CN1358822A - Clean type heat recovery tamping type coke oven - Google Patents

Clean type heat recovery tamping type coke oven Download PDF

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Publication number
CN1358822A
CN1358822A CN 01134702 CN01134702A CN1358822A CN 1358822 A CN1358822 A CN 1358822A CN 01134702 CN01134702 CN 01134702 CN 01134702 A CN01134702 A CN 01134702A CN 1358822 A CN1358822 A CN 1358822A
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CN
China
Prior art keywords
furnace
heat recovery
type heat
quirk
coke oven
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Pending
Application number
CN 01134702
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Chinese (zh)
Inventor
沈为清
方蕾
张建平
武小平
徐占军
程林生
燕建平
刘元明
贺秀文
郭金柱
李幼芳
郑秋芳
尚秋香
张红卫
郭明彦
王学文
陆耀华
张忠杰
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Niu Zhenkui
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Niu Zhenkui
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Publication date
Application filed by Niu Zhenkui filed Critical Niu Zhenkui
Priority to CN 01134702 priority Critical patent/CN1358822A/en
Publication of CN1358822A publication Critical patent/CN1358822A/en
Pending legal-status Critical Current

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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
    • C10B15/00—Other coke ovens
    • C10B15/02—Other coke ovens with floor heating

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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 coke furnace is composed of furnace body, main wall of carbonization chamber, furnace bottom, furnace door and matched tamping, coal-charging, coke-pushing, coke-receiving and coke-quenching machines and iron component part fixing machine. By adopting arched furnace top, primary air regulating device, secondary air intake regulating equipment, furnace wall uptake quirk, downward quirk, double coupled holes and furnace bottom four coupled arches, air sandwich and upper and lower section structure of furnace door it can greatly raise coke quality increase coal variety and reduce coke cost, and its heat recovery is good.

Description

Clean type heat recovery tamping type coke oven
A kind of by body of heater, furnace roof, furnace bottom, coking chamber, fire door and supporting make firm by ramming, coaling, the clean type heat recovery tamping type coke oven of coke pushing, quenching mechanical composition, belong to the coking device field.
Similar coke oven has the extensive region to reach DQJ-50 type stove (hereinafter to be referred as D) at home; Mainly contain U.S. Jewell-Thompson stove (hereinafter to be referred as J) abroad; The TSOA/PACTI (hereinafter to be referred as T) that Germany Thyssen Still Otto and U.S. PACTI cooperate.D, J, three kinds of type of furnace primary airs of T enter by the both sides fire door, and air ratio is near the coal seam, and the coal charge surface is scaling loss unavoidably, and the end flue temperature height is arranged, the defective that medium temperature is low.Cause near the burnt and coking non-uniform phenomenon of of fire door.D type stove is provided with the interconnected intercommunicating pore of whole stoves, and does not have setting device; J and T type stove no duplex or intercommunicating pore on furnace wall.D, J, the T type of furnace are divided into two symmetric tetrad arches by the coking chamber cross central line with furnace bottom basically.The waste gas that is retracted on the furnace wall is through 1,2,3,4 four connection arch or enter furnace wall rising quirk behind 4,3,2,1 four connection arches, forms " it " font and flows to." (-) " type flows to unimpeded, and resistance is little, can avoid local superheating again.T type fire door is divided into three sections, D type, the not segmentation of J type fire door.Coaling when the discharging of the coke operation, the end flue temperature fluctuation is big, has more flue gas to leak.J type and T type stove are the bulk cargo coal, and coking is bad.
The purpose of clean type heat recovery tamping type coke oven of the present invention is to overcome above-mentioned shortcoming or deficiency, and has adopted following structure and technology:
(1) primary air intake method difference: this patent has been offered a plurality of air inlet apertures (seeing sequence number 2) that distribute according to certain rules at the coke oven vault, and it makes the furnace roof space that intact waste gas protective layer be arranged, and makes gas-fired rapid, and furnace temperature is even.
(2) furnace wall structure difference: the present invention is provided with the twin opening (subway) a plurality of (seeing sequence number 17) that coking chamber links to each other in twos on furnace wall, by setting device high-temp waste gas is introduced in the adjacent coking chamber of just having coaling, and promotes to improve the latter's coking speed.
(3) furnace bottom tetrad arch exhaust flow is to difference: the present invention is divided into symmetric two bigeminy arches (seeing sequence number 6) by the coking chamber longitudinal cenlerline with the tetrad arch.Enter 2 arches from furnace wall decline quirk waste gas by 1 arch, enter furnace wall rising quirk after returning 1 arch by 2 arches again, (move back gas and air inlet between be provided with partition wall at 1 arch) " (-) " type that forms is that the bracket formula flows to.
(4) build the stove material: high temperature position of the present invention adopts silica brick.
(5) door structure: fire door of the present invention is divided into two portions, discharge of the coke when operation end flue temperature fluctuation and reduce flue gas and leak that can reduce coalings.
(6) the mode difference of coalingging: the present invention sends into tamping briquette in the stove.
Below in conjunction with accompanying drawing clean type heat recovery tamping type coke oven of the present invention is described further.
Fig. 1 is the clean type heat recovery tamping type coke oven vertical planning drawing.
Fig. 2 is the clean type heat recovery tamping type coke oven sectional drawing.
Fig. 3 is clean type heat recovery tamping type coke oven furnace bottom heating system figure.
Among the figure:
1 body of heater; 2 primary air air inlet regulating devices; 3 secondary air air inlet regulating devices; 4 decline quirks; 5 rising quirks; 6 tetrads arch; 7 upcasts; 8 gas collection arms; 9 gas gathering manifolds; 10 top horizontal braces; 11 bottom horizontal braces; 12 vertical tie rods; 13 springs; 14 secondary air ducts; 15 air casings; The big plate in 16 bases; 17 twin opening (subway)s; 18 thermometric pressure taps; 19 bottom fire doors; 20 tops are fire door fixedly; 21 furnace stays; 22 protecting sheets; 23 suction setting devices; 24 coking chamber main walls; 25 furnace roofs; 26 waste gas thermal insulation layers; 27 furnace bottoms; 28 sole flues; 29 furnace bottom quirks; 30 fire doors
Clean type heat recovery tamping type coke oven of the present invention is to realize like this.The both sides of body of heater (1) are.Coking chamber main wall (24), its top furnace roof (25) is an arch form structure.The arch form furnace roof adopts standard refractory brick.The brick feather edge joins between brick and the brick, and its top is inverted-triangular, adopts refractory mortar to build by laying bricks or stones in the angle, guarantees to connect tightly, and prevents cracking.Be furnished with primary air setting device (2) on furnace roof (25) top, make coal seam and preventing of furnace roof zone of combustion intermediate formation one deck waste gas protective layer burnt.Be provided with waste gas protective layer (26) in the furnace roof (25).The bottom of body of heater (1) is furnace bottom (27), goes up at furnace bottom (27) and adopts tetrad arch (6) structure, and its bottom is provided with secondary air registers device (3), can regulate secondary air.Air is uniform distribution in sole flue (28), with the waste gas secondary combustion, makes the furnace bottom homogeneous heating.Evenly be provided with decline quirk (4) in the coking chamber main wall and be communicated with, make tetrad arch (6) return the rising quirk (5) at coking chamber main wall (24) two ends with tetrad arch both sides furnace bottom quirks (29).Be provided with air casing (15) between the big plate (16) in basis that is located at furnace bottom (27) bottom and the furnace bottom (27), plate is overheated greatly to avoid the basis.Decline quirk (4) on the coking chamber main wall (24), rising quirk (5) is communicated with upcast (7), gas collection arm (8), gas gathering manifold (9) on being located at furnace roof (25).Upcast (7) is provided with suction setting device (23), makes to be negative-pressure operation in the whole body of heater.Between rising quirk (5) and decline quirk (4), be provided with twin opening (subway) (17), promote that the initial stage charing is rapidly heated.Fire door (30) is equipped with in both sides before and after the coking chamber main wall (24), and fire door (30) adopts two joint fire doors up and down, and top is fixing fire door (20), and the bottom is movable fire door (19).Both sides at coking chamber main wall (24) are provided with the ironware protector, include furnace stay (21), top and the bottom horizontal brace (10) (11), and vertical tie rod (12), spring (13) and protecting sheet (22) are to strengthen the firm of body of heater (1).
Clean type heat recovery tamping type coke oven of the present invention is conjuncted type pit kiln, and high temperature positions such as its coking chamber main wall, tetrad arch adopt silica brick to build by laying bricks or stones.Simultaneously coke oven is supportingly made firm by ramming, is coaling, coke pushing, blocks and connect Jiao, quenching machinery.Pit kiln waste gas produces vapor recovery heat energy by off gas treatment.
The invention belongs to coke oven of new generation, its process characteristic is:
When (1) replacing refractory brick as the coal destructive distillation with the waste gas protective layer with heating air coal Spacer between the gas firing.
(2) micro-negative pressure operation in the stove.
(3) the coking volatile matter all is converted into heat energy and is reclaimed.
(4) coal charge tamping coking.
Its advantage is:
(1) clean type: it is minimum that it is down to the leakage of coke oven venomous injurant, and nothing Sewage generates.
(2) economical: it has simplified furnace binding, byproduct reclaims technology and environmental protection is established Execute.
(3) enlarge coking coal coal source, improve the coke quality.
The effect that the present invention produces:
(1) this pit kiln belongs to big volume, clean coking stove, stamp charging, waste heat recovery, waste-gas desulfurization.The developing direction that meets international coking technology.Be adapted to Chinese cleaner production, the protection environment is walked the requirement of sustainable development path.
(2) this pit kiln can use the coking coal of bad adhesion, and expansion is utilized coal resources, and development coking new technology is significant.
(3) this pit kiln is particularly suitable for the area construction that coke-oven gas does not have fine purposes, is well to replenish the type of furnace with conventional cokery.
(4) construction investment of this pit kiln is low, and fresh water, power consumption are low, and the burnt cost of ton is low, has remarkable economic efficiency.

Claims (8)

1. clean type heat recovery tamping type coke oven; be by the coking chamber main wall; furnace roof; furnace bottom; upcast; gas collection arm and fire door and furnace retaining ironware are formed; the both sides that it is characterized in that described body of heater (1) are coking chamber main wall (24); the top of coking chamber is furnace roof (25); the bottom of body of heater (1) is furnace bottom (27); be provided with fire door (30) in the front and back of body of heater (1); furnace stay (21) is equipped with in both sides at the both sides of body of heater (1) coking chamber main wall; furnace stay (21) is by last; following horizontal brace (10); (11); vertical tie rod (12) is by spring (13) and protecting sheet (22) tension, supporting making firm by ramming simultaneously; side coal; coke pushing; block and meet Jiao; quenching machinery.
2. according to the described clean type heat recovery tamping type coke oven of claim 1, it is characterized in that being evenly distributed with in the described coking chamber main wall (24) decline quirk (4), its two ends are provided with the upcast (7) on rising quirk (5) and the furnace roof (25), and gas collection arm (8) and gas gathering manifold (9) are communicated with.
3. clean type heat recovery tamping type coke oven according to claim 1; it is characterized in that being evenly equipped with primary air setting device (2), waste gas protective layer (26) on the furnace roof (25) of the employing arch form that described and coking chamber main wall (24) upper end links to each other; also be provided with the upcast (7) that is connected with the quirk that rises (5), decline quirk (4), gas collection arm (8) and gas gathering manifold (9).
4. clean type heat recovery tamping type coke oven according to claim 1, it is characterized in that being separated with between the top of described furnace bottom (27) and the furnace bottom (27) the big plate (16) in basis of air casing (15), be connected with tetrad arch (6) structure on the big plate in basis (16), its bottom is provided with secondary air registers device (3).
5. clean type heat recovery tamping type coke oven according to claim 1 is characterized in that the described fire door (30) that is equipped with before and after body of heater (1), it is that fixedly fire door (20) bottom is movable fire door (19) that fire door (30) adopts top.
6. according to claim 1,3 described clean type heat recovery tamping type coke ovens, it is characterized in that being provided with in the upcast (7) suction device (23).
7. according to claim 1,2 described clean type heat recovery tamping type coke ovens, it is characterized in that being provided with the twin opening (subway) (17) that can promote the initial stage charing to be rapidly heated between rising quirk (5) in the described coking chamber main wall and the decline quirk (4).
8. according to claim 1,3 described clean type heat recovery tamping type coke ovens, it is characterized in that described arch form furnace roof (25) adopts standard refractory brick, the bottom of brick joins, and is del between two bricks, builds by laying bricks or stones with refractory mortar.
CN 01134702 2001-11-08 2001-11-08 Clean type heat recovery tamping type coke oven Pending CN1358822A (en)

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Cited By (47)

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US7497930B2 (en) 2006-06-16 2009-03-03 Suncoke Energy, Inc. Method and apparatus for compacting coal for a coal coking process
WO2010102707A1 (en) 2009-03-11 2010-09-16 Uhde Gmbh Device and method for dosing or shutting off primary combustion air in the primary heating room of horizontal coke-oven chambers
WO2010112100A1 (en) * 2009-04-01 2010-10-07 Uhde Gmbh Coking plant with flue gas recirculation
CN101979463A (en) * 2010-10-26 2011-02-23 山西省化工设计院 Clean heat reclamation tamping type coke furnace
US9169439B2 (en) 2012-08-29 2015-10-27 Suncoke Technology And Development Llc Method and apparatus for testing coal coking properties
US9193915B2 (en) 2013-03-14 2015-11-24 Suncoke Technology And Development Llc. Horizontal heat recovery coke ovens having monolith crowns
US9193913B2 (en) 2012-09-21 2015-11-24 Suncoke Technology And Development Llc Reduced output rate coke oven operation with gas sharing providing extended process cycle
US9200225B2 (en) 2010-08-03 2015-12-01 Suncoke Technology And Development Llc. Method and apparatus for compacting coal for a coal coking process
US9238778B2 (en) 2012-12-28 2016-01-19 Suncoke Technology And Development Llc. Systems and methods for improving quenched coke recovery
US9243186B2 (en) 2012-08-17 2016-01-26 Suncoke Technology And Development Llc. Coke plant including exhaust gas sharing
US9249357B2 (en) 2012-08-17 2016-02-02 Suncoke Technology And Development Llc. Method and apparatus for volatile matter sharing in stamp-charged coke ovens
US9273250B2 (en) 2013-03-15 2016-03-01 Suncoke Technology And Development Llc. Methods and systems for improved quench tower design
US9273249B2 (en) 2012-12-28 2016-03-01 Suncoke Technology And Development Llc. Systems and methods for controlling air distribution in a coke oven
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US9476547B2 (en) 2012-12-28 2016-10-25 Suncoke Technology And Development Llc Exhaust flow modifier, duct intersection incorporating the same, and methods therefor
US9580656B2 (en) 2014-08-28 2017-02-28 Suncoke Technology And Development Llc Coke oven charging system
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