CN114313658B - Bin wall vibrating air hammer blockage removal auxiliary system for coal hopper - Google Patents
Bin wall vibrating air hammer blockage removal auxiliary system for coal hopper Download PDFInfo
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- CN114313658B CN114313658B CN202111397028.XA CN202111397028A CN114313658B CN 114313658 B CN114313658 B CN 114313658B CN 202111397028 A CN202111397028 A CN 202111397028A CN 114313658 B CN114313658 B CN 114313658B
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Abstract
The invention discloses a silo wall vibrating air hammer blockage removal auxiliary system for a coal hopper, which comprises the coal hopper and an annular slideway, wherein the annular slideway is fixedly arranged on the outer side of the coal hopper through a frame, the axial leads of the coal hopper and the annular slideway are the same, a vibration blockage removal mechanism and a trigger mechanism are arranged on the inner side wall of the coal hopper, and a linkage silo is arranged on the outer side wall of the coal hopper. According to the invention, the coal bucket plug pushes the arc-shaped plate to move towards the direction of the coal bucket, the driving switch triggers the sliding base switch to drive the sliding base to slide on the surface of the annular slide way, the communicated switch trigger switch is connected through the conductive copper block, the sliding base stops rotating when the power is off, the rapping air hammer is powered on to perform rapping and plug cleaning on the coal bucket.
Description
Technical Field
The invention relates to the technical field of coal hopper blockage removal, in particular to a silo wall vibrating air hammer blockage removal auxiliary system for a coal hopper.
Background
The coal hopper and the coal bunker are important components of a pulverizing system of a power plant, a temporary storage space is provided for boiler combustion, the continuity of coal feeding is guaranteed, and the coal hopper plays an important role in production guarantee, stable power generation and the like.
Traditional coal scuttle is clear stifled mainly adopts around the coal scuttle fixed the multiunit to shake and beats the air hammer device and shake to shake and relieve stifled to the coal scuttle wall, but the every group of this kind of mode installation shakes and beats the scope of air hammer effect very limitedly, hardly effective action encircles each position of coal scuttle, can only set up at each face of coal scuttle and shake the air hammer as much as possible, just so increased the operating cost, shake moreover shake the inboard coal pile of air hammer cooperation traditional coal scuttle and mainly transmit to the coal scuttle through the vibration, the inefficiency of transmission energy, it is unsatisfactory to relieve stifled effect.
Disclosure of Invention
The invention aims to solve the defects in the prior art and provides a silo wall rapping air hammer blockage removal auxiliary system for a coal hopper.
In order to achieve the purpose, the invention adopts the following technical scheme:
a silo wall rapping air hammer blockage removal auxiliary system for a coal hopper comprises the coal hopper and an annular slide way, wherein the annular slide way is fixedly installed on the outer side of the coal hopper through a frame, the axial leads of the coal hopper and the annular slide way are the same, a vibration blockage removal mechanism and a trigger mechanism are installed on the inner side wall of the coal hopper, and a linkage silo is installed on the outer side wall of the coal hopper;
concave type slide has been seted up on the surface of annular slide, the surperficial symmetry movable mounting of annular slide has two sets of sliding bottom, the electric drive gyro wheel is installed to sliding bottom's bottom, sliding bottom's top fixed mounting shakes and beats the air hammer and cushion the back seat, just the one end of shaking the air hammer is fixed the lateral wall of buffering the back seat, there is the trigger ring at the top of buffering the back seat through a dead lever fixed mounting, the inboard of triggering the ring sets up the trigger recess of the even symmetric distribution of multiunit.
Preferably, two sets of vertically symmetrical limiting grooves are further formed in the inner side wall of the trigger ring, two sets of vertically symmetrical communicating switches are fixedly mounted on the inner side wall of the trigger groove, and two sides of the trigger groove in the horizontal direction are both designed to be rounded.
Preferably, the vibration is clear stifled mechanism includes the vibration board, the vibration board pass through the recess activity of a size looks adaptation that the coal scuttle inside wall was seted up cup joint in the inside wall of coal scuttle, the vibration board in fixed mounting has spacing spring between the coal scuttle, just the vibration board has the rectangular plate through a dead lever fixed mounting, the rectangular plate with the inside wall of coal scuttle is laminated mutually.
Preferably, the side surface of the vibrating plate is designed with a triangular pyramid block projection with an acute angle upward;
the sliding base is designed to be inclined, and the rapping position of the rapping air hammer and the rectangular plate are in the same horizontal line.
Preferably, the trigger mechanism includes the arc, the arc pass through the recess activity of a size looks adaptation that the inside wall of coal scuttle was seted up cup joint in the inside wall of coal scuttle, the arc in fixed mounting has reset spring between the inside wall of coal scuttle, the bottom fixed mounting of arc the direction perpendicular with the circular connecting rod of coal scuttle inside wall, circular connecting rod eye god extremely the outside of coal scuttle extends to the inner chamber of interlock storehouse, the side of circular connecting rod has cup jointed two sets of drive switches that correspond, a set of fixed mounting of drive switch with the side of arc, another set of fixed mounting of drive switch in the inside wall of coal scuttle.
Preferably, a piston plate is movably sleeved on the inner side of the linkage bin, a compression spring is fixedly mounted between the piston plate and the inner side wall, far away from the coal hopper, of the linkage bin, a rectangular connecting rod is fixedly mounted on the side face of the piston plate and extends to the outer side of the linkage bin, a buffer mechanism is mounted at the top end of the rectangular connecting rod, and the buffer mechanism is in contact with the inner side wall of the trigger ring.
Preferably, the buffer mechanism comprises a rectangular frame, two sets of limiting protrusions which are vertically symmetrical are fixedly arranged on one side of the rectangular frame, the limiting protrusions are movably sleeved on the inner side of the limiting groove, the rectangular connecting rod is movably sleeved on the inner side of the rectangular frame, a spring buffer rod is arranged at the top end of the rectangular connecting rod, and the other end of the spring buffer rod is connected with a conductive copper block.
Preferably, the shape and size of the conductive copper block are matched with the triggering groove and the communicated switch, and two ends of the conductive copper block are designed to be round corners;
and the communication type switch, the sliding base, the driving switch and the rapping air hammer are electrically connected.
Compared with the prior art, the invention has the beneficial effects that:
1. when the coal bucket is blocked, the coal material is accumulated to push the arc-shaped plate to move towards the direction of the coal bucket, the sliding base switch is triggered through the driving switch to drive the sliding base to slowly slide on the surface of the annular slide way, meanwhile, the piston plate is pushed through the circular connecting rod to drive the rectangular connecting rod to move, the conductive copper block is pushed to move towards the direction of the triggering ring, the spring buffer rod is in a compressed state, when the sliding base rotates to drive the triggering ring to rotate, and the triggering groove moves to the position of the conductive copper block, the conductive copper block enters the inner side of the triggering groove under the restoring force of the spring buffer rod, meanwhile, the communicating switch is connected with the conductive copper block to trigger the switch, at the moment, the sliding base is powered off and stops rotating, the rapping air hammer is powered on to perform rapping and clearing on the coal bucket, after clearing is completed, the arc-shaped plate is reset under the action of the reset spring, meanwhile, the compression spring resets the rectangular connecting rod and the conductive copper block, the conductive copper block is separated from being in contact with the communicating switch, the communicating switch is short circuit, and the rapping air hammer is automatically powered off; compare in traditional fixed and multiple spot setting and shake the air hammer, not only reduced equipment quantity cost, but also realized can automatically regulated when blockking up and shake the air hammer motion to block up the position, and automatic start shakes and shakes the air hammer and implements simultaneously to shake in the symmetry both sides and shake and unblock, not only unblock effectual, realize automatic shutdown after unblock completion moreover, realized intelligent high efficiency work, not only effectively improved work efficiency, avoided invalid work moreover, effectively practiced thrift the resource.
2. When the rapping air hammer is electrified and rapped, the vibration force is over against the rectangular plate to drive the vibration plate to vibrate and strike the coal briquette, compared with the traditional rapping, the coal briquette is crushed through vibration, the vibration plate enables the vibration plate to generate a small amount of displacement through the alignment rapping of the rapping air hammer and matching with the limiting spring, and the coal briquette can be effectively rapped and crushed by matching with the design of the triangular cone on the side surface of the vibration plate, so that the blockage removing efficiency of the coal hopper is improved; and when the coal cinder slips from the inside wall through the vibration board, the broken effect of cleaving can also effectively be realized to the great coal cinder of viscosity to the design of the triangular cone of vibration board side, has effectively reduced canopy coal and jam.
Drawings
FIG. 1 is a schematic view of the overall structure of a silo wall rapping air hammer blockage removal auxiliary system for a coal hopper, which is provided by the invention;
FIG. 2 is a schematic structural view of an annular slideway of a silo wall rapping air hammer blockage removal auxiliary system for a coal hopper, which is provided by the invention;
FIG. 3 is a schematic diagram of a trigger groove structure of a silo wall rapping air hammer blockage removal auxiliary system for a coal hopper, which is provided by the invention;
FIG. 4 is a schematic structural diagram of a vibration blockage clearing mechanism of the silo wall rapping air hammer blockage clearing auxiliary system for the coal hopper, which is provided by the invention;
FIG. 5 is a schematic structural diagram of a trigger mechanism of the auxiliary system for clearing blockage of the bin wall rapping air hammer for the coal hopper, which is provided by the invention;
fig. 6 is a schematic structural diagram of a buffering mechanism of the silo wall rapping air hammer blockage removal auxiliary system for the coal hopper.
In the figure: 1. a coal hopper; 2. an annular chute; 3. a vibration blockage clearing mechanism; 4. a trigger mechanism; 5. a linkage cabin; 6. triggering the groove; 21. a sliding base; 22. vibrating an air hammer; 23. a buffer rear seat; 24. triggering the circular ring; 31. a vibrating plate; 32. a limiting spring; 33. a rectangular plate; 41. an arc-shaped plate; 42. a circular connecting rod; 43. a return spring; 44. a drive switch; 51. a piston plate; 52. a compression spring; 53. a rectangular connecting rod; 54. a buffer mechanism; 61. a limiting groove; 62. a connected switch; 541. a rectangular frame; 542. a limiting bulge; 543. a spring buffer rod; 544. a conductive copper block.
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. 1-6, a silo wall rapping air hammer blockage removal auxiliary system for a coal hopper comprises a coal hopper 1 and an annular slideway 2, wherein the annular slideway 2 is fixedly arranged on the outer side of the coal hopper 1 through a frame, the axial leads of the coal hopper 1 and the annular slideway 2 are the same, a vibration blockage removal mechanism 3 and a trigger mechanism 4 are arranged on the inner side wall of the coal hopper 1, and a linkage silo 5 is arranged on the outer side wall of the coal hopper 1;
concave slide has been seted up on the surface of annular slide 2, the surperficial symmetry movable mounting of annular slide 2 has two sets of sliding bottom 21, the electric drive gyro wheel is installed to sliding bottom 21's bottom, sliding bottom 21's top fixed mounting shakes and beats air hammer 22 and buffering back seat 23, and the one end of shaking air hammer 22 is fixed at the lateral wall of buffering back seat 23, there is trigger ring 24 at the top of buffering back seat 23 through a dead lever fixed mounting, trigger ring 24's inboard has seted up the trigger recess 6 of the even symmetric distribution of multiunit.
As shown in fig. 3, two sets of vertically symmetrical limiting grooves 61 are further formed in the inner side wall of the trigger ring 24, two sets of vertically symmetrical communicating switches 62 are fixedly mounted on the inner side wall of the trigger groove 6, and two sides of the trigger groove 6 in the horizontal direction are both rounded.
As shown in fig. 4, the vibration blockage removing mechanism 3 includes a vibration plate 31, the vibration plate 31 is movably sleeved on the inner side wall of the coal bucket 1 through a groove with a size matched with the inner side wall of the coal bucket 1, the vibration plate 31 is fixedly provided with a limiting spring 32 between the coal buckets 1, the vibration plate 31 is fixedly provided with a rectangular plate 33 through a fixing rod, and the rectangular plate 33 is attached to the inner side wall of the coal bucket 1.
As shown in fig. 4, the side surface of the vibrating plate 31 is designed with a triangular pyramid block projection with an acute angle facing upwards;
the slide base 21 is designed to be inclined, and the rapping position of the rapping air hammer 22 is in the same horizontal line as the rectangular plate 33.
As shown in fig. 5, the triggering mechanism 4 includes an arc plate 41, the arc plate 41 is movably sleeved on the inner side wall of the coal bunker 1 through a groove of a size matched with the inner side wall of the coal bunker 1, a return spring 43 is fixedly installed between the inner side walls of the arc plate 41 and the coal bunker 1, a circular connecting rod 42 of the inner side wall of the coal bunker 1 in the direction vertical to the bottom fixed installation of the arc plate 41, the circular connecting rod 42 is protruded to the outer side of the coal bunker 1 and extends to the inner cavity of the linkage cabin 5, two sets of corresponding driving switches 44 are sleeved on the side surfaces of the circular connecting rod 42, a set of fixed installation of the driving switches 44 is connected with the side surfaces of the arc plate 41, and the other set of fixed installation of the driving switches 44 is fixed on the inner side wall of the coal bunker 1.
As shown in fig. 5, a piston plate 51 is movably sleeved on the inner side of the linkage bin 5, a compression spring 52 is fixedly installed between the piston plate 51 and the inner side wall of the linkage bin 5 far away from the coal hopper 1, a rectangular connecting rod 53 is fixedly installed on the side surface of the piston plate 51, the rectangular connecting rod 53 extends to the outer side of the linkage bin 5, a buffer mechanism 54 is installed at the top end of the rectangular connecting rod 53, and the buffer mechanism 54 is in contact with the inner side wall of the trigger ring 24.
As shown in fig. 6, the buffering mechanism 54 includes a rectangular frame 541, two sets of vertically symmetric limiting protrusions 542 are fixedly mounted on one side of the rectangular frame 541, the limiting protrusions 542 are movably sleeved on the inner side of the limiting groove 61, the rectangular connecting rod 53 is movably sleeved on the inner side of the rectangular frame 541, a spring buffering rod 543 is mounted at the top end of the rectangular connecting rod 53, and the other end of the spring buffering rod 543 is connected with a conductive copper block 544.
As shown in fig. 6, the conductive copper block 544 has a shape and size matched with the trigger groove 6 and the through switch 62, and two ends of the conductive copper block 544 are designed to be rounded;
the communication switch 62, the sliding base 21, the driving switch 44 and the rapping air hammer 22 are electrically connected.
In the invention, when a coal hopper 1 is blocked, coal material is accumulated to push an arc-shaped plate 41 to move towards the coal hopper 1, two groups of driving switches 44 are driven to be attached, a sliding base 21 is triggered to be switched by the driving switches 44, the sliding base 21 is driven to slowly slide on the surface of an annular slide way 2, meanwhile, a piston plate 51 is pushed by a circular connecting rod 42 to drive a rectangular connecting rod 53 to move, a conductive copper block 544 is pushed to move towards a triggering ring 24, a spring buffer rod 543 is in a compression state, when the sliding base 21 rotates to drive the triggering ring 24 to rotate, and the triggering groove 6 moves to the position of the conductive copper block 544, the conductive copper block 544 enters the inner side of the triggering groove 6 under the restoring force of the spring buffer rod, and is connected with a communicating switch 62 through the conductive copper block 544, at the moment, the sliding base 21 is powered off and stops rotating, a rapping air hammer 22 is powered on, rapping blockage is performed on the coal hopper 1, after blockage is completed, the arc-shaped plate 41 is reset under the action of a resetting spring 43, and simultaneously, the compression spring 52 resets to drive the connecting rod 53 and drive the connecting rod 544 and the communicating switch 62 to be disconnected with the communicating switch 62, and the short circuit of the rapping air hammer 62, and the short circuit is automatically disconnected; compared with the traditional fixed and multipoint vibrating air hammer, the automatic blocking remover can automatically start the operation of vibrating the air hammer 22 during blocking, automatically adjust the vibrating air hammer 22 to move to the blocking position, and simultaneously vibrate and unblock at two symmetrical sides, and automatically stop after the unblocking is finished, so that the intelligent high-efficiency work is realized, the work efficiency is effectively improved, the invalid work is avoided, and the resources are effectively saved;
when the rapping air hammer 22 is electrified and rapped, the vibration force is over against the rectangular plate 33, and the vibration plate 31 is driven to vibrate and strike the coal briquette, compared with the traditional rapping, the coal briquette is crushed through vibration, the vibration plate 31 is rapped and matched with the limit spring 32 through the alignment of the rapping air hammer 22 to ensure that the vibration plate 31 generates a small amount of displacement, and the coal briquette can be effectively rapped and crushed by matching with the design of the triangular cone on the side surface of the vibration plate 31, so that the blockage removing efficiency of the coal hopper 1 is improved; and when the coal cinder from the inside wall landing through vibration board 31, the broken effect of splitting can also be effectively realized to the great coal cinder of viscosity to the design of the triangle cone of vibration board 31 side, has effectively reduced canopy coal and has blockked up.
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 to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (6)
1. A silo wall rapping air hammer blockage removal auxiliary system for a coal hopper comprises the coal hopper (1) and an annular slide way (2), and is characterized in that the annular slide way (2) is fixedly installed on the outer side of the coal hopper (1) through a frame, the axial leads of the coal hopper (1) and the annular slide way (2) are the same, a vibration blockage removal mechanism (3) and a trigger mechanism (4) are installed on the inner side wall of the coal hopper (1), and a linkage silo (5) is installed on the outer side wall of the coal hopper (1);
the surface of the annular slide way (2) is provided with a concave slide way, the surface of the annular slide way (2) is symmetrically and movably provided with two groups of sliding bases (21), the bottom of each sliding base (21) is provided with an electrically driven roller, the top of each sliding base (21) is fixedly provided with a rapping air hammer (22) and a buffering rear seat (23), one end of each rapping air hammer (22) is fixed on the side wall of each buffering rear seat (23), the top of each buffering rear seat (23) is fixedly provided with a triggering ring (24) through a fixed rod, and the inner side of each triggering ring (24) is provided with a plurality of groups of triggering grooves (6) which are uniformly and symmetrically distributed;
the trigger mechanism (4) comprises an arc-shaped plate (41), the arc-shaped plate (41) is movably sleeved on the inner side wall of the coal hopper (1) through a groove which is formed in the inner side wall of the coal hopper (1) and has a size matched with that of the groove, a return spring (43) is fixedly installed between the arc-shaped plate (41) and the inner side wall of the coal hopper (1), a circular connecting rod (42) which is vertical to the inner side wall of the coal hopper (1) in direction is fixedly installed at the bottom of the arc-shaped plate (41), the circular connecting rod (42) extends to the outer side of the coal hopper (1) and extends to the inner cavity of the linkage bin (5), two groups of corresponding driving switches (44) are sleeved on the side surface of the circular connecting rod (42), one group of the driving switches (44) is fixedly installed on the side surface of the arc-shaped plate (41), and the other group of the driving switches (44) is fixedly installed on the inner side wall of the coal hopper (1);
the inner side of the linkage cabin (5) is movably sleeved with a piston plate (51), the piston plate (51) and the linkage cabin (5) are far away from a compression spring (52) fixedly installed between the inner side walls of the coal hopper (1), a rectangular connecting rod (53) is fixedly installed on the side face of the piston plate (51), the rectangular connecting rod (53) extends to the outer side of the linkage cabin (5), a buffer mechanism (54) is installed at the top end of the rectangular connecting rod (53), and the buffer mechanism (54) is in contact with the inner side wall of the trigger circular ring (24).
2. The auxiliary system for clearing the blockage of the wall rapping air hammer for the coal hopper as claimed in claim 1, wherein two sets of vertically symmetrical limiting grooves (61) are further formed in the inner side wall of the trigger ring (24), two sets of vertically symmetrical communication type switches (62) are fixedly mounted on the inner side wall of the trigger groove (6), and both sides of the trigger groove (6) in the horizontal direction are designed to be rounded off.
3. The silo wall rapping air hammer blockage removal auxiliary system for the coal hopper as recited in claim 1, wherein the vibration blockage removal mechanism (3) comprises a vibration plate (31), the vibration plate (31) is movably sleeved on the inner side wall of the coal hopper (1) through a groove which is formed in the inner side wall of the coal hopper (1) and is matched with the groove in size, a limiting spring (32) is fixedly installed between the coal hoppers (1) through the vibration plate (31), a rectangular plate (33) is fixedly installed on the vibration plate (31) through a fixing rod, and the rectangular plate (33) is attached to the inner side wall of the coal hopper (1).
4. The auxiliary system for the bunker wall rapping air hammer blockage removal for the coal bunker of claim 3, wherein the side surface of the vibrating plate (31) is designed with a triangular cone block bulge with an acute angle upward;
the sliding base (21) is designed to be inclined, and the rapping position of the rapping air hammer (22) and the rectangular plate (33) are in the same horizontal line.
5. The coal scuttle is beaten and is beaten clear stifled auxiliary system of air hammer with bulkhead according to claim 2, characterized in that buffer gear (54) includes rectangle frame (541), one side fixed mounting of rectangle frame (541) has two sets of spacing archs (542) of longitudinal symmetry, spacing protruding (542) activity cup joint in spacing recess (61) inboard, rectangle connecting rod (53) activity cup joint in the inboard of rectangle frame (541), and spring buffer rod (543) is installed to the top of rectangle connecting rod (53), the other end of spring buffer rod (543) is connected with electrically conductive copper billet (544).
6. The auxiliary system for the bunker wall rapping air hammer blockage removal for the coal bunker of claim 5, wherein the shape and the size of the conductive copper block (544) are matched with the trigger groove (6) and the communication type switch (62), and two ends of the conductive copper block (544) are designed to be round corners;
and the communication type switch (62), the sliding base (21), the driving switch (44) and the rapping air hammer (22) are electrically connected.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111397028.XA CN114313658B (en) | 2021-11-23 | 2021-11-23 | Bin wall vibrating air hammer blockage removal auxiliary system for coal hopper |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111397028.XA CN114313658B (en) | 2021-11-23 | 2021-11-23 | Bin wall vibrating air hammer blockage removal auxiliary system for coal hopper |
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| CN114313658A CN114313658A (en) | 2022-04-12 |
| CN114313658B true CN114313658B (en) | 2023-01-24 |
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| CN115321027A (en) * | 2022-07-08 | 2022-11-11 | 固莱(上海)环保设备有限公司 | Bin flow assisting device and bin structure |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US20070257062A1 (en) * | 2006-05-04 | 2007-11-08 | Richard Kraus | Gyrator feeder |
| CN102390633A (en) * | 2011-10-27 | 2012-03-28 | 中冶北方工程技术有限公司 | Constant-flow feeding device |
| CN205240523U (en) * | 2015-12-16 | 2016-05-18 | 福建省三角洲陶粒科技有限公司 | Elevator |
| CN206307525U (en) * | 2016-12-16 | 2017-07-07 | 福建省联盛纸业有限责任公司 | A kind of stokehold coal bunker blocking prevention device |
| CN108249058B (en) * | 2018-01-16 | 2019-05-10 | 实联化工(江苏)有限公司 | A kind of vibratory feed unit can be avoided blocking |
| CN207943399U (en) * | 2018-03-04 | 2018-10-09 | 刘丽娜 | A kind of anti-blocking lower hopper |
| CN212075128U (en) * | 2019-12-31 | 2020-12-04 | 大唐贵州发耳发电有限公司 | Raw coal bunker anti-blocking structure |
| CN211544619U (en) * | 2020-01-16 | 2020-09-22 | 江西省欧陶科技有限公司 | Arch breaking device of feeding machine |
| CN212651778U (en) * | 2020-04-24 | 2021-03-05 | 上海宝龙安庆药业有限公司 | Wet granulator |
| CN212607086U (en) * | 2020-06-03 | 2021-02-26 | 安徽美欣制药有限公司 | Tablet processing equipment |
| CN213567728U (en) * | 2020-07-23 | 2021-06-29 | 湖南省湘衡盐化有限责任公司 | Mother liquor collecting vessel who possesses liquid level transfinite and overflow control |
| CN214002801U (en) * | 2020-10-22 | 2021-08-20 | 浙江青蓝化纤有限公司 | Anti-blocking polyester staple fiber processing blanking device |
| CN214002803U (en) * | 2020-11-18 | 2021-08-20 | 广州环投福山环保能源有限公司 | Device for preventing ash blockage of ash conveying machine of garbage power plant |
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