CN115318362B - Thermal power generation auxiliary equipment and method - Google Patents
Thermal power generation auxiliary equipment and method Download PDFInfo
- Publication number
- CN115318362B CN115318362B CN202210899911.7A CN202210899911A CN115318362B CN 115318362 B CN115318362 B CN 115318362B CN 202210899911 A CN202210899911 A CN 202210899911A CN 115318362 B CN115318362 B CN 115318362B
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- Prior art keywords
- containing tank
- rod
- coal
- side wall
- screening
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- 238000000034 method Methods 0.000 title claims abstract description 22
- 238000010248 power generation Methods 0.000 title claims abstract description 17
- 230000007246 mechanism Effects 0.000 claims abstract description 143
- 239000003245 coal Substances 0.000 claims abstract description 85
- 238000012216 screening Methods 0.000 claims abstract description 58
- 238000007599 discharging Methods 0.000 claims abstract description 22
- 239000002245 particle Substances 0.000 claims abstract description 18
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 4
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 4
- 238000001914 filtration Methods 0.000 claims description 22
- 238000007789 sealing Methods 0.000 claims description 17
- 230000005484 gravity Effects 0.000 claims description 6
- 230000000149 penetrating effect Effects 0.000 claims description 5
- 238000004140 cleaning Methods 0.000 claims description 4
- 239000000463 material Substances 0.000 abstract description 44
- 230000000903 blocking effect Effects 0.000 abstract description 3
- 239000008187 granular material Substances 0.000 description 5
- 238000002485 combustion reaction Methods 0.000 description 3
- 206010024796 Logorrhoea Diseases 0.000 description 2
- 238000007664 blowing Methods 0.000 description 2
- 238000000227 grinding Methods 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000010298 pulverizing process Methods 0.000 description 1
- 230000032258 transport Effects 0.000 description 1
Classifications
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- 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
-
- 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
- B02C23/20—Adding fluid, other than for crushing or disintegrating by fluid energy after crushing or disintegrating
-
- 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
Abstract
The invention discloses thermal power generation auxiliary equipment and a method thereof, which belong to the technical field of thermal power generation, and comprise a material containing tank, a plurality of screening mechanisms, a crushing mechanism, a discharging mechanism and an external driving mechanism, wherein the crushing mechanism is rotationally arranged at the axis of the material containing tank, the screening mechanisms are arranged on the side wall of the material containing tank in a circumferential array in an embedded manner, the discharging mechanism is fixedly arranged at the lower end of the material containing tank, the driving mechanism is used for driving the material containing tank to rotate, and the screening mechanism is used for screening crushed carbon and bringing large-particle coal into the crushing mechanism again along with the rotation of the material containing tank for crushing; the screening mechanism is driven to rotate through the rotation of the containing tank, the crushed coal is filtered, the coal with larger particles is carried and rotated to the position above the crushing mechanism, falls into the crushing mechanism again and is crushed again, the larger coal in the equipment is prevented from blocking the screening mechanism, and meanwhile, the coal is driven to roll continuously through the rotation of the containing tank, so that the screening efficiency is increased.
Description
Technical Field
The invention relates to the technical field of thermal power generation, in particular to thermal power generation auxiliary equipment and a thermal power generation auxiliary method.
Background
In thermal power generation, power generation is mainly performed through heat energy generated by coal combustion, coal is required to be manufactured into pulverized coal before coal combustion so as to increase the combustion utilization rate of the coal, further, coarse grinding and crushing are required to be performed before coal is ground into powder, so that the coal is easy to remove impurities, and meanwhile, the processing intensity in the subsequent grinding and pulverizing process is reduced.
In the existing crushing device, crushed coal is required to be filtered through a filter screen, so that the coal with smaller particles and qualified crushing degree is output, the next procedure is carried out, the coal with larger incomplete particles is intercepted, and the crushed coal is crushed again after the subsequent procedure, in the process, firstly, large-particle coal is easy to block meshes, so that small-particle coal cannot leave the equipment through the filter screen, coal accumulation is caused, secondly, the coal intercepted by the filter screen needs to be taken out firstly, then the crushed coal is added into the equipment again, and the equipment or manual workload is increased.
Based on the above, the invention designs a thermal power generation auxiliary equipment and a thermal power generation auxiliary method to solve the problems.
Disclosure of Invention
The invention aims to provide thermal power generation auxiliary equipment and a thermal power generation auxiliary method, which are used for solving the problems that in the prior art, crushed coal is required to pass through a filter screen to be filtered by a coal output device with smaller particle crushing degree, next procedure is carried out, coal with larger incomplete particle is intercepted, and the coal with larger particle is crushed again after the subsequent re-crushing.
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a thermal power auxiliary assembly, includes holds material jar, a plurality of screening mechanism, crushing mechanism, discharge mechanism and external actuating mechanism, crushing mechanism rotates and sets up in holding material jar axle center department, and is a plurality of screening mechanism is circumference array embedded setting and holds the material jar lateral wall, the fixed setting of discharge mechanism holds the material jar lower extreme, actuating mechanism is used for driving holds the material jar and rotates, screening mechanism is used for screening garrulous carbon and bringing big granule coal into crushing mechanism again along with holding the material jar rotation when discharge mechanism top and smashes.
As a further scheme of the invention, the crushing mechanism comprises two mounting plates which are symmetrically arranged front and back, the two mounting plates are respectively and rotatably connected with the front side wall and the rear side wall of the containing tank, a plurality of crushing rollers which are transversely and linearly arranged in an array are jointly rotatably connected between the mounting plates, a feed inlet is formed in the front end of each mounting plate above the corresponding crushing roller in a penetrating manner, and a feed mechanism is externally connected with the feed inlet and is used for conveying coal into the crushing mechanism.
As a further scheme of the invention, the screening mechanism comprises a triangular plate, the triangular plate is arranged on the inner wall of the containing tank, first discharge holes are formed in the positions, corresponding to the triangular plates, of the side walls of the containing tank, the left side walls of the triangular plate are hinged to the side walls of the first discharge holes, the right side walls of the triangular plate are fixedly connected with the inner wall of the containing tank, the baffle is rotatably connected with the right side walls of the first discharge holes, the baffle can block the first discharge holes, the screening mechanism is provided with a control mechanism, the control mechanism can control the baffle to open the first discharge holes when the baffle moves to the lower end position of the containing tank, the front end and the rear end of the triangular plate are fixedly connected with a sealing plate, and the left side plates of the triangular plate are provided with filtering holes.
As a further scheme of the invention, the control mechanism comprises a fan-shaped shell, the outer side wall of the material containing tank is rotationally connected with the fan-shaped shell, the fan-shaped shell is externally connected with a fixing mechanism, the discharging mechanism is fixedly connected with the lower end of the fan-shaped shell, a torsion spring is arranged at the joint of the baffle and the material containing tank, a vent hole is formed in the mounting plate at the rear end, and an air pump is externally connected with the vent hole.
As a further scheme of the invention, through rods are arranged on one side, close to the outer wall of the material containing tank, of the filtering holes, connecting rods are fixedly connected with each other, sliding rods are fixedly connected to the front end and the rear end of each connecting rod, each sliding rod is elastically and slidably connected with a sealing plate, an arc push rod is slidably connected to the end face of each sealing plate, and a sensing mechanism is arranged on each arc push rod and can push the corresponding arc push rod to the axis direction of the material containing tank and then reset after the filtering holes are blocked.
As a further scheme of the invention, the touch sensing mechanism comprises a fixed plate, wherein the fixed plate is fixedly connected with the side wall of the sealing plate, and a threaded cylinder penetrates through the fixed plate and is connected with the fixed plate in an elastic sliding manner; the inner wall of one end of the threaded cylinder is provided with a reciprocating screw rod which can be in threaded connection with the threaded cylinder, the thread start of the reciprocating screw rod is not contacted with the thread start of the inner wall of the threaded cylinder in an initial state, the reciprocating screw rod is fixedly connected with an arc push rod, the inner wall of the other end of the threaded cylinder is fixedly connected with a straight rod, the straight rod is fixedly connected with a first gear, a hydraulic cylinder is fixedly connected on a fixed plate in a penetrating manner, an elastic telescopic rod is connected with the inner wall of one end of the hydraulic cylinder close to the first gear in a sliding and sealing manner, the elastic telescopic rod is in sliding connection with the end face of the first gear, a piston rod is connected with the inner wall of one end of the hydraulic cylinder far away from the first gear in a sliding and sealing manner, a telescopic connecting rod is rotationally connected with the end part of the piston rod, a second gear is fixedly connected with a rotary connecting part of the second gear and a baffle plate on the first discharge hole; the inner side wall of the fan-shaped shell is fixedly connected with a toothed ring, and the toothed ring is meshed with the first gear.
As a further scheme of the invention, the end part of the through rod is provided with a chamfer.
A thermal power generation assisting method comprises the following steps:
s1, during working, coal which is not crushed is directly input into a crushing mechanism, crushed by the crushing mechanism and falls into a containing tank;
s2, enabling the crushed coal to fall into the lower side position in the containing tank under the action of gravity, filtering by a screening mechanism on the side wall of the containing tank, and enabling the coal with smaller particle size to enter a discharging mechanism through the screening mechanism and be conveyed out of the device;
s3, carrying and rotating the coal with larger particles by the screening mechanism to the upper part of the crushing mechanism along with the rotation process of the containing tank, and then falling into the crushing mechanism again for re-crushing.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, the screening mechanism is driven to rotate through the rotation of the containing tank, crushed coal is filtered, the coal with larger particles is carried and rotated to the position above the crushing mechanism and falls into the crushing mechanism again for re-crushing, the larger coal in the equipment is prevented from blocking the screening mechanism, and meanwhile, the coal is driven to continuously roll through the rotation of the containing tank, so that the screening efficiency is increased.
2. According to the invention, the triangular plates are arranged, and the two side walls of the triangular plates are used for screening and transporting the coal respectively, so that the screened coal can be directly transported to the upper end of the containing tank along with the triangular plates and fall into the crushing mechanism again for crushing, the continuity of the whole equipment is stronger, and the crushed coal can be subjected to secondary crushing after batch screening, so that the coal is not easy to block the equipment.
3. According to the invention, the efficiency of coal screening is accelerated by blowing the air pump into the material containing tank, the probability that smaller coal cannot pass through the filtering holes under the obstruction of larger coal is reduced, the secondary crushing amount of the coal is further reduced, and the working efficiency of the equipment is increased.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a schematic view of the front cross-section structure of the present invention;
FIG. 3 is a schematic view of the structure of the invention with the discharge mechanism and fan-shaped casing removed;
FIG. 4 is a schematic view of the structure of the ring gear and one of the closure plates of FIG. 3;
FIG. 5 is an enlarged schematic view of the structure A in FIG. 4;
fig. 6 is a schematic of the workflow of the present invention.
In the drawings, the list of components represented by the various numbers is as follows:
the material containing tank 1, the mounting plate 21, the crushing roller 22, the feeding hole 23, the triangular plate 31, the first discharging hole 32, the baffle 33, the closing plate 34, the filtering hole 35, the fan-shaped shell 41, the vent hole 42, the through rod 51, the connecting rod 52, the slide rod 53, the arc-shaped push rod 54, the fixing plate 61, the threaded cylinder 62, the reciprocating screw rod 63, the straight rod 64, the first gear 67, the hydraulic cylinder 68, the elastic telescopic rod 69, the piston rod 610, the telescopic connecting rod 611, the second gear 612, the toothed ring 613 and the discharging mechanism 7.
Detailed Description
Referring to fig. 1-6, the present invention provides a technical solution: the utility model provides a thermal power auxiliary assembly, includes holds material jar 1, a plurality of screening mechanism, crushing mechanism, discharge mechanism 7 and external actuating mechanism, crushing mechanism rotates and sets up in holding material jar 1 axle center department, and is a plurality of screening mechanism is circumference array embedded setting and holds material jar 1 lateral wall, discharge mechanism 7 is fixed to be set up in holding material jar 1 lower extreme, actuating mechanism is used for driving holds material jar 1 and rotates, screening mechanism is used for screening garrulous carbon and takes the large granule coal along with holding material jar 1 rotation again into crushing mechanism when discharge mechanism 7 top and smashes.
During operation, the coal that does not smash directly inputs crushing mechanism in, fall into hold the material jar 1 after smashing through crushing mechanism, the coal after smashing falls into the downside position in holding the material jar 1 under the action of gravity this moment, filter through holding the screening mechanism of material jar 1 lateral wall, wherein the less coal of granule size gets into discharge mechanism 7 through screening mechanism and transports out equipment, the great coal of granule carries the rotation to crushing mechanism top along with holding material jar 1 rotation in-process by screening mechanism and falls into crushing mechanism again and smashes again, so reciprocating, make the great result in of granule in equipment can't pass through the screening mechanism and leave the equipment in the time, can reenter crushing mechanism through holding material jar 1 pivoted mode and smash, prevent that great coal in the equipment from blockking up screening mechanism, simultaneously through holding the rotation of material jar 1, drive continuous roll of coal, increase screening efficiency.
According to the invention, the screening mechanism is driven to rotate through the rotation of the containing tank 1, crushed coal is filtered, coal with larger particles is carried and rotated to the position above the crushing mechanism and falls into the crushing mechanism again for re-crushing, the larger coal in the equipment is prevented from blocking the screening mechanism, and meanwhile, the coal is driven to continuously roll through the rotation of the containing tank 1, so that the screening efficiency is increased.
As a further scheme of the invention, the crushing mechanism comprises two mounting plates 21 which are symmetrically arranged front and back, the two mounting plates 21 are respectively and rotatably connected with the front side wall and the rear side wall of the containing tank 1, a plurality of crushing rollers 22 which are transversely and linearly arrayed are rotatably connected between the mounting plates 21, the front end of the mounting plate 21 is positioned above the crushing rollers 22, a feed inlet 23 is formed by penetrating through the front end of the mounting plate, the feed inlet 23 is externally connected with a feeding mechanism, and the feeding mechanism is used for conveying coal into the crushing mechanism.
During operation, the material conveying mechanism conveys coal to the crushing mechanism, the coal falls on the crushing roller 22 under the action of gravity, the crushing roller 22 is used for crushing, and the crushed coal falls into the lower end of the material containing tank 1 for screening.
As a further scheme of the invention, the screening mechanism comprises a triangular plate 31, the triangular plate 31 is arranged on the inner wall of the containing tank 1, a first discharge hole 32 is formed in the position, corresponding to the triangular plate 31, of the side wall of the containing tank 1, the left side wall of the triangular plate 31 is hinged to the side wall of the first discharge hole 32, the right side wall of the triangular plate 31 is fixedly connected with the inner wall of the containing tank 1, a baffle 33 is rotatably connected to the right side wall of the first discharge hole 32, the baffle 33 can block the first discharge hole 32, the screening mechanism is provided with a control mechanism, when the baffle 33 moves to the lower end position of the containing tank 1, the control mechanism can control the baffle 33 to open the first discharge hole 32, a sealing plate 34 is fixedly connected to the front end and the rear end of the triangular plate 31, and a filter hole 35 is formed in the left side plate of the triangular plate 31.
When the coal screening machine works, crushed coal falls on the upper end of the triangular plate 31, screening of the coal is carried out through the filtering holes 35 on the left side plate of the triangular plate 31, when the triangular plate 31 is positioned at the lower end position of the material containing tank 1, finer coal enters the first discharge hole 32 through the filtering holes 35 on the left side plate of the triangular plate 31, and when the first discharge hole 32 rotates to the lower end position of the material containing tank 1, the control mechanism controls the baffle 33 to open the first discharge hole 32, so that the finer coal falls into the discharge mechanism 7 through the first discharge hole 32 and is carried out; in the process, the larger coal on the left side plate of the triangular plate 31 cannot pass through the filtering holes 35, rolls along with the right side wall of the triangular plate 31 on the left side of the container 1, is driven by the right side wall of the triangular plate 31 to rotate along the outline of the container 1 until reaching the triangular plate 31 on the upper end of the container 1, and falls down along the side wall of the triangular plate 31 under the action of gravity, and falls into the crushing mechanism again for crushing.
According to the invention, the triangular plates 31 are arranged, and the two side walls of the triangular plates 31 are used for screening and transporting the coal respectively, so that the screened coal can be directly transported to the upper end of the containing tank 1 along with the triangular plates 31 to fall into the crushing mechanism again for crushing, the continuity of the whole equipment is stronger, and the crushed coal can be subjected to secondary crushing after batch screening, so that the coal is not easy to block the equipment.
As a further scheme of the invention, the control mechanism comprises a fan-shaped shell 41, the outer side wall of the material containing tank 1 is rotationally connected with the fan-shaped shell 41, the fan-shaped shell 41 is externally connected with a fixing mechanism, the discharging mechanism 7 is fixedly connected with the lower end of the fan-shaped shell 41, a torsion spring is arranged at the joint of the baffle 33 and the material containing tank 1, a vent hole 42 is formed in the mounting plate 21 at the rear end, and an air pump is externally connected with the vent hole 42.
When the air pump works, the air pump blows air into the material containing tank 1, the air flow acts on the baffle plate 33 through the filtering holes 35, so that the baffle plate 33 has a tendency of opening, when the baffle plate 33 moves to a notch of the fan-shaped shell 41, namely, a position above the discharging mechanism 7, the baffle plate 33 opens under the action of the air flow due to the fact that the fan-shaped shell 41 is not limited, and further air flow enters the discharging mechanism 7 through the first discharging hole 32 where the baffle plate 33 is positioned, and in the process, the air flow drives smaller coal to pass through the filtering holes 35 and enter the discharging mechanism 7, so that the efficiency of coal screening is accelerated; then, along with the rotation of the containing tank 1, the baffle 33 enters the fan-shaped shell 41 along with the containing tank 1, and under the extrusion of the fan-shaped shell 41, the baffle 33 is closed and the first discharge port 32 cannot continue to leak materials.
According to the invention, the efficiency of coal screening is accelerated by blowing the air pump into the material containing tank 1, the probability that smaller coal cannot pass through the filtering holes 35 under the obstruction of larger coal is reduced, the secondary crushing amount of the coal is further reduced, and the working efficiency of the equipment is increased.
As a further scheme of the invention, through rods 51 are arranged on one side, close to the outer wall of the containing tank 1, of the filtering holes 35, connecting rods 52 are fixedly connected with each other, sliding rods 53 are fixedly connected to the front end and the rear end of each connecting rod 52, each sliding rod 53 is elastically and slidably connected with the closing plate 34, an arc push rod 54 is slidably connected to the end face of the closing plate 34, the arc push rod 54 is provided with a touch mechanism, and the touch mechanism can push the arc push rod 54 to the axis direction of the containing tank 1 and then reset after the filtering holes 35 are blocked.
When the filter hole 35 is gradually blocked along with long-term operation, the sensing mechanism pushes the arc push rod 54 towards the axis direction of the material containing tank 1, the arc push rod 54 pushes the through rod 51 into the filter hole 35 through the connecting rod 52, so that coal blocked in the filter hole 35 is pushed into the material containing tank 1, then the arc push rod 54 is reset, the slide rod 53 is reset under the action of the elastic element, and the through rod 51 is reset through the connecting rod 52, so that the filter hole 35 is unblocked again for screening.
According to the invention, through the addition of the through rod 51 and the related transmission mechanism, when the filter hole 35 is blocked, the device can automatically clean the filter hole 35, so that the device can be further ensured to work at a higher working efficiency, and the stability of the device is improved.
As a further scheme of the invention, the sensing mechanism comprises a fixed plate 61, the fixed plate 61 is fixedly connected with the side wall of the closing plate 34, and a threaded cylinder 62 penetrates through the fixed plate 61 and is connected with the fixed plate in an elastic sliding manner; the inner wall of one end of the threaded cylinder 62 is provided with a reciprocating screw 63, the reciprocating screw 63 can be in threaded connection with the threaded cylinder 62, the threaded start of the reciprocating screw 63 is not contacted with the threaded start of the inner wall of the threaded cylinder 62 in an initial state, the reciprocating screw 63 is fixedly connected with the arc push rod 54, the inner wall of the other end of the threaded cylinder 62 is fixedly connected with a straight rod 64, the straight rod 64 is fixedly connected with a first gear 67, the fixed plate 61 is fixedly connected with a hydraulic cylinder 68 in a penetrating manner, the inner wall of one end of the hydraulic cylinder 68, which is close to the first gear 67, is in sliding sealing connection with an elastic telescopic rod 69, the end surface of the elastic telescopic rod 69, which is far away from the first gear 67, is in sliding sealing connection with a piston rod 610, the end part of the piston rod 610 is rotationally connected with a telescopic connecting rod 611, the telescopic rod 611 is fixedly connected with a second gear 612, and the second gear 612 is fixedly connected with the rotary connection part of the baffle 33 on the first discharge port 32; the inner side wall of the fan-shaped shell 41 is fixedly connected with a toothed ring 613, and the toothed ring 613 is meshed with the first gear 67.
When the rotary type automatic feeding device works, as the material containing tank 1 rotates, the first gear 67 on the sealing plate 34 rotates around the axis of the material containing tank 1, and the further first gear 67 moves relative to the toothed ring 613, so that the first gear 67 rotates; when the baffle 33 is in an open state, the threaded cylinder 62 is in an initial state, the threaded cylinder 62 is not meshed with the reciprocating screw 63, and the threaded cylinder 62 idles under the drive of the first gear 67; when the baffle 33 is closed, in the closing process, the baffle 33 drives the piston rod 610 to move towards the direction far away from the left side wall of the triangle 31 through the second gear 612 and the telescopic connecting rod 611, the further piston rod 610 enables the elastic telescopic rod 69 to move towards the direction far away from the left side wall of the triangle 31 through generating negative pressure in the hydraulic cylinder 68, the further driving screw cylinder 62 to move towards the direction far away from the left side wall of the triangle 31, the threads on the inner wall of the screw cylinder 62 are meshed with the reciprocating screw rod 63, the reciprocating screw rod 63 is further enabled to conduct one-time telescopic action, the through rod 51 is enabled to conduct one-time cleaning on the filter hole 35, then after the filter hole 35 is cleaned, the baffle 33 can be opened, the screw cylinder 62 is kept at an initial position, and when the baffle 33 is in a limited state of the sector shell 41, the corresponding through rod 51 can conduct repeated cleaning on the filter hole 35, and smoothness of the filter hole 35 when screening work is started is guaranteed.
As a further aspect of the present invention, the end of the through rod 51 is provided with a chamfer.
By chamfering, the through-rod 51 can be more smoothly entered into the filter hole 35.
A thermal power generation assisting method comprises the following steps:
s1, during working, coal which is not crushed is directly input into a crushing mechanism, crushed by the crushing mechanism and falls into a material containing tank 1;
s2, enabling the crushed coal to fall into the lower side position in the containing tank 1 under the action of gravity, filtering by a screening mechanism on the side wall of the containing tank 1, and enabling the coal with smaller particle size to enter a discharging mechanism 7 through the screening mechanism and be transported out of the device;
s3, carrying and rotating the coal with larger particles by the screening mechanism to the upper part of the crushing mechanism to fall into the crushing mechanism again for re-crushing in the rotating process of the containing tank 1.
Claims (3)
1. A thermal power auxiliary assembly, its characterized in that: the device comprises a containing tank (1), a plurality of screening mechanisms, a crushing mechanism, a discharging mechanism (7) and an external driving mechanism, wherein the crushing mechanism is rotationally arranged at the axis of the containing tank (1), the screening mechanisms are arranged on the side wall of the containing tank (1) in a circumferential array embedded mode, the discharging mechanism (7) is fixedly arranged at the lower end of the containing tank (1), the driving mechanism is used for driving the containing tank (1) to rotate, and the screening mechanism is used for screening crushed carbon and bringing large-particle coal into the crushing mechanism again along with the rotation of the containing tank (1) to crush;
the crushing mechanism comprises two mounting plates (21) which are symmetrically arranged front and back, the two mounting plates (21) are respectively connected with the front side wall and the rear side wall of the containing tank (1) in a rotating mode, a plurality of crushing rollers (22) which are arranged in a transverse linear array are connected between the mounting plates (21) in a rotating mode, the front end of the mounting plates (21) is located above the crushing rollers (22) and penetrates through a feeding hole (23), the feeding hole (23) is externally connected with a feeding mechanism, and the feeding mechanism is used for conveying coal into the crushing mechanism;
the screening mechanism comprises a triangular plate (31), the triangular plate (31) is arranged on the inner wall of the containing tank (1), a first discharging hole (32) is formed in the position, corresponding to the triangular plate (31), of the side wall of the containing tank (1), the left side wall of the triangular plate (31) is hinged to the side wall of the first discharging hole (32), the right side wall of the triangular plate (31) is fixedly connected with the inner wall of the containing tank (1), a baffle (33) is rotatably connected to the right side wall of the first discharging hole (32), the baffle (33) can plug the first discharging hole (32), a control mechanism is arranged on the screening mechanism, the control mechanism can control the baffle (33) to open the first discharging hole (32) when the baffle (33) moves to the lower end of the containing tank (1), a sealing plate (34) is fixedly connected to the front end and the rear end of the triangular plate (31), and a filtering hole (35) is formed in the left side plate of the triangular plate (31).
The control mechanism comprises a fan-shaped shell (41), the outer side wall of the containing tank (1) is rotationally connected with the fan-shaped shell (41), the fan-shaped shell (41) is externally connected with a fixing mechanism, the discharging mechanism (7) is fixedly connected with the lower end of the fan-shaped shell (41), a torsion spring is arranged at the joint of the baffle (33) and the containing tank (1), a vent hole (42) is formed in the mounting plate (21) at the rear end, and an air pump is externally connected with the vent hole (42);
the filter hole (35) is close to one side of the outer wall of the containing tank (1) and is provided with a through rod (51), the through rods (51) are fixedly connected with a connecting rod (52) together, the front end and the rear end of the connecting rod (52) are fixedly connected with a sliding rod (53), the sliding rod (53) is elastically and slidably connected with a sealing plate (34), the end face of the sealing plate (34) is slidably connected with an arc push rod (54), the arc push rod (54) is provided with a sensing mechanism, and the sensing mechanism can push the arc push rod (54) to the axis direction of the containing tank (1) and then reset after the filter hole (35) is blocked;
the touch sensing mechanism comprises a fixed plate (61), the fixed plate (61) is fixedly connected with the side wall of the sealing plate (34), and a threaded cylinder (62) penetrates through the fixed plate (61) and is connected with the fixed plate in an elastic sliding manner; the automatic discharging device is characterized in that a reciprocating screw rod (63) is arranged on the inner wall of one end of the threaded cylinder (62), the reciprocating screw rod (63) can be in threaded connection with the threaded cylinder (62), the threaded start of the reciprocating screw rod (63) is not contacted with the threaded start of the inner wall of the threaded cylinder (62) in an initial state, the reciprocating screw rod (63) is fixedly connected with an arc-shaped push rod (54), a straight rod (64) is fixedly connected with the inner wall of the other end of the threaded cylinder (62), a first gear (67) is fixedly connected with the straight rod (64), a hydraulic cylinder (68) is fixedly connected to the fixed plate (61) in a penetrating manner, an elastic telescopic rod (69) is connected to the inner wall of one end of the hydraulic cylinder (68) close to the first gear (67) in a sliding and sealing manner, a piston rod (610) is connected to the inner wall of one end of the hydraulic cylinder (68) far away from the first gear (67) in a sliding and sealing manner, a telescopic connecting rod (611) is connected to the end of the piston rod (610), a second gear (612) is fixedly connected to the end of the piston rod (611), and the second gear (612) is fixedly connected to the first gear (33) in a rotary position on the discharge port (32); the inner side wall of the fan-shaped shell (41) is fixedly connected with a toothed ring (613), and the toothed ring (613) is meshed with the first gear (67);
along with the rotation of the containing tank (1), a first gear (67) on the sealing plate (34) rotates around the axis of the containing tank (1), and the further first gear (67) moves relative to the toothed ring (613) so as to enable the first gear (67) to rotate; when the baffle plate (33) is in an open state, the threaded cylinder (62) is in an initial state, the threaded cylinder (62) is not meshed with the reciprocating screw rod (63), and the threaded cylinder (62) idles under the drive of the first gear (67); when the baffle (33) is closed, in the closing process, the baffle (33) drives the piston rod (610) to move towards the direction away from the left side wall of the triangular plate (31) through the second gear (612) and the telescopic connecting rod (611), the further piston rod (610) enables the elastic telescopic rod (69) to move towards the direction away from the left side wall of the triangular plate (31) through negative pressure generated in the hydraulic cylinder (68), the further thread cylinder (62) is driven to move towards the direction away from the left side wall of the triangular plate (31), threads on the inner wall of the thread cylinder (62) are meshed with the reciprocating screw rod (63), the reciprocating screw rod (63) is further enabled to conduct one-time telescopic action, the through rod (51) is enabled to conduct one-time cleaning on the filtering holes (35), then after the filtering holes (35) are cleaned, the baffle (33) can be opened, the thread cylinder (62) is kept at the initial position, and when the baffle (33) is in the limit state of the sector-shaped shell (41), the corresponding through rod (51) can conduct repeated cleaning on the filtering holes (35), and smoothness of the filtering holes (35) when the filtering holes (35) begin to screen working is guaranteed.
2. A thermal power plant according to claim 1, characterized in that: and a chamfer is formed at the end part of the through rod (51).
3. A thermal power generation assisting method, which is applied to a thermal power generation assisting apparatus according to claim 2, characterized in that; the method comprises the following steps:
s1, during working, coal which is not crushed is directly input into a crushing mechanism, crushed by the crushing mechanism and falls into a containing tank (1);
s2, enabling the crushed coal to fall into the lower side position in the containing tank (1) under the action of gravity, filtering by a screening mechanism on the side wall of the containing tank (1), and enabling the coal with smaller particle size to enter a discharging mechanism (7) through the screening mechanism and be transported out of the device;
s3, carrying and rotating the coal with larger particles by the screening mechanism to the upper part of the crushing mechanism along with the rotation process of the containing tank (1), and then falling into the crushing mechanism again for re-crushing.
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| CN115318362A (en) | 2022-11-11 |
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Effective date of registration: 20231018 Address after: Chengkou Town, Wudi County, Binzhou City, Shandong Province Applicant after: DATANG LUBEI POWER GENERATION Co.,Ltd. Address before: No.108, ganjiabian East, Yaohua street, Qixia District, Nanjing, Jiangsu Province, 210046 Applicant before: Gu Xiaolu |
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