CN117563709A - Coal cinder reducing mechanism of steam power plant - Google Patents
Coal cinder reducing mechanism of steam power plant Download PDFInfo
- Publication number
- CN117563709A CN117563709A CN202311713189.4A CN202311713189A CN117563709A CN 117563709 A CN117563709 A CN 117563709A CN 202311713189 A CN202311713189 A CN 202311713189A CN 117563709 A CN117563709 A CN 117563709A
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- Prior art keywords
- box
- crushing
- dust collection
- filter screen
- dust
- Prior art date
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- 230000007246 mechanism Effects 0.000 title claims abstract description 64
- 239000003818 cinder Substances 0.000 title claims abstract description 63
- 239000003245 coal Substances 0.000 title claims abstract description 46
- 239000000428 dust Substances 0.000 claims abstract description 140
- 238000012216 screening Methods 0.000 claims abstract description 11
- 238000000034 method Methods 0.000 claims abstract description 7
- 230000008569 process Effects 0.000 claims abstract description 7
- 238000007599 discharging Methods 0.000 claims description 7
- 230000000149 penetrating effect Effects 0.000 claims description 7
- 239000002893 slag Substances 0.000 claims description 6
- 239000002245 particle Substances 0.000 claims description 5
- 238000004140 cleaning Methods 0.000 claims description 3
- 239000002516 radical scavenger Substances 0.000 claims description 2
- 239000008187 granular material Substances 0.000 abstract description 6
- 230000000903 blocking effect Effects 0.000 abstract description 2
- 238000010298 pulverizing process Methods 0.000 description 12
- 230000000694 effects Effects 0.000 description 4
- 230000007704 transition Effects 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 229910000997 High-speed steel Inorganic materials 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000011449 brick Substances 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 239000002910 solid waste Substances 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C4/00—Crushing or disintegrating by roller mills
- B02C4/02—Crushing or disintegrating by roller mills with two or more rollers
- B02C4/08—Crushing or disintegrating by roller mills with two or more rollers with co-operating corrugated or toothed crushing-rollers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
- B02C23/08—Separating or sorting of material, associated with crushing or disintegrating
- B02C23/10—Separating or sorting of material, associated with crushing or disintegrating with separator arranged in discharge path of crushing or disintegrating zone
- B02C23/12—Separating or sorting of material, associated with crushing or disintegrating with separator arranged in discharge path of crushing or disintegrating zone with return of oversize material to crushing or disintegrating zone
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
- B02C23/18—Adding fluid, other than for crushing or disintegrating by fluid energy
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C4/00—Crushing or disintegrating by roller mills
- B02C4/28—Details
- B02C4/42—Driving mechanisms; Roller speed control
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/28—Moving screens not otherwise provided for, e.g. swinging, reciprocating, rocking, tilting or wobbling screens
- B07B1/34—Moving screens not otherwise provided for, e.g. swinging, reciprocating, rocking, tilting or wobbling screens jigging or moving to-and-fro perpendicularly or approximately perpendiculary to the plane of the screen
- B07B1/343—Moving screens not otherwise provided for, e.g. swinging, reciprocating, rocking, tilting or wobbling screens jigging or moving to-and-fro perpendicularly or approximately perpendiculary to the plane of the screen with mechanical drive elements other than electromagnets
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/42—Drive mechanisms, regulating or controlling devices, or balancing devices, specially adapted for screens
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C2201/00—Codes relating to disintegrating devices adapted for specific materials
- B02C2201/06—Codes relating to disintegrating devices adapted for specific materials for garbage, waste or sewage
Landscapes
- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Mechanical Engineering (AREA)
- Crushing And Grinding (AREA)
Abstract
The invention discloses a coal cinder smashing device for a thermal power plant, and particularly relates to the technical field of power line plugs, comprising a smashing box, wherein a smashing mechanism for smashing coal cinder is arranged at the top end inside the smashing box; the utility model discloses a coal cinder smashing device, including smashing case, dust collection box, conveying mechanism, container bottom and quantitative mechanism, the first filter screen of screening smashing the cinder is arranged in the middle of smashing case inside, smashing case inside top is equipped with the first filter screen of screening smashing the cinder after smashing, smashing case inside top is equipped with the dust collection mechanism that clears up the dust that produces in the cinder smashing process, the dust collection box top is equipped with the vibration mechanism that drives first filter screen and shake from top to bottom, smashing case one side of keeping away from the dust collection box is equipped with the conveying mechanism that carries big granule cinder, the container bottom is equipped with the quantitative mechanism that reminds people in time to empty the inside cinder of container. The invention not only can collect dust and avoid dust from polluting the surrounding environment and damaging the body of staff, but also can prevent cinder from blocking the first filter screen and improve screening efficiency.
Description
Technical Field
The invention relates to the technical field of material crushing, in particular to a coal cinder crushing device of a thermal power plant.
Background
The cinder is one kind of industrial solid waste, mainly from the cinder exhausted from coal burning in heat power plant, industrial and civil boiler and other equipment, and the cinder crusher is mainly used in cinder crushing equipment, and may be used as brick for internal combustion, additive, etc. and may be crushed for reuse.
For example, the utility model provides a waste coal cinder comminution device for power plant that provides in chinese patent application of application number 201820313301.3, which comprises an outer shell body, symmetrical fixed mounting has two sets of pneumatic cylinders on the lateral wall on the upper portion of shell body, the piston rod of pneumatic cylinder runs through the lateral wall of shell body, and stripper plate fixed mounting is on the piston rod of pneumatic cylinder, be provided with crushing tooth on the stripper plate, the output shaft of first motor runs through the lateral wall of shell body, and the upset board passes through round pin axle and bearing fixed mounting on the output shaft of first motor, fixed mounting has two sets of second motors on the lateral wall at the middle part of shell body, the output shaft of second motor passes through shaft coupling and roller transmission to be connected, be provided with crushing roller on the roller, be provided with hemispherical lug on the crushing roller, set up the filter screen on the lapping plate. The invention has good crushing effect, improves the crushing precision of the waste coal slag, can screen finer waste coal slag meeting the requirements, and has high screening rate and good screening effect.
However, the following problems still exist in this solution: dust is easy to generate in the process of crushing coal cinder, dust is not subjected to dust falling treatment in the device, the dust floats in the surrounding environment, the harm to the body of staff is easy to cause, and the environment is polluted.
Disclosure of Invention
The invention aims to provide a coal cinder smashing device for a thermal power plant, which not only can collect dust and avoid the dust from polluting the surrounding environment and damaging the body of staff, but also can prevent the coal cinder from blocking a first filter screen and improve the screening efficiency so as to solve the defects in the technology.
In order to achieve the above object, the present invention provides the following technical solutions: the coal cinder crushing device of the thermal power plant comprises a crushing box, wherein a crushing mechanism for crushing coal cinder is arranged at the top end inside the crushing box; the coal cinder crushing device is characterized in that a first filter screen for screening crushed coal cinder is arranged in the middle of the inside of the crushing box, two ends of the first filter screen penetrate through the crushing box and extend out of two sides of the crushing box respectively, sliding grooves are formed in two sides of the crushing box, and the first filter screen can slide in the sliding grooves;
the top end of the inside of the crushing box is provided with a dust collection mechanism for cleaning dust generated in the coal cinder crushing process, and the crushing mechanism is positioned right below the dust collection mechanism;
the dust collection mechanism comprises a dust collection box arranged on one side of a crushing box, a first dust collection pipe is arranged at the top end of the inner part of the crushing box, a plurality of through holes are formed in the bottom of the first dust collection pipe, a second dust collection pipe is fixedly communicated with one side of the first dust collection pipe, one end of the second dust collection pipe, which is far away from the first dust collection pipe, penetrates through the crushing box and extends out of one side of the crushing box, an air pump is arranged at the top end of the dust collection box, the air pump is fixedly connected with the dust collection box through a support, the bottom of the second dust collection pipe is fixedly communicated with an air inlet of the air pump, an air inlet pipe is fixedly communicated with an air inlet pipe, the bottom end of the air inlet pipe penetrates through the dust collection box and extends into the dust collection box, a first box door is movably connected to the front side of the dust collection box, and a first handle is fixedly arranged at the front end of the first box door.
Further, the dust collection box is kept away from one side of smashing the case and fixedly communicates with two outlet ducts, the outlet duct is close to the inside second filter screen that is equipped with of one end of dust collection box, the inside motor that is equipped with of outlet duct, the output shaft outer end of motor runs through and is equipped with the scavenger fan, the output shaft of motor is close to the one end of second filter screen and runs through the second filter screen and extend to the dust collection box inside, runs through the fixed scraper blade that is equipped with of one end of the motor output shaft of second filter screen, the scraper blade contacts with the second filter screen.
Further, crushing mechanism is including establishing at two crushing axles of crushing incasement portion, crushing axle external fixation is equipped with crushing roller, crushing axle rear end runs through crushing case and extends crushing case rear side, crushing axle rear end runs through and is equipped with the gear, two the gear distributes side by side and meshes mutually, one of them crushing axle rear end is fixed and is equipped with first motor, first motor passes through support and crushing case rear side fixed connection.
Further, a vibration mechanism for driving the first filter screen to vibrate up and down is arranged at the top of the dust box;
the vibration mechanism comprises a first supporting plate arranged at the top of the dust collection box, a second supporting plate is fixedly arranged on one side, close to the dust collection box, of the crushing box, a first rotating shaft is movably connected to one side, far away from the crushing box, of the second supporting plate through a bearing, a first connecting plate is arranged at the front end of the first rotating shaft in a penetrating mode, a moving rod is fixedly arranged on the front side of the bottom of the first connecting plate, a second connecting plate is movably connected to one side, close to the crushing box, of the first supporting plate through a hinging seat, a sliding groove is formed in the second connecting plate, the moving rod is located inside the sliding groove and can slide inside the sliding groove, a third connecting plate is movably connected to one side, close to the crushing box, of the second connecting plate through the rotating shaft, and a telescopic rod is hinged between the bottom of the third connecting plate and the first filter screen.
Further, the rear end of the first rotating shaft penetrates through the second supporting plate and extends out of the rear side of the second supporting plate, a second motor is fixedly arranged at the rear end of the first rotating shaft, and the second motor is fixedly connected with one side of the crushing box through a support.
Further, one side of the first filter screen far away from the dust box is movably connected with the inner wall of the crushing box through a rotating shaft, three first springs are arranged at the bottom of one side of the first filter screen close to the dust box, and the bottom of each first spring is fixedly connected with the inner wall of the crushing box.
Further, a conveying mechanism for conveying large-particle coal slag is arranged on one side of the crushing box away from the dust box;
the conveying mechanism comprises a collecting box arranged on one side, far away from the dust box, of the crushing box, one side, close to the collecting box, of the first filter screen penetrates through the collecting box and extends to the inside of the collecting box, the top of the collecting box is fixedly communicated with a conveying cylinder, a spiral conveying rod is movably connected to the inside of the conveying cylinder through a bearing, the top of the spiral conveying rod penetrates through the collecting box and extends out of the top of the collecting box, a discharging pipe is fixedly communicated with the top, close to one side, of the crushing box, of the conveying cylinder, a third motor is fixedly arranged on the top of the bolt conveying shaft, and the third motor is fixedly connected with the top of the conveying cylinder through a support.
Further, the bottom end of the inside of the crushing box is provided with a containing box, and the bottom of the containing box is provided with a quantifying mechanism for reminding people to timely pour coal cinder in the containing box;
the quantitative mechanism comprises a third supporting plate arranged at the bottom of the crushing box, the containing box is positioned at the top of the third supporting plate, second springs are fixedly arranged at four corners of the bottom of the third supporting plate, the bottom of the second springs is fixedly connected with the bottom end inside the crushing box, an alarm is arranged at the front side of the crushing box, a tact switch for controlling the alarm is arranged at the bottom end inside the crushing box, and the tact switch is positioned under the third supporting plate;
the front side of the bottom of the crushing box is movably connected with a second box door through a hinge, and a second handle is fixedly arranged on the front side of the second box door.
Further, the top of the crushing box is fixedly communicated with a feed chute, and one end of the discharge pipe, which is close to the crushing box, is positioned at the top of the feed chute.
In the technical scheme, the invention has the technical effects and advantages that:
1. when the dust generated in the coal slag crushing process is required to be cleaned, the air pump is started, the air pump sucks the dust into the second dust suction pipe through the through hole on the first dust suction pipe, then the dust enters the air inlet pipe through the second dust suction pipe, finally the dust enters the dust collection box through the air inlet pipe, and the dust collection box can collect the dust, so that the dust is prevented from polluting the surrounding environment and damaging the body of staff;
2. according to the invention, the second motor is started, the second motor can drive the first rotating shaft to rotate, the first rotating shaft can drive the moving rod to rotate, the moving rod can drive the second connecting plate to move, the second connecting plate can drive the telescopic rod to move, the telescopic rod can drive the first filter screen to move up and down, the first filter screen moves up and down to generate vibration, the first filter screen can be prevented from being blocked by coal cinder, and the screening efficiency is improved.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings may be obtained according to these drawings for a person having ordinary skill in the art.
Fig. 1 is a front view of the present invention.
Fig. 2 is a rear view of the present invention.
Fig. 3 is a cross-sectional view of the pulverizing box, dust box and collecting box of the present invention.
Fig. 4 is a schematic structural view of the dust suction mechanism of the present invention.
Fig. 5 is a cross-sectional view of the dust bin of the present invention.
Fig. 6 is an enlarged view of a of fig. 5 according to the present invention.
Fig. 7 is a schematic structural view of the pulverizing mechanism of the present invention.
Fig. 8 is a schematic structural view of the quantitative mechanism of the present invention.
Fig. 9 is a schematic structural view of the vibration mechanism of the present invention.
Fig. 10 is a schematic structural view of the conveying mechanism of the present invention.
Fig. 11 is a schematic view of the cooperation of the crushing teeth and the crushing roller according to the present invention.
Reference numerals illustrate:
1, a crushing box;
2 pulverizing mechanism, 201 pulverizing shaft, 202 pulverizing roller, 203 gear, 204 first motor, 205 pulverizing teeth, bottom layer 2051, transition layer 2052, top layer 2053;
3, a first filter screen;
4 dust collection mechanism, 401 dust collection box, 402 first dust collection pipe, 403 second dust collection pipe, 404 air pump, 405 air inlet pipe, 406 air outlet pipe, 407 second filter screen, 408 motor, 409 ventilator, 410 scraper;
the device comprises a vibration mechanism 5, a first supporting plate 501, a second supporting plate 502, a first rotating shaft 503, a first connecting plate 504, a moving rod 505, a second connecting plate 506, a third connecting plate 507, a telescopic rod 508, a second motor 509 and a first spring 510;
6 conveying mechanisms, 601 collecting boxes, 602 conveying cylinders, 603 spiral conveying rods, 604 third motors and 605 discharging pipes;
7, accommodating the box;
the weighing device comprises an 8 quantitative mechanism, a 801 third supporting plate, a 802 tact switch, a 803 second spring and a 804 alarm;
9 feed tank.
Detailed Description
In order to make the technical scheme of the present invention better understood by those skilled in the art, the present invention will be further described in detail with reference to the accompanying drawings.
The invention provides a coal cinder crushing device of a thermal power plant, which is shown in figures 1-11, and comprises a crushing box 1, wherein the top end inside the crushing box 1 is provided with a crushing mechanism 2 for crushing coal cinder; the coal cinder crushing device is characterized in that a first filter screen 3 for screening crushed coal cinder is arranged in the middle of the inside of the crushing box 1, two ends of the first filter screen 3 penetrate through the crushing box 1 and extend out of two sides of the crushing box 1 respectively, sliding grooves are formed in two sides of the crushing box 1, the first filter screen 3 can slide in the sliding grooves, a feeding groove 9 is fixedly communicated with the top of the crushing box 1, and one end of a discharging pipe 605, which is close to the crushing box 1, is positioned at the top of the feeding groove 9;
as shown in fig. 7, the crushing mechanism 2 includes two crushing shafts 201 disposed inside the crushing box 1, a crushing roller 202 is fixedly disposed outside the crushing shafts 201, the rear end of the crushing shaft 201 penetrates through the crushing box 1 and extends out of the rear side of the crushing box 1, a gear 203 is disposed at the rear end of the crushing shaft 201 in a penetrating manner, the two gears 203 are disposed side by side and meshed with each other, a first motor 204 is fixedly disposed at the rear end of one of the crushing shafts 201, and the first motor 204 is fixedly connected with the rear side of the crushing box 1 through a bracket;
inside pouring the cinder that needs smashing into crushing case 1 through feed chute 9, start first motor 204, first motor 204 can drive one of them crushing axle 201 and rotate, because two gears 203 distribute side by side and mesh mutually, two crushing axles 201 rotate simultaneously under the effect of two gears 203, crushing axle 201 drives crushing roller 202 and rotates, and two crushing rollers 202 rotate with opposite direction can smash the cinder. As shown in fig. 11, the pulverizing roller 202 is provided with pulverizing teeth 205, the pulverizing teeth 205 are formed by overlaying, at least three layers of stacking are adopted, the pulverizing teeth comprise a bottom layer 2051, a transition layer 2052 and a top end layer 2053, the depth H of the bottom layer 2051 embedded into the pulverizing roller is 5-20mm, the height L of the bottom layer 2051 protruding out of the pulverizing roller 202 is 5-10mm, the top end layer 2053 completely covers the transition layer 2052, the lower end of the top end layer 2053 is also in contact with the bottom layer 2051, the thickness K of the thinnest part of the top end layer is 1-5mm, the overlaying is made of high-speed steel powder, and the overlaying is performed in a nitrogen environment. Such a manner of processing is effective in saving costs and results in each of the crushing teeth 205 having a higher strength and being simpler to maintain.
As shown in fig. 4, a dust collection mechanism 4 for cleaning dust generated in the coal cinder crushing process is arranged at the top end inside the crushing box 1, and the crushing mechanism 2 is positioned right below the dust collection mechanism 4; the dust collection mechanism 4 comprises a dust collection box 401 arranged on one side of the crushing box 1, a first dust collection pipe 402 is arranged at the top end inside the crushing box 1, a plurality of through holes are formed in the bottom of the first dust collection pipe 402, a second dust collection pipe 403 is fixedly communicated with one side of the first dust collection pipe 402, one end, far away from the first dust collection pipe 402, of the second dust collection pipe 403 penetrates through the crushing box 1 and extends out of one side of the crushing box 1, an air pump 404 is arranged at the top end of the dust collection box 401, the air pump 404 is fixedly connected with the dust collection box 401 through a support, the bottom of the second dust collection pipe 403 is fixedly communicated with an air inlet of the air pump 404, an air inlet pipe 405 is fixedly communicated with an air outlet of the air pump 404, the bottom end of the air inlet pipe 405 penetrates through the dust collection box 401 and extends into the dust collection box 401, a first box door is movably connected to the front side of the dust collection box 401 through a hinge, and a first handle is fixedly arranged at the front end of the first box door;
dust is generated in the coal cinder crushing process, in order to prevent the dust from polluting the surrounding environment, the dust needs to be cleaned, the air suction pump 404 is started, the air suction pump 404 sucks the dust into the second dust suction pipe 403 through the through hole on the first dust suction pipe 402, then the dust enters the air inlet pipe 405 through the second dust suction pipe 403, finally the dust enters the dust collection box 401 through the air inlet pipe 405, and the dust collection box 401 can collect the dust, so that the dust is prevented from polluting the surrounding environment and causing harm to the body of staff;
when the dust inside the dust box 401 needs to be cleaned, the dust inside the dust box 401 can be cleaned by opening the first box door through the first handle.
As shown in fig. 5 and 6, one side of the dust box 401 away from the crushing box 1 is fixedly connected with two air outlet pipes 406, a second filter screen 407 is arranged in one end of the air outlet pipe 406 close to the dust box 401, a motor 408 is arranged in the air outlet pipe 406, a ventilation fan 409 is arranged at the outer end of an output shaft of the motor 408 in a penetrating manner, one end of the output shaft of the motor 408 close to the second filter screen 407 penetrates through the second filter screen 407 and extends into the dust box 401, a scraper 410 is fixedly arranged at one end of the output shaft of the motor 408 penetrating through the second filter screen 407, and the scraper 410 is in contact with the second filter screen 407;
the second filter screen 407 inside the dust collection box 401 can avoid dust to be discharged through the air outlet pipe 406, the motor 408 is started, the motor 408 can drive the ventilating fan 409 to rotate, the ventilating fan 409 rotates to discharge air inside the dust collection box 401, the output shaft of the motor 408 rotates and simultaneously can rotate the movable scraper 410, and the scraper 410 rotates to clean dust adsorbed on the second filter screen 407, so that the second filter screen 407 is prevented from being blocked by dust.
As shown in fig. 9, a vibration mechanism 5 for driving the first filter screen 3 to vibrate up and down is arranged at the top of the dust box 401; the vibration mechanism 5 comprises a first supporting plate 501 arranged at the top of the dust box 401, a second supporting plate 502 is fixedly arranged on one side, close to the dust box 401, of the crushing box 1, a first rotating shaft 503 is movably connected to one side, close to the dust box 1, of the second supporting plate 502 through a bearing, a first connecting plate 504 is arranged at the front end of the first rotating shaft 503 in a penetrating manner, a moving rod 505 is fixedly arranged at the front side of the bottom of the first connecting plate 504, a second connecting plate 506 is movably connected to one side, close to the crushing box 1, of the first supporting plate 501 through a hinging seat, a sliding groove is formed in the second connecting plate 506, the moving rod 505 is positioned in the sliding groove and can slide in the sliding groove, a third connecting plate 507 is movably connected to one side, close to the crushing box 1, close to the dust box 3, of the bottom of the third connecting plate 507 is movably connected with one side, close to the dust box 401, of the first filter screen 3 through a hinging seat, a telescopic rod 508 is movably connected to the bottom of the first connecting plate 503, the rear end of the first rotating shaft 503 penetrates through the second supporting plate 502 and extends out of the rear side of the second supporting plate 502, a second motor 509 is fixedly arranged at the rear end of the first motor 509, a second motor is connected to the second motor 509 is movably connected to the side, the second motor 401 is arranged on the side, close to the first filter screen 3 is movably connected to the dust box 1, close to the first side, the dust box 1 is connected to the dust box 1 through the first filter screen 3, and the inner wall is movably connected to the dust box 510, and the dust box 510;
the first filter screen 3 can sieve the cinder after smashing, in order to avoid cinder to block up first filter screen 3, start the second motor 509, the second motor 509 can drive first pivot 503 rotation, first pivot 503 rotation can drive movable rod 505 and rotate, movable rod 505 rotation can drive second connecting plate 506 and remove, utilize second connecting plate 506 can drive third connecting plate 507 and remove, third connecting plate 507 removes and can drive telescopic link 508 and reciprocate, telescopic link 508 removes and drives first filter screen 3 up-and-down motion and produce vibrations, thereby can avoid cinder to block up first filter screen 3, improve screening efficiency.
As shown in fig. 10, a conveying mechanism 6 for conveying large-particle coal slag is arranged on one side of the crushing box 1 away from the dust box 401; the conveying mechanism 6 comprises a collecting box 601 arranged on one side, far away from the dust collecting box 401, of the crushing box 1, one side, close to the collecting box 601, of the first filter screen 3 penetrates through the collecting box 601 and extends into the collecting box 601, the top of the collecting box 601 is fixedly communicated with a conveying cylinder 602, a spiral conveying rod 603 is movably connected inside the conveying cylinder 602 through a bearing, the top of the spiral conveying rod 603 penetrates through the collecting box 601 and extends out of the top of the collecting box 601, a discharging pipe 605 is fixedly communicated with the top of one side, close to the crushing box 1, of the conveying cylinder 602, a third motor 604 is fixedly arranged at the top of the bolt conveying shaft 603, and the third motor 604 is fixedly connected with the top of the conveying cylinder 602 through a bracket;
inside entering collecting box 601 through first filter screen 3 of large granule cinder, start third motor 604, third motor 604 can drive transport cylinder 602 and rotate, and transport cylinder 602 can carry large granule cinder, carries collecting box 601 top with large granule cinder, and large granule cinder rethread discharging pipe 605 enters into inside feed chute 9, carries out secondary crushing to large granule cinder, guarantees that the cinder particle diameter after the crushing is unified.
As shown in fig. 8, the bottom end inside the crushing box 1 is provided with a containing box 7, and the bottom of the containing box 7 is provided with a quantifying mechanism 8 for reminding people to timely pour the coal cinder inside the containing box 7; the quantifying mechanism 8 comprises a third supporting plate 801 arranged at the bottom of the smashing box 1, the containing box 7 is positioned at the top of the third supporting plate 801, second springs 803 are fixedly arranged at four corners of the bottom of the third supporting plate 801, the bottom of the second springs 803 is fixedly connected with the bottom end inside the smashing box 1, an alarm 804 is arranged at the front side of the smashing box 1, a tact switch 802 for controlling the alarm 804 is arranged at the bottom end inside the smashing box 1, and the tact switch 802 is positioned under the third supporting plate 801; the front side of the bottom of the crushing box 1 is movably connected with a second box door through a hinge, and a second handle is fixedly arranged on the front side of the second box door;
inside the qualified cinder of particle diameter got into flourishing case 7 through first filter screen 3, the flourishing case 7 utilizes weight downwardly extrusion third backup pad 801, third backup pad 801 downwardly moving and dab switch 802 contact, dab switch 802 can control alarm 804 and send the alarm, remind people flourishing incasement 7 inside cinder has been filled, the staff opens the second chamber door through the second handle, will flourishing case 7 from smashing incasement 1 inside and pull out, after clearing up the cinder of flourishing incasement 7 inside, again put flourishing case 7 on third backup pad 801, second spring 803 can not receive pressure this moment, second spring 803 utilizes self elasticity to drive third backup pad 801 and resets, the convenience is the staff of reminding the next time to empty the coal cinder of flourishing incasement 7 inside.
While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that modifications may be made to the described embodiments in various different ways without departing from the spirit and scope of the invention. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive of the scope of the invention, which is defined by the appended claims.
Claims (9)
1. The utility model provides a coal cinder reducing mechanism of steam power plant, includes crushing case, its characterized in that: the top end of the inside of the crushing box is provided with a crushing mechanism for crushing coal cinder; the coal cinder crushing device is characterized in that a first filter screen for screening crushed coal cinder is arranged in the middle of the inside of the crushing box, two ends of the first filter screen penetrate through the crushing box and extend out of two sides of the crushing box respectively, sliding grooves are formed in two sides of the crushing box, and the first filter screen can slide in the sliding grooves;
the top end of the inside of the crushing box is provided with a dust collection mechanism for cleaning dust generated in the coal cinder crushing process, and the crushing mechanism is positioned right below the dust collection mechanism;
the dust collection mechanism comprises a dust collection box arranged on one side of a crushing box, a first dust collection pipe is arranged at the top end of the inner part of the crushing box, a plurality of through holes are formed in the bottom of the first dust collection pipe, a second dust collection pipe is fixedly communicated with one side of the first dust collection pipe, one end of the second dust collection pipe, which is far away from the first dust collection pipe, penetrates through the crushing box and extends out of one side of the crushing box, an air pump is arranged at the top end of the dust collection box, the air pump is fixedly connected with the dust collection box through a support, the bottom of the second dust collection pipe is fixedly communicated with an air inlet of the air pump, an air inlet pipe is fixedly communicated with an air inlet pipe, the bottom end of the air inlet pipe penetrates through the dust collection box and extends into the dust collection box, a first box door is movably connected to the front side of the dust collection box, and a first handle is fixedly arranged at the front end of the first box door.
2. The coal cinder reducing mechanism of a thermal power plant as defined in claim 1, wherein: the dust collection box is kept away from one side of smashing the case and fixedly communicates there are two outlet ducts, the outlet duct is close to the inside second filter screen that is equipped with of one end of dust collection box, the inside motor that is equipped with of outlet duct, the output shaft outer end of motor runs through and is equipped with the scavenger fan, the output shaft of motor is close to the one end of second filter screen and runs through the second filter screen and extend to the dust collection box inside, and the one end of the motor output shaft that runs through the second filter screen is fixed and is equipped with the scraper blade, the scraper blade contacts with the second filter screen.
3. The coal cinder reducing mechanism of a thermal power plant as defined in claim 1, wherein: the crushing mechanism comprises two crushing shafts arranged inside a crushing box, crushing rollers are fixedly arranged outside the crushing shafts, the rear ends of the crushing shafts penetrate through the crushing box and extend out of the rear side of the crushing box, gears are arranged at the rear ends of the crushing shafts in a penetrating mode, the gears are distributed side by side and meshed with each other, one of the gears is fixedly provided with a first motor, and the first motor is fixedly connected with the rear side of the crushing box through a support.
4. The coal cinder reducing mechanism of a thermal power plant as defined in claim 1, wherein: the top of the dust box is provided with a vibration mechanism for driving the first filter screen to vibrate up and down;
the vibration mechanism comprises a first supporting plate arranged at the top of the dust collection box, a second supporting plate is fixedly arranged on one side, close to the dust collection box, of the crushing box, a first rotating shaft is movably connected to one side, far away from the crushing box, of the second supporting plate through a bearing, a first connecting plate is arranged at the front end of the first rotating shaft in a penetrating mode, a moving rod is fixedly arranged on the front side of the bottom of the first connecting plate, a second connecting plate is movably connected to one side, close to the crushing box, of the first supporting plate through a hinging seat, a sliding groove is formed in the second connecting plate, the moving rod is located inside the sliding groove and can slide inside the sliding groove, a third connecting plate is movably connected to one side, close to the crushing box, of the second connecting plate through the rotating shaft, and a telescopic rod is hinged between the bottom of the third connecting plate and the first filter screen.
5. The coal cinder reducing mechanism of a thermal power plant as defined in claim 4, wherein: the rear end of the first rotating shaft penetrates through the second supporting plate and extends out of the rear side of the second supporting plate, a second motor is fixedly arranged at the rear end of the first rotating shaft, and the second motor is fixedly connected with one side of the crushing box through a bracket.
6. The coal cinder reducing mechanism of a thermal power plant as defined in claim 1, wherein: one side of the first filter screen, which is far away from the dust box, is movably connected with the inner wall of the crushing box through a rotating shaft, three first springs are arranged at the bottom of one side of the first filter screen, which is close to the dust box, and the bottoms of the first springs are fixedly connected with the inner wall of the crushing box.
7. The coal cinder reducing mechanism of a thermal power plant as defined in claim 1, wherein:
a conveying mechanism for conveying large-particle coal slag is arranged on one side of the crushing box away from the dust collecting box;
the conveying mechanism comprises a collecting box arranged on one side, far away from the dust box, of the crushing box, one side, close to the collecting box, of the first filter screen penetrates through the collecting box and extends to the inside of the collecting box, the top of the collecting box is fixedly communicated with a conveying cylinder, a spiral conveying rod is movably connected to the inside of the conveying cylinder through a bearing, the top of the spiral conveying rod penetrates through the collecting box and extends out of the top of the collecting box, a discharging pipe is fixedly communicated with the top, close to one side, of the crushing box, of the conveying cylinder, a third motor is fixedly arranged on the top of the bolt conveying shaft, and the third motor is fixedly connected with the top of the conveying cylinder through a support.
8. The coal cinder reducing mechanism of a thermal power plant as defined in claim 7, wherein: the bottom end of the inside of the crushing box is provided with a containing box, and the bottom of the containing box is provided with a quantifying mechanism for reminding people to timely pour coal cinder in the containing box;
the quantitative mechanism comprises a third supporting plate arranged at the bottom of the crushing box, the containing box is positioned at the top of the third supporting plate, second springs are fixedly arranged at four corners of the bottom of the third supporting plate, the bottom of the second springs is fixedly connected with the bottom end inside the crushing box, an alarm is arranged at the front side of the crushing box, a tact switch for controlling the alarm is arranged at the bottom end inside the crushing box, and the tact switch is positioned under the third supporting plate;
the front side of the bottom of the crushing box is movably connected with a second box door through a hinge, and a second handle is fixedly arranged on the front side of the second box door.
9. The coal cinder reducing mechanism of a thermal power plant as defined in claim 8, wherein: the crushing case top is fixed to be linked together and is had the feed chute, the one end that the discharging pipe is close to crushing case is located the feed chute top.
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CN202311713189.4A CN117563709A (en) | 2023-12-13 | 2023-12-13 | Coal cinder reducing mechanism of steam power plant |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN118594679A (en) * | 2024-08-07 | 2024-09-06 | 江苏恒金达建设发展有限公司 | Equipment and method for preparing expandable inorganic high molecular polymer grouting material |
CN118719216A (en) * | 2024-07-25 | 2024-10-01 | 华电国际电力股份有限公司邹县发电厂 | A coal slag treatment device with a filtering structure |
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2023
- 2023-12-13 CN CN202311713189.4A patent/CN117563709A/en active Pending
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN118719216A (en) * | 2024-07-25 | 2024-10-01 | 华电国际电力股份有限公司邹县发电厂 | A coal slag treatment device with a filtering structure |
CN118594679A (en) * | 2024-08-07 | 2024-09-06 | 江苏恒金达建设发展有限公司 | Equipment and method for preparing expandable inorganic high molecular polymer grouting material |
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