CN112831328A - Furnace top cleaning device with dust collecting function of ascending pipe and working method thereof - Google Patents
Furnace top cleaning device with dust collecting function of ascending pipe and working method thereof Download PDFInfo
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- CN112831328A CN112831328A CN202110198859.8A CN202110198859A CN112831328A CN 112831328 A CN112831328 A CN 112831328A CN 202110198859 A CN202110198859 A CN 202110198859A CN 112831328 A CN112831328 A CN 112831328A
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- electric butterfly
- oil cylinder
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- 239000000428 dust Substances 0.000 title claims abstract description 163
- 238000004140 cleaning Methods 0.000 title claims abstract description 51
- 230000001174 ascending effect Effects 0.000 title claims abstract description 30
- 238000000034 method Methods 0.000 title description 16
- 239000003245 coal Substances 0.000 claims abstract description 42
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 18
- 239000010959 steel Substances 0.000 claims abstract description 18
- 239000000779 smoke Substances 0.000 claims abstract description 13
- 230000005540 biological transmission Effects 0.000 claims description 10
- 238000003763 carbonization Methods 0.000 claims description 8
- 230000009467 reduction Effects 0.000 claims description 8
- 230000003584 silencer Effects 0.000 claims description 7
- 230000000694 effects Effects 0.000 claims description 6
- 230000033001 locomotion Effects 0.000 claims description 5
- 238000010276 construction Methods 0.000 claims description 4
- 230000008602 contraction Effects 0.000 claims description 4
- 238000011017 operating method Methods 0.000 claims description 3
- 238000010408 sweeping Methods 0.000 claims 1
- 239000000571 coke Substances 0.000 abstract description 9
- 230000007613 environmental effect Effects 0.000 abstract description 3
- 239000002817 coal dust Substances 0.000 description 3
- 238000004939 coking Methods 0.000 description 3
- 230000000630 rising effect Effects 0.000 description 3
- 238000007599 discharging Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000013589 supplement Substances 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- FMMWHPNWAFZXNH-UHFFFAOYSA-N Benz[a]pyrene Chemical compound C1=C2C3=CC=CC=C3C=C(C=C3)C2=C2C3=CC=CC2=C1 FMMWHPNWAFZXNH-UHFFFAOYSA-N 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000014509 gene expression Effects 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- 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
-
- 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
- C10B27/00—Arrangements for withdrawal of the distillation gases
- C10B27/06—Conduit details, e.g. valves
-
- 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
- C10B43/06—Removing incrustations by mechanical means from conduits, valves or the like
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Mechanical Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Cleaning In General (AREA)
Abstract
The invention provides a furnace top cleaning device with a dust collecting function of a riser, which comprises a top coal charging car and a furnace top cleaning device, wherein the furnace top cleaning device is arranged on the top coal charging car, the top coal charging car comprises a steel structure platform and a coal hopper, and the furnace top cleaning device comprises: the device mainly utilizes the movable dust collecting device to recover pulverized coal which is used for cleaning the top of the coke oven and then is treated by the dust remover, so that the oven top is automatically cleaned, the collected objects are automatically transferred and discharged, the complete closed-loop operation of cleaning is realized, the labor intensity of workers is reduced, meanwhile, the fixed dust collecting part is used for collecting a small amount of overflowing smoke dust at the ascending tube, the smoke dust is discharged after being treated by the dust remover, and the environmental protection performance of the coke oven machinery is improved.
Description
Technical Field
The invention relates to the technical field of metallurgical coking, in particular to a furnace top cleaning device with a dust collecting function of a riser and a working method thereof.
Background
The top coal loading vehicle is an important coke oven mechanical equipment, and is mainly used for receiving coal from a coal tower and loading the coal into a carbonization chamber. When the coal charging car reciprocates at the top of the furnace and the coal charging operation is carried out, coal dust can be scattered on the top of the furnace. An operator needs to clean the furnace top regularly and transfer the cleaned coal powder to a designated position manually for discharging. This not only increased workman's intensity of labour, the process of cleaning moreover causes the secondary raise dust easily, is unfavorable for the health of operative employee and the protection of surrounding environment.
During the coke production process, graphite is deposited on the inner wall of the riser. If not cleaned in time, a small amount of black smoke can emerge when the ascending pipe cover is opened in the coal charging operation. The smoke components of the coke oven contain harmful components such as benzopyrene, and the smoke is harmful to the environment when being discharged without being treated.
Therefore, it is necessary to design a furnace top cleaning device with dust collecting function of the ascending pipe and a working method thereof.
Disclosure of Invention
According to the technical problems that the labor intensity of manually cleaning the furnace top is high and a small amount of black smoke at the position of the ascending pipe overflows when the coke oven mechanical equipment works, the furnace top cleaning device with the ascending pipe dust collection function and the working method thereof are provided. The invention mainly utilizes the movable dust collecting device to recover the coal dust which is cleaned on the top of the coke oven and then the coal dust is treated by the dust remover to automatically clean the top of the coke oven, automatically transfer and discharge the collected objects, realizes the complete closed-loop operation of cleaning, lightens the labor intensity of workers, simultaneously utilizes the fixed dust collecting part to collect a small amount of smoke dust which overflows from the ascending pipe, and discharges the smoke dust after being treated by the dust remover, thereby improving the environmental protection of the coke oven machine.
The technical means adopted by the invention are as follows:
the utility model provides a have top loading coal car and furnace roof cleaning device of tedge collection dirt function concurrently, includes top loading coal car and furnace roof cleaning device, its characterized in that, furnace roof cleaning device sets up on the top loading coal car, the top loading coal car includes steel construction platform and coal scuttle, furnace roof cleaning device includes: fixed collection dirt portion, dust removal portion and activity collection dirt portion, fixed collection dirt portion dust removal portion with activity collection dirt portion installs on the steel construction platform, fixed collection dirt portion with activity collection dirt portion pass through pipeline structure with dust removal portion links to each other, dust removal portion through scrape the trigger with the coal scuttle links to each other.
Further, fixed dust collection portion includes rotatory cover, fixed cover and rotary driving hydro-cylinder, rotatory cover sets up the front end of fixed cover and with fixed cover is coaxial, rotatory cover passes through rotary driving hydro-cylinder drive, fixed cover through fixed dust collection pipeline with dust removal portion is connected.
Furthermore, the movable dust collecting part comprises a track and a dust collection trolley, the dust collection trolley comprises a rack, a power system and a dust collection system, the power system is arranged at the upper end of the rack, and rollers are arranged at the top end of the rack and matched with the track; the power system comprises a speed reduction motor, a transmission shaft, a coupler, a bearing, an encoder, a gear and a rack, and the track and the rack are arranged on the lower surface of the steel structure platform; the speed reducing motor is connected with the transmission shaft through the coupler, the bearing, the encoder and the gear are arranged on the transmission shaft, and the gear is matched with the rack; the dust collection system comprises a left suction nozzle, a left suction nozzle lifting oil cylinder, a left electric butterfly valve, a fixed pipe, a right electric butterfly valve, a flexible pipe I, a right suction nozzle lifting oil cylinder and a lifting trolley, wherein the fixed pipe is arranged at the center of the outer side of the frame, the left suction nozzle lifting oil cylinder and the left electric butterfly valve are arranged on the left side of the lower end of the frame, the left suction nozzle is connected to the frame through the lifting trolley, the left suction nozzle is connected with the left electric butterfly valve and the fixed pipe through the flexible pipe I, the right suction nozzle lifting oil cylinder and the right electric butterfly valve are arranged on the right side of the lower end of the frame, the right suction nozzle is connected to the frame through the lifting trolley, the right suction nozzle is connected with the right electric butterfly valve and the fixed pipe through the flexible pipe I, and the left lifting trolley controls the movement through the left suction nozzle lifting oil, the lifting trolley on the right side controls the movement through the right suction nozzle lifting oil cylinder, and the fixed pipe is connected with the dust removal part through a flexible pipe II.
Furthermore, the dust removing part comprises a dust remover, a discharge valve and a dust removing fan system, the discharge valve is arranged at the lower end of the dust remover, the dust removing fan system comprises a dust removing fan, a silencer, a manual butterfly valve and a fan guide pipe, the silencer is connected with an air outlet of the dust removing fan through the manual butterfly valve, and an air inlet of the dust removing fan is connected with the discharge valve through the fan guide pipe.
Further, fixed dust collecting pipe includes air supply valve, electric butterfly valve and connecting pipe, air supply valve with electric butterfly valve sets up on the connecting pipe, fixed dust collecting part pass through the connecting pipe with dust removal portion links to each other.
Further, a chain device is arranged on the steel structure platform, and the flexible pipe II and the cable are arranged in the chain device.
The invention also provides a working method of the furnace top cleaning device with the dust collecting function of the ascending pipe, which is characterized by comprising the following steps:
step S1: the dust collection trolley is in an initial position, and all the oil cylinders are in a contraction state;
step S2: the top coal loading vehicle runs to the position above the carbonization chamber to be loaded with coal, the rotary driving oil cylinder extends out, and the rotary cover rises to a high position;
step S3: the dust removal fan is started, the electric butterfly valve is opened, the ascending pipe cover is opened, and smoke dust at the ascending pipe cover is collected;
step S4: after a certain time, the electric butterfly valve is closed, the left electric butterfly valve is opened, the left suction nozzle lifting oil cylinder extends out, the left suction nozzle falls down, and the speed reduction motor works to drag the dust collection trolley to move leftwards along the track to the cleaning limit and return to the left track of the furnace top;
step S5: the left electric butterfly valve is closed, the left suction nozzle lifting oil cylinder contracts, and the left suction nozzle retreats to the initial position to cross the left track of the furnace top;
step S6: the right electric butterfly valve is opened, the right suction nozzle lifting oil cylinder extends out, the right suction nozzle falls down, and the dust collection trolley moves rightwards along the track to the right track of the furnace top;
step S7: the right suction nozzle lifting oil cylinder contracts, and the right suction nozzle ascends to cross the right track of the furnace top;
step S8: the right suction nozzle lifting oil cylinder extends out, the right suction nozzle falls down, and the dust collection trolley moves rightwards along the track to the cleaning limit and then returns to the track on the right side of the furnace top;
step S9: the right electric butterfly valve is closed, the right suction nozzle lifting oil cylinder contracts, and the right suction nozzle rises to cross the right track of the furnace top;
step S10: the left electric butterfly valve is opened, the left suction nozzle lifting oil cylinder extends out, the left suction nozzle falls down, and the dust collection trolley moves leftwards to the left rail of the furnace top;
step S11: the left electric butterfly valve is closed, the left suction nozzle lifting oil cylinder contracts, and the left suction nozzle retreats to the initial position to cross the left track of the furnace top;
step S12: the dust collection trolley runs to an initial position, the rotary driving oil cylinder contracts, the rotary cover retracts to the initial position, and the dust collection fan is closed.
Compared with the prior art, the invention has the following advantages:
1. the furnace top cleaning device with the dust collecting function of the ascending pipe and the working method thereof provided by the invention have the advantages of reasonable structure, realization of automatic operation and easiness in maintenance.
2. The furnace top cleaning device with the dust collecting function of the ascending pipe and the working method thereof provided by the invention can be used for mechanically cleaning and discharging collected objects in a closed loop manner, so that the labor intensity of workers is greatly reduced.
3. The furnace top cleaning device with the dust collecting function of the ascending pipe and the working method thereof solve the problem that black smoke is generated at the ascending pipe of a user and improve the top environmental protection.
Based on the reasons, the invention can be widely popularized in the fields of metallurgical coking technology and the like.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a front view of a furnace top cleaning device with dust collecting function of a rising pipe and a working method thereof.
Fig. 2 is a plan view of a furnace top cleaning device having a dust collecting function of a rising pipe and a method of operating the same according to the present invention.
Fig. 3 is a left side view of the furnace top cleaning device with dust collecting function of the ascending pipe and the working method thereof.
In the figure: 1. a discharge valve; 2. a dust remover; 3. a scraper machine; 4. a chain device; 5. a dust removal fan system; 51. a dust removal fan; 52. a muffler; 53. a manual butterfly valve; 54. a fan duct; 6. a track; 7. a dust collection trolley; 71. a frame; 72. a reduction motor; 73. a drive shaft 74, a coupling; 75. a bearing; 76. an encoder; 77. a gear; 78. a rack; 79. a left suction nozzle; 710. a left suction nozzle lift cylinder; 711. a left electric butterfly valve; 712. a fixed tube; 713. a right electric butterfly valve; 714. a flexible pipe I; 715. a right suction nozzle lift cylinder; 716. lifting the trolley; 717. a right suction nozzle; 8. a flexible tube II; 9. a rotating cover; 10. a fixed cover; 11. a rotary driving oil cylinder; 12. an air make-up valve; 13. an electric butterfly valve; 14. a connecting pipe; 15. a coal hopper; 16. a steel structure platform; 17. a riser cover; 18. a furnace roof left side rail; 19. the right side rail of the furnace top.
Detailed Description
It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the invention. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
The relative arrangement of the components and steps, the numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present invention unless specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. Any specific values in all examples shown and discussed herein are to be construed as exemplary only and not as limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.
In the description of the present invention, it is to be understood that the orientation or positional relationship indicated by the directional terms such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal" and "top, bottom", etc., are generally based on the orientation or positional relationship shown in the drawings, and are used for convenience of description and simplicity of description only, and in the absence of any contrary indication, these directional terms are not intended to indicate and imply that the device or element so referred to must have a particular orientation or be constructed and operated in a particular orientation, and therefore should not be considered as limiting the scope of the present invention: the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.
Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above …" and "below …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
It should be noted that the terms "first", "second", and the like are used to define the components, and are only used for convenience of distinguishing the corresponding components, and the terms have no special meanings unless otherwise stated, and therefore, the scope of the present invention should not be construed as being limited.
As shown in fig. 1 to 3, the present invention provides a furnace top cleaning device with dust collecting function of a rising pipe, which comprises a top coal charging car and a furnace top cleaning device, wherein the furnace top cleaning device is arranged on the top coal charging car, the top coal charging car comprises a steel structure platform 16 and a coal hopper 15, and the furnace top cleaning device comprises: the dust collecting device comprises a fixed dust collecting part, a dust removing part and a movable dust collecting part, wherein the fixed dust collecting part, the dust removing part and the movable dust collecting part are arranged on a steel structure platform 16, the fixed dust collecting part and the movable dust collecting part are connected with the dust removing part through a pipeline structure, and the dust removing part is connected with a coal hopper 15 through a scraper 3; the fixed dust collecting part comprises a rotary cover 9, a fixed cover 10 and a rotary driving oil cylinder 11, the rotary cover 9 is arranged at the front end of the fixed cover 10 and is coaxial with the fixed cover 10, the rotary cover 9 is driven by the rotary driving oil cylinder 11, and the fixed cover 10 is connected with the dust collecting part by a fixed dust collecting pipeline; the movable dust collecting part comprises a track 6 and a dust collection trolley 7, the dust collection trolley 7 comprises a rack 71, a power system and a dust collection system, the power system is arranged at the upper end of the rack 71, and rollers are arranged at the top end of the rack 71 and matched with the track 6; the power system comprises a speed reducing motor 72, a transmission shaft 73, a coupler 74, a bearing 75, an encoder 76, a gear 77 and a rack 78, wherein the track 6 and the rack 78 are arranged on the lower surface of the steel structure platform 16; the speed reducing motor 72 is connected with the transmission shaft 73 through the coupler 74, the bearing 75, the encoder 76 and the gear 77 are arranged on the transmission shaft 73, and the gear 77 is matched with the rack 78; the dust collection system comprises a left suction nozzle 79, a left suction nozzle lifting cylinder 710, a left electric butterfly valve 711, a fixed pipe 712, a right electric butterfly valve 713, a flexible pipe I714, a right suction nozzle lifting cylinder 715 and a lifting trolley 716, wherein the fixed pipe 712 is arranged at the center of the outer side of the frame 71, the left suction nozzle 79, the left suction nozzle lifting cylinder 710 and the left electric butterfly valve 711 are arranged at the left side of the lower end of the frame 71, the left suction nozzle 79 is connected to the frame 71 through the lifting trolley 716, the left suction nozzle 79 is connected with the left electric butterfly valve 13 and the fixed pipe 712 through the flexible pipe I714, the right suction nozzle 717, the right suction nozzle lifting cylinder 715 and the right electric butterfly valve 713 are arranged at the right side of the lower end of the frame 71, the right suction nozzle 717 is connected to the frame 71 through the lifting trolley 716, the right suction nozzle 717 is connected with the right electric butterfly valve 713 and the fixed pipe 712 through the flexible pipe I, the left lifting trolley 716 is controlled to move by the left suction nozzle lifting oil cylinder 710, the right lifting trolley 716 is controlled to move by the right suction nozzle lifting oil cylinder 715, and the fixed pipe 712 is connected with the dust removing part by a flexible pipe II 8; the dust removing part comprises a dust remover 2, a discharge valve 1 and a dust removing fan system 5, the discharge valve 1 is arranged at the lower end of the dust remover 2, the dust removing fan system 5 comprises a dust removing fan 51, a silencer 52, a manual butterfly valve 53 and a fan guide pipe 54, the silencer 52 is connected with an air outlet of the dust removing fan 51 through the manual butterfly valve 53, and an air inlet of the dust removing fan 51 is connected with the discharge valve 1 through the fan guide pipe 54; the fixed dust collecting pipeline comprises an air supplement valve 12, an electric butterfly valve 713 and a connecting pipe 14, the air supplement valve 12 and the electric butterfly valve 13 are arranged on the connecting pipe 14, and the fixed dust collecting part is connected with the dust removing part through the connecting pipe 14; and a chain device 4 is arranged on the steel structure platform 16, and the flexible pipe II 8 and the cable are arranged in the chain device 4.
The invention also provides an operating method of the furnace top cleaning device with the dust collecting function of the ascending pipe, which is characterized by comprising the following steps:
step S1: the dust collection trolley 7 is at an initial position, and all oil cylinders are in a contraction state;
step S2: the top coal loading vehicle runs to the position above the carbonization chamber to be loaded with coal, the rotary driving oil cylinder 11 extends out, and the rotary cover 9 rises to a high position;
step S3: the dust removal fan 51 is started, the electric butterfly valve 13 is opened, the ascending pipe cover 17 is opened, and the smoke at the ascending pipe cover 17 is collected;
step S4: after a certain time, the electric butterfly valve 13 is closed, the left electric butterfly valve 711 is opened, the left suction nozzle lifting oil cylinder 710 extends, the left suction nozzle 79 falls down, and the speed reduction motor 72 works to drag the dust collection trolley 7 to move leftwards along the track 6 to the cleaning limit and return to the left track 18 of the furnace top;
step S5: the left electric butterfly valve 711 is closed, the left suction nozzle lifting cylinder 710 is contracted, and the left suction nozzle 79 retracts to the initial position to cross the left track 18 on the top of the furnace;
step S6: the right electric butterfly valve 713 is opened, the right suction nozzle lifting oil cylinder 715 extends out, the right suction nozzle 717 falls down, and the dust collection trolley 7 moves rightwards along the track 6 to the right track 19 on the top of the furnace;
step S7: the right suction nozzle lifting cylinder 715 is contracted, and the right suction nozzle 717 ascends to cross the right track 19 of the furnace top;
step S8: the right suction nozzle lifting oil cylinder 715 extends out, the right suction nozzle 717 falls down, and the dust collection trolley 7 moves rightwards along the track 6 to the cleaning limit and then returns to the right track 196 of the furnace top;
step S9: the right electric butterfly valve 13 is closed, the right suction nozzle lifting oil cylinder 715 is contracted, and the right suction nozzle 717 rises to cross the right track 19 of the furnace top;
step S10: the left electric butterfly valve 711 is opened, the left suction nozzle lifting oil cylinder 710 extends out, the left suction nozzle 79 falls down, and the dust collection trolley 7 moves leftwards to the left rail 18 on the top of the furnace;
step S11: the left electric butterfly valve 711 is closed, the left suction nozzle lifting cylinder 710 is contracted, and the left suction nozzle 79 retracts to the initial position to cross the left track 18 on the top of the furnace;
step S12: the dust collection trolley 7 runs to an initial position, the rotary driving oil cylinder 11 contracts, the rotary cover 9 retracts to the initial position, and the dust removal fan 51 is closed.
Example 1
As shown in fig. 1-3, the dust collector 2, the discharge valve 1 and the scraper 3 are connected in sequence, and the scraper 3 discharges the filtered collection into the coal hopper 15 and then into a carbonization chamber during the next coal charging operation. The chain device 4 is fixed on the steel structure platform 16 and used for supporting pipelines and cables.
The dust removal fan system 5 includes the dust removal fan 51, the muffler 52, the manual butterfly valve 53, and the fan guide 54. The dust removal fan 51 is a variable frequency centrifugal fan. The manual butterfly valve 54 is arranged at the air outlet side of the dust removing fan 51, and the upper part of the manual butterfly valve is connected with the silencer 52.
The track 6 is arranged at the lower part of the steel structure platform 16 and is consistent with the length direction of the carbonization chamber.
The dust collection cart 7 comprises the frame 71, the reduction motor 72, the transmission shaft 73, the coupler 74, the bearing 75, the encoder 76, the gear 77, the rack 78, the left suction nozzle 79, the left suction nozzle lift cylinder 710, the left electric butterfly valve 711, the fixed pipe 712, the right electric butterfly valve 713, the flexible pipe i 714, the right suction nozzle lift cylinder 715, the lift cart 716, and the right suction nozzle 717. The dust collection trolley 7 is integrally hung on the track 6 through rollers arranged at the top of the rack 71 and reciprocates along the track 6. The encoder 76 is provided at the rear end of the drive shaft 73. The rack 78 is mounted on the lower portion of the steel platform 16 and is engaged with the gear 77 mounted on the top of the frame 71. The left suction nozzle 79 is installed on the lifting trolley 716, and during cleaning operation, under the traction of the speed reducing motor 72, the reciprocating walking at the top of the carbonization chamber is realized through rollers arranged at two sides. A vertical track is arranged on the frame 71, and the lifting trolley 716 moves in the vertical track through rollers under the action of the suction nozzle lifting oil cylinder. The left end of the flexible pipe I714 is connected with the left suction nozzle 79, and the right end of the flexible pipe I714 is connected with the left electric butterfly valve 711. The right end of the left electric butterfly valve 711 is connected with the fixed pipe 712. The right suction nozzle 717 is symmetrically arranged with the left suction nozzle 79.
The flexible pipe II 8 is arranged in the chain device 4. The upper end of the flexible pipe II 8 is connected with the fixed pipe 712 of the dust collection trolley 7, so that the dust collection trolley 7 can do reciprocating motion within a certain stroke.
The rotating cover 9 and the fixed cover 10 are coaxial, and two sides of the rotating cover are connected through a pin shaft. The rotating cover 9 can rotate within a certain range, and is positioned right above the ascending pipe cover 17 after rotating. The rotary driving oil cylinder 11 is arranged on the steel structure platform 16 through a support, and the front end of the rotary driving oil cylinder is connected with the rotary cover 9 through a pin shaft.
The discharge valve 1, the left electric butterfly valve 711, the right electric butterfly valve 713 and the electric butterfly valve 13 are all of a normally closed type. The air make-up valve 12 can be manually set to an opening degree according to the actually required air quantity, so that the temperature of the gas entering the dust remover is reduced to a reasonable range.
The invention only works on the suction nozzle on one side when cleaning the furnace top, and cleans the carbonization chamber once in a reciprocating way within the specified range. When the coal charging car runs on the track in the cleaning process, the track needs to be crossed and the suction nozzle needs to be replaced, and position feedback is carried out through the encoder 76.
The complete workflow is as follows: the dust collection trolley 7 is at an initial position, and all the oil cylinders are in a contraction state. The coal charging car runs to the position above the coking chamber to be charged with coal, the rotary driving oil cylinder 11 extends out, and the rotary cover 9 rises to a high position; the dust removal fan 5 is started, the electric butterfly valve 13 is opened, the ascending pipe cover 17 is opened, and the smoke dust at the ascending pipe cover 17 is collected; after a certain time, the electric butterfly valve 13 is closed, the left electric butterfly valve 711 is opened, the left suction nozzle lifting oil cylinder 710 extends, the left suction nozzle 79 falls down, and the speed reduction motor 72 works to drag the dust collection trolley 7 to move leftwards along the track 6 to the cleaning limit and return to the track 18 on the left side of the furnace top; the left electric butterfly valve 711 is closed, the left suction nozzle lifting cylinder 710 is contracted, and the left suction nozzle 79 retracts to the initial position to cross the left track 18 on the top of the furnace; the right electric butterfly valve 713 is opened, the right suction nozzle lifting oil cylinder 715 extends out, the right suction nozzle 717 falls down, and the dust collection trolley 7 moves rightwards along the track 6 to the right track 19 on the top of the furnace; the right suction nozzle lifting cylinder 715 is contracted, and the right suction nozzle 717 ascends to cross the right track 19 of the furnace top; the right suction nozzle lifting oil cylinder 715 extends out, the right suction nozzle 717 falls down, and the dust collection trolley 7 moves rightwards along the track 6 to reach the cleaning limit and then returns to the right track 19 of the furnace top; the right electric butterfly valve 713 is closed, the right suction nozzle lifting cylinder 715 contracts, and the right suction nozzle 717 ascends to cross the right track 19 on the top of the furnace; the left electric butterfly valve 711 is opened, the left suction nozzle 79 lifting oil cylinder extends out, the left suction nozzle 79 falls down, and the dust collection trolley 7 moves leftwards to the left rail 18 on the top of the furnace; the left electric butterfly valve 711 is closed, the left suction nozzle lifting oil cylinder 715 is contracted, and the left suction nozzle 79 retreats to the initial position to cross the left track 18 of the furnace top; the dust collection trolley 7 runs to an initial position; the rotary driving oil cylinder 11 contracts, and the rotary cover 9 retreats to the initial position; the dust removal fan 51 is turned off.
The discharge valve 1, the left electric butterfly valve 711, the right electric butterfly valve 713 and the electric butterfly valve 13 are all of a normally closed type. The air make-up valve 12 can be manually set to an opening degree according to the actually required air quantity to reduce the temperature of the gas entering the dust remover to a reasonable range.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (7)
1. The utility model provides a have top loading coal car and furnace roof cleaning device of tedge collection dirt function concurrently, includes top loading coal car and furnace roof cleaning device, its characterized in that, furnace roof cleaning device sets up on the top loading coal car, the top loading coal car includes steel construction platform and coal scuttle, furnace roof cleaning device includes: fixed collection dirt portion, dust removal portion and activity collection dirt portion, fixed collection dirt portion dust removal portion with activity collection dirt portion installs on the steel construction platform, fixed collection dirt portion with activity collection dirt portion pass through pipeline structure with dust removal portion links to each other, dust removal portion through scrape the trigger with the coal scuttle links to each other.
2. The furnace top cleaning device with the dust collecting function of the ascending pipe according to claim 1, wherein the fixed dust collecting part comprises a rotating cover, a fixed cover and a rotating driving cylinder, the rotating cover is arranged at the front end of the fixed cover and is coaxial with the fixed cover, the rotating cover is driven by the rotating driving cylinder, and the fixed cover is connected with the dust collecting part by a fixed dust collecting pipeline.
3. The furnace top sweeping device with the dust collecting function of the ascending pipe as claimed in claim 2, wherein the movable dust collecting part comprises a rail and a dust collection trolley, the dust collection trolley comprises a frame, a power system and a dust collection system, the power system is arranged at the upper end of the frame, and the top end of the frame is provided with rollers which are matched with the rail; the power system comprises a speed reduction motor, a transmission shaft, a coupler, a bearing, an encoder, a gear and a rack, and the track and the rack are arranged on the lower surface of the steel structure platform; the speed reducing motor is connected with the transmission shaft through the coupler, the bearing, the encoder and the gear are arranged on the transmission shaft, and the gear is matched with the rack; the dust collection system comprises a left suction nozzle, a left suction nozzle lifting oil cylinder, a left electric butterfly valve, a fixed pipe, a right electric butterfly valve, a flexible pipe I, a right suction nozzle lifting oil cylinder and a lifting trolley, wherein the fixed pipe is arranged at the center of the outer side of the frame, the left suction nozzle lifting oil cylinder and the left electric butterfly valve are arranged on the left side of the lower end of the frame, the left suction nozzle is connected to the frame through the lifting trolley, the left suction nozzle is connected with the left electric butterfly valve and the fixed pipe through the flexible pipe I, the right suction nozzle lifting oil cylinder and the right electric butterfly valve are arranged on the right side of the lower end of the frame, the right suction nozzle is connected to the frame through the lifting trolley, the right suction nozzle is connected with the right electric butterfly valve and the fixed pipe through the flexible pipe I, and the left lifting trolley controls the movement through the left suction nozzle lifting oil, the lifting trolley on the right side controls the movement through the right suction nozzle lifting oil cylinder, and the fixed pipe is connected with the dust removal part through a flexible pipe II.
4. The furnace top cleaning device with the dust collecting function of the ascending pipe as claimed in claim 3, wherein the dust removing part comprises a dust remover, a discharge valve and a dust removing blower system, the discharge valve is disposed at the lower end of the dust remover, the dust removing blower system comprises a dust removing blower, a silencer, a manual butterfly valve and a blower conduit, the silencer is connected with the air outlet of the dust removing blower through the manual butterfly valve, and the air inlet of the dust removing blower is connected with the discharge valve through the blower conduit.
5. The furnace top cleaning device with dust collecting function of ascending pipe according to claim 2, wherein said fixed dust collecting pipe comprises an air supply valve, an electric butterfly valve and a connecting pipe, said air supply valve and said electric butterfly valve are disposed on said connecting pipe, and said fixed dust collecting part is connected to said dust removing part through said connecting pipe.
6. The furnace top cleaning device with the dust collecting function of the ascending pipe as claimed in claim 3, wherein a chain device is arranged on the steel structure platform, and the flexible pipe II and the cable are arranged in the chain device.
7. An operating method of the furnace top cleaning device with dust collecting function of the ascending pipe according to any one of claims 1 to 6, characterized in that the operating method comprises the following steps:
step S1: the dust collection trolley is in an initial position, and all the oil cylinders are in a contraction state;
step S2: the top coal loading vehicle runs to the position above the carbonization chamber to be loaded with coal, the rotary driving oil cylinder extends out, and the rotary cover rises to a high position;
step S3: the dust removal fan is started, the electric butterfly valve is opened, the ascending pipe cover is opened, and smoke dust at the ascending pipe cover is collected;
step S4: after a certain time, the electric butterfly valve is closed, the left electric butterfly valve is opened, the left suction nozzle lifting oil cylinder extends out, the left suction nozzle falls down, and the speed reduction motor works to drag the dust collection trolley to move leftwards along the track to the cleaning limit and return to the left track of the furnace top;
step S5: the left electric butterfly valve is closed, the left suction nozzle lifting oil cylinder contracts, and the left suction nozzle retreats to the initial position to cross the left track of the furnace top;
step S6: the right electric butterfly valve is opened, the right suction nozzle lifting oil cylinder extends out, the right suction nozzle falls down, and the dust collection trolley moves rightwards along the track to the right track of the furnace top;
step S7: the right suction nozzle lifting oil cylinder contracts, and the right suction nozzle ascends to cross the right track of the furnace top;
step S8: the right suction nozzle lifting oil cylinder extends out, the right suction nozzle falls down, and the dust collection trolley moves rightwards along the track to the cleaning limit and then returns to the track on the right side of the furnace top;
step S9: the right electric butterfly valve is closed, the right suction nozzle lifting oil cylinder contracts, and the right suction nozzle rises to cross the right track of the furnace top;
step S10: the left electric butterfly valve is opened, the left suction nozzle lifting oil cylinder extends out, the left suction nozzle falls down, and the dust collection trolley moves leftwards to the left rail of the furnace top;
step S11: the left electric butterfly valve is closed, the left suction nozzle lifting oil cylinder contracts, and the left suction nozzle retreats to the initial position to cross the left track of the furnace top;
step S12: the dust collection trolley runs to an initial position, the rotary driving oil cylinder contracts, the rotary cover retracts to the initial position, and the dust collection fan is closed.
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| CN202110198859.8A CN112831328B (en) | 2021-02-22 | 2021-02-22 | Furnace top cleaning device with ascending pipe dust collection function and working method thereof |
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| CN202110198859.8A CN112831328B (en) | 2021-02-22 | 2021-02-22 | Furnace top cleaning device with ascending pipe dust collection function and working method thereof |
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| CN112831328B CN112831328B (en) | 2023-07-14 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114231301A (en) * | 2022-01-11 | 2022-03-25 | 南京智宝节能环保科技有限公司 | Movable automatic cleaning machine for coke oven top |
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| Publication number | Publication date |
|---|---|
| CN112831328B (en) | 2023-07-14 |
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