CN106398725B - Coal leveling and compacting device and method for top-loading coke oven - Google Patents
Coal leveling and compacting device and method for top-loading coke oven Download PDFInfo
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- CN106398725B CN106398725B CN201610835020.XA CN201610835020A CN106398725B CN 106398725 B CN106398725 B CN 106398725B CN 201610835020 A CN201610835020 A CN 201610835020A CN 106398725 B CN106398725 B CN 106398725B
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- leveling bar
- compression roll
- elastic device
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- 239000003245 coal Substances 0.000 title claims abstract description 145
- 239000000571 coke Substances 0.000 title claims abstract description 97
- 238000000034 method Methods 0.000 title claims abstract description 28
- 238000005056 compaction Methods 0.000 claims abstract description 50
- 238000007906 compression Methods 0.000 claims description 98
- 230000006835 compression Effects 0.000 claims description 98
- 229910000639 Spring steel Inorganic materials 0.000 claims description 28
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 16
- 230000033001 locomotion Effects 0.000 claims description 8
- 229910052742 iron Inorganic materials 0.000 claims description 7
- 230000009471 action Effects 0.000 claims description 5
- 230000008878 coupling Effects 0.000 claims description 5
- 238000010168 coupling process Methods 0.000 claims description 5
- 238000005859 coupling reaction Methods 0.000 claims description 5
- 238000005096 rolling process Methods 0.000 claims description 4
- 238000005520 cutting process Methods 0.000 claims description 3
- 230000005611 electricity Effects 0.000 claims description 3
- 238000003763 carbonization Methods 0.000 abstract description 8
- 238000005516 engineering process Methods 0.000 description 14
- 238000004939 coking Methods 0.000 description 13
- 230000008569 process Effects 0.000 description 12
- 230000000694 effects Effects 0.000 description 10
- 238000004519 manufacturing process Methods 0.000 description 9
- 238000010586 diagram Methods 0.000 description 5
- 230000008859 change Effects 0.000 description 4
- 230000005484 gravity Effects 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 3
- 238000003912 environmental pollution Methods 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- 230000007246 mechanism Effects 0.000 description 3
- 230000009257 reactivity Effects 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 239000010410 layer Substances 0.000 description 2
- 230000035699 permeability Effects 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 239000002344 surface layer Substances 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 238000003723 Smelting Methods 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 230000003750 conditioning effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000003546 flue gas Substances 0.000 description 1
- 238000007373 indentation Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
- 230000000171 quenching effect Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000004148 unit process 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
- C10B37/00—Mechanical treatments of coal charges in the oven
- C10B37/04—Compressing charges
-
- 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
- C10B37/00—Mechanical treatments of coal charges in the oven
- C10B37/02—Levelling charges, e.g. with bars
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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 discloses a flat coal compacting device and a method for a top-loading coke oven, wherein the device comprises a support rod, an elastic device, a traction device, a compacting roller, a crowbar and a clamping seat, wherein the support rod, the elastic device, the traction device, the compacting roller, the crowbar and the clamping seat are arranged on a flat coal rod; the support rod is vertically fixed on the coal leveling rod, the elastic device and the traction device are respectively connected with the support rod, the elastic device and the traction device share one support rod or are respectively provided with the support rod, and the traction device is higher than the elastic device; the compaction roller is limited on the coal leveling rod through a crowbar and a clamping seat, and the compaction roller is drawn through a drawing device; the top end of the crowbar is connected to the elastic device, and the bottom end of the crowbar is obliquely inserted into the coal leveling rod. The invention realizes the coal compaction operation in the closed space of the coke oven by the roller, shaft and chain linkage mechanical device, improves the bulk density of the coal as fired in the carbonization chamber in a shorter operation time, increases the coal loading amount, and simultaneously does not pollute the environment, thereby achieving the purpose of improving the coke quality and the coke yield.
Description
Technical field
The invention belongs to metallurgical coking production technical field, it is related to a kind of flat coal compaction apparatus of top dress coke oven and method, it is special
It is not related to a kind of top dress flat coal compaction apparatus of coke oven that coke quality and yield are improved by coalingging compacting raising heap density
And method.
Background technique
With the continuous development and raising of blast furnace smelting technology and equipment, the requirement of blast furnace Coke Quality is more and more tight
Lattice, although the development of oxygen enriched blast coal injection new technology etc., coke has as the effect for thermit powder, carbon supplying agenty and reducing agent of blast furnace
It is reduced, but coke protects the effect of gas permeability and liquid permeability in blast furnace to be reinforced instead, be current blast furnace as skeleton
Irreplaceable raw material in ironmaking processes.
China's blast furnace metallurgical coke is using chamber type coking process.Existing coking technology is invariably to improve coke production
Amount, quality expand coal for coking source to reduce production cost, the limited coking coal resource of protection as starting point.It is above-mentioned to reach
Purpose, it is main to be realized using techniques such as the heap density, supplying additive and the application dry coke quenching that increase as-fired coal.Increase coal charge heap
The measure of density includes improving carbonization chamber height, coal conditioning technique, tamping technology and with shaped coal technology etc..
Modern coke oven can be fed according to the mode of coalingging, heating gas and air mode, combustion chamber quirk form, realize it is high to
The differences such as homogeneous heating mode and air-flow regulative mode are classified.Each coke oven form is by reasonable group to classify above
It closes and constitutes.It there are top dress (in bulk) coke oven and side dress (making firm by ramming) coke oven according to the mode coke oven of coalingging.Top dress coke oven is raw in coking
It during production, needs to carry out as-fired coal in carbonization chamber in the stage of coalingging to be bulldozed processing, is commonly called as " flat coal " operation, is stayed after coalingging
Under angle of rest (repose) be bulldozed, with reach increase coke oven coal-charging amount, improve coke output purpose.
In actual coking production process, top dress coke oven is since by itself furnace structure feature, there are the following problems: 1,
Above and below as-fired coal heap density variation it is larger caused by carbonization chamber upper and lower part coke quality difference is big and the burnt production of upper metallurgical
It measures lower；2, with the growth in furnace life, the difficulty for improving coke output again in the case where full production is larger；3, with height
The direction of furnace towards enlargement is developed, and more stringent requirements are proposed for the quality of STRENGTH ON COKE, when Blending does not change, mentions
The difficulty of high coke quality is larger.
Therefore, how coke output is improved using existing top dress coke oven and quality is always the difficulty that coking production is faced
Topic.
It is new by looking into, some the relevant technologies are retrieved, such as:
A kind of " pressure coal coal leveling device (CN202849318U) of the pusher machine " technology provide it is a kind of not only have it is flat it is logical,
Smooth, flat balancing function and the compacting that can will coaling, coaling, and structure is simple more, Yi Genghuan, the long pusher machine of service life
Press coal coal leveling device.
The technology has following defects that first in the whole process briquetting machine active force acts predominantly on two blocks of side plates,
To the force limited of coal, when encountering charing inner surface has recess lower than coal leveling device, roller will hang on coal leveling device
Between coal surface, coal surface no pressure is acted on.
" the flat coal method (CN105001884A) of the coke oven " technology provides a kind of flat coal method of coke oven, can compress
Coking coal in real coke oven increases the heap density of coking coal, and then improves coke quality.Leveling bar extension end belongs in the technology
In hard link, connecting portion make the leveling bar successively stretched out can not all the gravity of itself support force of leveling bar
With on coal, therefore, the effect that coal leveling device is compacted coal is reduced.
" coke oven coal leveling device (the CN204569810U) " technology provides one kind and overcomes existing top dress coke oven coal leveling bar not
The coke oven coal leveling device of foot place using gravity and rolls principle, can compress layer by layer coal charge, flatten.Wherein related in the technology
And flat coal compaction apparatus part that surface layer coal is directly compacted be lever fifth wheel, to coal compacting predominant intermolecular forces from flat
To the support force of lever fifth wheel during the back-and-forth motion of coal bar, when coal surface bulge is higher, support force is larger, when coal surface
When being recessed, lever fifth wheel is suspended between leveling bar and coal surface, and support force is obviously reduced, is even not present, that is,
Say that the lever fifth wheel that is connected on leveling bar to the support force effect on coal surface and uneven, and presses the maximum on coal surface
Power is no more than the support force in leveling bar traveling process to lever fifth wheel, and mass action effect is limited.
A kind of " leveling bar (CN105885878A) with the vibrating compacting function " technology provides a kind of with vibration
The leveling bar of compacting functions, is arranged vibrating compaction device on leveling bar, so that squeeze board is generated vibration, benefit using starting vibrator
The upper and lower flat work of flapping that squeeze board is realized with four-bar mechanism is realized the purpose of coal compacting at the top of the dress coke oven of top.But the technology
Vibrating compacting function leveling bar used has a big chunk power on vertical direction due to being acted on by leveling bar connection four-bar mechanism
Act on the connecting portion of leveling bar and double leval jib；When coal surface occurs uneven, simple vibration be can not achieve
The Effective Compaction of coal in coke oven, and the four-bar mechanism vibrator being connected on leveling bar influences leveling bar to a certain extent
Normal walking；In addition, effect of vibration is possible to that brickwork structure can be damaged, coke oven service life is reduced, charing is easily caused
Room raw coke oven gas string drains to combustion chamber, finally makes flue gas emission not up to standard, causes environmental pollution.
Therefore, for deficiency existing for the dress coke oven coal leveling bar device of existing top and top dress coke oven production actual demand and hair
Exhibition trend, it is necessary to develop a kind of easy, efficient, practical coal compaction apparatus, and close by flat coal compaction apparatus raising heap
Method of the degree to improve coke quality and yield.
Summary of the invention
It is deposited in terms of improving coke quality and coke output as caused by itself process characteristic for existing top dress coke oven
Limitation, it is necessary to develop a kind of easy, efficient, practical coal compacting work using existing top dress coking by coke oven process units
Process and equipment and method interlock mechanical device by roller, axis, chain and realize the coal compacting operation in coke oven enclosure space, shorter
The heap density that carbonization chamber as-fired coal is improved in operating time, increases coal capacity, while free from environmental pollution, to reach raising coke
The purpose of quality and coke output.
The present invention is achieved through the following technical solutions:
A kind of top dress flat coal compaction apparatus of coke oven, including leveling bar, leveling bar are equipped with support rod, elastic device, traction
Device, compression roll, crowbar, deck；The support rod is vertically fixed on leveling bar, elastic device and traction device respectively with branch
Strut connection, elastic device and traction device share a support rod or support rod are respectively set, and traction device setting height is high
In elastic device；Through crowbar, deck limit on leveling bar, compression roll is drawn the compression roll by traction device；
The top of the crowbar is connected on elastic device, and the bottom end oblique cutting of crowbar is in leveling bar.
The elastic device includes support plate, spring steel, electromagnet；The spring steel is around being entangled in the outer of support rod
The bottom end of side, spring steel is fixed on leveling bar, and spring steel does the movement on vertical direction along support rod, in spring steel
Top be equipped with and cover the support plate on support rod, it is below support plate and solid respectively on leveling bar corresponding below support plate
Surely there is electromagnet, elastic device carries out Electromagnetic Control by the attraction that corresponding electromagnet generates.
The traction device includes haulage chain, electronic axle, motor, bracket；Bracket is fixed on support rod, electronic axle
Axle bed and motor are fixed on bracket, and electronic axle is connect by shaft coupling with motor；Haulage chain is in " bifurcation " shape, haulage chain
One end and electronic axis connection, two endpoints of the central axis of the other end and compression roll be attached.
The top of the crowbar is connected in the support plate of elastic device, and is moved up and down with support plate；Under in crowbar
End is equipped with long hole, and fixing axle passes through long hole, and fixed both ends of the shaft is fixed on leveling bar two sidewalls, and crowbar can be with consolidating in long hole
Dead axle is that arc core carries out moving.
The shape of the compression roll is elliposoidal, spheroidal, cylinder, and leveling bar front end is arranged according to compacting roll shape
For bucking ladder inclined-plane.
The deck top is set as triangle cone, and deck bottom end connect by plate with spring, the other end of spring with put down
Coal bar indent groove bottom is fixedly connected, and four walls of groove and bottom surface are iron sheet package, and deck is together with plate, spring in vertical external force
It is contracted in leveling bar under effect along groove inner wall face, after external force disappears, deck is bounced by spring again together with plate, and plate bounces
Height is no more than the upper surface of leveling bar.
It is equipped with coal scraper plate close to the bottom at coke side end in leveling bar, coal scraper plate is designed as fixed vertical type, folding, indulges
To telescopic, shape is divided into triangular pyramidal, arc-shaped, rectangle, and coal scraper plate of different shapes provides the chase that compression roll is advanced
Track.
When support rod is respectively set in elastic device and traction device, limit is equipped in the post upper where elastic device
Position device.
A method of the flat coal compacting of top dress coke oven, it is characterised in that the following steps are included:
Step 1: after compaction apparatus enters coke oven, elastic device is in the open state, and the electromagnet in elastic device generates
Electromagnetic force, electromagnet, which attracts each other, compresses the spring steel that support rod outside curls, and elastic device generates elastic force；Compression roll is limited
Position is between leveling bar, crowbar and deck；
Step 2: when compaction apparatus is exited from coke side to pusher side, elastic device is closed, the electricity of control elastic device compression
Electromagnetic attraction disappears between magnet, and further upper end electromagnet is bounced together with support plate by moment, and further top is connected to
Crowbar in support plate is also bounced, and also moment becomes larger angle therewith between crowbar and leveling bar；Crowbar agitates compression roll, is prizing
Rod is under the action of external prying force, and compression roll starts to outer rolling, and deck is pressed into leveling bar by compression roll, and compression roll is along leveling bar
The bucking ladder inclined-plane forward direction of front end drops down onto coal surface；During compression roll forward direction tumbles, compression roll central axis pulls haulage chain,
Traction device electronic axle rotates forward therewith, and haulage chain is elongated therewith；
Step 3: during compaction apparatus is exited from coke side to pusher side, traction device pulls compression roll to exist by haulage chain
Coal surface is rolled, and the travel speed of compression roll is consistent with compaction apparatus rate of withdraw；
Step 4: when compaction apparatus does not exit coke oven completely, the traction motor being located on support rod, motor are opened
Electronic axle rotate backward, haulage chain is wound into electronic axle, at the same draw compression roll by leveling bar front end bucking ladder it is oblique
Face goes back to leveling bar top again, and after compression roll reversely rolls across deck, deck is bounced again by lower end spring, while elasticity dress
Unlatching is set, the electromagnet in further elastic device generates electromagnetic force, and electromagnet attracts each other again, the spring in elastic device
Steel part is re-compressed, and crowbar top falls with the support plate in elastic device, becomes the angle of crowbar and leveling bar
It is small；Under the traction of haulage chain, compression roll is retightened between crowbar, deck and leveling bar, becomes step 1 institute again
State is stated, compaction apparatus exits coke oven.
Further, flat coal operation is carried out before step 2, leveling bar drives coal scraper plate movement, so that coal surface in coke oven
There is chase.
Compared with prior art, effect of the invention is in flat coal compacting process, and flat coal is independent of each other with compacting operation,
Mechanical device is interlocked by roller, axis, chain and realizes the coal compacting operation in coke oven enclosure space, is especially compacted in compacting process
Roller self gravity all acts in furnace on coal, and compression roll exits process with leveling bar on coal surface can be by coal Effective Compaction.
It is short, high-efficient the time required to flat coal compacting operation.By compression roll compaction, it can effectively increase coke oven coal-charging heap density, change
Bond performance during kind feed coal coking, improves coke quality, improves unit process coke output, reduces coking and is produced into
This, and then economize on resources, is free from environmental pollution, promote the sustainable development of coal chemical enterprise.
Detailed description of the invention
Fig. 1 is compaction apparatus side schematic view when leveling bar enters carbonization chamber；
Fig. 2 is compaction apparatus side schematic view when leveling bar exits carbonization chamber；
Fig. 3 is the elastic device and traction device schematic diagram connected by support rod；
Fig. 4 is the elastic device schematic diagram of discrete setting；
Fig. 5 is that traction device draws compression roll schematic diagram；
Fig. 6 is deck schematic illustration；
Fig. 7 is crowbar and crowbar motion principle schematic diagram；
Fig. 8 is the coal scraper plate schematic diagram in coal compaction apparatus.
Wherein: haulage chain 1, electronic axle 2, support rod 3, support plate 4, spring steel 5, compression roll 6, central axis 7, deck 8,
Coal scraper plate 9, fixing axle 10, crowbar 11, leveling bar 12, motor 13, bracket 14, electromagnet 15, limiter 16, long hole 17 are put down
Plate 18, spring 19.
Specific embodiment
The present invention is described in further detail below in conjunction with the accompanying drawings.
As shown in Figure 1, 2, a kind of top fills the flat coal compaction apparatus of coke oven, including leveling bar 12, and leveling bar 12 is equipped with support
Bar 3, elastic device, traction device, compression roll 6, crowbar 11, deck 8, coal scraper plate 9；The compression roll 6 passes through crowbar 11, deck
On leveling bar 12, compression roll 6 is drawn by traction device for 8 limits；The top of the crowbar 11 is connected to elastic device
On, the bottom end oblique cutting of crowbar 11 is in leveling bar 12；The coal scraper plate 9 is located at leveling bar 12 close to the bottom at coke side end.
Elastic device and traction device are connect with support rod 3 respectively, and elastic device and traction device share a support rod
Or support rod is respectively set, traction device setting height is higher than elastic device.As shown in figure 3, the elastic device is located at traction
Between device and leveling bar 12, belong to integral structure.Elastic device mainly includes support plate 4, spring steel 5, electromagnet 15.
The support rod 3 is vertically fixed on leveling bar 12, bracket 14 is fixed on support rod 3, and be fixedly connected and lead by bracket 14
Leading-in device.Around spring steel 5 is tied with, the bottom end of spring steel 5 is fixed on leveling bar 12 in support rod 3 outside；Spring steel 5 can
The movement on vertical direction is done along support rod 3, is equipped on the top of spring steel 5 and covers the support plate 4 on support rod 3.It is described
Elastic device can also with the discrete setting of traction device, by other they sup-port traction device (figure omit), i.e., on support rod 3
It is not provided with bracket 14, is being equipped with limiter 16 close to 3 top of support rod, limiter 16 can prevent 5 elastic force of spring steel excessive
Support plate 4 is set to fall off from 3 top of support rod, as shown in Figure 4.The lower end centerline of support plate 4 and the top of crowbar 11 carry out
Be fixedly connected, support plate 4 is fixed with electromagnet 15 in both ends below, the spring energy that the compression of spring steel 5 generates make support plate 4 together with
The electromagnet 15 at both ends bounces support plate 4 together below, support plate 4 below and with the corresponding leveling bar 12 below of support plate 4
On be respectively fixed with electromagnet 15.
When elastic device is in the open state, the electromagnet 15 in elastic device generates electromagnetic force, and electromagnet 15 is mutually inhaled
The spring steel 5 curled on the outside of impulse contracting support rod 3, elastic device generate elastic force；
When elastic device is in close state, the mutual electromagnetic force of electromagnet 15 disappears, and compresses and generates before spring steel 5
Elastic force moment be released, upward elastic force make support plate 4 and be fixed on support plate 4 below both ends electromagnet 15 by wink
Between bounce, while push up draw crowbar 11, so that angle between crowbar 11 and leveling bar 12 is become larger, and then by compression roll 6 from leveling bar 12
Sled is to coal surface, as shown in Figure 2.
The traction device is mainly made of haulage chain 1, electronic axle 2, motor 13, bracket 14 etc., as shown in Figure 3.Bullet
Property device and traction device when sharing a support rod 3, traction device is located at the top of elastic device, the axle bed of electronic axle 2 and
Motor 13 is fixed on the bracket 14 on 3 top of support rod, and electronic axle 2 is connect by shaft coupling with motor 13.
Haulage chain 1 consists of two parts, and is in " bifurcation " shape, wherein an end is fixed in traction device electronic axle 2, with electricity
2 coupling part of moving axis is flexible iron chains；Two endpoints of the central axis 7 of another end and compression roll 6 of haulage chain 1 are cut with scissors
It connects, cannot be bent with the haulage chain of 7 coupling part of central axis, to fix the iron frame of shape, in order to avoid go out with the compression roll 6 in traveling
It now winds, as shown in Figure 5.
The length of haulage chain 1 is mainly controlled by motor 13 and electronic axle 2, the flexible iron chains portion in haulage chain 1
Divide maximum length up to 1000mm.It is tumbled from leveling bar 12 into coal surface process in compression roll 6, the pulling of compression roll 6 is coiled in
The haulage chain 1 of traction device electronic axle 2, electronic axle 2 positive freedom can rotate therewith.When motor 13 is opened in traction device
Afterwards, it drives electronic axle 2 to rotate backward, with gradually coiling of the haulage chain 1 in electronic axle 2, is connected to electronic axle 2 and compression roll
Haulage chain 1 between 6 is gradually shortened；Traction device passes through the shortening of the haulage chain 1 between electronic axle 2 and compression roll 6, and realization is led
Compression roll 6 is drawn to go back on leveling bar 12.
When traction device drawing compression roll 6 is in coal surface scrolls, without starting motor 13, due to connecting with traction device
The support rod 3 connect is vertically fixed on leveling bar 12, and traction device can exit coke oven with leveling bar 12, and then pass through traction
Chain 1 pulls compression roll 6 in coal surface scrolls.
The compression roll central axis 7 and compression roll 6 are in integrally connected, and central axis 7 rotates simultaneously with compression roll 6.Compression roll
Central axis 7 can also be in axis connection with compression roll 6, and compression roll 6 is rotated around central axis 7.6 shape of compression roll can be ellipsoid
Shape, spheroidal, cylinder.The weight of compression roll 6 is 100~300kg.6 width of compression roll is no more than 380mm, and maximum height is not
More than 160mm.Compression roll 6 is through the limit of the components such as crowbar 11, deck 8 on leveling bar 12, and compression roll 6 is in coal surface rolling speed
It spends consistent from coke side to pusher side travel speed with leveling bar 12.
Compression roll 6 is characterized in that: compression roll 6 is advanced in the chase track of coal surface, in traveling process compression roll 6 from
Body gravity all acts on coal surface layer, and compression roll 6 is advanced on coal surface once can be by coal Effective Compaction.
12 20000~30000mm of overall length of leveling bar, 10000~20000mm of stroke, 12 front end of leveling bar is set as trapezoidal
Platform inclined-plane, further compression roll 6 can be tumbled smoothly to coal surface and be gone back on leveling bar 12.
The deck 8 that fixed compression roll 6 acts on is equipped on leveling bar 12,8 top of deck is set as triangle cone, is easy to make
Compression roll 6 can roll deck 8 to leveling bar 12；Deck 8, plate 18 and spring 19 are from top to bottom sequentially connected, plate
18 purposes make deck 8 do vertical direction movement in leveling bar 12, and the other end and 12 indent groove bottom of leveling bar of spring 19 are solid
Fixed connection, four walls of groove and bottom surface are iron sheet package, and deck 8 can be in vertical external force lower edge together with plate 18, spring 19
Groove inner wall face is contracted in leveling bar 12, and after compression roll 6 leaves 8 position of deck, the external force acted on deck 8 disappears,
Deck 8 can be bounced together with plate 18 by spring 19 again, and 18 bounce amount of plate is no more than the upper surface of leveling bar 12, and deck 8 is made
It is as shown in Figure 6 with principle.When elastic device keeps the generation of crowbar 11 sufficiently large to the prying force and 13 tractive force of motor of compression roll 6
When, deck 8 can also be directly fixedly mounted on leveling bar 12.
The top of the crowbar 11 is connected in support plate 4, can be jacked up with support plate 4 by spring steel 5, in crowbar 11
Lower end is equipped with long hole 17, and long hole 17 pops up the change in displacement for making crowbar 11 tilt generation, long hole to meet elastic device
17 length is greater than crowbar 11 and tilts the change in displacement generated, and then does not limit bouncing for elastic device.
A length of 100~the 200mm of crowbar 11, width are 20~60mm.Fixing axle 10 is secured transverse on 12 two sidewalls of leveling bar,
Fixing axle 10 passes through the long hole 17 of crowbar 11, since 11 top of crowbar is connected to below the support plate 4 of elastic device at center, and
It can be jacked up with support plate 4 by spring steel 5, crowbar 11 is that arc core carries out with 17 inner stationary shaft 10 of long hole during being bounced
Moving, as shown in Figure 7.
When elastic device does not bounce, crowbar 11 some be located in leveling bar 12.After elastic device bounces suddenly, sled
Rod 11 moves upwards under the action of elastic device elastic traction power, and then crowbar 11 becomes larger with 12 angle of leveling bar, prizes simultaneously
Rod 11 is located at 12 inner part of leveling bar and shortens.
The coal scraper plate 9 is in leveling bar 12 close to the bottom at coke side end, and in fixed vertical type, the width of coal scraper plate 9 is less than
Width of charring chamber, it is obvious in order to make coal scraper plate 9 scrape ditch effect, it smoothly passes in and out small fire door and goes on smoothly flat coal operation, coal scraper plate 9
Width is set as 200mm, is highly 70mm.The shape of coal scraper plate 9 can be triangular pyramidal (as shown in Figure 8), arc-shaped, rectangular
Shape, and then compression roll 6 of different shapes is designed according to the shape of coal scraper plate 9, coal scraper plate 9 of different shapes provides 6 row of compression roll
Into chase track, avoid compression roll 6 from hitting furnace wall, the top vertical height from the bottom of coal scraper plate 9 to traction device is
450mm。
Haulage chain 1 in compaction apparatus, electronic axle 2, support rod 3, support plate 4, spring steel 5, compression roll 6, central axis
7, deck 8, coal scraper plate 9, fixing axle 10, crowbar 11, leveling bar 12, motor 13, bracket 14, limiter 16, plate 18, spring
19 equal components are high temperature resistance and high strength steel construction, and high density, high-temperature alloy can be filled in compression roll 6.
A kind of top dress flat coal debulking methods of coke oven, it is characterised in that after compaction apparatus repeatedly kicks into carbonization chamber, carry out flat coal behaviour
Make, the coal scraper plate 9 of 12 lower end of leveling bar makes coal surface chase occur.
Elastic device is in the open state first, and the electromagnet 15 in elastic device generates electromagnetic force, and electromagnet 15 is mutual
Attract the spring steel 5 curled on the outside of compression support rod 3, elastic device generates elastic force；Compression roll 6 be fixed on leveling bar 12,
Between crowbar 11 and deck 8, as shown in Figure 1.
When compaction apparatus is exited from coke side to pusher side (for from right to left in Fig. 2), elastic device is closed, and controls elasticity dress
It sets electromagnetic attraction between the electromagnet 15 of compression to disappear, further upper end electromagnet 15 is bounced together with support plate 4 by moment, is pushed up
The crowbar 11 that end is connected to support plate 4 is also bounced, and moment becomes larger angle therewith between crowbar 11 and leveling bar 12；Crowbar 11 is prized
Dynamic compression roll 6, under the action of crowbar 11 is to external prying force, compression roll 6 starts to outer rolling, and compression roll 6 is by deck 8 together with plate
In 18 indentation 12 grooves of leveling bar, compression roll 6 is tumbled along the bucking ladder inclined-plane of 12 front end of leveling bar to the chase on coal surface；?
During compression roll 6 tumbles, compression roll 6 pulls haulage chain 1, and traction device electronic axle 2 rotates forward therewith, and haulage chain 1 is therewith
It is elongated.
During compaction apparatus is exited from coke side to pusher side, by being pulled with the traction device being connected above leveling bar 12
Compression roll 6 is rolled in the chase on coal surface, and the travel speed of compression roll 6 is consistent with 12 rate of withdraw of leveling bar.
When compaction apparatus does not exit coke oven completely, motor 13 is opened, motor 13 drives electronic axle 2 to rotate backward,
Haulage chain 1 is wound into electronic axle 2, while drawing compression roll 6 and being gone back to again by 12 front end bucking ladder inclined-plane of leveling bar
12 top of leveling bar, after compression roll 6 reversely rolls across deck 8, deck 8 is bounced together with plate 18 by spring 19 again, while elasticity
Device is opened, and the electromagnet 15 in further elastic device generates electromagnetic force, and electromagnet 15 attracts each other again, in elastic device
Spring steel 5 re-compressed, 11 top of crowbar falls with the support plate 4 in elastic device, makes crowbar 11 and flat
The angle of coal bar 12 becomes smaller, and under the traction of haulage chain 1, compression roll 6 is retightened in crowbar 11, deck 8 and leveling bar 12
Between, further compaction apparatus exits coke oven.
Below with specifically used effect, invention is further explained.
Embodiment 1
Dress coke oven is pushed up for 6m, the iron roll 6 in compaction apparatus can be elliposoidal, and 6 weight of compression roll is 200kg, and width is
380mm；Coal scraper plate 9 is designed as triangular pyramidal, maximum width 200mm, vertical height 75mm；Coaling latter stage when carry out it is primary
Flat coal, compacting operation, can more coal capacity 2.6t, heap density reaches 0.82t/m3, coal capacity raising 6.34%, coke reactivity drop
Low 2%, post reaction strength improves 3%.
Embodiment 2
Dress coke oven is pushed up for 6m, the iron roll 6 in compaction apparatus can be cylinder, and 6 weight of compression roll is 100kg, and width is
380mm；Coal scraper plate 9 is designed as rectangle, maximum width 160mm, vertical height 75mm；Coaling latter stage when once put down
Coal, compacting operation, can more coal capacity 2.2t, heap density reaches 0.80t/m3, coal capacity raising 5.37%, coke reactivity reduces
1%, post reaction strength improves 2%.
Embodiment 3
Dress coke oven is pushed up for 6m, the iron roll 6 in compaction apparatus can be spheroidal, and 6 weight of compression roll is 300kg, and width is
350mm；Coal scraper plate 9 is designed as triangular pyramidal, maximum width 160mm, vertical height 60mm；Coaling latter stage when carry out it is primary
Flat coal, compacting operation, can more coal capacity 2.1t, heap density reaches 0.80t/m3, and coal capacity improves 7.50%, coke reactivity drop
Low 2.5%, post reaction strength improves 3%.
Claims (10)
1. a kind of top fills the flat coal compaction apparatus of coke oven, including leveling bar, it is characterised in that: leveling bar is equipped with support rod, elasticity
Device, traction device, compression roll, crowbar, deck；The support rod is vertically fixed on leveling bar, elastic device and traction dress
It sets and is connect respectively with support rod, elastic device and traction device share a support rod or support rod are respectively set, traction device
Setting height is higher than elastic device；For the compression roll through crowbar, deck limit on leveling bar, compression roll passes through traction device
It is drawn；The top of the crowbar is connected on elastic device, and the bottom end oblique cutting of crowbar is in leveling bar.
2. a kind of top according to claim 1 fills the flat coal compaction apparatus of coke oven, it is characterised in that: the elastic device includes
Support plate, spring steel, electromagnet；The spring steel is fixed on flat around the outside for being entangled in support rod, the bottom end of spring steel
On coal bar, spring steel does the movement on vertical direction along support rod, is equipped with and is covered on support rod on the top of spring steel
Support plate, below support plate and be respectively fixed with electromagnet on leveling bar corresponding below support plate, elastic device passes through
The attraction that corresponding electromagnet generates carries out Electromagnetic Control.
3. a kind of top according to claim 1 fills the flat coal compaction apparatus of coke oven, it is characterised in that: the traction device includes
Haulage chain, electronic axle, motor, bracket；Bracket is fixed on support rod, and the axle bed and motor of electronic axle are fixed on bracket
On, electronic axle is connect by shaft coupling with motor；Haulage chain is in " bifurcation " shape, one end of haulage chain and electronic axis connection, separately
Two endpoints of the central axis of one end and compression roll are attached.
4. a kind of top according to claim 1 fills the flat coal compaction apparatus of coke oven, it is characterised in that: the top of the crowbar connects
It connects in the support plate of elastic device, and moved up and down with support plate；The middle lower end of crowbar is equipped with long hole, and fixing axle passes through length
Hole, fixed both ends of the shaft are fixed on leveling bar two sidewalls, and crowbar can carry out moving by arc core of the fixing axle in long hole.
5. a kind of top according to claim 1 fills the flat coal compaction apparatus of coke oven, it is characterised in that: the shape of the compression roll
For elliposoidal, spheroidal, cylinder, bucking ladder inclined-plane is set for leveling bar front end according to compacting roll shape.
6. a kind of top according to claim 1 fills the flat coal compaction apparatus of coke oven, it is characterised in that: the deck top is set as
Triangle cone, deck bottom end are connect by plate with spring, and the other end of spring is fixedly connected with leveling bar indent groove bottom, recessed
Four walls of slot and bottom surface are iron sheet package, and deck is contracted under vertical external force along groove inner wall face together with plate, spring
In leveling bar, after external force disappears, deck is bounced by spring again together with plate, and plate bounce amount is no more than the upper table of leveling bar
Face.
7. a kind of top according to claim 1 fills the flat coal compaction apparatus of coke oven, it is characterised in that: in leveling bar close to coke side
The bottom at end is equipped with coal scraper plate, and coal scraper plate is designed as fixed vertical type, folding, longitudinal extension formula, and shape is divided into pyrometric cone
Shape, arc-shaped, rectangle, coal scraper plate of different shapes provide the chase track that compression roll is advanced.
8. a kind of top according to claim 1 fills the flat coal compaction apparatus of coke oven, it is characterised in that: when elastic device and traction
When support rod is respectively set in device, limiter is equipped in the post upper where elastic device.
9. a kind of side being compacted using a kind of dress flat coal compaction apparatus of coke oven of top described in claim 1~8 any one
Method, it is characterised in that the following steps are included:
Step 1: after compaction apparatus enters coke oven, elastic device is in the open state, and the electromagnet in elastic device generates electromagnetism
Power, electromagnet, which attracts each other, compresses the spring steel that support rod outside curls, and elastic device generates elastic force；Compression roll is limited in
Between leveling bar, crowbar and deck；
Step 2: when compaction apparatus is exited from coke side to pusher side, elastic device is closed, the electromagnet of control elastic device compression
Between electromagnetic attraction disappear, further upper end electromagnet bounces together with support plate by moment, and further top is connected to support
Crowbar on plate is also bounced, and also moment becomes larger angle therewith between crowbar and leveling bar；Crowbar agitates compression roll, crowbar to
Under the action of external prying force, compression roll starts to outer rolling, and deck is pressed into leveling bar by compression roll, and compression roll is along leveling bar front end
Bucking ladder inclined-plane forward direction drop down onto coal surface；During compression roll forward direction tumbles, compression roll central axis pulls haulage chain, traction
Device electronic axle rotates forward therewith, and haulage chain is elongated therewith；
Step 3: during compaction apparatus is exited from coke side to pusher side, traction device pulls compression roll in coal table by haulage chain
Face is rolled, and the travel speed of compression roll is consistent with compaction apparatus rate of withdraw；
Step 4: when compaction apparatus does not exit coke oven completely, the traction motor being located on support rod, the electricity of motor are opened
Moving axis rotates backward, and haulage chain is wound into electronic axle, while drawing compression roll and passing through leveling bar front end bucking ladder inclined-plane weight
Leveling bar top newly is gone back to, after compression roll reversely rolls across deck, deck is bounced again by lower end spring, while elastic device is opened
It opens, the electromagnet in further elastic device generates electromagnetic force, and electromagnet attracts each other again, the spring steel in elastic device
It is re-compressed, crowbar top falls with the support plate in elastic device, and the angle of crowbar and leveling bar is made to become smaller；?
Under the traction of haulage chain, compression roll is retightened between crowbar, deck and leveling bar, becomes shape described in step 1 again
State, compaction apparatus exit coke oven.
10. the method that a kind of top dress flat coal compaction apparatus of coke oven according to claim 9 is compacted, which is characterized in that
Flat coal operation is carried out before step 2, leveling bar drives coal scraper plate movement, so that chase occurs in coal surface in coke oven.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201610835020.XA CN106398725B (en) | 2016-09-20 | 2016-09-20 | Coal leveling and compacting device and method for top-loading coke oven |
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| CN201610835020.XA CN106398725B (en) | 2016-09-20 | 2016-09-20 | Coal leveling and compacting device and method for top-loading coke oven |
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| CN106398725B true CN106398725B (en) | 2019-09-20 |
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| FR2656662B1 (en) * | 1989-12-29 | 1992-04-10 | Cdf Ingenierie Coreal | MACHINE FOR THE MAINTENANCE AND REPAIR OF THE PILONS OF COKERIE FURNACES. |
| JPH07113077A (en) * | 1993-10-15 | 1995-05-02 | Nippon Steel Chem Co Ltd | Method for opening bleeding hole in coal charged in carbonization chamber and hole opening apparatus |
| WO2002016055A1 (en) * | 2000-08-21 | 2002-02-28 | Fluor Corporation | Apparatus and methods for shielding high-pressure fluid devices |
| CN105713623A (en) * | 2016-04-13 | 2016-06-29 | 中冶焦耐工程技术有限公司 | Method and device for increasing bulk density of coal charged into top-charging coke oven |
| CN206127208U (en) * | 2016-09-20 | 2017-04-26 | 鞍钢股份有限公司 | Flat coal compaction device of top-loading coke oven |
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