CN115318362A - Thermal power generation auxiliary equipment and method - Google Patents
Thermal power generation auxiliary equipment and method Download PDFInfo
- Publication number
- CN115318362A CN115318362A CN202210899911.7A CN202210899911A CN115318362A CN 115318362 A CN115318362 A CN 115318362A CN 202210899911 A CN202210899911 A CN 202210899911A CN 115318362 A CN115318362 A CN 115318362A
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- coal
- power generation
- screening
- thermal power
- containing tank
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- 238000010248 power generation Methods 0.000 title claims abstract description 24
- 238000000034 method Methods 0.000 title claims abstract description 21
- 230000007246 mechanism Effects 0.000 claims abstract description 133
- 239000000463 material Substances 0.000 claims abstract description 109
- 239000003245 coal Substances 0.000 claims abstract description 97
- 238000012216 screening Methods 0.000 claims abstract description 57
- 238000007599 discharging Methods 0.000 claims abstract description 11
- 239000008187 granular material Substances 0.000 claims abstract description 11
- 239000002245 particle Substances 0.000 claims abstract description 11
- 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 16
- 238000007789 sealing Methods 0.000 claims description 8
- 230000005484 gravity Effects 0.000 claims description 6
- 238000010298 pulverizing process Methods 0.000 claims description 6
- 230000000149 penetrating effect Effects 0.000 claims description 5
- 206010024796 Logorrhoea Diseases 0.000 claims description 3
- 239000011148 porous material Substances 0.000 claims 1
- 238000005096 rolling process Methods 0.000 abstract 1
- 238000002485 combustion reaction Methods 0.000 description 3
- 238000000227 grinding Methods 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 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
- 230000032258 transport Effects 0.000 description 1
Images
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
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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
- 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
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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
- 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
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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
- B02C4/28—Details
Abstract
The invention discloses thermal power generation auxiliary equipment and a thermal power generation auxiliary method in the technical field of thermal power generation, and the thermal power generation auxiliary equipment comprises 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 rotatably 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 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 mechanisms are used for screening crushed carbon above the discharging mechanism and bringing large-particle coal into the crushing mechanism again along with the rotation of the material containing tank for crushing; drive screening mechanism through holding the rotation of material jar and rotate, filter the coal after smashing to carry the great coal of granule and rotate and fall into the rubbing crusher structure again in and smash again above the rubbing crusher structure, prevent that the great coal in the equipment from blockking up screening mechanism, through holding the rotation of material jar, drive the continuous rolling of coal simultaneously, increase screening efficiency.
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
The thermal power generation mainly generates power through heat energy generated by coal combustion, coal needs to be made into coal powder before the coal combustion so as to increase the combustion utilization rate of the coal, and further, before the coal is ground into powder, the coal needs to be subjected to coarse grinding and crushing firstly, so that the coal is easy to remove impurities, and the processing strength in the subsequent grinding process is reduced.
Among the current breaker, need pass through the filter screen with the coal after the breakage and filter, make the less qualified coal output device of broken degree of granule, carry out next process, and intercept the great coal of the incomplete granule of breakage, treat follow-up broken once more, this in-process, the mesh is blockked up easily to the coal of at first big granule, make the unable equipment that leaves through the filter screen of granule coal, cause the coal to pile up, secondly the coal under the filter screen interception needs to be taken out earlier, then add equipment again and carry out the breakage, equipment or artificial work load have been increased.
Based on the above, the invention designs a thermal power generation auxiliary device and a method to solve the above problems.
Disclosure of Invention
The invention aims to provide thermal power generation auxiliary equipment and a thermal power generation auxiliary method, and aims to solve the problem that in the prior crushing device provided by the background art, crushed coal needs to be filtered by a filter screen, so that the coal output equipment with smaller particles and qualified crushing degree is subjected to the next process, the coal with incomplete crushing and larger particles is intercepted, and the coal is crushed again later.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a thermal power auxiliary assembly, is including holding material jar, a plurality of screening mechanism, rubbing crusher structure, discharge mechanism and external actuating mechanism, rubbing crusher structure rotates to set up and is holding material jar axle center department, and is a plurality of screening mechanism is the embedded setting of circumference array and holds material jar lateral wall, discharge mechanism is fixed to be set up and is holding material jar lower extreme, actuating mechanism is used for the drive to hold material jar and rotates, screening mechanism is used for screening garrulous carbon and with large granule coal along with holding material jar rotation when discharge mechanism top and brings into rubbing crusher structure again and smashes.
As a further scheme of the invention, the crushing mechanism comprises two mounting plates which are symmetrically arranged in the front and back direction, the two mounting plates are respectively rotatably connected with the front side wall and the back side wall of the material containing tank, a plurality of crushing rollers which are arranged in a transverse linear array are jointly rotatably connected between the mounting plates, the mounting plate at the front end is positioned above the crushing rollers and is provided with a feed inlet in a penetrating way, the feed inlet is externally connected with a material conveying mechanism, and the material conveying mechanism is used for conveying coal into the crushing mechanism.
According to a further scheme of the invention, the screening mechanism comprises a triangular plate, the triangular plate is arranged on the inner wall of the material containing tank, first discharge ports are formed in the positions, corresponding to the triangular plate, of the side wall of the material containing tank, the left side wall of the triangular plate is hinged to the side wall of the first discharge port, the right side wall of the triangular plate is fixedly connected with the inner wall of the material containing tank, a baffle is rotatably connected to the right side wall of the first discharge port and can block the first discharge port, the screening mechanism is provided with a control mechanism, when the baffle runs to the lower end position of the material containing tank, the control mechanism can control the baffle to open the first discharge port, a sealing plate is fixedly connected to the front end and the rear end of the triangular plate, and a filter hole is formed in the left side plate of the triangular plate.
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 rotatably 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 torsional spring is arranged at the joint of the baffle and the material containing tank, the mounting plate at the rear end is provided with a vent hole, and the vent hole is externally connected with an air pump.
As a further scheme of the invention, through rods are arranged on one sides of the filtering holes close to the outer wall of the material containing tank, the through rods are jointly and fixedly connected with connecting rods, sliding rods are fixedly connected to the front ends and the rear ends of the connecting rods, the sliding rods are elastically and slidably connected with a closing plate, an arc-shaped push rod is slidably connected to the end face of the closing plate, the arc-shaped push rod is provided with a touch mechanism, and the touch mechanism can push the arc-shaped push rod in the axis direction of the material containing tank after the filtering holes are blocked and then reset.
As a further scheme of the invention, the touch mechanism comprises a fixed plate, the fixed plate is fixedly connected with the side wall of the closing plate, and a threaded cylinder is connected to the fixed plate in a penetrating and elastic sliding manner; the inner wall of one end of the threaded cylinder is provided with a reciprocating lead screw, the reciprocating lead screw can be in threaded connection with the threaded cylinder, the thread start end of the reciprocating lead screw is not in contact with the thread start end of the inner wall of the threaded cylinder in an initial state, the reciprocating lead screw is fixedly connected with the 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 penetrates through and is fixedly connected with the fixed plate, the inner wall of one end, close to the first gear, of the hydraulic cylinder is in sliding sealing connection with an elastic telescopic rod, the elastic telescopic rod is in sliding connection with the end face of the first gear, the inner wall of one end, far away from the first gear, of the hydraulic cylinder is in sliding sealing connection with a piston rod, the end of the piston rod is in rotating connection with a telescopic connecting rod, the telescopic connecting rod is fixedly connected with a second gear, and the second gear is fixedly connected with the rotating connection position of the baffle plate on the first discharge port; the fan-shaped shell cover inside wall fixedly connected with ring gear, ring gear and first gear meshing.
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, when the coal pulverizer works, the un-pulverized coal is directly input into a pulverizing mechanism, pulverized by the pulverizing mechanism and falls into a material containing tank;
s2, the crushed coal falls into the lower side position of the material containing tank under the action of gravity and is filtered through a screening mechanism on the side wall of the material containing tank, and the coal with smaller particle size enters discharge mechanism conveying equipment through the screening mechanism;
and S3, in the rotating process of the coal with larger particles along with the material containing tank, the coal is carried by the screening mechanism to rotate above the crushing mechanism and fall into the crushing mechanism again for crushing again.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, the screening mechanism is driven to rotate by the rotation of the material containing tank, the crushed coal is filtered, and the coal with larger particles is carried and rotated above the crushing mechanism and falls into the crushing mechanism again for re-crushing, so that the screening mechanism is prevented from being blocked by the larger coal in the equipment, and meanwhile, the coal is driven to continuously roll by the rotation of the material containing tank, and the screening efficiency is increased.
2. According to the invention, the triangular plate is arranged and the two side walls of the triangular plate are used for respectively screening and transporting coal, so that the screened coal can directly fall into the crushing mechanism again to be crushed along with the transportation of the triangular plate to the upper end of the material containing tank, the continuity of the whole equipment is stronger, the crushed coal can be secondarily crushed after being screened in batches, and the equipment is not easy to block by the coal.
3. According to the invention, the air is blown into the material containing tank by the air pump, so that the coal screening efficiency is accelerated, the probability that smaller coal cannot pass through the filter 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 front sectional view of the present invention;
FIG. 3 is a schematic structural view of the present invention with the discharge mechanism and the fan-shaped housing removed;
FIG. 4 is a schematic view of the structure of FIG. 3 with the toothed ring and a closing plate removed;
FIG. 5 is an enlarged view of the structure at A in FIG. 4;
fig. 6 is a schematic flow chart of the present invention.
In the drawings, the reference numbers indicate the following list of parts:
the device comprises a material containing tank 1, a mounting plate 21, a crushing roller 22, a material inlet 23, a triangular plate 31, a first material outlet 32, a baffle 33, a closing plate 34, a filtering hole 35, a fan-shaped shell 41, a vent hole 42, a through rod 51, a connecting rod 52, a sliding rod 53, an arc push rod 54, a fixing plate 61, a threaded cylinder 62, a reciprocating screw rod 63, a straight rod 64, a first gear 67, a hydraulic cylinder 68, an elastic telescopic rod 69, a piston rod 610, a telescopic connecting rod 611, a second gear 612, a toothed ring 613 and a material outlet 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, is including holding material jar 1, a plurality of screening mechanism, rubbing crusher structure, discharge mechanism 7 and external actuating mechanism, rubbing crusher structure rotates to set up and is holding 1 axle center department of material jar, and is a plurality of screening mechanism is the embedded setting of circumference array and holds 1 lateral wall of material jar, discharge mechanism 7 is fixed to be set up and is holding 1 lower extreme of material jar, actuating mechanism is used for the drive to hold material jar 1 and rotates, screening mechanism is used for when discharge mechanism 7 top screening garrulous carbon and with large granule coal along with holding 1 rotations of material jar and bring in rubbing crusher structure again smashes.
During operation, in the crushing mechanism is directly input to uncrushed coal, fall into holding material jar 1 after smashing through crushing mechanism, the coal after smashing this moment falls into the downside position in holding material jar 1 under the action of gravity, 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 equipment, the great coal of granule along with holding material jar 1 rotation in-process, carry by screening mechanism and rotate to the crushing mechanism top and fall into crushing mechanism once more and smash again, so reciprocal, make the coal in the equipment when smashing the great unable through screening mechanism leave equipment of back granule, can get into crushing mechanism again through holding material jar 1 pivoted mode and smash, prevent that the great coal in the equipment from blockking up screening mechanism, simultaneously through holding the rotation of material jar 1, drive coal and constantly roll, increase screening efficiency.
According to the invention, the screening mechanism is driven to rotate by the rotation of the material containing tank 1, the crushed coal is filtered, and the coal with larger particles is carried and rotated above the crushing mechanism to fall into the crushing mechanism again for re-crushing, so that the screening mechanism is prevented from being blocked by the larger coal in the equipment, and meanwhile, the coal is driven to roll continuously by the rotation of the material containing tank 1, and the screening efficiency is increased.
As a further scheme of the invention, the crushing mechanism comprises two mounting plates 21 which are symmetrically arranged in the front and back direction, the two mounting plates 21 are respectively rotatably connected with the front and back side walls of the material containing tank 1, a plurality of crushing rollers 22 which are arranged in a transverse linear array are jointly and rotatably connected between the mounting plates 21, a feed inlet 23 is formed in the mounting plate 21 at the front end above the crushing rollers 22 in a penetrating manner, a material conveying mechanism is externally connected to the feed inlet 23, and the material conveying mechanism is used for conveying coal into the crushing mechanism.
When the coal conveying device works, the conveying mechanism conveys coal into the crushing mechanism, the coal falls on the crushing roller 22 under the action of gravity, the crushing roller 22 crushes the coal, and the crushed coal falls on 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 material containing tank 1, the positions, corresponding to the triangular plate 31, of the side wall of the material containing tank 1 are provided with first material outlets 32, the left side wall of the triangular plate 31 is hinged to the side wall of the first material outlet 32, the right side wall of the triangular plate 31 is fixedly connected with the inner wall of the material containing tank 1, the right side wall of the first material outlet 32 is rotatably connected with a baffle 33, the baffle 33 can block the first material outlet 32, the screening mechanism is provided with a control mechanism, the control mechanism can control the baffle 33 to open the first material outlet 32 when the baffle 33 runs to the lower end position of the material containing tank 1, the front end and the rear end of the triangular plate 31 are fixedly connected with a sealing plate 34, and the left side plate of the triangular plate 31 is provided with a filtering hole 35.
When the coal screening device works, crushed coal falls on the upper end of the triangular plate 31, the coal is screened through the filtering hole 35 in 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, the fine coal enters the first discharge hole 32 through the filtering hole 35 in 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 fine coal falls into the discharge mechanism 7 through the first discharge hole 32 and is transported out of the equipment; in the process, the larger coal on the left side plate of the triangular plate 31 which cannot pass through the filter holes 35 rolls to the right side wall of the left triangular plate 31 along with the rotation of the material containing tank 1, and is driven by the right side wall of the triangular plate 31 to rotate along the outline of the material containing tank 1 until the coal reaches the triangular plate 31 on the upper end of the material containing tank 1, so that the larger coal slides downwards 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 plate 31 is arranged and the two side walls of the triangular plate 31 are used for respectively screening and transporting coal, so that the screened coal can directly fall into the crushing mechanism again to be crushed along with the transportation of the triangular plate 31 to the upper end of the material containing tank 1, the continuity of the whole equipment is stronger, the crushed coal can be secondarily crushed after being screened in batches, and the coal is not easy to block the equipment.
As a further scheme of the present invention, the control mechanism includes a fan-shaped casing 41, the outer side wall of the material containing tank 1 is rotatably connected with the fan-shaped casing 41, the fan-shaped casing 41 is externally connected with a fixing mechanism, the discharging mechanism 7 is fixedly connected with the lower end of the fan-shaped casing 41, a torsion spring is arranged at the joint of the baffle 33 and the material containing tank 1, the mounting plate 21 at the rear end is provided with a vent hole 42, and the vent hole 42 is externally connected with an air pump.
When the coal screening device works, the air pump blows air into the material containing tank 1, the airflow acts on the baffle 33 through the filtering holes 35, so that the baffle 33 has a tendency of opening, when the baffle 33 runs to the notch of the fan-shaped shell sleeve 41, namely the position above the discharging mechanism 7, the baffle 33 is opened under the action of the airflow due to the fact that the position of the fan-shaped shell sleeve 41 is not limited, further airflow enters the discharging mechanism 7 through the first discharging hole 32 where the baffle 33 is located, in the process, the airflow can drive small coal to pass through the filtering holes 35 and enter the discharging mechanism 7, and therefore the coal screening efficiency is improved; then, with the rotation of the material containing tank 1, the baffle 33 enters the fan-shaped housing 41 along with the material containing tank 1, and under the extrusion of the fan-shaped housing 41, the baffle 33 is closed and the first material outlet 32 cannot continuously leak materials.
According to the invention, the air is blown into the material containing tank 1 by the air pump, so that the coal screening efficiency is accelerated, the probability that smaller coal cannot pass through the filter 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 present invention, through rods 51 are respectively arranged on one sides of the filtering holes 35 close to the outer wall of the material containing tank 1, the through rods 51 are jointly and fixedly connected with connecting rods 52, sliding rods 53 are respectively and fixedly connected to the front and rear ends of the connecting rods 52, the sliding rods 53 are elastically and slidably connected with the closing plate 34, an arc push rod 54 is slidably connected to the end surface 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 in the axis direction of the material containing tank 1 after the filtering holes 35 are blocked and then reset.
When the coal screening device works, after the filtering holes 35 are gradually blocked along with long-term work, the touch mechanism pushes the arc push rods 54 towards the axis direction of the material containing tank 1, the further arc push rods 54 push the through rods 51 into the filtering holes 35 through the connecting rods 52, so that coal blocked in the filtering holes 35 is pushed into the material containing tank 1, then the arc push rods 54 reset, the sliding rods 53 reset under the action of the elastic pieces, the through rods 51 reset through the connecting rods 52, and the filtering holes 35 are enabled to be unblocked again for screening work.
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 equipment can automatically clean the filter hole 35, so that the equipment can be further ensured to work at a higher working efficiency, and the stability of the equipment is improved.
As a further scheme of the present invention, the touch sensing mechanism includes a fixing plate 61, the fixing plate 61 is fixedly connected with the side wall of the closing plate 34, and a threaded cylinder 62 is elastically and slidably connected to the fixing plate 61 in a penetrating manner; the inner wall of one end of the threaded cylinder 62 is provided with a reciprocating screw rod 63, the reciprocating screw rod 63 can be in threaded connection with the threaded cylinder 62, the thread opening end of the reciprocating screw rod 63 is not in contact with the thread opening end of the inner wall of the threaded cylinder 62 in an initial state, the reciprocating screw rod 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, a hydraulic cylinder 68 penetrates through and is fixedly connected with the fixing plate 61, the inner wall of one end, close to the first gear 67, of the hydraulic cylinder 68 is in sliding sealing connection with an elastic telescopic rod 69, the elastic telescopic rod 69 is in sliding connection with the end face of the first gear 67, the inner wall of one end, far away from the first gear 67, of the hydraulic cylinder 68 is in sliding sealing connection with a piston rod 610, the end of the piston rod 610 is in rotating connection with a telescopic connecting rod 611, the telescopic connecting rod 611 is fixedly connected with a second gear 612, and the second gear 612 is fixedly connected with the rotating connection position of the baffle 33 on the first discharge port 32; a gear ring 613 is fixedly connected to the inner side wall of the sector casing 41, and the gear ring 613 is engaged with the first gear 67.
During operation, as the material containing tank 1 rotates, the first gear 67 on the closing plate 34 rotates around the axis of the material containing tank 1, and the first gear 67 further moves relative to the gear 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, at this time, the threaded cylinder 62 is not meshed with the reciprocating screw 63, and the threaded cylinder 62 idles under the driving 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 threaded 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 threaded cylinder 62 are meshed with the reciprocating screw rod 63, the reciprocating screw rod 63 further conducts a telescopic action, the through rod 51 cleans the filter hole 35 once, after the filter hole 35 is cleaned, the baffle 33 can be opened, the threaded cylinder 62 keeps the initial position, wherein when the baffle 33 is in the limiting state of the fan-shaped housing 41, the corresponding through rod 51 cleans the filter hole 35 repeatedly, and smoothness of the filter hole 35 when the screening work is started is ensured.
In a further aspect of the present invention, the end of the through rod 51 is chamfered.
The through rod 51 can enter the filter hole 35 more smoothly by chamfering.
A thermal power generation assisting method comprises the following steps:
s1, when the coal pulverizer works, the un-pulverized coal is directly input into a pulverizing mechanism, pulverized by the pulverizing mechanism and falls into a material containing tank 1;
s2, the crushed coal falls into the lower side position in the material containing tank 1 under the action of gravity, and is filtered through a screening mechanism on the side wall of the material containing tank 1, wherein the coal with smaller particle size enters a discharging mechanism 7 through the screening mechanism and is transported out of the equipment;
and S3, in the rotating process of the coal with larger particles along with the material containing tank 1, the coal is carried by the screening mechanism to rotate above the crushing mechanism and fall into the crushing mechanism again for crushing again.
Claims (8)
1. A thermal power generation auxiliary apparatus characterized in that: including holding material jar (1), a plurality of screening mechanism, rubbing crusher constructs, discharge mechanism (7) and external actuating mechanism, rubbing crusher constructs to rotate to set up and is holding material jar (1) axle center department, and is a plurality of screening mechanism is the embedded setting of circumference array and holds material jar (1) lateral wall, discharge mechanism (7) are fixed to be set up and are holding material jar (1) lower extreme, actuating mechanism is used for driving and holds material jar (1) and rotate, screening mechanism is used for when discharge mechanism (7) top screening garrulous carbon and with the large granule coal along with holding material jar (1) rotate to bring the rubbing crusher structure into again and smash.
2. A thermal power generation auxiliary apparatus according to claim 1, characterized in that: rubbing crusher constructs two mounting panel (21) that the symmetry set up around including, two mounting panel (21) rotate with the lateral wall around holding material jar (1) respectively and are connected, rotate jointly between mounting panel (21) and be connected with a plurality of crushing rollers (22) that are horizontal linear array and arrange, the front end mounting panel (21) are located crushing roller (22) top and run through and have seted up feed inlet (23), feed inlet (23) are external to have defeated material mechanism, defeated material mechanism is arranged in carrying coal to rubbing crusher constructs.
3. A thermal power generation auxiliary apparatus according to claim 2, characterized in that: screening mechanism includes set-square (31), set-square (31) set up and hold material jar (1) inner wall, hold material jar (1) lateral wall and correspond set-square (31) department and all seted up first discharge gate (32), set-square (31) left side wall is articulated with first discharge gate (32) lateral wall, set-square (31) right side wall and hold material jar (1) inner wall fixed connection, first discharge gate (32) right side wall rotates and is connected with baffle (33), baffle (33) can plug up first discharge gate (32), screening mechanism is provided with control mechanism, control mechanism can control baffle (33) and open first discharge gate (32) when baffle (33) moves to material jar and holds (1) lower extreme position, set-square (31) front and back end fixedly connected with closing plate (34), filtration pore (35) have been seted up in set-square (31) left side.
4. A thermal power generation auxiliary apparatus according to claim 3, characterized in that: control mechanism includes fan-shaped shell (41), it is connected with fan-shaped shell (41) rotation to hold material jar (1) lateral wall, fan-shaped shell (41) are external to have fixed establishment, discharge mechanism (7) and fan-shaped shell (41) lower extreme fixed connection, baffle (33) are provided with the torsional spring with holding material jar (1) junction, the rear end air vent (42) have been seted up in mounting panel (21), air vent (42) are external to have the air pump.
5. A thermal power generation auxiliary apparatus according to claim 4, characterized in that: filter hole (35) and all be provided with logical pole (51) near holding material jar (1) outer wall one side, lead to the common fixedly connected with connecting rod (52) of pole (51), the equal fixedly connected with slide bar (53) of connecting rod (52) front and back end, slide bar (53) and closing plate (34) elasticity sliding connection, closing plate (34) terminal surface sliding connection has arc push rod (54), arc push rod (54) are provided with and sense the mechanism, sense and sense the mechanism and can block up after filtering hole (35) and promote arc push rod (54) and then reset to holding material jar (1) axle center direction.
6. A thermal power generation auxiliary apparatus according to claim 5, characterized in that: the touch 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 mode; the inner wall of one end of the threaded cylinder (62) is provided with a reciprocating screw rod (63), the reciprocating screw rod (63) can be in threaded connection with the threaded cylinder (62), the thread opening end of the reciprocating screw rod (63) is in an initial state and is not in contact with the thread opening end of the inner wall of the threaded cylinder (62), the reciprocating screw rod (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 fixing plate (61) is fixedly connected with a hydraulic cylinder (68) in a penetrating mode, the inner wall of one end, close to the first gear (67), of the hydraulic cylinder (68) is in sliding sealing connection with an elastic telescopic rod (69), the elastic telescopic rod (69) is in sliding connection with the end face of the first gear (67), the inner wall of one end, far away from the first gear (67), of the hydraulic cylinder (68) is in sliding sealing connection with a piston rod (610), the end of the telescopic rod (611) is in rotating connection with a second gear (612), and the second gear (612) is in rotating connection with a discharge hole (32) at the first baffle (33); the inner side wall of the fan-shaped shell (41) is fixedly connected with a gear ring (613), and the gear ring (613) is meshed with a first gear (67).
7. A thermal power generation auxiliary apparatus according to claim 6, characterized in that: the end part of the through rod (51) is provided with a chamfer.
8. A thermal power generation assisting method applied to a thermal power generation assisting apparatus according to claim 7; the method comprises the following steps:
s1, when the coal pulverizer works, the un-pulverized coal is directly input into a pulverizing mechanism, pulverized by the pulverizing mechanism and falls into a material containing tank (1);
s2, the crushed coal falls into the lower side position in the material containing tank (1) under the action of gravity and is filtered through a screening mechanism on the side wall of the material containing tank (1), and the coal with smaller particle size enters a discharging mechanism (7) through the screening mechanism and is transported out of the equipment;
s3, in the rotating process of the coal with larger particles along with the material containing tank (1), the coal is carried by the screening mechanism to rotate above the crushing mechanism and fall into the crushing mechanism again for crushing again.
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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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