 434 is provided at the connection between the second material guiding section 62 of the coal chute pipe and the housing 437 of the gate 434, and can be abutted against the gate 434, and when the gate 434 is opened and closed, the scraper automatically cleans the residual coal on the gate 434. The inserting plate 434 is in threaded connection with a rotating nut 436 by a screw 435, an output shaft of a motor 433 drives the rotating nut 436 to rotate during operation, the rotating nut 436 fixed axially drives the screw 435 to do axial reciprocating motion, the screw 435 reciprocating axially drives the inserting plate 434 to slide in a shell 437, and an outlet of the second material guiding section 62 of the coal chute barrel is opened or closed by sliding of the inserting plate 434. Through the mutual cooperation of the two mechanical blockage cleaning assemblies and the inserting plate door 43, the operation of scrapers in the height of the whole blockage cleaning device is guaranteed, and no cleaning blind area exists, so that the problem that coal is blocked due to arching when economic coal is mixed and burned is thoroughly solved, the safety of the economic coal mixing and burning and the power generation production of a unit is guaranteed, and the device is simple in structure and convenient to use.

In the description of the present invention, it is to be understood that the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium; either as communication within the two elements or as an interactive relationship of the two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present application, unless otherwise expressly stated or limited, a first feature may be "on" or "under" a second feature, and the first and second features may be in direct contact, or the first and second features may be in indirect contact via an intermediate. Also, a first feature "on," "above," and "over" a second feature may be directly or obliquely above the second feature, or simply mean that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the second feature, or may simply mean that the first feature is at a lower level than the second feature.

In the description herein, the description of the terms "one embodiment," "some embodiments," "an embodiment," "an example," "a specific example" or "some examples" or the like, means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

While embodiments of the present invention have been shown and described, it is to be understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that modifications, alterations, substitutions and variations may be made to the above embodiments by those of ordinary skill in the art without departing from the scope of the present invention.

Claims (10)

1. The utility model provides a raw coal bunker export coal breakage device which characterized in that, raw coal bunker export coal breakage device includes: the device comprises an inlet coal bin, a coal breakage bobbin, a hyperbolic transition bin, a first blockage cleaning mechanism and a second blockage cleaning mechanism;

the inlet coal bunker is connected with the coal dropping bobbin through the hyperbolic transition bin, the first blockage clearing mechanism is arranged on the coal dropping bobbin, and the second blockage clearing mechanism is arranged on the inlet coal bunker.

2. The raw coal bunker outlet coal breakage device of claim 1, wherein the coal breakage bobbin comprises a coal breakage bobbin first material guiding section, a coal breakage bobbin second material guiding section, a coal breakage bobbin first connecting section and a coal breakage bobbin second connecting section;

the first blockage clearing mechanism comprises a first mechanical blockage clearing component and a second mechanical blockage clearing component, the first side of the first mechanical blockage clearing component is connected with an outlet of a first material guide section of the coal breakage bobbin, the second side of the first mechanical blockage clearing component is connected with an inlet of a second material guide section of the coal breakage bobbin, the first side of the second mechanical blockage clearing component is connected with an outlet of a first connecting section of the coal breakage bobbin, and the second side of the second mechanical blockage clearing component is connected with an inlet of a second connecting section of the coal breakage bobbin.

3. The raw coal bunker outlet coal dropping device of claim 2, wherein the first mechanical blockage removal component and the second mechanical blockage removal component each comprise an annular housing, a scraper, a locating ring, and a driving member;

the driving piece set up in on the annular housing, the position circle set up in the annular housing, the driving piece with the position circle is connected in order to drive the position circle is rotatory, the scraper with the inner wall connection of position circle.

4. The raw coal bunker outlet coal dropping device of claim 3, wherein the scrapers each comprise a first scraper and a second scraper, and a second end of the first scraper and a first end of the second scraper are each connected to the inner wall of the position ring;

the first scraper of the first mechanical blockage removing component is sleeved in the first material guiding section of the coal chute and is abutted with the inner wall of the first material guiding section of the coal chute; the second scraper of the first mechanical blockage removing assembly is sleeved in the second guiding section of the coal breakage bobbin and is abutted against the inner wall of the second guiding section of the coal breakage bobbin;

a first end of the first scraper of the first mechanical blockage removal assembly is close to an inlet of a first guide section of the coal chute pipe, and a second end of the second scraper of the first mechanical blockage removal assembly is close to an outlet of a second guide section of the coal chute pipe;

the first scraper of the second mechanical blockage removing assembly is sleeved in the first connecting section of the coal breakage bobbin and is abutted against the inner wall of the first connecting section of the coal breakage bobbin; the second scraper of the second mechanical blockage removing assembly is sleeved in the second connecting section of the coal breakage bobbin and is abutted against the inner wall of the second connecting section of the coal breakage bobbin; the first end of the first scraper of the second mechanical blockage removing assembly is close to the inlet of the first connecting section of the coal chute pipe, and the second end of the second scraper of the second mechanical blockage removing assembly is close to the outlet of the second connecting section of the coal chute pipe.

5. The raw coal bunker outlet coal dropping device of claim 3, wherein the driving member is a driving motor, a rotating shaft of the driving motor is meshed with an outer ring gear of the positioning ring, and the driving motor can drive the positioning ring to rotate.

6. The raw coal bunker outlet coal dropping device of any one of claims 1-4, wherein the second blockage removal mechanism includes a pneumatic blockage removal assembly disposed at the inlet bunker outlet.

7. The raw coal bunker outlet coal dropping device of claim 6, wherein the pneumatic blockage removal assembly includes a connecting pipe, a plurality of nozzles, and a plurality of pulse solenoid valves;

it is a plurality of pulse solenoid valve all passes through the compressed air source intercommunication of connecting pipe and power plant, it is a plurality of pulse solenoid valve is with a plurality of the nozzle is the one-to-one respectively and is connected, and is a plurality of the nozzle all set up in the exit of entry coal bunker, it is a plurality of the opening of nozzle all moves towards the entrance of entry coal bunker with the entrance of coal breakage bobbin.

8. The raw coal bunker outlet coal dropping device of claim 7, wherein a plurality of mounting holes for fixing the nozzles are formed in the housing at the outlet of the inlet coal bunker.

9. The raw coal bunker outlet coal breakage device of any one of claims 1-4, wherein the first blockage removal mechanism further comprises a gate comprising a first gate valve and a second gate valve arranged in opposition;

the first gate valve and the second gate valve are arranged at an outlet of the second guide section of the coal breakage bobbin, and the first gate valve and the second gate valve can open or close the outlet of the second guide section of the coal breakage bobbin.

10. The raw coal bunker outlet coal dropping device of claim 9, wherein the first gate valve and the second gate valve each comprise a motor, a gate, a lead screw, a rotating nut, and a housing;

the shell is arranged at an outlet of the second material guiding section of the coal chute barrel, and the rotating nut is rotatably connected with the shell;

the screw rod is sleeved in the shell, the first end of the screw rod is in threaded connection with the rotating nut, the second end of the screw rod is fixedly connected with the inserting plate, the inserting plate is arranged in the shell in a sliding mode, and the inserting plate of the first gate valve and the inserting plate of the second gate valve are oppositely arranged in the same horizontal plane;

the motor is arranged on the shell, and an output shaft of the motor is connected with the rotating nut.

Images