CN108329934B - Coal feeding system of top-loading tamping integrated coke oven - Google Patents
Coal feeding system of top-loading tamping integrated coke oven Download PDFInfo
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- CN108329934B CN108329934B CN201810289814.XA CN201810289814A CN108329934B CN 108329934 B CN108329934 B CN 108329934B CN 201810289814 A CN201810289814 A CN 201810289814A CN 108329934 B CN108329934 B CN 108329934B
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- 239000003245 coal Substances 0.000 title claims abstract description 236
- 239000000571 coke Substances 0.000 title claims abstract description 66
- 238000003860 storage Methods 0.000 claims abstract description 47
- 238000007599 discharging Methods 0.000 claims abstract description 44
- 210000001503 joint Anatomy 0.000 claims abstract description 5
- 238000005303 weighing Methods 0.000 claims description 8
- 238000004519 manufacturing process Methods 0.000 abstract description 22
- 238000004939 coking Methods 0.000 description 10
- 238000005516 engineering process Methods 0.000 description 4
- 230000008901 benefit Effects 0.000 description 2
- VAYOSLLFUXYJDT-RDTXWAMCSA-N Lysergic acid diethylamide Chemical class C1=CC(C=2[C@H](N(C)C[C@@H](C=2)C(=O)N(CC)CC)C2)=C3C2=CNC3=C1 VAYOSLLFUXYJDT-RDTXWAMCSA-N 0.000 description 1
- 238000005760 Tripper reaction Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012840 feeding operation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000002360 preparation method Methods 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
- C10B31/00—Charging devices
-
- 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
- C10B31/00—Charging devices
- C10B31/02—Charging devices for charging vertically
-
- 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
- C10B45/00—Other details
- C10B45/02—Devices for producing compact unified coal charges outside the oven
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Chemistry (AREA)
- Coke Industry (AREA)
Abstract
The invention relates to a coal feeding system of a top-loading tamping integrated coke oven, which comprises a coal tower, a top-loading coal-charging car and a tamping station, wherein the top-loading coal-charging car can move along a track of the top-loading coal-charging car between a discharging hole of a coal storage bin and a top-loading coal hole of a coke oven; the tamping station is arranged on the machine side of the coke oven compartment, the tamping station is provided with a tamping coal bucket, and the top of the tamping coal bucket is provided with a coal inlet; the movable conveying device can move along the movable conveying device track, and the movable butt joint of the discharging opening of the coal storage bin and the coal inlet of the tamping coal bucket is realized. The invention can not only meet the requirements of two production modes of top loading and tamping, but also prevent the charging coal in the coal tower from forming dead zones near the feed opening, avoid the blockage of the feed opening due to hardening of the coal, and increase the effective volume of the coal tower; and the coal feeding system can realize unattended operation through interlocking control.
Description
Technical Field
The invention relates to the technical field of coking production, in particular to a coal feeding system of a top-loading tamping integrated coke oven.
Background
In China, the main current coking technology is mainly divided into a top-loading coke oven coking technology and a tamping coke oven coking technology, and as the quality main coking coal resources in China are tense, the tamping coke oven coking coal can be added with 30% of weak caking coal at most compared with the top-loading coke oven coking technology on the premise of ensuring the same coke weight, so that the coking production cost is reduced. However, the top-loading coke oven has the advantages of simple production process, small maintenance amount of coke oven equipment and the like compared with the tamping coke oven, more and more coking enterprises tend to select the coke oven which can carry out tamping production and top-loading production based on the above reasons, and after the coke oven in the form is configured, the enterprises can switch between the coking production modes of the top-loading coke oven and the tamping coke oven according to market quotation, coal resources and other factors, so that the production mode is more flexible, and the economic benefit of the enterprises can be increased.
The top-loading coal tower of the top-loading coke oven is generally arranged above a platform between two coke ovens, a top-loading coal truck moving on the top of the coke oven can directly enter the lower part of the top-loading coal tower to receive the charging coal, the tamping coal tower of the tamping coke oven is generally arranged on the machine side of the platform of the coke oven, and the tamping coal truck is arranged on the tamping device arranged on the tamping coal tower to tamp the charging coal in the tamping box into coal cakes while receiving the charging coal below the tamping coal tower. For the coke oven coal feeding system with the top loading tamping function, the technical scheme disclosed at present is that a plurality of groups of top loading coal feed openings and a plurality of groups of tamping coal feed openings are respectively arranged at the bottom of a top loading coal tower, a coal charging car at the top of the coke oven can directly enter the lower part of the top loading coal tower to receive charging coal from the top loading coal feed openings, a fixed coal conveying belt conveyor is arranged below the tamping coal feed openings, the tamping coal is conveyed to the tamping coal tower, and the two feed openings are mutually not universal, so that the following problems are brought to the switching of the production modes of the coke oven:
(1) When the coke oven is in the production mode of the top-loading coke oven, the coal stored near the tamping coal feed opening cannot be unloaded downwards to form a dead zone, and if the production mode is not switched for a long time, the coal near the tamping coal feed opening is easy to harden and block the tamping coal feed opening. When the coke oven is switched from the top loading production mode to the tamping production mode, a large amount of labor and time are required to clean the feed opening due to hardening of coal near the tamping coal feed opening and blockage of the feed opening, and the trouble is brought to the production mode switching. Similar troubles can be encountered when the stamping production mode of the coke oven is switched from the top loading production mode.
(2) No matter what production mode the coke oven is in, because the coal near the coal feed opening forms dead zone in another production mode, the effective volume of the coal tower is reduced, and the actual coal storage capacity of the coal tower is reduced.
Disclosure of Invention
The invention provides a coal feeding system of a top-loading tamping integrated coke oven, which can not only meet the requirements of two production modes of top loading and tamping, but also prevent the charging coal in a coal tower from forming dead zones near a discharging opening, avoid the blocking of the discharging opening due to hardening of the coal, and increase the effective volume of the coal tower; and the coal feeding system can realize unattended operation through interlocking control.
In order to achieve the above purpose, the invention is realized by adopting the following technical scheme:
the coal feeding system of the top-loading tamping integrated coke oven comprises a coal tower, a top-loading coal charging car and a tamping station, wherein the coal tower is arranged above a coke oven compartment, the coal tower comprises a coal tower frame and a coal storage bin, a top-loading coal charging car track is arranged on the compartment below the coal storage bin, and the top-loading coal charging car can move along the top-loading coal charging car track between a discharging hole of the coal storage bin and a coke oven top-loading coal hole; the tamping station is arranged on the machine side of the coke oven compartment, the tamping station is provided with a tamping coal bucket, and the top of the tamping coal bucket is provided with a coal inlet; the movable conveying device is arranged above the tamping coal bucket and horizontally extends to the lower part of the coal storage bin, and can move along the movable conveying device track to realize movable butt joint of a discharging opening of the coal storage bin and a coal inlet of the tamping coal bucket.
2-4 rows of 2-5 discharging openings are arranged at the bottom of the coal storage bin, and discharging devices are respectively arranged at the bottoms of the discharging openings.
When the top-loading coal charging car is matched with the discharging opening of the coal storage bin for transporting coal, a loading and unloading chute is temporarily arranged between the discharging device and the coal inlet of the top-loading coal charging car.
The section of the track of the movable conveying device, which is positioned above the tamping coal bucket, is arranged on the top surface of the floor slab, and the section of the track, which is positioned below the coal storage bin, is fixedly connected with the coal tower frame.
The bottom of the tamping coal bucket is provided with an automatic weighing device, and the automatic weighing device, a conveying driving device of the movable conveying device and a discharging device on the coal storage bin are controlled in an interlocking manner through a control system.
The movable conveying device is a movable belt conveyor, a movable screw conveyor, a movable buried scraper conveyor, a movable vibrating conveyor or a movable chain conveyor.
When the movable conveying device is a movable belt conveyor, a plurality of fixed plow-type unloading devices are arranged on the movable belt conveyor and used for realizing multi-point unloading, the fixed plow-type unloading devices are uniformly arranged along the conveying direction of the coal, and the opening degree of the fixed plow-type unloading devices along the conveying direction of the coal is set from small to large.
When the movable conveying device is a movable screw conveyor, a movable buried scraper conveyor, a movable vibration conveyor or a movable chain conveyor, a plurality of discharge openings are formed in the bottom of the movable conveying device along the conveying direction of coal.
The discharging device is an electric gate valve or an electrohydraulic gate valve.
Compared with the prior art, the invention has the beneficial effects that:
1) The coal feeding system can meet the requirements of two production modes of top loading and tamping, and the charging coal can not form dead zones near the feed opening of the coal storage bin, so that the feed opening is prevented from being blocked due to hardening of coal;
2) All the feed openings of the coal storage bin are suitable for top loading and tamping production, and compared with the coal storage bin provided with two feed openings respectively, the coal storage capacity of the coal storage bin can be fully exerted, and the effective volume of the coal storage bin is increased;
3) The tamping coal bucket is provided with an automatic weighing device, and is controlled in an interlocking way with the movable conveying device and the discharging device at the discharging opening, and the coal tower and the tamping station can be controlled in an interlocking way to realize unattended operation during coal feeding operation.
Drawings
Fig. 1 is a schematic structural diagram of a top-loading tamping integrated coke oven coal feeding system (taking a mobile belt conveyor as an example) according to the invention.
Fig. 2 is a schematic cross-sectional structure of the coal bunker of the present invention (exemplified by a mobile belt conveyor) when the coke oven is produced in a top loading mode.
Fig. 3 is a schematic view of section A-A in fig. 1.
Fig. 4 is a schematic cross-sectional structure of a coal bunker according to the present invention (exemplified by a mobile belt conveyor) when the coke oven is produced in a tamping mode.
In the figure: 1. coal storage bin 2, tamping station 3, discharging device 4, mobile conveyor 6, mobile conveyor track 7, fixed plow discharger 8, tamping coal bucket 9, coke oven bay 10, discharging chute 11, shaking type feeder 12, tamping machine 13, top loading coal car
Detailed Description
The following is a further description of embodiments of the invention, taken in conjunction with the accompanying drawings:
as shown in fig. 1, the coal feeding system of the top-loading tamping integrated coke oven comprises a coal tower, a top-loading coal charging car 13 and a tamping station 2, wherein the coal tower is arranged above a coke oven compartment 9 and comprises a coal tower frame and a coal storage bin 1, a top-loading coal charging car track is arranged on the coke oven compartment 9 below the coal storage bin 1, and the top-loading coal charging car 13 can move between a discharging opening 3 of the coal storage bin 1 and a coke oven top-loading coal charging opening along the top-loading coal charging car track; the tamping station 2 is arranged on the machine side of the coke oven chamber 9, the tamping station 2 is provided with a tamping coal bucket 8, and the top of the tamping coal bucket 8 is provided with a coal inlet; the device also comprises a movable conveying device 5 and a movable conveying device track 6, wherein the movable conveying device track 6 is arranged above the tamping coal bucket 8 and horizontally extends to the lower part of the coal storage bin 1, the movable conveying device 5 can move along the movable conveying device track 6, and the movable butt joint of the discharging opening of the coal storage bin 1 and the coal inlet of the tamping coal bucket 8 is realized.
2-4 rows of 2-5 discharging openings are arranged at the lower part of the coal storage bin 1, and discharging devices 4 are respectively arranged at the bottoms of the discharging openings.
When the top-loading coal charging car 13 and the discharging opening 3 of the coal storage bin 1 are matched for coal transportation, the loading and unloading chute 10 is temporarily added between the discharging device 4 and the coal inlet of the top-loading coal charging car 13.
The section of the movable conveying device track 6 above the tamping coal bucket 8 is arranged on the top surface of the floor slab, and the section below the coal storage bin 1 is fixedly connected with the coal tower frame.
The bottom of the tamping coal bucket 8 is provided with an automatic weighing device, and the automatic weighing device, a conveying driving device of the movable conveying device 5 and a discharging device 4 on the coal storage bin 1 are controlled in an interlocking way through a control system.
The movable conveying device 5 is a movable belt conveyor, a movable screw conveyor, a movable buried scraper conveyor, a movable vibrating conveyor or a movable chain conveyor.
When the mobile conveying device 5 is a mobile belt conveyor, a plurality of fixed plow-type unloading devices 7 are arranged on the mobile belt conveyor and used for realizing multi-point unloading, the fixed plow-type unloading devices 7 are uniformly arranged along the conveying direction of the coal, and the opening degree of the fixed plow-type unloading devices 7 along the conveying direction of the coal is set from small to large.
When the movable conveying device 5 is a movable screw conveyor, a movable buried scraper conveyor, a movable vibration conveyor or a movable chain conveyor, a plurality of discharge openings are arranged at the bottom of the movable conveying device 5 along the conveying direction of the coal.
The discharging device 4 is an electric gate valve or an electrohydraulic gate valve.
The invention relates to a coal feeding system of a top-loading tamping integrated coke oven, which mainly comprises a fixed coal storage device and a movable coal conveying device, wherein the fixed coal storage device comprises a coal storage bin 1 arranged right above a coke oven compartment 9, a tamping coal bucket 8 arranged in a tamping station 2 at the side of the coke oven compartment 9, and the movable coal conveying device comprises a top-loading coal truck 13 used for loading coal at the top of the coke oven, and a movable conveying device 5 used for conveying coal in the coal tower into the tamping coal bucket 8.
As shown in fig. 1, the coal preparation plant feeds coal into a coal storage bin 1 of a coal tower, and the coal storage bin 1 generally stores the amount of coal required for coke oven production for 8-16 hours.
As shown in fig. 2, when the top-loading tamping integrated coke oven is produced in a top-loading mode, the movable conveying device 5 is moved to the tamping station 2 along the movable conveying device rail 6, the top-loading coal charging car 13 is moved to the lower part of the coal storage bin 1 along the top-loading coal charging car rail, the discharging chute 10 is temporarily installed at the bottom of the discharging device 4 corresponding to the discharging opening 3 of the coal storage bin 1, the discharging device 4 is started, and the coal in the coal storage bin 1 can enter the top-loading coal charging car 13 through the discharging device 4 and the discharging chute 10.
As shown in fig. 1, 3 and 4, the movable conveying device 5 is a movable belt conveyor, 2-6 fixed plow-type trippers 7 are arranged on the movable belt conveyor, and the opening degree of each fixed plow-type tripper 7 is gradually increased from small to large along the conveying direction of coal, so that the movable conveying device 5 is ensured to uniformly distribute in the length direction of the tamping coal hopper 8.
When the top-loading and tamping integrated coke oven is produced in a tamping mode, firstly, the top-loading coal charging car 13 is moved away from the lower part of the coal storage bin 1, the discharging chute 10 is removed, then the movable conveying device 5 is moved into the coke oven compartment 9 along the movable conveying device track 6, the receiving opening of the movable conveying device 5 is in butt joint with the discharging device 4 of the coal storage bin 1 (as shown in fig. 4), at the moment, a plurality of discharging points of the movable conveying device 5 are all positioned above the coal inlet of the tamping coal bucket 8, the discharging device 4 and the movable conveying device 5 are opened, and the charging coal can be fed into the tamping coal bucket 8 of the tamping station 2 through the discharging device 4 and the conveying type conveying device 5.
As shown in fig. 3, the tamping station 2 is provided with 2 tamping hoppers 8, and a shaking feeder 11 for feeding charged coal into the tamping boxes of the tamping coal car is provided at the bottom of the tamping hoppers 8, while a tamping machine 12 provided at the tamping station 2 is used for tamping the coal of the tamping boxes into briquettes.
The tamping coal bucket 8 has an automatic weighing function and is controlled in an interlocking manner with the movable conveying device 5 and the unloading device 4, when the weight of the tamping coal bucket 8 is lower than a set minimum limit value, the unloading device 4 and the movable conveying device 5 are started to feed coal into the tamping coal bucket 8, and when the weight of the tamping coal bucket 8 is higher than the set maximum limit value, the unloading device 4 and the movable conveying device 5 are closed to stop feeding coal into the tamping coal bucket 8.
The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.
Claims (9)
1. The coal feeding system of the top-loading tamping integrated coke oven comprises a coal tower, a top-loading coal charging car and a tamping station, wherein the coal tower is arranged above a coke oven compartment, the coal tower comprises a coal tower frame and a coal storage bin, a top-loading coal charging car track is arranged on the coke oven compartment below the coal storage bin, and the top-loading coal charging car can move along the top-loading coal charging car track between a discharging hole of the coal storage bin and a coke oven top-loading coal hole; the tamping station is arranged on the machine side of the coke oven compartment, the tamping station is provided with a tamping coal bucket, and the top of the tamping coal bucket is provided with a coal inlet; the device is characterized by further comprising a movable conveying device and a movable conveying device track, wherein the movable conveying device track is arranged above the tamping coal bucket and horizontally extends to the lower part of the coal storage bin, the movable conveying device can move along the movable conveying device track, and the movable butt joint of a discharging opening of the coal storage bin and a coal inlet of the tamping coal bucket is realized.
2. The coal feeding system of the top-loading tamping integrated coke oven according to claim 1, wherein 2-4 rows of 2-5 discharging openings are arranged at the bottom of the coal storage bin, and discharging devices are respectively arranged at the bottoms of the discharging openings.
3. The coal feeding system of a top-loading tamping integrated coke oven of claim 2, wherein a loading and unloading chute is temporarily added between the unloading device and the coal inlet of the top-loading coal-loading vehicle when the top-loading coal-loading vehicle and the coal inlet of the coal storage bin are matched for transporting coal.
4. The coal feeding system of a top-loading tamping integrated coke oven of claim 1, wherein a section of the movable conveyor track above the tamping coal bucket is arranged on the top surface of the floor, and a section of the movable conveyor track below the coal storage bin is fixedly connected with the coal tower frame.
5. The coal feeding system of the top-loading tamping integrated coke oven according to claim 1, wherein an automatic weighing device is arranged at the bottom of the tamping coal bucket, and the automatic weighing device is controlled in an interlocking manner with a conveying driving device of the movable conveying device and a discharging device on the coal storage bin through a control system.
6. The coal feeding system of a top-loading tamping integrated coke oven of claim 1, wherein the mobile conveyor device is a mobile belt conveyor, a mobile screw conveyor, a mobile buried scraper conveyor, a mobile vibrating conveyor, or a mobile chain conveyor.
7. The coal feeding system of a top loading and tamping integrated coke oven according to claim 1, wherein when the movable conveyor is a movable belt conveyor, a plurality of fixed plow-type ejectors are arranged on the movable belt conveyor for realizing multi-point unloading, each fixed plow-type ejectors are uniformly arranged along the conveying direction of coal, and the opening degree of each fixed plow-type ejectors along the conveying direction of coal is set from small to large.
8. The coal feeding system of a top-loading tamping integrated coke oven according to claim 1, wherein when the movable conveying device is a movable screw conveyor, a movable buried scraper conveyor, a movable vibrating conveyor or a movable chain conveyor, a plurality of discharge openings are arranged at the bottom of the movable conveying device along the conveying direction of coal.
9. The coal feeding system of a top-loading tamping integrated coke oven of claim 2, wherein the discharging device is an electric gate valve or an electrohydraulic gate valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810289814.XA CN108329934B (en) | 2018-03-30 | 2018-03-30 | Coal feeding system of top-loading tamping integrated coke oven |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810289814.XA CN108329934B (en) | 2018-03-30 | 2018-03-30 | Coal feeding system of top-loading tamping integrated coke oven |
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| Publication Number | Publication Date |
|---|---|
| CN108329934A CN108329934A (en) | 2018-07-27 |
| CN108329934B true CN108329934B (en) | 2024-02-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810289814.XA Active CN108329934B (en) | 2018-03-30 | 2018-03-30 | Coal feeding system of top-loading tamping integrated coke oven |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109368224A (en) * | 2018-11-15 | 2019-02-22 | 山西沁新能源集团股份有限公司 | Top for coke oven is coaling system |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103805216A (en) * | 2014-02-14 | 2014-05-21 | 辽宁科技大学工程技术有限公司 | Tamping station with 7.63m top-mounted coke oven improved into tamping coking |
| CN103992803A (en) * | 2014-06-09 | 2014-08-20 | 济钢集团国际工程技术有限公司 | Coke oven equipment capable of producing tamped coke and top-mounted coke |
| CN209161940U (en) * | 2018-03-30 | 2019-07-26 | 中冶焦耐(大连)工程技术有限公司 | A kind of top dress makes the coal supply system of integrated coke oven firm by ramming |
-
2018
- 2018-03-30 CN CN201810289814.XA patent/CN108329934B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103805216A (en) * | 2014-02-14 | 2014-05-21 | 辽宁科技大学工程技术有限公司 | Tamping station with 7.63m top-mounted coke oven improved into tamping coking |
| CN103992803A (en) * | 2014-06-09 | 2014-08-20 | 济钢集团国际工程技术有限公司 | Coke oven equipment capable of producing tamped coke and top-mounted coke |
| CN209161940U (en) * | 2018-03-30 | 2019-07-26 | 中冶焦耐(大连)工程技术有限公司 | A kind of top dress makes the coal supply system of integrated coke oven firm by ramming |
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