CN113091087B - Thermal power unloading intelligence control system - Google Patents
Thermal power unloading intelligence control system Download PDFInfo
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- CN113091087B CN113091087B CN202110433280.5A CN202110433280A CN113091087B CN 113091087 B CN113091087 B CN 113091087B CN 202110433280 A CN202110433280 A CN 202110433280A CN 113091087 B CN113091087 B CN 113091087B
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- coal
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23N—REGULATING OR CONTROLLING COMBUSTION
- F23N1/00—Regulating fuel supply
- F23N1/005—Regulating fuel supply using electrical or electromechanical means
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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
- B02C19/00—Other disintegrating devices or methods
- B02C19/20—Disintegrating by grating
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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
- B02C23/16—Separating or sorting of material, associated with crushing or disintegrating with separator defining termination of crushing or disintegrating zone, e.g. screen denying egress of oversize material
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23K—FEEDING FUEL TO COMBUSTION APPARATUS
- F23K1/00—Preparation of lump or pulverulent fuel in readiness for delivery to combustion apparatus
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23K—FEEDING FUEL TO COMBUSTION APPARATUS
- F23K3/00—Feeding or distributing of lump or pulverulent fuel to combustion apparatus
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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
- B02C23/16—Separating or sorting of material, associated with crushing or disintegrating with separator defining termination of crushing or disintegrating zone, e.g. screen denying egress of oversize material
- B02C2023/165—Screen denying egress of oversize material
Abstract
The invention discloses a thermal power generation blanking intelligent control system, which comprises an equipment operation system, a blanking module, a grinding module and a combustion module, wherein the equipment operation system comprises a blanking module, a grinding module and a combustion module; the blanking module is used for blanking coal and connecting other modules; the grinding module is used for processing and grinding coal into powder; the combustion module is connected with the blanking module and used for receiving the ground coal and combusting the ground coal; and the control system is connected with the equipment operation system and comprises a control module for controlling the start and stop of the other modules. The invention has the advantages that the operation of the whole equipment is controlled, the automatic production is realized in the blanking process, the labor cost is reduced, the working efficiency is improved, and the combustion efficiency of coal is improved and the production cost is reduced by improving the existing system.
Description
Technical Field
The invention relates to the technical field of coal blanking, in particular to an intelligent control system for thermal power generation blanking.
Background
Coal is a solid combustible mineral formed gradually by ancient plants buried underground and undergoing complex biochemical and physicochemical changes. Coal is known as black gold by people and is industrial food, which is one of main energy sources used in the human world since the eighteenth century, and since the twenty-first century, although the value of coal is not as high as before, coal is one of indispensable energy sources for production and life of human beings at present and in a long time in the future after all, the supply of coal is also related to the stability of the development of the industry of China and the aspect of the whole society, and the problem of the supply safety of coal is also the most important part in the energy safety of China. China has a plurality of thermal power plants, and most of the thermal power plants adopt coal as fuel. However, coal is not directly fed into the furnace for combustion and it is necessary to pulverize the coal first. Thus, the greater the contact area with oxygen during combustion, the more intense the combustion. Therefore, the coal is pulverized and then burnt so as to improve the combustion rate of the coal and avoid the waste of resources. However, the whole process in the existing thermal power generation system can not be operated automatically, the efficiency is low, the labor intensity is high, and the combustion efficiency of coal is low and the production cost is high in the process. Therefore, the intelligent control system for thermal power generation blanking is provided by the technical personnel in the field to solve the problems in the background.
Disclosure of Invention
This section is for the purpose of summarizing some aspects of embodiments of the invention and to briefly introduce some preferred embodiments. In this section, as well as in the abstract and the title of the invention of this application, simplifications or omissions may be made to avoid obscuring the purpose of the section, the abstract and the title, and such simplifications or omissions are not intended to limit the scope of the invention.
The present invention has been made keeping in mind the above and/or other problems occurring in the prior art.
Therefore, one of the objectives of the present invention is to provide an intelligent control system for thermal power generation feeding, which can automatically control the feeding combustion of coal and improve the combustion efficiency.
In order to solve the technical problems, the invention provides the following technical scheme: a thermal power generation blanking intelligent control system comprises an equipment operation system, a grinding module and a combustion module, wherein the equipment operation system comprises a blanking module, a grinding module and a combustion module; the blanking module is used for blanking coal and connecting other modules; the grinding module is used for processing and grinding coal into powder; the combustion module is connected with the blanking module and used for receiving the ground coal and combusting the ground coal; and the control system is connected with the equipment operation system and comprises a control module for controlling the start and stop of the other modules.
As a preferred scheme of the thermal power generation blanking intelligent control system, the thermal power generation blanking intelligent control system comprises the following steps: the equipment operation system also comprises a first storage module, a weighing transmission module, a transmission module and a second storage module; the first storage module is connected with the weighing transmission module, the weighing transmission module is connected with the grinding module, the grinding module is connected with the second storage module, and the second storage module is connected with the discharging module through the transmission module.
As a preferred scheme of the thermal power generation blanking intelligent control system, the thermal power generation blanking intelligent control system comprises the following steps: the grinding module comprises a crusher, the combustion module comprises a boiler, the first storage module comprises a coal bunker, the weighing and transmission module comprises a weighing machine and a coal feeder, the transmission module comprises a stokehole coal feeder, and the second storage module comprises a stokehole coal bunker.
As a preferred scheme of the thermal power generation blanking intelligent control system, the thermal power generation blanking intelligent control system comprises the following steps: the equipment operation system also comprises an auxiliary module connected with the blanking module; the auxiliary module comprises a dust remover and a dehumidifier and is used for removing dust and drying coal dust in the blanking process.
As a preferred scheme of the thermal power generation blanking intelligent control system, the thermal power generation blanking intelligent control system comprises the following steps: the control module adopts a PLC to control the rest modules.
As a preferred scheme of the thermal power generation blanking intelligent control system, the thermal power generation blanking intelligent control system comprises the following steps: the blanking module comprises a first blanking assembly, a stockpile grinding assembly and a second blanking assembly; the first blanking assembly is arranged above the first blanking assembly, the accumulated grinding assembly is connected with the bottom of the first blanking assembly, and the second blanking assembly is connected with the bottom of the accumulated grinding assembly; the first blanking assembly comprises a flange interface arranged at the top of the first blanking assembly and a first arc-shaped pipeline connected with the flange interface; the accumulation grinding assembly comprises a screening shell connected with the bottom of the first blanking assembly, an elastic moving member connected with the screening shell, a fixed plate connected with the screening shell, and a driving processing member arranged above the screening shell.
As a preferred scheme of the thermal power generation blanking intelligent control system, the thermal power generation blanking intelligent control system comprises the following steps: the screening shell comprises a first screening plate obliquely arranged at the bottom of the screening shell, a second screening plate horizontally arranged at the bottom of the screening shell, a third screening plate arranged below the second screening plate, a moving groove arranged at one end of the screening shell, and a connecting and fixing plate arranged above the moving groove; a gap is reserved between the third material sieving plate and the second material sieving plate in the vertical direction; the elastic moving piece comprises two groups of first hinged plates hinged with two ends of the second screening plate, a pushing block with the side surface hinged with the first hinged plate, a second hinged plate hinged with the other side of the pushing block, a movable grinding block hinged with the top of the second hinged plate, a sliding column penetrating through the middle of the pushing block and a rebound spring arranged on the sliding column; the first hinged plate and the second hinged plate are obliquely arranged, and the movable grinding block is arranged in the moving groove.
As a preferred scheme of the thermal power generation blanking intelligent control system, the thermal power generation blanking intelligent control system comprises the following steps: the fixed plate comprises a first plate fixedly connected with one end of the sliding column, a second plate fixedly connected with the side surface of the first plate, and a guide pipe sleeve fixedly connected with one end of the bottom of the second plate; the bottom of the second plate is fixedly connected with the top of the connecting and fixing plate; the driving processing piece comprises a driving motor arranged above the second plate, a driving shaft connected with the driving motor, a segmental gear connected with the driving shaft, a rack plate matched with the segmental gear, a sliding guide rail matched with the bottom of the rack plate, two groups of rack plate connecting blocks connected with two sides of the rack plate, a first swinging plate connected with the tail end of the driving shaft, a second swinging plate hinged with the first swinging plate, a pressing column hinged with the second swinging plate and a pressing block connected with the bottom of the pressing column; the bottoms of the two groups of rack plate connecting blocks are respectively connected with the second screening plate; the pressing column is arranged in the guide pipe sleeve.
As a preferred scheme of the thermal power generation blanking intelligent control system, the thermal power generation blanking intelligent control system comprises the following steps: the second blanking assembly comprises an arc bottom collecting shell arranged at the bottom of the first screening plate, a second arc-shaped pipeline arranged at the bottom of the third screening plate and a connecting flange arranged at the bottom of the second arc-shaped pipeline; the arc bottom collecting shell is communicated with a second arc pipeline; a gap is reserved in the vertical direction of the connecting fixing plate and the movable grinding block; the movable grinding block comprises a first grinding block, a second grinding block and a connecting spring; the lower surface of the first grinding block extends outwards, the upper surface of the second grinding block extends outwards, and the extending parts of the first grinding block and the second grinding block are connected through a connecting spring; the extending parts of the two are provided with a slide rail groove and a clamping block for matching.
As a preferred scheme of the thermal power generation blanking intelligent control system, the thermal power generation blanking intelligent control system comprises the following steps: and the two sides of the third material sieving plate are provided with protective plates, and the two sides of the second material sieving plate are provided with shaking grooves matched with the two groups of first hinged plates and protective grooves matched with the protective plates.
The invention has the beneficial effects that: the invention realizes automatic production in the blanking process by controlling the operation of the whole equipment, reduces the labor cost, improves the working efficiency, and improves the combustion efficiency of coal and reduces the production cost by improving the existing system.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the description below are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive labor. Wherein:
fig. 1 is an equipment structure diagram of a thermal power generation blanking intelligent control system.
Fig. 2 is a whole equipment structure diagram of the thermal power generation blanking intelligent control system.
Fig. 3 is a whole equipment structure diagram of the thermal power generation blanking intelligent control system.
Fig. 4 is a top view of a blanking module of the thermal power blanking intelligent control system.
Fig. 5 is a side view of a blanking module of the thermal power generation blanking intelligent control system.
Fig. 6 is a top view of a storage grinding assembly of the thermal power intelligent blanking control system.
Fig. 7 is a right side view of the accumulated grinding assembly of the thermal power generation blanking intelligent control system.
Fig. 8 is a bottom view of the accumulated grinding assembly of the thermal power generation intelligent blanking control system.
Fig. 9 is a side view of a storage grinding assembly of the thermal power intelligent blanking control system.
Fig. 10 is a top view of a screening shell of the thermal power generation blanking intelligent control system.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced otherwise than as specifically described herein, and it will be appreciated by those skilled in the art that the present invention may be practiced without departing from the spirit and scope of the present invention and that the present invention is not limited by the specific embodiments disclosed below.
Furthermore, reference herein to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one implementation of the invention. The appearances of the phrase "in one embodiment" in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments.
Example 1
Referring to fig. 1 to 10, a first embodiment of the present invention provides an intelligent thermal power generation blanking control system, which includes an equipment operating system M and a control system N, and the control system N controls each equipment in the equipment operating system M to ensure the operation safety of the device.
Specifically, the equipment operating system M includes a blanking module 100, a grinding module 200, and a combustion module 300; the blanking module 100 is used for blanking coal and connecting other modules; the grinding module 200 processes coal and grinds the coal into powder; the combustion module 300 is connected with the discharging module 100 and receives the ground coal for combustion.
And the control system N is connected with the equipment operation system M and comprises a control module 400 for controlling the start and stop of the other modules.
Further, the apparatus operating system M further includes a first storage module 500, a weighing and transferring module 600, a transferring module 700, and a second storage module 800; the first storage module 500 is connected with the weighing transmission module 600, the weighing transmission module 600 is connected with the grinding module 200, the grinding module 200 is connected with the second storage module 800, and the second storage module 800 is connected with the blanking module 100 through the transmission module 700.
Further, the grinding module 200 includes a crusher 201, the combustion module 300 includes a boiler 301, the first storage module 500 includes a coal bunker 501, the weighing transfer module 600 includes a weighing machine 601 and a coal feeder 602, the transfer module 700 includes a stokehole coal feeder 701, and the second storage module 800 includes a stokehole coal bunker 801.
Further, the equipment operating system M further includes an auxiliary module 900 connected to the blanking module 100; the auxiliary module 900 includes a dust collector 901 and a dehumidifier 902, and is used for removing dust and drying pulverized coal in the blanking process.
Further, the control module 400 controls the other modules by using a PLC.
The working principle of the system is as follows: the control module 400 is used for controlling other devices, so that the participation of manpower is reduced, the production cost is reduced, and the working efficiency is improved. The first storage module 500 is a coal bunker 501, a proper amount of coal is weighed through the weighing and conveying module 600 and is conveyed to the grinding module 200 for crushing treatment, the crushed carbon powder is stored in the second storage module 800 near the combustion module 300, the carbon powder in the second storage module 800 is conveyed to the feed opening of the feeding module 100 through the conveying module 700 for feeding, and the feeding module 100 is connected with the combustion module 300, so that the carbon powder is fed into the boiler 301 conveniently. When the blanking module 100 is used for blanking, the auxiliary module 900 removes dust and dehumidifies the process, so that the combustion efficiency is improved. The control module 400 controls the start and stop of the equipment by using a PLC, so as to realize automatic work.
Further, the blanking module 100 comprises a first blanking assembly 101, a stock grinding assembly 102, and a second blanking assembly 103; the first blanking assembly 101 is disposed above, the accumulation grinding assembly 102 is connected to the bottom of the first blanking assembly 101, and the second blanking assembly 103 is connected to the bottom of the accumulation grinding assembly 102.
Further, the first blanking assembly 101 includes a flange interface 101a disposed at the top thereof, and a first arc-shaped pipe 101b connected to the flange interface 101 a.
Further, the accumulation grinding assembly 102 comprises a screen shell 102a connected with the bottom of the first lower material assembly 101, an elastic moving member 102b connected with the screen shell 102a, a fixed plate member 102c connected with the screen shell 102a, and a driving processing member 102d arranged above the screen shell 102 a.
Further, the screening shell 102a comprises a first screening plate 102a-1 obliquely arranged at the bottom thereof, a second screening plate 102a-2 horizontally arranged at the bottom thereof, a third screening plate 102a-3 arranged below the second screening plate 102a-2, a moving groove 102a-4 arranged at one end of the screening shell 102a, and a connecting and fixing plate 102a-5 arranged above the moving groove 102 a-4; the third sieve material plate 102a-3 is provided with a gap Z in the direction perpendicular to the second sieve material plate 102 a-2.
Further, the elastic moving part 102b comprises two groups of first hinge plates 102b-1 hinged with two ends of the second screen material plate 102a-2, a pushing block 102b-2 hinged with the first hinge plates 102b-1 at the side, a second hinge plate 102b-3 hinged with the other side of the pushing block 102b-2, a moving grinding block 102b-4 hinged with the top of the second hinge plate 102b-3, a sliding column 102b-5 penetrating through the middle part of the pushing block 102b-2, and a rebound spring 102b-6 arranged on the sliding column 102 b-5; the first hinge plate 102b-1 and the second hinge plate 102b-3 are arranged obliquely, and the moving grinding block 102b-4 is arranged in the moving groove 102 a-4. The two ends of the rebound spring 102b-6 are respectively connected with the pushing block 102b-2 and the first plate 102c-1.
Further, the fixed plate 102c comprises a first plate 102c-1 fixedly connected with one end of the sliding column 102b-2, a second plate 102c-2 fixedly connected with the side of the first plate 102c-1, and a guide sleeve 102c-3 fixedly connected with one end of the bottom of the second plate 102 c-2; the bottom of the second plate 102c-2 is fixedly connected with the top of the connecting and fixing plate 102 a-5.
Further, the driving processing member 102d includes a driving motor 102d-1 disposed above the second plate member 102c-2, a driving shaft 102d-2 connected to the driving motor 102d-1, a notched gear 102d-3 connected to the driving shaft 102d-2, a rack plate 102d-4 engaged with the notched gear 102d-3, a slide rail 102d-5 engaged with the bottom of the rack plate 102d-4, two sets of rack plate connection blocks 102d-6 connected to both sides of the rack plate 102d-4, a first swing plate 102d-7 connected to the end of the driving shaft 102d-2, a second swing plate 102d-8 hinged to the first swing plate 102d-7, a pressing post 102d-9 hinged to the second swing plate 102d-8, and a pressing block 102d-10 connected to the bottom of the pressing post 102 d-9; the bottoms of the two groups of rack plate connecting blocks 102d-6 are respectively connected with a second screening plate 102 a-2; the pressing post 102d-9 is provided in the guide tube housing 102 c-3. The pressing column 102d-9 can move along the linear direction by arranging the guide pipe sleeve 102c-3, so that the pressing accuracy is ensured, and the energy utilization efficiency is improved. The incomplete gear 102d-3 is always rotated under the action of the driving motor 102d-1 and is periodically matched with racks on the upper inner wall and the lower inner wall of the rack plate 102d-4, so that the rack plate 102d-4 periodically reciprocates on the sliding guide rail 102d-5, and the second screening plate 102a-2 connected with the rack plate 102d-4 through the rack plate connecting block 102d-6 continuously shakes to facilitate the falling of powder; and the pressing column 102d-9 is pulled to move up and down in the guide socket 102c-3 by the rotation of the first swing plate 102d-7 provided at the end of the driving shaft 102d-2 and the second swing plate 102d-8 hinged thereto, thereby realizing the continuous up and down movement of the pressing block 102 d-10. It should be noted that the lowest point of the press block 102d-10 falling does not contact the coal briquette, and the press block 102d-10 is disposed at the side of the press opening close to the first arc pipe 101b.
Further, the second blanking assembly 103 comprises an arc bottom collecting shell 103a arranged at the bottom of the first sieve plate 102a-1, a second arc-shaped pipeline 103b arranged at the bottom of the third sieve plate 102a-3, and a connecting flange 103c arranged at the bottom of the second arc-shaped pipeline 103 b; the arc bottom collection shell 103a is communicated with the second arc-shaped pipeline 103 b. All the sieve plates are provided with sieve openings which are convenient for the coal powder to fall, and the arc bottom collecting shell 103a collects the coal powder falling through the first sieve plate 102a-1, collects the coal powder into the second arc-shaped pipeline 103b, and finally falls into the furnace through the second arc-shaped pipeline 103 b.
Further, a gap is reserved between the connecting and fixing plate 102a-5 and the movable grinding block 102b-4 in the vertical direction; the moving grinding block 102b-4 comprises a first grinding block 102b-41, a second grinding block 102b-42 and a connecting spring 102b-43; the lower surfaces of the first grinding blocks 102b-41 extend outwards, the upper surfaces of the second grinding blocks 102b-42 extend outwards, and the extending parts of the first grinding blocks and the second grinding blocks are connected through the connecting springs 102b-43; the extending parts of the two are provided with a slide rail groove and a clamping block for matching. Through the cooperation of the slide rail groove and the clamping block, the second grinding blocks 102b-42 can vertically fall after being extruded by the pressing block 102d-10, so that the second grinding blocks are prevented from shaking, and the stability of the device is improved.
In use, the primarily ground coal powder is fed from the top of the first feeding assembly 101, and then the driving motor 102d-1 is turned on to start the operation of the device. In the falling process of the coal powder, the first sieve material plate 102a-1 which is obliquely arranged is used for primary sieving, and the coal powder falls into the arc-bottom collecting shell 103a through the sieve material port on the first sieve material plate 102a-1 and finally flows into the second arc-shaped pipeline 103 b. Part of the powdered coal and the coal blocks which are not completely ground fall on the second screening plate 102a-2 along the first screening plate 102a-1, and the remaining powdered coal falls down and the coal blocks are accumulated on the second screening plate 102a-2 by screening the part of the powdered coal and the coal blocks again through the swaying second screening plate 102 a-2; along with the accumulation of the coal blocks, the second sieve material plate 102a-2 can slowly fall down to be gradually attached to the third sieve material plate 102a-3; during the falling of the second sieve material plate 102a-2, the first hinged plate 102b-1 hinged with the two sides thereof pushes the pushing block 102b-2 to press the rebound spring 102b-6 along the length direction of the sliding column 102b-5, the second hinged plate 102b-3 hinged with the pushing block 102b-2 pushes the moving grinding block 102b-4 to move in the moving groove 102a-4 under the action of the pushing block 102b-2, when the second sieve material plate 102a-2 falls to be attached to the third sieve material plate 102a-3, the moving grinding block 102b-4 is pushed to the lower part of the pressing block 102d-10, and under the action of the pressing block 102d-10, the second grinding block 102b-42 is pressed into the sieve material shell 102a to crush the accumulated coal blocks. After the accumulated coal blocks are crushed and fall through the second sieve material plate 102a-2, the second sieve material plate 102a-2 gradually rises under the action of the rebound spring 102b-6 and returns to the initial position, and the movable grinding block 102b-4 is dragged back to the initial position under the action of the second hinged plate 102b-3, so that the next blanking is facilitated. Through improving the pipeline of current pay-off unloading, remain throughout to screen coal powder at the unloading in-process to carry out secondary operation to the coal piece that screens out, the whole process automation goes on, practices thrift manufacturing cost, makes the more abundant of coal burning in the stove, improves the combustion rate of coal.
In conclusion, the operation of the whole equipment is controlled, the automatic production is realized in the feeding process, the labor cost is reduced, the working efficiency is improved, the existing system is improved, the combustion efficiency of coal is improved, and the production cost is reduced.
Example 2
Referring to fig. 6 and 9, a second embodiment of the present invention, which is different from the first embodiment, is: also included are guard plates 102a-31, slosh tanks 102a-21, and guard tanks 102a-22. In the last embodiment, the thermal power generation blanking intelligent control system comprises an equipment operation system M and a control system N, and the control system N is used for controlling each equipment in the equipment operation system M, so that the operation safety of the device is ensured.
Specifically, the equipment operating system M includes a blanking module 100, a grinding module 200, and a combustion module 300; the blanking module 100 is used for blanking coal and connecting other modules; the grinding module 200 processes coal and grinds the coal into powder; the combustion module 300 is connected with the discharging module 100 and receives the ground coal for combustion.
And the control system N is connected with the equipment operation system M and comprises a control module 400 for controlling the start and stop of the other modules.
Further, the equipment operating system M further includes a first storage module 500, a weighing and transferring module 600, a transferring module 700, and a second storage module 800; the first storage module 500 is connected with the weighing transmission module 600, the weighing transmission module 600 is connected with the grinding module 200, the grinding module 200 is connected with the second storage module 800, and the second storage module 800 is connected with the blanking module 100 through the transmission module 700.
Further, the grinding module 200 includes a crusher 201, the combustion module 300 includes a boiler 301, the first storage module 500 includes a coal bunker 501, the weighing transfer module 600 includes a weighing machine 601 and a coal feeder 602, the transfer module 700 includes a stokehole coal feeder 701, and the second storage module 800 includes a stokehole coal bunker 801.
Further, the equipment operating system M further includes an auxiliary module 900 connected to the blanking module 100; the auxiliary module 900 includes a dust collector 901 and a dehumidifier 902, and is used for removing dust and drying pulverized coal in the blanking process.
Further, the control module 400 controls the other modules by using a PLC.
The working principle of the system is as follows: the control module 400 is used for controlling other devices, so that the participation of manpower is reduced, the production cost is reduced, and the working efficiency is improved. The first storage module 500 is a coal bunker 501, a proper amount of coal is weighed through the weighing and conveying module 600 and is conveyed to the grinding module 200 for crushing treatment, the crushed carbon powder is stored in the second storage module 800 near the combustion module 300, the carbon powder in the second storage module 800 is conveyed to the feed opening of the feeding module 100 through the conveying module 700 for feeding, and the feeding module 100 is connected with the combustion module 300, so that the carbon powder is fed into the boiler 301 conveniently. When the blanking module 100 is used for blanking, the auxiliary module 900 removes dust and moisture in the process, so that the combustion efficiency is improved. The control module 400 controls the start and stop of the equipment by using a PLC, so as to realize automatic work.
Further, the blanking module 100 includes a first blanking assembly 101, a stock abrading assembly 102, and a second blanking assembly 103; the first blanking unit 101 is disposed above, the accumulation grinding unit 102 is connected to the bottom of the first blanking unit 101, and the second blanking unit 103 is connected to the bottom of the accumulation grinding unit 102.
Further, the first blanking assembly 101 includes a flange interface 101a disposed at the top thereof, and a first arc-shaped pipe 101b connected to the flange interface 101 a.
Further, the accumulation grinding assembly 102 comprises a screen shell 102a connected with the bottom of the first lower material assembly 101, an elastic moving member 102b connected with the screen shell 102a, a fixed plate member 102c connected with the screen shell 102a, and a driving processing member 102d arranged above the screen shell 102 a.
Further, the screening shell 102a comprises a first screening plate 102a-1 obliquely arranged at the bottom thereof, a second screening plate 102a-2 horizontally arranged at the bottom thereof, a third screening plate 102a-3 arranged below the second screening plate 102a-2, a moving groove 102a-4 arranged at one end of the screening shell 102a, and a connecting and fixing plate 102a-5 arranged above the moving groove 102 a-4; the third sieve material plate 102a-3 is provided with a gap Z in the direction perpendicular to the second sieve material plate 102 a-2.
Further, the elastic moving part 102b comprises two groups of first hinge plates 102b-1 hinged with two ends of the second screen material plate 102a-2, a pushing block 102b-2 hinged with the first hinge plates 102b-1 at the side, a second hinge plate 102b-3 hinged with the other side of the pushing block 102b-2, a moving grinding block 102b-4 hinged with the top of the second hinge plate 102b-3, a sliding column 102b-5 penetrating through the middle part of the pushing block 102b-2, and a rebound spring 102b-6 arranged on the sliding column 102 b-5; the first hinge plate 102b-1 and the second hinge plate 102b-3 are arranged obliquely, and the moving grinding block 102b-4 is arranged in the moving groove 102 a-4. The two ends of the resilient spring 102b-6 are connected to the pusher block 102b-2 and the first plate 102c-1, respectively.
Further, the fixed plate 102c comprises a first plate 102c-1 fixedly connected with one end of the sliding column 102b-2, a second plate 102c-2 fixedly connected with the side of the first plate 102c-1, and a guide sleeve 102c-3 fixedly connected with one end of the bottom of the second plate 102 c-2; the bottom of the second plate 102c-2 is fixedly connected with the top of the connecting and fixing plate 102 a-5.
Further, the driving processing member 102d includes a driving motor 102d-1 disposed above the second plate member 102c-2, a driving shaft 102d-2 connected to the driving motor 102d-1, a stub gear 102d-3 connected to the driving shaft 102d-2, a rack plate 102d-4 engaged with the stub gear 102d-3, a slide rail 102d-5 engaged with the bottom of the rack plate 102d-4, two sets of rack plate connection blocks 102d-6 connected to both sides of the rack plate 102d-4, a first swing plate 102d-7 connected to the end of the driving shaft 102d-2, a second swing plate 102d-8 hinged to the first swing plate 102d-7, a pressing post 102d-9 hinged to the second swing plate 102d-8, and a pressing block 102d-10 connected to the bottom of the pressing post 102 d-9; the bottoms of the two groups of rack plate connecting blocks 102d-6 are respectively connected with a second screening plate 102 a-2; the pressing post 102d-9 is disposed in the guide sleeve 102 c-3. The pressing column 102d-9 can move along the linear direction by arranging the guide pipe sleeve 102c-3, so that the pressing accuracy is ensured, and the energy utilization efficiency is improved. The incomplete gear 102d-3 is always rotated under the action of the driving motor 102d-1 and is periodically matched with racks on the upper inner wall and the lower inner wall of the rack plate 102d-4, so that the rack plate 102d-4 periodically reciprocates on the sliding guide rail 102d-5, and the second screening plate 102a-2 connected with the rack plate 102d-4 through the rack plate connecting block 102d-6 continuously shakes to facilitate the falling of powder; and the pressing column 102d-9 is pulled to move up and down in the guide socket 102c-3 by the rotation of the first swing plate 102d-7 provided at the end of the driving shaft 102d-2 and the second swing plate 102d-8 hinged thereto, thereby realizing the continuous up and down movement of the pressing block 102 d-10. It should be noted that the lowest point of the press block 102d-10 falling does not contact the coal briquette, and the press block 102d-10 is disposed at the side of the press opening close to the first arc pipe 101b.
Further, the second blanking assembly 103 comprises an arc bottom collecting shell 103a arranged at the bottom of the first screening plate 102a-1, a second arc-shaped pipe 103b arranged at the bottom of the third screening plate 102a-3, and a connecting flange 103c arranged at the bottom of the second arc-shaped pipe 103 b; the arc bottom collection shell 103a is communicated with the second arc-shaped pipeline 103 b. All the sieve plates are provided with sieve openings which are convenient for the coal powder to fall, and the arc bottom collection shell 103a collects the coal powder falling through the first sieve plate 102a-1, collects the coal powder into the second arc-shaped pipeline 103b and finally falls into the furnace through the second arc-shaped pipeline 103 b.
Further, a gap is reserved between the connecting and fixing plate 102a-5 and the movable grinding block 102b-4 in the vertical direction; the moving grinding block 102b-4 comprises a first grinding block 102b-41, a second grinding block 102b-42, and a connecting spring 102b-43; the first abrasive segments 102b-41 and the second abrasive segments 102b-42 are identical in construction and are positioned in opposite orientations. The lower surfaces of the first grinding blocks 102b-41 extend outwards, the upper surfaces of the second grinding blocks 102b-42 extend outwards, and the extension parts of the first grinding blocks and the second grinding blocks are connected through the connecting springs 102b-43; the extending parts of the two are provided with a slide rail groove and a clamping block for matching. Through the cooperation of the slide rail groove and the clamping block, the second grinding blocks 102b-42 can vertically fall after being extruded by the pressing block 102d-10, so that the second grinding blocks are prevented from shaking, and the stability of the device is improved.
Preferably, the third screen material plate 102a-3 is provided with shielding plates 102a-31 on both sides, and the second screen material plate 102a-2 is provided with shaking grooves 102a-21 on both sides for cooperating with the two sets of first hinge plates 102b-1, and shielding grooves 102a-22 for cooperating with the shielding plates 102 a-31. The shaking grooves 102a-21 and the protection grooves 102a-22 are arranged to keep the elastic moving member 102b still when the second screen material plate 102a-2 shakes left and right, so as to prevent the operation of the device from being influenced.
In use, the primarily ground coal powder is firstly discharged from the top of the first discharging assembly 101, and then the driving motor 102d-1 is turned on to start the device. In the falling process of the coal powder, the first sieve material plate 102a-1 which is obliquely arranged is used for primary sieving, and the coal powder falls into the arc-bottom collecting shell 103a through the sieve material port on the first sieve material plate 102a-1 and finally flows into the second arc-shaped pipeline 103 b. Part of the powdered coal and the coal blocks which are not completely ground fall on the second screening plate 102a-2 along the first screening plate 102a-1, and the remaining powdered coal falls down and the coal blocks are accumulated on the second screening plate 102a-2 by screening the part of the powdered coal and the coal blocks again through the swaying second screening plate 102 a-2; along with the accumulation of the coal blocks, the second sieve material plate 102a-2 can slowly fall down and gradually attach to the third sieve material plate 102a-3; during the falling of the second sieve material plate 102a-2, the first hinge plate 102b-1 hinged with the two sides thereof presses the pushing block 102b-2 against the rebound spring 102b-6 along the length direction of the sliding column 102b-5, the second hinge plate 102b-3 hinged with the pushing block 102b-2 pushes the moving grinding block 102b-4 to move in the moving groove 102a-4 under the action of the pushing block 102b-2, when the second sieve material plate 102a-2 falls to be attached to the third sieve material plate 102a-3, the moving grinding block 102b-4 is pushed to the lower part of the pressing block 102d-10, and under the action of the pressing block 102d-10, the second sieve material 102b-42 is pressed into the sieve material housing 102a to crush the accumulated coal blocks. After the accumulated coal blocks are crushed and fall through the second sieve material plate 102a-2, the second sieve material plate 102a-2 gradually rises under the action of the rebound spring 102b-6 and returns to the initial position, and the movable grinding block 102b-4 is dragged back to the initial position under the action of the second hinged plate 102b-3, so that the next blanking is facilitated. Through improving the pipeline of current pay-off unloading, remain throughout to screen coal powder at the unloading in-process to carry out secondary operation to the coal piece that sieves out, full process automation goes on, practices thrift manufacturing cost, makes the more abundant of coal burning in the stove, improves the combustion rate of coal.
In conclusion, the operation of the whole equipment is controlled, the automatic production is realized in the feeding process, the labor cost is reduced, the working efficiency is improved, the existing system is improved, the combustion efficiency of coal is improved, and the production cost is reduced.
It is important to note that the construction and arrangement of the present application as shown in the various exemplary embodiments is illustrative only. Although only a few embodiments have been described in detail in this disclosure, those skilled in the art who review this disclosure will readily appreciate that many modifications are possible (e.g., variations in sizes, dimensions, structures, shapes and proportions of the various elements, values of parameters (e.g., temperatures, pressures, etc.), mounting arrangements, use of materials, colors, orientations, etc.) without materially departing from the novel teachings and advantages of the subject matter recited in this application. For example, elements shown as integrally formed may be constructed of multiple parts or elements, the position of elements may be reversed or otherwise varied, and the nature or number of discrete elements or positions may be altered or varied. Accordingly, all such modifications are intended to be included within the scope of this invention. The order or sequence of any process or method steps may be varied or re-sequenced according to alternative embodiments. In the claims, any means-plus-function clause is intended to cover the structures described herein as performing the recited function and not only structural equivalents but also equivalent structures. Other substitutions, modifications, changes and omissions may be made in the design, operating conditions and arrangement of the exemplary embodiments without departing from the scope of the present inventions. Therefore, the present invention is not limited to a particular embodiment, but extends to various modifications that nevertheless fall within the scope of the appended claims.
Moreover, in an effort to provide a concise description of the exemplary embodiments, all features of an actual implementation may not be described (i.e., those unrelated to the presently contemplated best mode of carrying out the invention, or those unrelated to enabling the invention).
It should be appreciated that in the development of any such actual implementation, as in any engineering or design project, numerous implementation-specific decisions may be made. Such a development effort might be complex and time consuming, but would nevertheless be a routine undertaking of design, fabrication, and manufacture for those of ordinary skill having the benefit of this disclosure, without undue experimentation.
It should be noted that the above-mentioned embodiments are only for illustrating the technical solutions of the present invention and not for limiting, and although the present invention is described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions can be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, which should be covered by the claims of the present invention.
Claims (6)
1. The utility model provides a thermal power unloading intelligence control system which characterized in that: comprises the steps of (a) preparing a mixture of a plurality of raw materials,
a plant operating system (M) comprising a blanking module (100), a grinding module (200), and a combustion module (300); the blanking module (100) is used for blanking coal and connecting other modules; the grinding module (200) is used for processing and grinding coal into powder; the combustion module (300) is connected with the blanking module (100) and used for receiving ground coal to combust;
the control system (N) is connected with the equipment operation system (M) and comprises a control module (400) for controlling the start and stop of the other modules;
the blanking module (100) comprises a first blanking assembly (101), a stockpile grinding assembly (102), and a second blanking assembly (103); the first blanking assembly (101) is arranged above, the accumulated grinding assembly (102) is connected with the bottom of the first blanking assembly (101), and the second blanking assembly (103) is connected with the bottom of the accumulated grinding assembly (102); the first blanking assembly (101) comprises a flange interface (101 a) arranged at the top of the first blanking assembly, and a first arc-shaped pipeline (101 b) connected with the flange interface (101 a); the accumulation grinding assembly (102) comprises a screening shell (102 a) connected with the bottom of the first blanking assembly (101), an elastic moving part (102 b) connected with the screening shell (102 a), a fixed plate part (102 c) connected with the screening shell (102 a), and a driving processing part (102 d) arranged above the screening shell (102 a);
the screening shell (102 a) comprises a first screening plate (102 a-1) obliquely arranged at the bottom of the screening shell, a second screening plate (102 a-2) horizontally arranged at the bottom of the screening shell, a third screening plate (102 a-3) arranged below the second screening plate (102 a-2), a moving groove (102 a-4) arranged at one end of the screening shell (102 a), and a connecting and fixing plate (102 a-5) arranged above the moving groove (102 a-4); gaps are reserved in the vertical direction of the third sieve plate (102 a-3) and the second sieve plate (102 a-2); the elastic moving part (102 b) comprises two groups of first hinge plates (102 b-1) hinged with two ends of the second sieve plate (102 a-2), a pushing block (102 b-2) with the side surface hinged with the first hinge plates (102 b-1), a second hinge plate (102 b-3) hinged with the other side of the pushing block (102 b-2), a moving grinding block (102 b-4) hinged with the top of the second hinge plate (102 b-3), a sliding column (102 b-5) penetrating through the middle part of the pushing block (102 b-2), and a rebound spring (102 b-6) arranged on the sliding column (102 b-5); the first hinge plate (102 b-1) and the second hinge plate (102 b-3) are obliquely arranged, and the moving grinding block (102 b-4) is arranged in the moving groove (102 a-4);
the fixed plate (102 c) comprises a first plate (102 c-1) fixedly connected with one end of the sliding column (102 b-2), a second plate (102 c-2) fixedly connected with the side surface of the first plate (102 c-1), and a guide sleeve (102 c-3) fixedly connected with one end of the bottom of the second plate (102 c-2); the bottom of the second plate (102 c-2) is fixedly connected with the top of the connecting and fixing plate (102 a-5); the driving processing piece (102 d) comprises a driving motor (102 d-1) arranged above the second plate piece (102 c-2), a driving shaft (102 d-2) connected with the driving motor (102 d-1), a stub gear (102 d-3) connected with the driving shaft (102 d-2), a rack plate (102 d-4) matched with the stub gear (102 d-3), a sliding guide rail (102 d-5) matched with the bottom of the rack plate (102 d-4), two groups of rack plate connecting blocks (102 d-6) connected with two sides of the rack plate (102 d-4), a first swinging plate (102 d-7) connected with the end of the driving shaft (102 d-2), a second swinging plate (102 d-8) hinged with the first swinging plate (102 d-7), a pressing column (102 d-9) hinged with the second swinging plate (102 d-8), and a pressing block (102 d-10) connected with the bottom of the pressing column (102 d-9); the bottoms of the two groups of rack plate connecting blocks (102 d-6) are respectively connected with a second sieve plate (102 a-2); the pressing column (102 d-9) is arranged in the guide pipe sleeve (102 c-3);
the second blanking assembly (103) comprises an arc-bottom collecting shell (103 a) arranged at the bottom of the first screening plate (102 a-1), a second arc-shaped pipeline (103 b) arranged at the bottom of the third screening plate (102 a-3), and a connecting flange (103 c) arranged at the bottom of the second arc-shaped pipeline (103 b); the arc bottom collection shell (103 a) is communicated with the second arc pipeline (103 b); a gap is reserved between the connecting and fixing plate (102 a-5) and the movable grinding block (102 b-4) in the vertical direction; the moving grinding block (102 b-4) comprises a first grinding block (102 b-41), a second grinding block (102 b-42), and a connecting spring (102 b-43); the lower surface of the first grinding block (102 b-41) extends outwards, the upper surface of the second grinding block (102 b-42) extends outwards, and the extending parts of the two grinding blocks are connected through the connecting springs (102 b-43); the extending parts of the two are provided with a slide rail groove and a clamping block for matching.
2. The thermal power generation blanking intelligent control system of claim 1, characterized in that: the equipment operating system (M) further comprises a first storage module (500), a weighing transfer module (600), a transfer module (700), and a second storage module (800); the first storage module (500) is connected with the weighing transmission module (600), the weighing transmission module (600) is connected with the grinding module (200), the grinding module (200) is connected with the second storage module (800), and the second storage module (800) is connected with the blanking module (100) through the transmission module (700).
3. The thermal power generation blanking intelligent control system of claim 2, characterized in that: the grinding module (200) comprises a crusher (201), the combustion module (300) comprises a boiler (301), the first storage module (500) comprises a coal bunker (501), the weighing and conveying module (600) comprises a weighing machine (601) and a coal feeder (602), the conveying module (700) comprises a stokehole coal feeder (701), and the second storage module (800) comprises a stokehole coal bunker (801).
4. The thermal power blanking intelligent control system of 1~3 as in any one of claims, wherein: the plant operating system (M) also comprises an auxiliary module (900) connected to the blanking module (100); the auxiliary module (900) comprises a dust remover (901) and a dehumidifier (902) and is used for removing dust and drying coal dust in the blanking process.
5. The thermal power blanking intelligent control system of 1~3 as in any one of claims, wherein: and the control module (400) adopts a PLC to control the rest modules.
6. The thermal power generation blanking intelligent control system of claim 5, characterized in that: protection plates (102 a-31) are arranged on two sides of the third sieve plate (102 a-3), shaking grooves (102 a-21) matched with the two groups of first hinge plates (102 b-1) and protection grooves (102 a-22) matched with the protection plates (102 a-31) are arranged on two sides of the second sieve plate (102 a-2).
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| CN102175032A (en) * | 2010-12-21 | 2011-09-07 | 永城市神火示范电站有限公司 | Technological process for delivering dry coal slurry in electric plant |
| CN202229208U (en) * | 2011-05-27 | 2012-05-23 | 中国电力工程顾问集团东北电力设计院 | Furnace smoke drying and water recycling warehouse-type fan mill hot air powder supplying and making system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| RU2312889C1 (en) * | 2006-07-19 | 2007-12-20 | Сергей Васильевич Луценко | Method of production of composite fuel and the installation for the method realization |
| CN101575541B (en) * | 2009-06-10 | 2012-07-25 | 煤炭科学研究总院 | System and process for coal powder preparation |
| CN103712225A (en) * | 2013-12-13 | 2014-04-09 | 山西蓝天环保设备有限公司 | Coal pulverizing system applied to small-and medium-sized pulverized-coal industry boilers |
| CN204421045U (en) * | 2014-12-24 | 2015-06-24 | 山西蓝天环保设备有限公司 | The on-line automatic grading plant of bunker coal in compound combustion |
| CN208642914U (en) * | 2017-12-31 | 2019-03-26 | 北京蓝亚能源科技有限公司 | A kind of high-efficiency pulverized coal preparation system |
| CN108916904A (en) * | 2018-03-13 | 2018-11-30 | 中国神华能源股份有限公司 | A kind of thermal power generation system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102175032A (en) * | 2010-12-21 | 2011-09-07 | 永城市神火示范电站有限公司 | Technological process for delivering dry coal slurry in electric plant |
| CN202229208U (en) * | 2011-05-27 | 2012-05-23 | 中国电力工程顾问集团东北电力设计院 | Furnace smoke drying and water recycling warehouse-type fan mill hot air powder supplying and making system |
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