CN117167763B - Automatic pulverized coal feeding device for boiler - Google Patents
Automatic pulverized coal feeding device for boiler Download PDFInfo
- Publication number
- CN117167763B CN117167763B CN202311135400.9A CN202311135400A CN117167763B CN 117167763 B CN117167763 B CN 117167763B CN 202311135400 A CN202311135400 A CN 202311135400A CN 117167763 B CN117167763 B CN 117167763B
- Authority
- CN
- China
- Prior art keywords
- feeding
- hopper
- charging hopper
- driving
- charging
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 239000003245 coal Substances 0.000 title claims abstract description 64
- 230000007246 mechanism Effects 0.000 claims abstract description 45
- 230000001681 protective effect Effects 0.000 claims description 22
- 230000000903 blocking effect Effects 0.000 claims description 13
- 238000007599 discharging Methods 0.000 claims description 13
- 230000000670 limiting effect Effects 0.000 claims description 13
- 239000000843 powder Substances 0.000 claims description 10
- 230000005540 biological transmission Effects 0.000 claims description 8
- 230000007306 turnover Effects 0.000 claims description 8
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 239000006052 feed supplement Substances 0.000 abstract description 13
- 238000002485 combustion reaction Methods 0.000 abstract description 11
- 230000002829 reductive effect Effects 0.000 abstract description 10
- 230000002349 favourable effect Effects 0.000 abstract description 8
- 239000000463 material Substances 0.000 abstract description 2
- 239000002817 coal dust Substances 0.000 description 33
- 230000009471 action Effects 0.000 description 9
- 238000003860 storage Methods 0.000 description 8
- 230000001502 supplementing effect Effects 0.000 description 8
- 230000001360 synchronised effect Effects 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 230000006978 adaptation Effects 0.000 description 4
- 230000008859 change Effects 0.000 description 4
- 239000000428 dust Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 238000001125 extrusion Methods 0.000 description 3
- 239000000446 fuel Substances 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012840 feeding operation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000036961 partial effect Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 230000007480 spreading Effects 0.000 description 1
- 238000003892 spreading Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Landscapes
- Filling Or Emptying Of Bunkers, Hoppers, And Tanks (AREA)
Abstract
The invention discloses an automatic pulverized coal feeding device for a boiler, which relates to the field of automatic pulverized coal feeding devices for boilers, and is characterized in that the technical scheme comprises the following steps: the pulverized coal feeding device comprises a base, a feeding mechanism and a charging mechanism, wherein a supporting frame is fixedly arranged at the top of the base, the feeding mechanism is arranged on the supporting frame, and the feeding mechanism is used for conveying pulverized coal into a boiler at regular time. A buggy automatic feeding device for boiler through setting up this charging mechanism, mainly used adds buggy to feeding mechanism in to make feeding mechanism can add buggy to the combustion chamber of boiler in the timing, wherein, through setting up the charging hopper that can overturn, and drive the charging hopper through drive unit and overturn, make the charging hopper possess two kinds of states of use of material loading and feed supplement, drive the charging hopper upset to the minimum position when the feed supplement, shortened the delivery path of buggy, reduced the feed supplement height, thereby be favorable to reducing the operation degree of difficulty of feed supplement.
Description
Technical Field
The invention relates to the technical field of feeding devices, in particular to an automatic pulverized coal feeding device for a boiler.
Background
In a boiler using fuel combustion as a heating system, it is necessary to continuously add fuel into a combustion chamber of the boiler during normal combustion heating thereof to maintain the boiler in a continuously heated state.
At present, most common fuel is coal dust, and the coal dust is generally manually added into a combustion chamber of a boiler, however, for a boiler with a larger volume, because the amount of the coal dust required to be added at a time is larger and the position of a feeding hole is better, an automatic feeding device is used for completing coal dust adding operation, while a traditional automatic coal dust feeding device generally comprises a storage bin and a feeding mechanism, when the automatic coal dust feeding device is used, a large amount of coal dust is stored in the storage bin, the coal dust is discharged by opening the storage bin, and then the coal dust discharged by the storage bin is conveyed into the combustion chamber of the boiler by the feeding mechanism.
However, when the traditional automatic pulverized coal feeding device is used, certain defects still exist, such as when pulverized coal in a storage bin is about to be used up and needs to be replenished, a large amount of pulverized coal needs to be conveyed to a higher position when replenishing due to the fact that the position of a feeding hole of the storage bin is higher than that of the storage bin and is in a fixed mode, the difficulty is high, the moving path of the pulverized coal is long, the pulverized coal replenishing time is prolonged, and the dust generated when the pulverized coal falls from the higher position is large, so that the automatic pulverized coal feeding device which is convenient for replenishing the pulverized coal and has small dust emission is needed.
Disclosure of Invention
Aiming at the defects existing in the prior art, the invention aims to provide an automatic pulverized coal feeding device for a boiler.
In order to achieve the above object, the present invention provides the following technical solutions, including: the feeding mechanism is arranged on the supporting frame, the feeding mechanism is used for conveying pulverized coal into a boiler at regular time, the feeding mechanism is used for supplementing pulverized coal into the feeding mechanism, the feeding mechanism comprises a charging hopper, a driving part, a valve part and a plugging part, the charging hopper is used for storing pulverized coal, a charging port and a discharging port are respectively arranged on the charging hopper, the driving part is used for driving the charging hopper to turn over, the valve part is used for controlling the opening and closing of the discharging port, and the plugging part is used for plugging the charging port;
When pulverized coal is required to be supplemented into the charging hopper, the discharging opening is controlled to be closed through the valve component, the charging hopper is driven to be turned to a state close to the base through the driving component, the blocking component is synchronously driven to be opened, the charging hopper is finally enabled to rotate to the lowest position, the feeding opening is synchronously kept to be opened, and after the charging hopper is supplemented, the charging hopper is driven to be turned to be connected with the feeding mechanism through the driving component.
Preferably, the feeding mechanism comprises a feeding barrel, the feeding barrel is fixedly arranged at the upper end of the base, a feeding dragon is rotatably arranged in the feeding barrel, a rotating motor is fixedly arranged at the end part of the feeding barrel, the output end of the rotating motor rotates to penetrate through the feeding barrel and is fixedly connected with the rotating end of the feeding dragon, a feeding hopper is fixedly arranged at one end, close to the base, of the feeding barrel, and a discharging port is formed in one end, far away from the base, of the feeding barrel.
Preferably, the driving part comprises two driving motors and two connecting swing arms, the two driving motors are symmetrically and fixedly installed on two sides of the supporting frame, the two connecting swing arms are symmetrically and fixedly installed on two sides of the charging hopper, one end of each connecting swing arm, which is far away from the charging hopper, is rotationally connected with one side of the supporting frame, a driving gear is fixedly installed at the output end of each driving motor, a driven gear is fixedly installed at one end, which is rotationally connected with the supporting frame, of each connecting swing arm, and the driving gear is meshed with the driven gear.
Preferably, the valve component comprises an electric push rod and a movable baffle, the electric push rod is fixedly arranged at one end, close to the discharge opening, inside the charging hopper, the movable baffle is slidably arranged in the charging hopper, one side of the movable baffle is fixedly connected with the telescopic end of the electric push rod, and when the charging hopper is driven to turn over by the driving component, the movable baffle is driven by the electric push rod to seal the discharge opening.
Preferably, the plugging part is arranged on the charging hopper, the plugging part comprises a plugging plate, two connecting gears and two driving gears, the plugging plate is slidably arranged on one side of the charging hopper, which is close to the charging port, the connecting gears are rotatably arranged on the corresponding positions of the supporting frame and the rotating gears, the connecting gears are meshed with the driving gears, the driving gears are rotatably arranged on one ends of the connecting swing arms, which are close to the charging hopper, of the connecting gears, belt wheels are fixedly arranged on one sides of the driving gears, the two belt wheels are connected through transmission belts, and movable racks are fixedly arranged at two ends of the plugging plate, which correspond to the two driving gears, and are meshed with the driving gears.
Preferably, one side of shutoff board is provided with the mediation subassembly, the mediation subassembly includes the connecting rod, connecting rod fixed mounting is in the shutoff board is close to one side of feed inlet, the connecting rod is kept away from the one end of shutoff board extends to the inboard of charging hopper, the connecting rod extends to the inboard one end screw thread of charging hopper is installed the mediation piece, the mediation piece includes mediation pole and a plurality of contact lever, a plurality of contact lever evenly distributed is in the outside of mediation pole.
Preferably, the protection component used for protecting the port of the feeding hopper is arranged on the feeding hopper, the protection component comprises a protection baffle and a limiting rod, the protection baffle is slidably mounted at the port position of the feeding hopper, the limiting rod is fixedly mounted at one side, close to the discharging port, of the feeding hopper, one side of the protection baffle is slidably connected with the outer side of the limiting rod, a supporting spring is sleeved at the outer side of the limiting rod, and the end part of the supporting spring is in contact with the protection baffle.
Preferably, a rotating piece is rotatably installed between the inner side walls of the feeding hopper, two rotating ends of the rotating piece rotate and penetrate through the feeding hopper and then are fixedly provided with following gears, the two ends, close to the two following gears, of the protective baffle are fixedly provided with sliding racks, and the sliding racks are meshed with the following gears.
Compared with the prior art, the invention has the following beneficial effects:
(1) The feeding mechanism is mainly used for adding coal dust into the feeding mechanism, so that the feeding mechanism can add the coal dust into a combustion chamber of a boiler at regular time, wherein the feeding mechanism is provided with the turnover feeding hopper, and the feeding hopper is driven to turn over through the driving part, so that the feeding hopper is provided with two using states of feeding and feeding, and the feeding hopper is driven to turn over to the lowest position during feeding, so that the conveying path of the coal dust is shortened, the feeding height is reduced, the operation difficulty of feeding is reduced, the time required by feeding is shortened, the aim of improving the working efficiency of feeding is fulfilled, meanwhile, the position of the feeding hopper is reduced, the height difference of coal dust falling is reduced, and the problem of dust raising generated during coal dust falling is further facilitated to be reduced;
(2) Through setting up this plugging member, can use with the cooperation of drive element linkage, can be when the upset of drive element drive charging hopper, synchronous drive plugging member activity, in order to realize the synchronous adaptation of charging hopper and feed inlet state and change, when the charging hopper upset to the feed supplement state, plugging member is opened in step, and then be favorable to directly supplementing buggy in the charging hopper, and when the charging hopper upset to the feed state, plugging member is closed in step, be favorable to avoiding buggy from the problem of flowing out in the charging hopper, need not to set up control mechanism alone and control plugging member's opening and closing, the connectivity that has strengthened plugging member and charging hopper state change, it is more convenient when the state switches over to make the charging hopper.
Drawings
FIG. 1 is a schematic structural view of an automatic pulverized coal feeding device for a boiler according to the present invention;
FIG. 2 is a sectional view of an automatic pulverized coal feeding device for a boiler according to the present invention;
FIG. 3 is an enlarged partial schematic view of region A shown in FIG. 2;
FIG. 4 is a partially enlarged schematic illustration of region B shown in FIG. 2;
FIG. 5 is a schematic structural view of a feeding mechanism in an automatic pulverized coal feeding device for a boiler according to the present invention;
FIG. 6 is a schematic structural view between a loading mechanism and a supporting frame of an automatic pulverized coal loading device for a boiler;
Fig. 7 is a schematic structural view of a plugging member in an automatic pulverized coal feeding device for a boiler.
1. A base; 2. a support frame; 3. a feeding mechanism; 31. a feeding cylinder; 32. feeding dragon; 33. a rotating motor; 34. a feed hopper; 35. a discharge port; 36. a protective member; 361. a protective baffle; 362. a limit rod; 363. a support spring; 364. a rotating member; 365. a follower gear; 366. sliding racks; 4. a charging mechanism; 41. a charging hopper; 42. a driving part; 421. a driving motor; 422. connecting a swing arm; 423. a drive gear; 424. a driven gear; 43. a valve member; 431. an electric push rod; 432. a movable baffle; 44. a feeding port; 45. a discharge port; 46. a blocking member; 461. a plugging plate; 462. a connecting gear; 463. driving a gear; 464. a belt wheel; 465. a transmission belt; 466. moving the rack; 467. a dredging assembly; 4671. a connecting rod; 4672. and (5) dredging the piece.
Detailed Description
The following description is presented to enable one of ordinary skill in the art to make and use the invention. The preferred embodiments in the following description are by way of example only and other obvious variations will occur to those skilled in the art.
An embodiment of an automatic pulverized coal feeding device for a boiler according to the present invention will be further described with reference to fig. 1 to 7.
In order to solve the problem of high operation difficulty and long time when supplementing pulverized coal into a storage bin, the invention provides an automatic pulverized coal feeding device for a boiler, which is used for solving the problem and specifically comprises the following steps: the coal powder feeding device comprises a base 1, a feeding mechanism 3 and a charging mechanism 4, wherein a supporting frame 2 is fixedly arranged at the top of the base 1, the feeding mechanism 3 is arranged on the supporting frame 2, the feeding mechanism 3 is used for conveying coal powder into a boiler at fixed time, the charging mechanism 4 is used for supplementing the coal powder into the feeding mechanism 3, the charging mechanism 4 comprises a charging hopper 41, a driving part 42, a valve part 43 and a blocking part 46, the charging hopper 41 is used for storing the coal powder, a charging port 44 and a discharging port 45 are respectively arranged on the charging hopper 41, the driving part 42 is used for driving the charging hopper 41 to turn over, and the valve part 43 is used for blocking the discharging port 45;
When the automatic pulverized coal feeding device is used, if pulverized coal in the charging hopper 41 is about to be used, at the moment, a gap for adding pulverized coal into a boiler is not needed, pulverized coal is started to be supplemented into the charging hopper 41, firstly, the charging port 45 is controlled to be closed through the valve component 43, then the driving component 42 is controlled to drive the charging hopper 41 to slowly overturn downwards, the charging hopper 41 gradually rotates to be close to the base 1 and finally contacts with the base 1, at the moment, the charging hopper 41 moves to the lowest position state from the high position state, the charging port 44 is just upwards, then pulverized coal can be supplemented into the charging hopper 41 through external pulverized coal supplementing equipment, after pulverized coal supplementing is finished, the charging hopper 41 is upwards overturned through the driving component 42, the blocking component 46 is synchronously driven to be moved to the closed state, so that the charging port 44 is blocked, pulverized coal is prevented from flowing out from the charging port 44 in the overturning process, finally, the charging port 45 of the charging hopper 41 is enabled to rotate to be connected with the feeding mechanism 3, at the moment, the valve component 43 is opened again, so that the pulverized coal in the charging hopper 41 can enter the charging hopper 3, and the charging mechanism 41 is enabled to enter into the feeding mechanism 3, and the pulverized coal supplementing operation is completed;
Through setting up this charging mechanism 4, mainly used adds the buggy to feeding mechanism 3, so that feeding mechanism 3 can add the buggy to the combustion chamber of boiler in the timing, wherein, through setting up the charging hopper 41 that can overturn, and drive charging hopper 41 through drive part 42 overturns, make charging hopper 41 possess two kinds of service conditions of material loading and feed supplement, drive charging hopper 41 upset to the minimum position when the feed supplement, shortened the delivery path of buggy, reduced the feed supplement height, thereby be favorable to reducing the operation degree of difficulty of feed supplement, and shorten the required time of feed supplement, in order to reach the purpose that improves feed supplement work efficiency, simultaneously, the position of charging hopper 41 reduces, also reduced the altitude difference of buggy whereabouts, and then be favorable to alleviateing the problem that produces the raise dust when the buggy whereabouts.
As an embodiment of the present invention, in order to realize the function of delivering pulverized coal into the combustion chamber of the boiler, the present invention designs a feeding mechanism 3, specifically: the feeding mechanism 3 comprises a feeding barrel 31, the feeding barrel 31 is fixedly arranged at the upper end of the base 1, a feeding dragon 32 is rotatably arranged in the feeding barrel 31, a rotating motor 33 is fixedly arranged at the end part of the feeding barrel 31, the output end of the rotating motor 33 penetrates through the feeding barrel 31 in a rotating mode and is fixedly connected with the rotating end of the feeding dragon 32, a feeding hopper 34 is fixedly arranged at one end, close to the base 1, of the feeding barrel 31, and a discharging hole 35 is formed in one end, far away from the base 1, of the feeding barrel 31;
When the feeding mechanism 3 is used, namely, pulverized coal is required to be added into a combustion chamber of a boiler, the pulverized coal is discharged through a discharge port 45 of a charging hopper 41 and finally falls into a feeding barrel 31 through a feed hopper 34, at the moment, a feeding dragon 32 can be synchronously driven to rotate in the feeding barrel 31 through rotation of a rotating motor 33, the pulverized coal can be driven to gradually move upwards along the feeding barrel 31 through rotation of the feeding dragon 32, and finally, the pulverized coal is moved to a position of a discharge port 35 and falls into the boiler combustion chamber below through the discharge port 35, so that feeding operation is completed.
As an embodiment of the present invention, in order to realize the turning function of driving the charging hopper 41, the present invention designs the driving part 42, specifically: the driving component 42 comprises two driving motors 421 and two connecting swing arms 422, the two driving motors 421 are symmetrically and fixedly arranged on two sides of the support frame 2, the two driving motors 421 are controlled by the same controller to keep synchronous rotation of the two driving motors, the two connecting swing arms 422 are symmetrically and fixedly arranged on two sides of the mounting hopper 41, one end of the connecting swing arm 422 away from the mounting hopper 41 is rotationally connected with one side of the support frame 2, a driving gear 423 is fixedly arranged at the output end of the driving motor 421, a driven gear 424 is fixedly arranged at one end of the connecting swing arm 422 rotationally connected with the support frame 2, the driving gear 423 is meshed with the driven gear 424, and the radius of the driving gear 423 is smaller than that of the driven gear 424, so that a rotating speed difference is formed between the driving gear 423 and the driving gear 424, and the purpose of reducing the rotating speed of the connecting swing arm 422 is achieved;
When the driving component 42 is used, the two driving gears 423 can respectively drive the two driven gears 424 to rotate through the simultaneous rotation of the two driving motors 421, the two connecting swing arms 422 synchronously follow the two driven gears 424 to rotate on the supporting frame 2, the charging hopper 41 can be turned slowly until reaching a designated position, the driving motors 421 stop rotating, and the charging hopper 41 is kept still, and the driving component 42 can form a rotating speed difference by the conventional meshing effect between the driving gears 423 and the driven gears 424 with different sizes, so that the turning speed of the charging hopper 41 can be slowed down, the stability of the charging hopper 41 during turning can be maintained, and the stability of the charging hopper 41 during the rest can be improved under the meshing effect of the driving gears 423 and the driven gears 424.
As an embodiment of the present invention, in order to implement the automatic opening and closing function of the automatic control discharge port 45, the present invention designs the valve member 43, specifically: the valve part 43 comprises an electric push rod 431 and a movable baffle 432, wherein the electric push rod is fixedly arranged at one end, close to the discharge opening 45, inside the mounting hopper 41, the movable baffle 432 is slidably arranged inside the mounting hopper 41, one side of the movable baffle 432 is fixedly connected with the telescopic end of the electric push rod 431, and when the driving part 42 drives the mounting hopper 41 to turn over, the movable baffle 432 can be driven to move inside the mounting hopper 41 through the telescopic action of the electric push rod 431, so that the opening and closing functions of the discharge opening 45 are completed.
As an embodiment of the present invention, in order to avoid the problem of pulverized coal waste caused by the pulverized coal flowing out from the feed opening 44 during the overturning process of the charging hopper 41, the present invention designs the plugging member 46 to plug the feed opening 44, specifically: the plugging member 46 is arranged on the charging hopper 41, the plugging member 46 comprises a plugging plate 461, two connecting gears 462 and two driving gears 463, the plugging plate 461 is slidably arranged on one side of the charging hopper 41 close to the charging port 44, the connecting gears 462 are rotatably arranged at positions corresponding to the rotating gears of the supporting frame 2, the connecting gears 462 are meshed with the driving gears 463, the driving gears 463 are rotatably arranged at one end of the connecting swing arm 422 close to the charging hopper 41, belt wheels 464 are fixedly arranged on one sides of the connecting gears 462 and the driving gears 463, the two belt wheels 464 are in transmission connection through a transmission belt 465, movable racks 466 are fixedly arranged at two ends of the plugging plate 461 corresponding to the two driving gears 463, and the movable racks 466 are meshed with the driving gears 463;
When the plugging member 46 is used, if the charging hopper 41 is switched from the charging state to the feeding state, the driving gear 423 is driven by the driving motor 421 to rotate, so that the rotating gear can synchronously rotate along with the driving gear 423, and the two pulleys 464 rotate together under the transmission action of the transmission belt 465, finally the driving gear 463 can rotate, and the driving gear 463 can rotate to drive the movable rack 466 to horizontally move, finally the plugging plate 461 moves, so that the plugging plate is gradually far away from the charging port 44, and because the radius of the rotating gear is similar to that of the driving gear 423, the moving speed of the movable rack 466 driving the plugging plate 461 is faster than the overturning speed of the charging hopper 41, and therefore, before the charging hopper 41 rotates to the lowest position, the plugging plate 461 can reach the maximum moving position, and at the moment, the charging port 44 is completely opened, and when the charging hopper 41 continues overturning, the driving gear 463 is just separated from the movable rack 466, so that the plugging plate 461 does not continue to move, and the overturning action of the charging hopper 41 is not blocked, and when the charging hopper 41 rotates to the charging hopper 41, the plugging plate 461 can move to the full-off position when the charging hopper 41 rotates to the full-cut off angle, and the coal dust can be completely turned to the full-off state when the charging hopper 41 is completely turned to the full-off state;
Through setting up this plugging member 46, can use with the linkage cooperation of drive member 42, can be when the upset of drive member 42 drive charging hopper 41, synchronous drive plugging member 46 activity, in order to realize the synchronous adaptation change of charging hopper 41 and feed inlet 44 state, when charging hopper 41 upset to the feed supplement state, plugging member 46 is opened in step, and then be favorable to directly supplementing the buggy in charging hopper 41, and when charging hopper 41 upset to the feed supplement state, plugging member 46 is closed in step, be favorable to avoiding the problem that buggy flows out from charging hopper 41, need not to set up opening and closing of control mechanism control plugging member 46 alone, the connectivity that has strengthened plugging member 46 and charging hopper 41 state change has been strengthened, make charging hopper 41 more convenient when the state switches over.
As an embodiment of the present invention, in the above-mentioned scheme, when the charging hopper 41 is in the charging state, the pulverized coal in the charging hopper 41 is accumulated, and because the charging hopper 41 is in the charging state and is kept stationary for a long time, the pulverized coal in the charging hopper may become more compact due to long-time extrusion, so that the pulverized coal is difficult to be rapidly discharged, and the dredging assembly 467 is designed to solve the problem, specifically: one side of the plugging plate 461 is provided with a dredging component 467, the dredging component 467 comprises a connecting rod 4671, the connecting rod 4671 is fixedly arranged on one side of the plugging plate 461 close to the feeding hole 44, one end of the connecting rod 4671, which is far away from the plugging plate 461, extends to the inner side of the charging hopper 41, one end of the connecting rod 4671, which extends to the inner side of the charging hopper 41, is provided with a dredging piece 4672 in a threaded manner, the dredging piece 4672 comprises a dredging rod and three contact rods, the three contact rods are uniformly distributed on the outer side of the dredging rod, the ends of the dredging rod and the contact rods are respectively provided with a tip end, so that the coal powder can pass through, friction force between the coal powder and the dredging rod can be reduced, the contact area between the dredging rod and the coal powder can be increased, and the coal powder can be driven to move more;
When the dredging assembly 467 is used, the charging hopper 41 is in a charging state, and coal dust is added into the feeding barrel 31, at the moment, the driving motor 421 needs to be controlled to rotate repeatedly in the forward and reverse directions by a small extent, so that the charging hopper 41 can swing reciprocally, the blocking plate 461 slides on the charging hopper 41 synchronously along with the charging hopper 41, at the moment, the connecting rod 4671 and the dredging piece 4672 move in the charging hopper 41 along with the blocking plate 461, and at the moment, the coal dust is filled in the charging hopper 41, and is contacted with the connecting rod 4671 and the dredging piece 4672, so that part of the coal dust can be driven to move together, the coal dust can be loosened, and the coal dust can be promoted to flow together by being matched with the integral swinging action of the charging hopper 41, so that the outward outflow speed of the coal dust can be accelerated finally;
The dredging component 467 is arranged on the blocking plate 461 and is mainly used for automatically dredging blocked coal dust when the charging hopper 41 conveys coal dust to the feeding barrel 31, the matching linkage action between the driving component 42 and the blocking component 46 is further utilized, so that the feeding hopper 34 is in a rapid feeding state, the charging hopper 41 is repeatedly driven to move by a small extent through the driving component 42, the connecting rod 4671 and the dredging component 4672 can also synchronously reciprocate to dredge the coal dust, the purpose of promoting the coal dust to flow out rapidly is achieved, and the problem that the coal dust is difficult to discharge due to blockage is avoided;
Meanwhile, when the dredging component 467 rotates to a feeding state from a feeding state in the charging hopper 41, the movable action of the connecting rod 4671 and the dredging piece 4672 in the charging hopper 41 can play a certain role in spreading coal dust in the charging hopper 41, so that the problem that the coal dust is accumulated too high in the charging hopper 41 and easily flows out in the overturning process is solved.
As an embodiment of the present invention, when the feeding device is stopped or the charging hopper 41 is in the feeding state, the charging hopper 41 is in the lowest state, and at this time, the charging hopper 41 is separated from the feeding hopper 34, so that the feeding hopper 34 is in the open state, and external impurities may enter the feeding cylinder 31 from the feeding hopper 34, so that the problem is solved by providing protection, specifically: the feeder hopper 34 is provided with a protective part 36 for protecting the port of the feeder hopper 34, the protective part 36 comprises a protective baffle 361 and a limiting rod 362, the protective baffle 361 is slidably arranged at the port position of the feeder hopper 34, the limiting rod 362 is fixedly arranged at one side of the feeder hopper 34 close to the discharge port 35, one side of the protective baffle 361 is slidably connected with the outer side of the limiting rod 362, a supporting spring 363 is sleeved at the outer side of the limiting rod 362, and the end part of the supporting spring 363 is in contact with the protective baffle 361;
When the protective component 36 is used, the protective baffle 361 just seals the port of the feed hopper 34 when the feed hopper 41 is separated from the feed hopper 34, and when the feed hopper 41 is turned over to be connected with the feed hopper 34, the outer side of the feed hopper 41 is firstly contacted with the end of the protective baffle 361 and presses the protective baffle 361 to move, so that the protective baffle 361 is gradually far away from the port of the feed hopper 34, and presses the supporting spring 363 until the feed hopper 41 is completely connected with the feed hopper 34, so that the protective baffle 361 is pressed to be completely separated from the port of the feed hopper 34, and when the feed hopper 41 is turned again to be separated from the feed hopper 34, the protective plate can be driven to synchronously move by the elasticity of the supporting spring 363 along with the gradual separation of the feed hopper 41 from the feed hopper 34, so that the port of the feed hopper 34 is gradually sealed until the feed hopper 41 is completely separated from the feed hopper 34, and the port of the feed hopper 34 is completely sealed;
through setting up this guard element 36, mainly used carries out shutoff protection to the port of feeder hopper 34, wherein, through setting up guard flap 361, supporting spring 363 and gag lever post 362 cooperation use, utilize the extrusion effect to guard flap 361 production when charging hopper 41 and feeder hopper 34 switch connected state, can realize guard flap 361 synchronous automatic adaptation and open and close the function, not only can be opened when charging hopper 41 is connected with feeder hopper 34, can be closed when charging hopper 41 and feeder hopper 34 separation again automatically, better plays the guard action to feeder hopper 34, be favorable to avoiding external impurity to enter into in the feeding cylinder 31.
As an embodiment of the present invention, when the pulverized coal enters the feed hopper 34, if the amount of the pulverized coal entering is large, the feed hopper 34 may be blocked, so in order to solve the problem, the protection member proposed in the above scheme is further optimized, specifically: a rotating piece 364 is rotatably arranged between the inner side walls of the feeding hopper 34, ribs are uniformly distributed on the outer side of the rotating piece 364, two rotating ends of the rotating piece 364 are fixedly arranged after penetrating through the feeding hopper 34 in a rotating mode, sliding racks 366 are fixedly arranged at two ends, close to the two following gears 365, of the protective baffle 361, and the sliding racks 366 are meshed with the following gears 365;
In the process of carrying out quick feeding by controlling the reciprocating swing of the charging hopper 41, the protective baffle 361 is simultaneously subjected to the reciprocating extrusion action, the sliding rack 366 moves back and forth along with the protective baffle 361, the following gear 365 starts to slide along with the sliding rack 366 and rotate back and forth, the rotating piece 364 can be driven to rotate back and forth in the feeding hopper 34 finally, the rotating piece 364 rotates to stir coal dust, the coal dust is promoted to flow in the feeding hopper 34, thereby dredging is achieved, the dredging structure inside the feeding hopper 34 is formed by arranging the rotating piece 364, the following gear 365 and the sliding rack 366 to be used in a matched manner, the dredging structure is used in linkage with the protective part 36, the swinging power of the charging hopper 41 is further utilized, the protective part 36 can synchronously drive the rotating piece 364 to rotate, the dredging action on the coal dust is achieved, the coal dust is prevented from being blocked in the feeding hopper 34, the influence of the coal dust flow on the feeding speed can be reduced.
In the description of the present invention, it should be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the present invention and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present invention.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining a "second" may explicitly or implicitly include one or more such feature. In the description of the present invention, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above examples, and all technical solutions belonging to the concept of the present invention belong to the protection scope of the present invention. It should be noted that modifications and adaptations to the present invention may occur to one skilled in the art without departing from the principles of the present invention and are intended to be within the scope of the present invention.
Claims (4)
1. A buggy automatic feeding device for boiler includes: the coal powder feeding device is characterized in that the charging mechanism (4) comprises a charging hopper (41), a driving part (42), a valve part (43) and a blocking part (46), the charging hopper (41) is used for storing coal powder, a feeding port (44) and a discharging port (45) are respectively arranged on the charging hopper (41), the driving part (42) is used for driving the charging hopper (41) to turn over, the valve part (43) is used for controlling the opening and closing of the discharging port (45), and the blocking part (46) is used for blocking the feeding port (44);
When pulverized coal is required to be supplemented into the charging hopper (41), the valve component (43) is used for controlling the discharging opening (45) to be closed, the driving component (42) is used for driving the charging hopper (41) to be turned to a state close to the base (1) and synchronously driving the blocking component (46) to be opened, finally, the charging hopper (41) is enabled to rotate to the lowest position, the feeding opening (44) is kept to be opened synchronously, and after the charging hopper (41) is supplemented, the driving component (42) is used for driving the charging hopper (41) to be turned to be connected with the feeding mechanism (3);
The valve component (43) comprises an electric push rod (431) and a movable baffle (432), the electric push rod (431) is fixedly arranged at one end, close to the discharge opening (45), inside the charging hopper (41), the movable baffle (432) is slidably arranged in the charging hopper (41), one side of the movable baffle (432) is fixedly connected with the telescopic end of the electric push rod (431), and when the driving component (42) drives the charging hopper (41) to overturn, the electric push rod (431) drives the movable baffle (432) to seal the discharge opening (45);
The driving component (42) comprises two driving motors (421) and two connecting swing arms (422), the two driving motors (421) are symmetrically and fixedly arranged on two sides of the supporting frame (2), the two connecting swing arms (422) are symmetrically and fixedly arranged on two sides of the charging hopper (41), one end, away from the charging hopper (41), of the connecting swing arms (422) is rotationally connected with one side of the supporting frame (2), a driving gear (423) is fixedly arranged at the output end of the driving motor (421), a driven gear (424) is fixedly arranged at one end, rotationally connected with the supporting frame (2), of the connecting swing arms (422), and the driving gear (423) is meshed with the driven gear (424);
The plugging part (46) is arranged on the charging hopper (41), the plugging part (46) comprises a plugging plate (461), two connecting gears (462) and two driving gears (463), the plugging plate (461) is slidably arranged on one side, close to the charging port (44), of the charging hopper (41), the connecting gears (462) are rotatably arranged at positions, corresponding to the rotating gears, of the supporting frame (2), the connecting gears (462) are meshed with the driving gears (463), the driving gears (463) are rotatably arranged at one ends, close to the charging hopper (41), of the connecting swing arms (422), belt wheels (464) are fixedly arranged on one sides of the connecting gears (462) and the driving gears (463), the two belt wheels (464) are in transmission connection through a transmission belt (465), movable racks (466) are fixedly arranged at two corresponding ends of the plugging plate (461) and the two driving gears (463), and the movable racks (466) are meshed with the driving gears (463);
One side of shutoff board (461) is provided with mediation subassembly (467), mediation subassembly (467) include connecting rod (4671), connecting rod (4671) fixed mounting is in shutoff board (461) are close to one side of feed inlet (44), connecting rod (4671) keep away from one end of shutoff board (461) extends to the inboard of hopper (41), connecting rod (4671) extend to one end screw thread of the inboard of hopper (41) is installed mediation piece (4672), mediation piece (4672) include mediation pole and a plurality of contact pole, a plurality of contact pole evenly distributed is in the outside of mediation pole.
2. The automatic pulverized coal feeding device for a boiler according to claim 1, wherein the feeding mechanism (3) comprises a feeding barrel (31), the feeding barrel (31) is fixedly installed at the upper end of the base (1), a feeding auger (32) is rotatably installed inside the feeding barrel (31), a rotating motor (33) is fixedly installed at the end part of the feeding barrel (31), the output end of the rotating motor (33) penetrates through the feeding barrel (31) in a rotating mode and is fixedly connected with the rotating end of the feeding auger (32), a feeding hopper (34) is fixedly installed at one end, close to the base (1), of the feeding barrel (31), and a discharging port (35) is formed in one end, far away from the base (1), of the feeding barrel (31).
3. The pulverized coal automatic feeding device for a boiler according to claim 2, wherein a protection component (36) for protecting a port of the feeding hopper (34) is arranged on the feeding hopper (34), the protection component (36) comprises a protection baffle (361) and a limiting rod (362), the protection baffle (361) is slidably mounted at the port position of the feeding hopper (34), the limiting rod (362) is fixedly mounted at one side of the feeding hopper (34) close to the discharging port (35), one side of the protection baffle (361) is slidably connected with the outer side of the limiting rod (362), a supporting spring (363) is sleeved on the outer side of the limiting rod (362), and the end part of the supporting spring (363) is in contact with the protection baffle (361).
4. A pulverized coal automatic feeding device for a boiler according to claim 3, wherein a rotating member (364) is rotatably mounted between inner side walls of the feeding hopper (34), two rotating ends of the rotating member (364) fixedly mounted with following gears (365) after penetrating through the feeding hopper (34), sliding racks (366) are fixedly mounted at two ends of the protective baffle (361) close to the two following gears (365), and the sliding racks (366) are meshed with the following gears (365).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311135400.9A CN117167763B (en) | 2023-09-04 | 2023-09-04 | Automatic pulverized coal feeding device for boiler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311135400.9A CN117167763B (en) | 2023-09-04 | 2023-09-04 | Automatic pulverized coal feeding device for boiler |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN117167763A CN117167763A (en) | 2023-12-05 |
| CN117167763B true CN117167763B (en) | 2024-04-26 |
Family
ID=88946455
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311135400.9A Active CN117167763B (en) | 2023-09-04 | 2023-09-04 | Automatic pulverized coal feeding device for boiler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117167763B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201621964U (en) * | 2010-03-05 | 2010-11-03 | 武汉泛洲中越合金有限公司 | Charging mechanism of smelting furnace |
| CN209688878U (en) * | 2019-03-13 | 2019-11-26 | 寿光蓝擎环保科技有限公司 | A kind of high-efficiency stable burner |
| CN111878798A (en) * | 2020-08-13 | 2020-11-03 | 哈尔滨草田环保科技有限公司 | High-temperature low-nitrogen combustion biomass furnace |
| CN217875817U (en) * | 2022-03-12 | 2022-11-22 | 济宁市田农机械有限公司 | Biomass combustion device with uniform feeding |
| CN219120550U (en) * | 2023-01-10 | 2023-06-02 | 扬州太平洋新能源有限公司 | Automatic feeding biomass boiler |
-
2023
- 2023-09-04 CN CN202311135400.9A patent/CN117167763B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201621964U (en) * | 2010-03-05 | 2010-11-03 | 武汉泛洲中越合金有限公司 | Charging mechanism of smelting furnace |
| CN209688878U (en) * | 2019-03-13 | 2019-11-26 | 寿光蓝擎环保科技有限公司 | A kind of high-efficiency stable burner |
| CN111878798A (en) * | 2020-08-13 | 2020-11-03 | 哈尔滨草田环保科技有限公司 | High-temperature low-nitrogen combustion biomass furnace |
| CN217875817U (en) * | 2022-03-12 | 2022-11-22 | 济宁市田农机械有限公司 | Biomass combustion device with uniform feeding |
| CN219120550U (en) * | 2023-01-10 | 2023-06-02 | 扬州太平洋新能源有限公司 | Automatic feeding biomass boiler |
Also Published As
| Publication number | Publication date |
|---|---|
| CN117167763A (en) | 2023-12-05 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110711140A (en) | Medicine chest capable of putting medicine on time | |
| CN108671857A (en) | A kind of cosmetics feeding apparatus with proportioning device | |
| CN117167763B (en) | Automatic pulverized coal feeding device for boiler | |
| CA2529596A1 (en) | Utility car for maintenance of livestock | |
| CN210017627U (en) | Steamed stuffed bun machine | |
| CN208413277U (en) | A kind of bucket wheel of stacker-reclaimer | |
| CN113349141B (en) | Aquaculture feed feeding device and operation method | |
| CN210192675U (en) | A even unloader for insulating material production | |
| CN217625683U (en) | Automatic discharging device of dustpan | |
| CN213010565U (en) | Aluminum ingot automatic feeding equipment | |
| CN205075349U (en) | 3D printer granule volume of anticipating feed tank | |
| CN208590889U (en) | A kind of powder device of milky tea machine | |
| CN209995944U (en) | Steamed stuffed bun dishing system and steamed stuffed bun making machine | |
| CN209995973U (en) | Steaming system and steamed stuffed bun machine | |
| CN108750611B (en) | Material feeding assembly of capacitor code spraying equipment | |
| CN214824521U (en) | Pigment filling section of thick bamboo stock guide | |
| CN220484449U (en) | Raw material conveying mechanism for flour processing | |
| CN220331661U (en) | Internal mixer blanking lifting mechanism for PVC plastic raw material production | |
| CN217172241U (en) | Pipe arranging machine | |
| CN218024333U (en) | Heating furnace feeding mechanism | |
| CN219905942U (en) | Mobile bucket elevator capable of guaranteeing structural sealing | |
| CN221026020U (en) | Flexible vibration disk of vibration rubber cushion and flow guiding device | |
| CN219256280U (en) | Discharging mechanism of injection molding machine | |
| CN218753756U (en) | Pneumatic conveying device capable of continuously and automatically conveying materials in pressure mode | |
| CN114146593B (en) | Biological foodstuff blending device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |