CN204417403U - A kind of coking dividing wall type rotary kiln device - Google Patents
A kind of coking dividing wall type rotary kiln device Download PDFInfo
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- CN204417403U CN204417403U CN201420772371.7U CN201420772371U CN204417403U CN 204417403 U CN204417403 U CN 204417403U CN 201420772371 U CN201420772371 U CN 201420772371U CN 204417403 U CN204417403 U CN 204417403U
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- gas
- coking
- kiln
- rotary kiln
- coke
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Abstract
The utility model relates to a kind of coking dividing wall type rotary kiln device, comprise one or two rotary kilns, induced draft fan, gas blower, water cooler, cyclone cylinder, many bends, coke-oven gas endless tube and exhaust emission systems, water cooler is provided with material channel and gas pipeline, annular space is connected with water cooler by material channel, cooling blower is connected with water cooler, and water cooler is connected with kiln thorax by gas pipeline.The top of cyclone cylinder is connected with many bends, and bottom is connected with kiln thorax by kiln hood.The other end of many bends is connected with induced draft fan and gas blower respectively by four-way valve or T-valve.Induced draft fan outlet is connected with exhaust emission system.Material thorax is connected with coke-oven gas endless tube by coking gas pipe connecting, and coke-oven gas endless tube is connected with coking gas treatment facility.The utility model by the material of coking, makes coking material and flue gas separately by the heating of dividing wall type rotary kiln, is conducive to the purity and the quality that improve coke-oven gas, reduces coking production cost, resource is fully used.
Description
Technical field
The utility model belongs to chemical materials production unit technical field, relates to a kind of rotary kiln, is specifically related to a kind of coking dividing wall type rotary kiln device.
Background technology
Coking is an integral part of coal chemical industry, and coal main machining method is three kinds of methods such as high-temperature coking, middle temperature coking, semi-coking.Metallurgy industry generally adopts high-temperature coking to obtain coke and to reclaim chemical products.Product coke can make the fuel of blast-furnace smelting, or for casting, non-ferrous metal metallurgy and manufacture water-gas, also can be used to manufacture calcium carbide, to obtain organic synthesis industrial raw material.The chemical products produced in process of coking is through reclaiming, processing, extract the products such as tar, ammonia, naphthalene, hydrogen sulfide, crude benzol, and obtain clean coke-oven gas, coal tar and crude benzol, after refining and deep processing, can produce benzene,toluene,xylene, dithiocarbonic anhydride etc., these products are widely used in chemical industry, medicine industry, refractory industry and national defense industry.Clean coke-oven gas can be for civilian use and as industrial fuel.Ammonia in coal gas can be used to manufacture ammonium sulfate, strong aqua, anhydrous ammonia etc.
Coking needs the raw material using coal gas fuel combustion muffle heating coking chamber, diffuses, cause the waste of energy, affect the economic benefit of coking production enterprise after the flue gas heat that burning produces passes to raw material.The Technology firing coking coal is gone to be widely used with rotary kiln at home at present.But the stability that coking coal is produced at calcination process is low, the index of production is advanced not, causes production cost too high.
Publication number be the application for a patent for invention of 103553022A disclose " one utilizes rotary kiln to fire coking coal process modification method, comprise install high temperature secondary blower fan additional, the associated temperature Monitoring techniques of calcining zone is improved, the improvement of dust-removal system technology.", this patent application, by firing the improvement of coking coal technique to rotary kiln, reduces energy consumption and high-quality calcining, makes good use of refinery coke resource.But this patent can not well be separated coal tar and coke-oven gas, and energy consumption awaits further reduction.
Utility model content
The utility model provides a kind of coking dividing wall type rotary kiln device, utilizes partition rotary kiln the retort process of flue gas heating and coal feedstock to be separated, is conducive to fully being separated coke-oven gas, and reduces energy expenditure by accumulation of heat.
The technical solution of the utility model is: coking dividing wall type rotary kiln device, and comprise one or two rotary kilns, induced draft fan, gas blower, water cooler and exhaust emission systems, rotary kiln is provided with kiln hood and kiln hood.Rotary kiln is made up of inner core and urceolus, and be kiln thorax in the middle of inner core, the annular space formed between inner core and urceolus is material thorax, and annular space is provided with pillar stiffener.Water cooler is provided with material channel and gas pipeline, and annular space is connected with water cooler by material channel, and cooling blower is connected with water cooler, and water cooler is connected with kiln thorax by gas pipeline.Device is provided with cyclone cylinder, many bends and coke-oven gas endless tube.Cyclone cylinder is provided with burner, and the top of cyclone cylinder is connected with many bends, and bottom is connected with kiln thorax by kiln hood.The other end of many bends is connected with induced draft fan and gas blower respectively by four-way valve or T-valve.Induced draft fan outlet is connected with exhaust emission system.Material thorax is connected with coke-oven gas endless tube by coking gas pipe connecting, and coke-oven gas endless tube is connected with coking gas treatment facility.Material thorax is provided with reinforced ring, and reinforced ring is connected with charging equipment by inlet tube.
Be provided with material flight in reinforced ring, material flight is arranged on the inwall of reinforced ring, is positioned at the ingress of material falling hole.Annular materials thorax is provided with material baffle, and material baffle is arranged on the exit of material falling hole.
Rotary kiln is that a timer is provided with gas flue, and the kiln hood of rotary kiln is connected with many bends by gas flue.Device is provided with No. 1 thermophore and No. 2 thermophore, and one of No. 1 thermophore and No. 2 thermophore is connected with many bends by No. 3 T-valve, is connected by No. 2 T-valve with cyclone cylinder.No. 1 thermophore is connected with gas blower by No. 1 T-valve with the other end of No. 2 thermophore, is connected with exhaust emission system by No. 4 T-valve.Device is provided with carries oily equipment, carries oily equipment and is provided with opening for feed, material outlet, coke-oven gas import and gas exit.Opening for feed is connected with charging equipment, and material outlet is connected with reinforced ring.Coke-oven gas import is connected with coke-oven gas endless tube, and gas exit is connected with coking gas treatment facility.In No. 1 thermophore and No. 2 thermophore, heat storage is housed, the material of heat storage is steel ball or porcelain ball.Water cooler is fixed bed or fluidized-bed, uses fluidized-bed when coking raw material is coal dust.
Burner is geseous fuel burner, liquid fuel burner or solid fuel burner, or the combination of above-mentioned burner.Clean fuel burner or plasma gun is provided with in many bends.Induced draft fan outlet is connected to the entrance of cooling blower.
As selection, rotary kiln is made up of inner core, middle cylinder and urceolus, and kiln thorax centered by inner core, being middle kiln thorax between inner core and middle cylinder, is outer kiln thorax between middle cylinder and urceolus.Inner core, middle cylinder and urceolus are respectively equipped with strip-shaped materials room.Kiln body is provided with pushing device, and the pushing plate of pushing device is dentalation, the strip-shaped materials room in pushing plate difference corresponding inner core, middle cylinder and the urceolus of dentalation.
The utility model one is selected again, and device is provided with combustion chamber, and combustion chamber is provided with combustion chamber burner, and combustion chamber burner is positioned at the top of combustion chamber, bottom and both sides.Rotary kiln is placed in the outside or combustion chamber in combustion chamber, rotary kiln horizontal positioned or vertically place.
The utility model is by the heating of dividing wall type rotary structure muffle by the material of destructive distillation, and material can be the powdery of all kinds of carbon raw material, bulk or briquetting cake of press, ball processed etc., makes destructive distillation material and flue gas separately be conducive to purity and the quality of raising coke-oven gas.Partition rotary kiln is by the kiln body of inner/outer drum structure, inner core is made to be the kiln thorax that fuel combustion and flue gas circulate, annular space between inner/outer tube is the material thorax of calcining materials, the material of the flue gas partition heating annular materials thorax that the burning of kiln thorax produces, flue gas is avoided directly to contact with material, optimize the environment of reduction process, be conducive to the quality improving coke chemicals.Be provided with material flight and annular materials thorax in reinforced ring to be provided with material baffle and to be convenient to material and to enter annular materials thorax, avoid material to flow out and the reinforced ring of blocking from the feed port of bottom.By thermophore preheated-combustion-supporting wind, heat is fully used, is conducive to reducing coking production cost.Coking raw material carries out coking again through carrying after oily equipment carries oil, is conducive to making full use of of resource.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the utility model dividing wall type coking rotary kiln device;
Fig. 2 is the schematic diagram of another embodiment of the utility model;
Fig. 3 is the structural representation of reinforced ring;
Fig. 4 is the structural representation of the utility model the 3rd embodiment;
Fig. 5 is the structural representation of the utility model the 4th embodiment.
Wherein:
1-exhaust emission system, 2-induced draft fan, 3-gas blower, 4-gas pipeline, 5-many bends, 6-burner, 7-cyclone cylinder, 8-reinforced ring, 9-annular space, 10-pillar stiffener, 11-kiln thorax, 12-coke-oven gas endless tube, 13-kiln hood, 14-kiln tail, 15-material channel, 16-cooling blower, 17-water cooler, 18-cooling air passage, 19-rotary kiln, 20-four-way valve, 21-valve, 22-No. 1 T-valve, 23-coking gas treatment facility, 24-carry oily equipment, 25-opening for feed, 26-No. 1 thermophore, 27-No. 2 thermophore, 28-coking gas pipe connecting, 29-kiln hood, 30-filling tube, 31-material falling hole, 32-material flight, 33-material baffle, 34-charging equipment, 35-No. 2 T-valve, 36-No. 3 T-valve, 37-No. 4 T-valve, 38-gas flue, 39-urceolus, 40-middle cylinder, 41-inner core, 42-outer kiln thorax, 43-middle kiln thorax, 44-center kiln thorax, 45-strip-shaped materials room, 46-combustion chamber, 47-combustion chamber burner.
Embodiment
Below in conjunction with embodiment and accompanying drawing, the utility model is described in detail.The utility model protection domain is not limited to embodiment, and those skilled in the art make the scope that any change also belongs to the utility model protection in the scope that claim limits.
Embodiment 1
The utility model coking dividing wall type rotary kiln device as shown in Figure 1, comprise two rotary kilns 19, induced draft fan 2, gas blower 3, water cooler 17, cyclone cylinder 7, many bends 5, coke-oven gas endless tube 12 and exhaust emission system 1, rotary kiln is provided with kiln hood 29 and kiln hood 14.Rotary kiln is made up of inner core and urceolus, is kiln thorax 11 in the middle of inner core, and the annular space 9 formed between inner core and urceolus is material thorax, and annular space is provided with pillar stiffener 10.Water cooler is provided with material channel 15 and gas pipeline 18, and annular space is connected with water cooler by material channel, and cooling blower is connected with water cooler, and water cooler is connected with kiln thorax by gas pipeline.Cyclone cylinder is provided with burner 6, and burner is geseous fuel burner.The top of cyclone cylinder is connected with many bends, and bottom is connected with kiln thorax by kiln hood.The other end of many bends is connected with induced draft fan and gas blower respectively by four-way valve 20, and the gas pipeline 4 of connection is provided with valve 21.Induced draft fan outlet is connected with exhaust emission system 1, also can be connected with the entrance of cooling blower 17, make cooling air with cooled useless flue gas, reduces exhaust gas emission.Material thorax is connected with coke-oven gas endless tube by coking gas pipe connecting, and coke-oven gas endless tube is connected with coking gas treatment facility.Material thorax is provided with reinforced ring, and reinforced ring is connected with charging equipment by inlet tube.As shown in Figure 3, be provided with material flight 32 in reinforced ring 8, material flight is arranged on the inwall of reinforced ring, is positioned at the ingress of material falling hole 31.Annular materials thorax 25 is provided with material baffle 33, and material baffle is arranged on the exit of material falling hole.Be provided with clean fuel burner or plasma gun in many bends 5, ignition dope can be arbitrary proportion oxygen containing oxygen and aiding combustion agent.
The operational process of the utility model coking dividing wall type rotary kiln device is: coking raw material enters material thorax through charging equipment 34, filling tube 30 and reinforced ring 8.Material carries out destructive distillation in the flue gas partition heating in kiln thorax of material thorax, and the coke-oven gas of generation processes to coking gas treatment facility 23 through coking gas pipe connecting 28 and coke-oven gas endless tube 12.Coke enters water cooler 17 through the material channel 15 of kiln tail, and bloat cooling air STRENGTH ON COKE by cooling blower 16 and cool, cooled coke product goes out device, and the high temperature cooling wind after cooling coke enters kiln thorax boosting raw material through gas pipeline 18.Left side burner 6 sprays fuel gas, and gas pipeline 4 and the left side many bend 5 of the combustion air that gas blower 3 bloats through four-way valve 20, left side enters combustion-supporting burning in the cyclone cylinder 7 in left side.The flue gas that cyclone cylinder burning produces enters left side kiln thorax 11 through kiln hood, in muffle heated material thorax after material, right side kiln thorax is entered through kiln hood 14 and high temperature cooling wind, material in material thorax on the right side of preheating, release the flue gas after heat through right side cyclone cylinder, the many bends in right side, heat storage, four-way valve and induced draft fan to blowdown system 1 partial discharge, partly as heat-eliminating medium to high temperature coke circulating cooling.The cyclone cylinder of both sides and rotary kiln hocket and burn and heating, and realize alternate run operation by the action of four-way valve, the timed interval of alternate operation is 10-15 minute.
Embodiment 2
Another embodiment of the present utility model as shown in Figure 2, comprise 1 rotary kiln 19, gas blower 3, water cooler 17, cyclone cylinder 7, many bends 5, gas flue 38, No. 1 thermophore 26, No. 2 thermophore 27, coke-oven gas endless tube 12, exhaust emission system 1, coking gas treatment facilities 23 and carry oily equipment 24.Cyclone cylinder bottom is connected with kiln thorax by kiln hood, and the kiln hood of rotary kiln is connected with many bends 5 by gas flue.One of No. 1 thermophore and No. 2 thermophore is connected with many bends by No. 3 T-valve 36, is connected by No. 2 T-valve 35 with cyclone cylinder.No. 1 thermophore is connected with gas blower by No. 1 T-valve 22 with the other end of No. 2 thermophore, is connected with exhaust emission system by No. 4 T-valve 37.Carry oily equipment and be provided with opening for feed 25, material outlet, coke-oven gas import and gas exit.Opening for feed is connected with charging equipment, and material outlet is connected with reinforced ring.Coke-oven gas import is connected with coke-oven gas endless tube 12, and gas exit is connected with coking gas treatment facility 23.In No. 1 thermophore and No. 2 thermophore, heat storage is housed, the material of heat storage is steel ball.
The operational process of the present embodiment is, calcined material enters through opening for feed 25 and carries oily equipment 24, this equipment is meshbeltfurnace or rotary hearth furnace, coke-oven gas in material thorax enters through coke-oven gas endless tube 12 and coke-oven gas import and carries oily equipment, high temperature coke oven coal gas carries oil to the heating of its materials inside, carries the coal gas after oil and processes to gas exit coking gas treatment facility 23.After carrying oil, raw material enters material thorax through material outlet and reinforced ring 8 and carries out destructive distillation.Coke enters water cooler 17 through the material channel 15 of kiln tail, and bloat cooling air STRENGTH ON COKE by cooling blower 16 and cool, cooled coke product goes out device, and the high temperature cooling wind after cooling coke enters kiln thorax boosting raw material through gas pipeline 18.The combustion air that gas blower 3 bloats enters No. 1 thermophore 26 through No. 1 T-valve 22, and the heat storage in thermophore releases heat preheated air, and after preheating, air is through No. 2 T-valve 35, to the combustion-supporting burning of cyclone cylinder.The flue gas that cyclone cylinder burning produces enters material in kiln thorax 11 muffle heated material thorax through kiln hood, after heated material, flue gas is through gas flue 38, many bends 5 and No. 3 T-valve 36 to No. 2 thermophore 27, and flue gas is that 1 system discharges through No. 4 T-valve 37 to exhaust gas emission after heat released by No. 2 thermophore.No. 1 thermophore and No. 2 thermophore hocket accumulation of heat and heat release preheated air, and carry out switch operation by the action of each T-valve, the timed interval of alternate operation is 10-15 minute.
Embodiment 3
As shown in Figure 4, rotary kiln is made up of inner core 41, middle cylinder 40 and urceolus 39 the third embodiment of the present utility model, and kiln thorax 44 centered by inner core, being middle kiln thorax 43 between inner core and middle cylinder, is outer kiln thorax 42 between middle cylinder and urceolus.Inner core, middle cylinder and urceolus are respectively equipped with strip-shaped materials room 45.Kiln body is provided with pushing device, and the pushing plate of pushing device is dentalation, the strip-shaped materials room in pushing plate difference corresponding inner core, middle cylinder and the urceolus of dentalation.Material in strip strip-shaped materials room is for being full of dense state or loose flow state.
Embodiment 4
The utility model again an embodiment as shown in Figure 5, device is provided with combustion chamber 46, combustion chamber is provided with combustion chamber burner 47, and combustion chamber burner 47 is positioned at the top of combustion chamber, bottom and both sides.Combustion chamber built with 8 rotary kilns, rotary kiln horizontal positioned.
Claims (8)
1. a coking dividing wall type rotary kiln device, comprise one or two rotary kilns (19), induced draft fan (2), gas blower (3), water cooler (17) and exhaust emission systems (1), rotary kiln is provided with kiln hood (29) and kiln hood (13); Described rotary kiln is made up of inner core and urceolus, and be kiln thorax (11) in the middle of inner core, the annular space formed between inner core and urceolus (9) is material thorax, and annular space is provided with pillar stiffener (10); Described water cooler is provided with material channel (15) and gas pipeline (4), and described annular space is connected with water cooler by material channel, and described cooling blower is connected with water cooler, and described water cooler is connected with kiln thorax by gas pipeline; It is characterized in that: described device is provided with cyclone cylinder (7), many bends (5) and coke-oven gas endless tube (12); Described cyclone cylinder is provided with burner (6), and the top of cyclone cylinder is connected with many bends, and bottom is connected with kiln thorax by kiln hood; The other end of many bends is connected with induced draft fan and gas blower respectively by four-way valve (20) or T-valve; Described induced draft fan outlet is connected with exhaust emission system; Described material thorax is connected with coke-oven gas endless tube by coking gas pipe connecting (28), and coke-oven gas endless tube is connected with coking gas treatment facility; Described material thorax is provided with reinforced ring (8), and reinforced ring is connected with charging equipment (34) by filling tube (30).
2. coking dividing wall type rotary kiln device according to claim 1, is characterized in that: be provided with material flight (32) in described reinforced ring (8), described material flight is arranged on the inwall of reinforced ring, is positioned at the ingress of material falling hole (31); Described annular space (9) is provided with material baffle (33), and described material baffle is arranged on the exit of material falling hole.
3. coking dividing wall type rotary kiln device according to claim 1, is characterized in that: described rotary kiln is that a timer is provided with gas flue (38), and the kiln hood of described rotary kiln is connected with many bends (5) by gas flue.
4. coking dividing wall type rotary kiln device according to claim 3, it is characterized in that: described device is provided with No. 1 thermophore (26) and No. 2 thermophore (27), one of described No. 1 thermophore and No. 2 thermophore is connected with many bends by No. 3 T-valve (36), is connected by No. 2 T-valve (35) with cyclone cylinder; Described No. 1 thermophore is connected with gas blower by No. 1 T-valve (22) with the other end of No. 2 thermophore, is connected with exhaust emission system (1) by No. 4 T-valve (37).
5. coking dividing wall type rotary kiln device according to claim 4, is characterized in that: described device is provided with carries oily equipment (24), described in carry oily equipment and be provided with opening for feed (25), material outlet, coke-oven gas import and gas exit; Described opening for feed is connected with charging equipment, and material outlet is connected with reinforced ring; Described coke-oven gas import is connected with coke-oven gas endless tube (12), and gas exit is connected with coking gas treatment facility (23).
6. coking dividing wall type rotary kiln device according to claim 4, is characterized in that: in described No. 1 thermophore (26) and No. 2 thermophore (27), heat storage is housed, and the material of described heat storage is steel ball or porcelain ball.
7. coking dividing wall type rotary kiln device according to claim 1, is characterized in that: described burner (6) is geseous fuel burner, liquid fuel burner or solid fuel burner, or the combination of above-mentioned burner.
8. coking dividing wall type rotary kiln device according to claim 1, is characterized in that: described induced draft fan (2) outlet is connected to the entrance of cooling blower (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420772371.7U CN204417403U (en) | 2014-12-10 | 2014-12-10 | A kind of coking dividing wall type rotary kiln device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420772371.7U CN204417403U (en) | 2014-12-10 | 2014-12-10 | A kind of coking dividing wall type rotary kiln device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204417403U true CN204417403U (en) | 2015-06-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420772371.7U Withdrawn - After Issue CN204417403U (en) | 2014-12-10 | 2014-12-10 | A kind of coking dividing wall type rotary kiln device |
Country Status (1)
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| CN (1) | CN204417403U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104495785A (en) * | 2014-12-10 | 2015-04-08 | 石家庄新华能源环保科技股份有限公司 | Coking dividing wall type rotary kiln device |
| CN109251755A (en) * | 2018-08-16 | 2019-01-22 | 内蒙古万众炜业科技环保股份公司 | External heat type rotary furnace is used in a kind of production of semi-coke |
-
2014
- 2014-12-10 CN CN201420772371.7U patent/CN204417403U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104495785A (en) * | 2014-12-10 | 2015-04-08 | 石家庄新华能源环保科技股份有限公司 | Coking dividing wall type rotary kiln device |
| CN109251755A (en) * | 2018-08-16 | 2019-01-22 | 内蒙古万众炜业科技环保股份公司 | External heat type rotary furnace is used in a kind of production of semi-coke |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20150624 Effective date of abandoning: 20160907 |
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| C25 | Abandonment of patent right or utility model to avoid double patenting |