CN113188144B - Unloader suitable for thermal power - Google Patents
Unloader suitable for thermal power Download PDFInfo
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- CN113188144B CN113188144B CN202110433238.3A CN202110433238A CN113188144B CN 113188144 B CN113188144 B CN 113188144B CN 202110433238 A CN202110433238 A CN 202110433238A CN 113188144 B CN113188144 B CN 113188144B
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- pipeline
- screening
- hinged
- coal
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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
- B02C1/00—Crushing or disintegrating by reciprocating members
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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
- B02C23/14—Separating or sorting of material, associated with crushing or disintegrating with more than one separator
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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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- 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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Food Science & Technology (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- General Engineering & Computer Science (AREA)
- Crushing And Grinding (AREA)
- Combined Means For Separation Of Solids (AREA)
Abstract
The invention discloses a blanking device suitable for thermal power generation, which comprises an equipment main body, a feeding pipeline, a secondary treatment assembly and a collecting blanking pipeline, wherein the equipment main body comprises a feeding pipeline, a secondary treatment assembly and a collecting blanking pipeline; the feeding pipeline is arranged above the secondary processing assembly, the secondary processing assembly is connected with the bottom of the feeding pipeline, and the collecting and discharging pipeline is connected with the bottom of the secondary processing assembly. The invention has the advantages that the existing feeding and discharging pipeline is improved, coal powder is always screened in the discharging process, screened coal blocks are processed secondarily, the whole process is automated, the production cost is saved, coal is more fully combusted in the furnace, and the combustion rate of the coal is improved.
Description
Technical Field
The invention relates to the technical field of coal blanking, in particular to a blanking device suitable for thermal power generation.
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 coal ground by the current grinding machine is not all in qualified powder form, and some un-ground coal blocks are left in the coal, so that the combustion rate of the coal is influenced. Therefore, a blanking device suitable for thermal power generation is proposed by those skilled in the art to solve the problems set forth in the background above.
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 objects of the present invention is to provide a charging device suitable for thermal power generation, which can perform secondary screening and crushing during charging of coal, thereby improving combustion efficiency.
In order to solve the technical problems, the invention provides the following technical scheme: a blanking device suitable for thermal power generation comprises an equipment main body, a secondary processing assembly and a collecting blanking pipeline, wherein the equipment main body comprises a feeding pipeline, the secondary processing assembly and the collecting blanking pipeline; the feeding pipeline is arranged above the secondary treatment assembly, the secondary treatment assembly is connected with the bottom of the feeding pipeline, and the collecting and discharging pipeline is connected with the bottom of the secondary treatment assembly.
As a preferable scheme of the blanking device applicable to thermal power generation of the present invention, wherein: the feeding pipeline comprises a flange interface arranged at the top of the feeding pipeline and a first arc-shaped pipeline connected with the flange interface.
As a preferable scheme of the blanking device applicable to thermal power generation of the present invention, wherein: the secondary treatment subassembly includes the sieve material casing of being connected with the feed pipe bottom, the elastic moving member of being connected with the sieve material casing, the fixed plate of being connected with the sieve material casing to and set up the drive processing piece in sieve material casing top.
As a preferable scheme of the blanking device applicable to thermal power generation of the present invention, wherein: 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; and a gap is reserved between the third material sieving plate and the second material sieving plate in the vertical direction.
As a preferable scheme of the blanking device applicable to thermal power generation of the present invention, wherein: 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 preferable scheme of the blanking device applicable to thermal power generation of the present invention, wherein: 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.
As a preferable scheme of the blanking device applicable to thermal power generation of the present invention, wherein: the driving processing piece comprises a driving motor arranged above the second plate, a driving shaft connected with the driving motor, an incomplete gear connected with the driving shaft, a rack plate matched with the incomplete 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 preferable scheme of the blanking device applicable to thermal power generation of the present invention, wherein: the collecting and blanking pipeline comprises an arc bottom collecting shell arranged at the bottom of the first sieve plate, a second arc pipeline arranged at the bottom of the third sieve plate and a connecting flange arranged at the bottom of the second arc pipeline; the arc bottom collecting shell is communicated with the second arc pipeline.
As a preferable scheme of the blanking device applicable to thermal power generation of the present invention, wherein: 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 preferable scheme of the blanking device applicable to thermal power generation of the present invention, wherein: 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: according to the invention, the existing feeding and discharging pipeline is improved, coal powder is screened in the discharging process, and screened coal blocks are subjected to secondary processing, so that coal is combusted more fully in the furnace, and the combustion rate of the coal is improved.
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 overall configuration diagram of a charging device suitable for thermal power generation.
Fig. 2 is an exploded view of a charging device suitable for thermal power generation.
Fig. 3 is a structural view of a secondary processing unit of the charging device suitable for thermal power generation.
FIG. 4 is another perspective view of the secondary processing assembly of the blanking device suitable for thermal power generation.
Fig. 5 is a structural view of a screen casing of a blanking device suitable for thermal power generation.
Fig. 6 is a moving abrasive block composition of a blanking apparatus suitable for thermal power generation.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention more comprehensible, embodiments accompanying figures of the present invention 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 6, a first embodiment of the present invention provides a charging device suitable for thermal power generation, which includes an apparatus main body 100, and by improving an existing charging pipe, when coal powder enters a furnace through a pipe, coal blocks that are not completely pulverized in the coal powder can be accumulated and retained, and the coal blocks accumulated to a certain weight are processed for a second time periodically.
Specifically, the equipment main body 100 comprises a feeding pipeline 101, a secondary treatment assembly 102 and a collecting and blanking pipeline 103; the feeding pipeline 101 is arranged above, the secondary treatment assembly 102 is connected with the bottom of the feeding pipeline 101, and the collecting and blanking pipeline 103 is connected with the bottom of the secondary treatment assembly 102.
Further, the feeding pipe 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 secondary processing assembly 102 comprises a screen shell 102a connected with the bottom of the feeding pipe 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 screen material plate 102a-3 is spaced apart from the second screen material plate 102a-2 in a direction perpendicular thereto.
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 on the side surface, 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 obliquely arranged, 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 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 block 102d-10 is continuously moved up and down by pulling the pressing post 102d-9 up and down in the guide socket 102c-3 through 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. 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 collecting and blanking pipeline 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 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 shaking is prevented, and the stability of the device is improved.
In use, the primarily ground coal powder is fed from the top of the feed pipe 101, and then the drive 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.
In conclusion, the existing feeding and discharging pipeline is improved, coal powder is always screened in the discharging process, screened coal blocks are processed secondarily, the whole process is automatically carried out, the production cost is saved, coal is more fully combusted in the furnace, and the combustion rate of the coal is improved.
Example 2
Referring to fig. 5, 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 above embodiment, the charging device for thermal power generation includes the apparatus main body 100, and by modifying the existing charging pipe, it is possible to accumulate and retain coal briquettes that are not completely pulverized in coal fines when the coal fines enter the furnace through the pipe, and to perform secondary processing on the coal briquettes accumulated to a certain weight periodically.
Specifically, the equipment main body 100 comprises a feeding pipeline 101, a secondary treatment assembly 102 and a collecting and blanking pipeline 103; the feeding pipeline 101 is arranged above, the secondary treatment assembly 102 is connected with the bottom of the feeding pipeline 101, and the collecting and blanking pipeline 103 is connected with the bottom of the secondary treatment assembly 102.
Further, the feeding pipe 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 secondary processing assembly 102 comprises a screen shell 102a connected with the bottom of the feeding pipe 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 and the second sieve material plate 102a-2 are spaced in the vertical direction.
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 on the side surface, 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 obliquely arranged, 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 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 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 block 102d-10 is continuously moved up and down by pulling the pressing post 102d-9 up and down in the guide socket 102c-3 through 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. 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 collecting and blanking pipeline 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 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 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 first fed from the top of the feed pipe 101, and then the drive motor 102d-1 is turned on to start the operation of the apparatus. 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 part of the powdered coal and the coal blocks are screened again through the swaying second screening plate 102a-2, so that the rest of the powdered coal falls, and the coal blocks are accumulated on the 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 blocks 102b-4 are dragged back to the initial position under the action of the second hinge plate 102b-3, so that the next blanking is facilitated.
In conclusion, the existing feeding and discharging pipeline is improved, coal powder is always screened in the discharging process, screened coal blocks are processed secondarily, the whole process is automatically carried out, the production cost is saved, coal is more fully combusted in the furnace, and the combustion rate of the coal is improved.
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 has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made on 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 (2)
1. The utility model provides a unloader suitable for thermal power, its characterized in that: comprises the steps of (a) preparing a substrate,
the equipment comprises an equipment main body (100) and a feeding pipeline (101), a secondary treatment assembly (102) and a collecting and blanking pipeline (103); the feeding pipeline (101) is arranged above, the secondary treatment assembly (102) is connected with the bottom of the feeding pipeline (101), and the collecting and blanking pipeline (103) is connected with the bottom of the secondary treatment assembly (102);
the feeding pipeline (101) comprises a flange interface (101 a) arranged at the top of the feeding pipeline, and a first arc-shaped pipeline (101 b) connected with the flange interface (101 a);
the secondary treatment assembly (102) comprises a screening shell (102 a) connected with the bottom of the feeding pipeline (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 treatment 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 sets 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 tail 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 collecting and blanking pipeline (103) comprises an arc-bottom collecting shell (103 a) arranged at the bottom of the first sieve plate (102 a-1), a second arc-shaped pipeline (103 b) arranged at the bottom of the third sieve 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 collecting shell (103 a) is communicated with the second arc-shaped 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 blanking device suitable for thermal power generation as set forth in claim 1, wherein: 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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|---|---|---|---|
| CN202110433238.3A CN113188144B (en) | 2021-04-22 | 2021-04-22 | Unloader suitable for thermal power |
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| CN202110433238.3A CN113188144B (en) | 2021-04-22 | 2021-04-22 | Unloader suitable for thermal power |
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| CN113188144B true CN113188144B (en) | 2022-10-18 |
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| CN115228548B (en) * | 2022-06-30 | 2023-08-25 | 华能伊敏煤电有限责任公司 | Sorting unit is used in quartz sand production |
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| CN109395819A (en) * | 2018-10-10 | 2019-03-01 | 广州中汇达科技有限公司 | A kind of coal disintegrating screening equipment |
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| US4653699A (en) * | 1984-02-04 | 1987-03-31 | Evt Engergie-Und Verfahrensteckhnik Gmbh | Coal-mill classifier |
| CN106111237A (en) * | 2016-08-12 | 2016-11-16 | 无锡欧玛森远洋工程设备有限公司 | A kind of broken coal equipment of boiler |
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| CN113188144A (en) | 2021-07-30 |
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