CN117903819A - Coke guide grating device with stokehold cleaning function - Google Patents
Coke guide grating device with stokehold cleaning function Download PDFInfo
- Publication number
- CN117903819A CN117903819A CN202311663335.7A CN202311663335A CN117903819A CN 117903819 A CN117903819 A CN 117903819A CN 202311663335 A CN202311663335 A CN 202311663335A CN 117903819 A CN117903819 A CN 117903819A
- Authority
- CN
- China
- Prior art keywords
- coke guide
- coke
- oil cylinder
- cleaning mechanism
- stokehold
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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- 239000000571 coke Substances 0.000 title claims abstract description 105
- 238000004140 cleaning Methods 0.000 title claims abstract description 66
- 230000007246 mechanism Effects 0.000 claims abstract description 36
- 238000010926 purge Methods 0.000 claims abstract description 9
- 238000006073 displacement reaction Methods 0.000 claims description 21
- 238000007664 blowing Methods 0.000 claims description 17
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 230000010405 clearance mechanism Effects 0.000 claims 1
- 238000004939 coking Methods 0.000 abstract description 2
- 230000009471 action Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000003137 locomotive effect Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10B—DESTRUCTIVE DISTILLATION OF CARBONACEOUS MATERIALS FOR PRODUCTION OF GAS, COKE, TAR, OR SIMILAR MATERIALS
- C10B33/00—Discharging devices; Coke guides
- C10B33/14—Coke guides
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10B—DESTRUCTIVE DISTILLATION OF CARBONACEOUS MATERIALS FOR PRODUCTION OF GAS, COKE, TAR, OR SIMILAR MATERIALS
- C10B43/00—Preventing or removing incrustations
- C10B43/02—Removing incrustations
- C10B43/04—Removing incrustations by mechanical means
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Chemistry (AREA)
- Mechanical Engineering (AREA)
- Cleaning In General (AREA)
Abstract
The invention relates to the technical field of coking coke guiding vehicles and discloses a coke guiding grating device with a stokehold cleaning function, which comprises a furnace mouth, a coke guiding grating, a cleaning mechanism, a purging device, a hydraulic system, a pneumatic system and a PLC (programmable logic controller), wherein the furnace mouth is positioned at the left side of the coke guiding grating, the cleaning mechanism is positioned at one side, close to the furnace mouth, of the lower part of the right side of the coke guiding grating, and a coke dripping plate is fixed at the lower part of the right side of the furnace mouth.
Description
Technical Field
The invention relates to the technical field of coking coke guide vehicles, in particular to a coke guide grid device with a stokehold cleaning function.
Background
The coke oven locomotive is unmanned and is an attack project of national hot-blast research, but some key technologies of locomotive unmanned are difficult to be in industry, in the process of four-car operation area of the coke oven, mechanical actions are compact, linkage signals are various, auxiliary equipment and operation environment are severe and complex, cross operation is frequent, auxiliary work such as smoke sealing of a furnace door of the coke oven, cleaning of a furnace mouth and the like is not performed on a main operation line of a vehicle, but the auxiliary work directly affects the environment of the coke oven and normal production operation, and at present, partial functions still need to be judged and maintained manually in China, wherein a coke guide gate of a traditional coke guide car is used for guiding and transporting coke, residual coke after guiding and transporting is cleaned manually, cleaning work is heavy, operation environment temperature is high, and difficult cross-domain barriers are set for unmanned operation of the coke guide car.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a coke guide grating device with a stokehold cleaning function, which solves the problems in the prior art.
In order to solve the technical problems, according to one aspect of the invention, a coke guide gate device with a stokehold cleaning function, more specifically, a coke guide gate device with a stokehold cleaning function comprises a furnace mouth, a coke guide gate, a cleaning mechanism, a blowing device, a hydraulic system, a pneumatic system and a PLC, wherein the furnace mouth is positioned at the left side of the coke guide gate, the cleaning mechanism is positioned at one side, close to the furnace mouth, below the coke guide gate, and a coke dripping plate is fixed below the right side of the furnace mouth;
the cleaning mechanism consists of three connecting rods which are connected with each other in a rotating way, a scraper is fixed at the front end of the cleaning mechanism, and the top of the cleaning mechanism is connected with the bottom of the coke guide grid in a rotating way;
The lower left side of the coke guide grid is provided with a purging head, the bottom of the coke guide grid is positioned above the cleaning mechanism and is provided with an air port, and the purging device is respectively communicated with the purging head and the air port.
Further, the hydraulic system comprises a hydraulic pump, an overflow valve, a first reversing valve, a second reversing valve, a driving oil cylinder and a lifting oil cylinder;
The driving oil cylinder is positioned above the front surface of the coke guide grid, and the front surface of the driving oil cylinder is sequentially provided with an oil port D and an oil port C from left to right; the first reversing valve is communicated with the driving oil cylinder through the oil port D and the oil port C,
The lifting oil cylinder is located below the front surface of the coke guide grid and is rotationally connected with the coke guide grid, the bottom end of the lifting oil cylinder is rotationally connected with the top end of the right side of the cleaning mechanism, an oil port A and an oil port B are sequentially formed in the front surface of the lifting oil cylinder from top to bottom, and the second reversing valve is communicated with the driving oil cylinder through the oil port A and the oil port B.
Furthermore, the right end of the cleaning mechanism is fixed with a positioning lock head.
Further, the pneumatic system comprises an air pump and a pneumatic electromagnetic valve.
Furthermore, the right end of the driving oil cylinder is fixed with a built-in displacement sensor,
And a built-in displacement sensor is fixed at the top end of the lifting oil cylinder.
Furthermore, the scraper is made of elastic steel and has stronger toughness.
Furthermore, the scraper is detachably connected with the left end of the cleaning mechanism through bolts.
Further, the PLC is electrically connected with the pneumatic system, the built-in displacement sensor, the hydraulic system and the purging device respectively.
The coke guide grating device with the stokehold cleaning function has the beneficial effects that:
(1) Compared with the traditional coke guide grid, the control method provided by the system provided by the invention has the advantages that the functions of conveying coke, cleaning a furnace mouth, cleaning a coke dripping plate and locking the coke guide grid are realized by the coke guide grid through the logic operation of the PLC through a mechanical structure, a hydraulic system and a gas circuit system, the cleaning device replaces manual cleaning, and compared with the traditional coke guide grid for conveying coke, the integrated comprehensive function and the cleaning function of the coke guide grid are greatly improved, and the manual cleaning in front of a furnace is replaced.
(2) The invention has the integrated high-efficiency coke guide grid, the added cleaning function can reduce operators in front of the furnace, the installation of other large-scale mechanical cleaning equipment on a vehicle is reduced, the integration is compact, the operation efficiency is high, and the production efficiency is improved.
Drawings
The invention will be described in further detail with reference to the accompanying drawings and detailed description.
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic diagram of a hydraulic system according to the present invention;
FIG. 3 is a schematic diagram of a pneumatic system according to the present invention;
FIG. 4 is a control flow diagram of the present invention;
fig. 5 is a schematic structural view of a PLC according to the present invention.
In the figure: 1. a hydraulic pump; 2. an overflow valve; 3. a first reversing valve; 4. a second reversing valve; 5. a driving oil cylinder; 6. lifting the oil cylinder; 7. an air pump; 8. a pneumatic solenoid valve; 9. a purge device; 10. a furnace mouth; 11. a coke guide grid; 12. a coke dripping plate; 13. a cleaning mechanism; 14. positioning a lock head; 15. a first displacement sensor is arranged in the sensor; 16. a purge head; 17. a scraper; 18. an oil port A; 19. an oil port B; 20. an oil port C; 21. an oil port D; 22. an air port; 23. a second displacement sensor is arranged in the sensor; 24. and (3) PLC.
Detailed Description
The application will be described in detail hereinafter with reference to the drawings in conjunction with embodiments. It should be noted that, without conflict, the embodiments of the present application and features of the embodiments may be combined with each other.
1-5, According to one aspect of the present invention, there is provided a coke guide gate device with a stokehold cleaning function, comprising a furnace mouth 10, a coke guide gate 11, a cleaning mechanism 13, a purging device 9, a hydraulic system, a pneumatic system and POL, wherein the furnace mouth 10 is positioned at the left side of the coke guide gate 11, the cleaning mechanism 13 is positioned at one side, close to the furnace mouth 10, below the coke guide gate 11, and a coke dripping plate 12 is fixed below the right side of the furnace mouth 10;
the cleaning mechanism 13 consists of three connecting rods which are connected with each other in a rotating way, a scraper 17 is fixed at the front end of the cleaning mechanism 13, and the top of the cleaning mechanism 13 is connected with the bottom of the coke guide grid 11 in a rotating way;
A blowing head 16 is arranged below the left side of the coke guide grid 11, an air port 22 is arranged at the bottom of the coke guide grid 11 above the cleaning mechanism 13, and the blowing device 9 is respectively communicated with the blowing head 16 and the air port 22
The furnace mouth 10 and the coke dripping plate 12 are cleaned by a high-pressure blowing device 9, a blowing head 16, a pneumatic pump 7 and a third electromagnetic valve 8 to form two functions of controlling the furnace mouth 10 and the coke dripping plate 12 to be blown twice, the functions of high-pressure quick blowing save operation time, replace manual cleaning, ensure operation environment, ensure that the furnace mouth 10 is blown to ensure the smooth descending of a furnace door, ensure production safety and have no indispensable functions in front of the furnace.
In the embodiment, the hydraulic system comprises a hydraulic pump 1, an overflow valve 2, a first reversing valve 3, a second reversing valve 4, a driving oil cylinder 5 and a lifting oil cylinder 6;
The driving oil cylinder 5 is positioned above the front surface of the coke guide grid 11, and the front surface of the driving oil cylinder 5 is sequentially provided with an oil port D21 and an oil port C20 from left to right; the first reversing valve 3 is communicated with the driving oil cylinder 5 through an oil port D21 and an oil port C20,
The lifting oil cylinder 6 is positioned below the front surface of the coke guide grid 11 and is rotationally connected with the coke guide grid 11, the bottom end of the lifting oil cylinder 6 is rotationally connected with the top end of the right side of the cleaning mechanism 13, the front surface of the lifting oil cylinder 6 is sequentially provided with an oil port A18 and an oil port B19 from top to bottom, and the second reversing valve 4 is communicated with the driving oil cylinder 5 through the oil ports A18 and the oil port B19.
In the embodiment, the right end of the cleaning mechanism 13 is fixed with a positioning lock head 14, the coke dripping plate 12 and the cleaning mechanism 13 are locked in a positioning way, and the lifting oil cylinder 6 and the driving oil cylinder 5 are driven by a hydraulic system to jointly complete the cleaning function of the coke dripping plate 12.
In the embodiment, the pneumatic system comprises an air pump 7 and a pneumatic electromagnetic valve 8, a built-in displacement sensor I15 is fixed at the right end of a driving oil cylinder 5, and a built-in displacement sensor II 23 is fixed at the top end of a lifting oil cylinder 6.
In this embodiment, the scraper 17 is made of elastic steel, and has stronger toughness, and after the lifting oil cylinder 6 is retracted, the connecting rod mechanism in the cleaning mechanism 13 is driven to move, so that the scraper 17 is automatically attached to the coke dripping plate 12.
In the embodiment, the scraper 17 is detachably connected with the left end of the cleaning mechanism 13 through bolts, so that the cleaning mechanism is convenient to replace.
In the embodiment, POL is respectively and electrically connected with a pneumatic system, a built-in displacement sensor I15, a built-in displacement sensor II 23, a hydraulic system and a blowing device, the POL is used for controlling the linkage hydraulic system and the pneumatic system to complete the functions of locking the coke guide grid 11, advancing and retreating the coke guide grid 11, blowing the furnace mouth 10, secondarily blowing the coke dripping plate 12 and cleaning the coke dripping plate 12, the linkage control is tight, the action is rapid, the structure is compact, the unnecessary discharging time is not occupied, and the coke guide grid 11 is used for driving an oil cylinder to drive the cleaning mechanism 13.
The working principle of the device is as follows: the hydraulic pump 1 provides power, the overflow valve 2 and the POL24 control the first reversing valve 3 to obtain electric control to drive the oil cylinder 5 to drive the coke guide grid 11 to move forwards and backwards, so as to finish coke guide and transportation operation;
The oil way oil port C is a power oil port, the coke guide grating 11 advances, the oil way oil port D is a power oil port, the coke guide grating 11 retreats, the drive oil cylinder 5 feeds back a signal to the POL24 through the built-in displacement sensor I15, and the POL24 controls the interlocking action of the hydraulic system and the pneumatic system according to the built-in displacement sensor I15;
When the POL24 controls the hydraulic system to enable the coke guide grid 11 to advance to the position of the furnace mouth 10, the POL24 controls the hydraulic pump 1 to start according to the feedback of the built-in displacement sensor 15 of the driving oil cylinder 5, the second reversing valve 4 is electrified, the power oil is pushed by the oil port A, the lifting oil cylinder 6 stretches out, the positioning lock head 14 locks downwards, the coke guide grid can not retreat in the coke pushing process is ensured, and the coke guide operation is smoothly completed;
After coke guiding is finished, the POL preferentially controls the hydraulic pump 1 to take electricity B as a pressure oil port B through the overflow valve 2, controls the lifting cylinder 6 to act, lifts the positioning lock head 14, controls the scraper 17 to press on the coke dripping plate 12 through the connecting rod cleaning mechanism 13, and controls the lifting cylinder 6 to continuously provide power for the first reversing valve 3, continuously presses the scraper 17 on the coke dripping plate 12, ensures that the coke dripping plate can mechanically clean large-sized coke and graphite, drives the cylinder 5 to drive the coke guiding grid 11 to retreat, simultaneously drives the cleaning mechanism 13 and the scraper 17 to mechanically clean the coke dripping plate 12, controls and judges the actual action position according to the signal feedback POL24 of the built-in displacement sensor 15 and the built-in displacement sensor 23, and after the coke dripping plate is cleaned, the POL24 controls the lifting cylinder 6 to recover the initial position according to the feedback of the built-in displacement sensor 23, so that the coke guiding grid 11 can retreat smoothly;
the coke guide grating 11 advances to the position of the furnace mouth 10, the built-in displacement sensor 15 feeds back to the POL24, the pneumatic pump 7 is controlled to be started through the POL24, meanwhile, the pneumatic reversing valve 8 is controlled to be powered on, an air source enters the blowing device 9 from the air port 22 and blows the bottom 10 of the furnace mouth 10 at high pressure through the upper discharge head of the blowing head 16, when the coke guide grating 11 drives the oil cylinder 5 to retreat, the POL24 performs secondary high pressure blowing cleaning on the coke dripping plate 12 according to the feedback position of the built-in displacement sensor 15, meanwhile, the blowing device 9 is controlled to blow the ash powder which is not cleaned up by the mechanical scraper 17, and after coke guide operation, the cleaning in front of the furnace can be performed without manual operation.
Of course, the above description is not intended to limit the invention, but rather the invention is not limited to the above examples, and variations, modifications, additions or substitutions within the spirit and scope of the invention will be within the scope of the invention.
Claims (8)
1. The utility model provides a take stokehold to clean coke guide bars device of function, includes fire door (10), coke guide bars (11), clearance mechanism (13), sweeps device (9), hydraulic system, pneumatic system and PLC (24), its characterized in that: the furnace mouth (10) is positioned at the left side of the coke guide grid (11), the cleaning mechanism (13) is positioned at one side, close to the furnace mouth (10), below the coke guide grid (11), and a coke dripping plate (12) is fixed below the right side of the furnace mouth (10);
The cleaning mechanism (13) consists of three connecting rods which are connected with each other in a rotating way, a scraper (17) is fixed at the front end of the cleaning mechanism (13), and the top of the cleaning mechanism (13) is connected with the bottom of the coke guide grid (11) in a rotating way;
The utility model discloses a coke guide (11) is characterized in that a blowing head (16) is arranged below the left side of the coke guide (11), an air port (22) is arranged above the cleaning mechanism (13) at the bottom of the coke guide (11), and the blowing device (9) is respectively communicated with the blowing head (16) and the air port (22).
2. The coke guide gate device with a stokehold cleaning function according to claim 1, wherein: the hydraulic system comprises a hydraulic pump (1), an overflow valve (2), a first reversing valve (3), a second reversing valve (4), a driving oil cylinder (5) and a lifting oil cylinder (6);
The driving oil cylinder (5) is positioned above the front surface of the coke guide grid (11), and the front surface of the driving oil cylinder (5) is sequentially provided with an oil port D (21) and an oil port C (20) from left to right; the first reversing valve (3) is communicated with the driving oil cylinder (5) through the oil port D (21) and the oil port C (20),
The lifting oil cylinder (6) is located below the front surface of the coke guide grid (11) and is rotationally connected with the coke guide grid (11), the bottom end of the lifting oil cylinder (6) is rotationally connected with the top end on the right side of the cleaning mechanism (13), an oil port A (18) and an oil port B (19) are sequentially formed in the front surface of the lifting oil cylinder (6) from top to bottom, and the second reversing valve (4) is communicated with the driving oil cylinder (5) through the oil port A (18) and the oil port B (19).
3. The coke guide gate device with a stokehold cleaning function according to claim 1, wherein: the right end of the cleaning mechanism (13) is fixed with a positioning lock head (14).
4. The coke guide gate device with a stokehold cleaning function according to claim 1, wherein: the pneumatic system comprises an air pump (7) and a pneumatic electromagnetic valve (8).
5. The coke guide gate device with a stokehold cleaning function according to claim 2, wherein: the right end of the driving oil cylinder (5) is fixed with a built-in displacement sensor (15), and the top end of the lifting oil cylinder (6) is fixed with a built-in displacement sensor (23).
6. The coke guide gate device with a stokehold cleaning function according to claim 1, wherein: the scraper (17) is made of elastic steel and has stronger toughness.
7. The coke guide gate device with a stokehold cleaning function according to claim 1, wherein: the scraper (17) is detachably connected with the left end of the cleaning mechanism (13) through bolts.
8. The coke guide gate device with a stokehold cleaning function according to claim 2, wherein: the PLC (24) is electrically connected with the pneumatic system, the built-in displacement sensor (15), the built-in displacement sensor (23), the hydraulic system and the purging device respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311663335.7A CN117903819A (en) | 2023-12-06 | 2023-12-06 | Coke guide grating device with stokehold cleaning function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311663335.7A CN117903819A (en) | 2023-12-06 | 2023-12-06 | Coke guide grating device with stokehold cleaning function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117903819A true CN117903819A (en) | 2024-04-19 |
Family
ID=90680688
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311663335.7A Pending CN117903819A (en) | 2023-12-06 | 2023-12-06 | Coke guide grating device with stokehold cleaning function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117903819A (en) |
-
2023
- 2023-12-06 CN CN202311663335.7A patent/CN117903819A/en active Pending
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