CN104630420B - A kind of portable AOD furnace feeding flue gas gathering system - Google Patents

A kind of portable AOD furnace feeding flue gas gathering system Download PDF

Info

Publication number
CN104630420B
CN104630420B CN201510082863.2A CN201510082863A CN104630420B CN 104630420 B CN104630420 B CN 104630420B CN 201510082863 A CN201510082863 A CN 201510082863A CN 104630420 B CN104630420 B CN 104630420B
Authority
CN
China
Prior art keywords
portable
aod furnace
support
smoke pipe
air channel
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN201510082863.2A
Other languages
Chinese (zh)
Other versions
CN104630420A (en
Inventor
全立明
王进
陈盛建
马晓辉
刘世铮
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Tiancheng Environment Protection Technology Co Ltd Zhonggang Group
Original Assignee
Tiancheng Environment Protection Technology Co Ltd Zhonggang Group
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Tiancheng Environment Protection Technology Co Ltd Zhonggang Group filed Critical Tiancheng Environment Protection Technology Co Ltd Zhonggang Group
Priority to CN201510082863.2A priority Critical patent/CN104630420B/en
Publication of CN104630420A publication Critical patent/CN104630420A/en
Application granted granted Critical
Publication of CN104630420B publication Critical patent/CN104630420B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Abstract

The present invention relates to a kind of for portable AOD furnace feeding flue gas gathering system.Rotate range hood 1 including fire door, smoke pipe rotates catch wheel device 3, mobile smoke guide device 7, smoke pipe rotary apparatus 10, fire tube flue support 4, air channel groove support 9;Fire door rotates range hood 1 and is arranged on portable AOD furnace fire door top;Fire tube flue support 4 is arranged on portable AOD furnace mobile platform;Air channel groove support 9 is arranged in the factory on portable AOD furnace moving track side on ground, arranges along AOD furnace moving track;Fire door rotate range hood 1 rear end be rigidly connected fire tube flue 2, flower smoke pipe 5, smoke pipe rotary apparatus 10;Smoke pipe is set at fire tube flue 2 and fire tube flue support 4 joining place and rotates catch wheel device 3, air channel groove support 9 arranges air channel groove 8;Mobile smoke guide device 7 is arranged on air channel groove 8.Native system effectively catches the flue gas produced in portable AOD furnace smelting process, meets the requirement of environmental protection and industrial hygiene, and small investment, operating cost are low, do not affect portable AOD furnace operation, reliable, arresting efficiency is high.

Description

A kind of portable AOD furnace feeding flue gas gathering system
Technical field
The invention belongs to dedusting environment friendly field, particularly to one for portable AOD furnace feeding flue gas gathering system.
Background technology
Portable AOD furnace is the refining equipment used by argon-oxygen-decarburizing process, this equipment can produce substantial amounts of ash-laden gas in smelting process, these flue gases can cause very big contamination hazard and the wasting of resources: 1, has a strong impact on and produces the healthy of region workman, it is easy to causes the disease of respiratory system aspect;2, flue gas disperse is in workshop, and manufacturing area visibility reduces, and affects the operation of workman;3, flue gas flies away in air, pollutes plant area's territory surrounding and atmospheric environment;4, the dust settling in flue gas is to plant area territory, affects plant area's industrial hygiene environment, increases labor strength during cleaning;5, it is deposited to the dust in plant area territory and in air, is substantially free of recovery, cause the very big wasting of resources.Dust pollution harm and the wasting of resources that portable AOD furnace produces in smelting process are so serious, it is necessary to it is administered.
Portable AOD furnace is divided into fixed and portable two kinds.Portable AOD furnace is relatively fixed formula and has the saving energy, increase the thermal efficiency, do not carry out when hanging, being dried baking or prewarming baking, the life-span of furnace lining increases, the advantage that the duration of heat shortens, shortcoming is that the flue gas produced in smelting process moves also with body of heater and moves, and the trapping of flue gas is added difficulty.Make a general survey of the flue gas produced in national each Enterprise Mobile formula AOD furnace smelting process, be be allowed to elegant, only smoke collecting cover is set at certain fixing point, the smoke problem that center produces was smelted, thus the environmental requirement and industrial hygiene requirement that produce increasingly stringent can not be met all without the basic movable type AOD furnace that solves.
The flue gas produced in a lot of Enterprise Mobile formula AOD furnace smelting processes at present, effectively do not solved, be because being achieved by a variety of factors: 1, portable AOD furnace smelting process position is not fixed, and moving area is bigger, cause that flue gas source is not also fixed, add very big difficulty to flue gas trapping;2, portable AOD furnace smelting process has a lot of operation, and body of heater itself is also required to vert, and the flue gas of its generation is carried out the systematic air flow that effectively trapping needs are very big, adds investment and operating cost.
Summary of the invention
It is an object of the invention to overcome above-mentioned prior art not enough, it is provided that one is economical, it is effective to trap, the portable AOD furnace smelting that is applicable to not affecting again portable AOD furnace function produces the trapping system of flue gas.
For achieving the above object, technical solution provided by the invention is: a kind of portable AOD furnace feeding flue gas gathering system, rotates range hood, smoke pipe rotation catch wheel device, mobile smoke guide device, smoke pipe rotary apparatus, fire tube flue support, air channel groove support including fire door.
Described fire door rotates range hood and is arranged on portable AOD furnace fire door top, suitable height;Described fire door rotates range hood and arranges suitable cross-section according to the size of systematic air flow, point inner cover and outer housing;Described fire door rotates range hood and adopts stainless steel;Ensure that fire door rotates range hood and uses the time.
Described fire tube flue support is arranged on portable AOD furnace mobile platform, needs to do heat insulation process near portable AOD furnace side.
Described air channel groove support is arranged in the factory on portable AOD furnace moving track side on ground, arranges along AOD furnace moving track.
Described fire door rotates be rigidly connected colored smoke pipe, the flower smoke pipe rear end of fire tube flue, fire tube flue rear end that be rigidly connected, range hood rear end and is rigidly connected smoke pipe rotary apparatus.
Described fire door rotates range hood, fire tube flue, flower smoke pipe one integral piece load-bearing on fire tube flue support.
Arranging smoke pipe at described fire tube flue and fire tube flue support joining place and rotate catch wheel device, fire tube flue rotates catch wheel device by smoke pipe and is flexibly connected with fire tube flue support.
Described air channel groove support arranges air channel groove;Described mobile smoke guide device is arranged on the groove of air channel, moves on the groove of air channel with the movement of portable AOD furnace.
Further, described fire tube flue is round pipe, and tube wall needs to strengthen, and keeps intensity.
Further, described smoke pipe rotates catch wheel device is the molectron with roller.
Further, described mobile smoke guide device is for leading cigarette seal assembly.
Further, perforate on described colored smoke pipe tube wall, at flower smoke pipe tapping, gas tank is set, gas tank utilizes the local space of fire tube flue support, adopts steel plate to seal five formation.
Further, described gas tank front end is connected with mobile smoke guide device flexible sealing, and rear end connects with air channel groove.
Further, described air channel groove arranging track, notch adopts balata belt to seal;Groove one end, air channel is closed, the other end is connected with dedusting supervisor.
Further, described smoke pipe rotary apparatus includes motor, power transmission shaft, in the main shaft bottom of power transmission shaft, shaft coupling is set, middle part arranges axle sleeve, and the medium position at axle sleeve is laterally vertically arranged connecting plate, and connecting plate is fixed on axle sleeve by flange, the bottom of axle sleeve arranges self-aligning roller bearing, top arranges taper roll bearing, arranges gusset, gusset top revolving part on the top of main shaft.
Further, described gusset top revolving part rotates range hood with fire door and is connected, and arranges a field operation box, and the motor being operated by case operation smoke pipe rotary apparatus realizes fire door and rotates the rotation of range hood.
Further, the described smoke pipe rotation catch wheel device molectron with roller includes gear wheel axle, gear wheel body, gear wheel support;Gear wheel axle is arranged on the middle part of gear wheel body;Gear wheel axle is provided with bearing, axle bumper;Gear wheel axle is bolted on gear wheel support by fastening, and gear wheel support one end is by adjusting the fixing jackscrew support of bolt.
Further, the gear wheel support that smoke pipe rotates in catch wheel device is connected with fire tube flue support, and the gear wheel body that smoke pipe rotates in catch wheel device is connected with fire tube flue by flange.
Further, the cigarette seal assembly of leading of described mobile smoke guide device includes vehicle frame, mobile wheel, belt pulley, leads cigarette bend pipe;Mobile wheel is arranged on frame downward;Belt pulley is arranged on the top of mobile wheel, and belt pulley arranges little gear wheel, gear wheel, preposition spring, rear spring;Arrange in the middle part of belt pulley and lead cigarette bend pipe;Lead cigarette bend pipe and be provided with seal bellows.
Further, described gas tank is connected with the cigarette bend pipe of leading in mobile smoke guide device.
Portable AOD furnace fire door top arranges fire door and rotates range hood, move at portable AOD furnace hot metal charging, stove, stove put in place after blowing time, by the rotation of smoke pipe rotary apparatus, fire door can be made to rotate range hood in the surface of fire door, trap the flue gas of this operation period generation completely;When portable AOD furnace is fed in raw material, gone out molten steel, sample examination, thermometric, by the rotation of smoke pipe rotary apparatus, fire door can be made to rotate range hood above the appropriate side of fire door, namely do not affect smelting operation, the flue gas of this operation period generation can be trapped again;When portable AOD furnace needs lifting maintenance, by the rotation of smoke pipe rotary apparatus, fire door can be made to rotate the range hood top away from body of heater place, not the lifting maintenance of shadow body of heater.
The invention has the beneficial effects as follows: present system can effectively catch the flue gas produced in portable AOD furnace smelting process, meet the requirement of environmental protection and industrial hygiene, and small investment, operating cost are low, do not affect portable AOD furnace operation, reliable, arresting efficiency is high.
Accompanying drawing explanation
Fig. 1 is the structural representation of portable AOD furnace feeding flue gas gathering system.
Fig. 2 is the installation diagram of portable AOD furnace feeding flue gas gathering system and AOD furnace.
Fig. 3 is the I point enlarged drawing in Fig. 2.
Fig. 4 is that smoke pipe rotates catch wheel device structure chart.
Fig. 5 is the side view of Fig. 4.
Fig. 6 is smoke pipe rotary device structure figure.
Fig. 7 is mobile smoke guide device structure chart.
Fig. 8 is the side view of Fig. 6.
In figure: 1. fire door rotates range hood;2. fire tube flue;3. smoke pipe rotates catch wheel device;4. fire tube flue support;5. spend smoke pipe;6. gas tank;7. move smoke guide device;8. air channel groove;9. air channel groove support;10. smoke pipe rotary apparatus;11. fastening bolt;12. axle bumper;13. gear wheel axle;14. bearing;15. gear wheel body;16. gear wheel support;17. jackscrew support;18. adjustment bolt;19. shaft coupling;20. self-aligning roller bearing;21. power transmission shaft;22. taper roll bearing;23. gusset;24. revolving part;25. axle sleeve;27. flange;28. connecting plate;29. belt pulley;30. little gear wheel;31. gear wheel;32. mobile wheel;33. preposition spring;34. vehicle frame;35. seal bellows;36. rear spring;37 lead cigarette bend pipe.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention will be further described.
A kind of portable AOD furnace feeding flue gas gathering system, rotates range hood 1, smoke pipe rotation catch wheel device 3, mobile smoke guide device 7, smoke pipe rotary apparatus 10, fire tube flue support 4, air channel groove support 9 including fire door;
Described fire door rotates range hood 1 and is arranged on portable AOD furnace fire door top;
Described fire tube flue support 4 is arranged on portable AOD furnace mobile platform;
Described air channel groove support 9 is arranged in the factory on portable AOD furnace moving track side on ground, arranges along AOD furnace moving track;
Described fire door rotates be rigidly connected colored smoke pipe 5, flower smoke pipe 5 rear end of fire tube flue 2, fire tube flue 2 rear end that be rigidly connected, range hood 1 rear end and is rigidly connected smoke pipe rotary apparatus 10;
Described fire door rotates range hood 1, fire tube flue 2, flower smoke pipe 5 one integral piece load-bearing on fire tube flue support 4;
Arranging smoke pipe at described fire tube flue 2 and fire tube flue support 4 joining place and rotate catch wheel device 3, fire tube flue 2 rotates catch wheel device 3 by smoke pipe and is flexibly connected with fire tube flue support 4;
Described air channel groove support 9 arranges air channel groove 8;Described mobile smoke guide device 7 is arranged on air channel groove 8.
Described fire door rotates range hood 1 and includes inner cover, outer housing.
It is the molectron with roller that described smoke pipe rotates catch wheel device 3;The described molectron with roller includes gear wheel axle 13, gear wheel body 15, gear wheel support 16;Gear wheel axle 13 is arranged on the middle part of gear wheel body 15;Gear wheel axle 13 is provided with bearing 14, axle bumper 12;Gear wheel axle 13 is fixed on gear wheel support 16 by fastening bolt 11, and jackscrew support 17 is fixed by adjusting bolt 18 in gear wheel support 16 one end.
Described smoke pipe rotary apparatus includes motor, power transmission shaft 21, in the bottom of power transmission shaft 21, shaft coupling 19 is set, middle part arranges axle sleeve 25, medium position at axle sleeve 25 is laterally vertically arranged connecting plate 28, connecting plate 28 is fixed on axle sleeve 25 by flange 27, and the bottom of axle sleeve 25 arranges self-aligning roller bearing 20, and top arranges taper roll bearing 22, arrange gusset 23 on the top of power transmission shaft 21, gusset 23 top arranges revolving part 24.
Described mobile smoke guide device 7 is for leading cigarette seal assembly;Described cigarette seal assembly of leading includes vehicle frame 34, mobile wheel 32, belt pulley 29, leads cigarette bend pipe 37;Mobile wheel 32 is arranged on vehicle frame 34 bottom;Belt pulley 29 is arranged on the top of mobile wheel 32, and belt pulley 29 arranges little gear wheel 30, gear wheel 31, preposition spring 33, rear spring 36;Arrange in the middle part of belt pulley 29 and lead cigarette bend pipe 37;Lead cigarette bend pipe 37 and be provided with seal bellows 35.
Perforate on described colored smoke pipe 5 tube wall, arranges gas tank 6 at flower smoke pipe 5 tapping, and gas tank 6 utilizes the local space of fire tube flue support 4, adopts steel plate to seal five formation.
Described gas tank 6 front end is connected with mobile smoke guide device 7 flexible sealing by flexible seals, and rear end connects with air channel groove 8.
Arranging track on described air channel groove 8, notch adopts balata belt to seal;Air channel groove 8 one end is closed, the other end is connected with dedusting supervisor.
Portable AOD furnace moves to hot metal charging station, and the body of heater that verts makes fire door arrive proper angle, and fire door is rotated range hood 1 and rotated to the fire door of the body of heater that verts by smoke pipe rotary apparatus 10, the flue gas produced when trapping by intermediate frequency furnace to portable AOD furnace hot metal charging.The flue gas of trapping flows into dedusting supervisor by fire tube flue 2, flower smoke pipe 5, gas tank 6, mobile smoke guide device 7, air channel groove 8 under the effect of system air-introduced machine, subsequently into cleaner unit equipment, is processed in cleaner.
After portable AOD furnace hot metal charging is complete, body of heater just shakes, and fire door is rotated range hood 1 and rotated by smoke pipe rotary apparatus 10 and also rotate to fire door, traps the flue gas emerged by portable AOD furnace fire door.
As by driving a vehicle to body of heater with slag former and steel scrap, fire door is rotated range hood 1 and rotated by smoke pipe rotary apparatus 10, make fire door rotate range hood 1 and cover mouth above fire door side, neither affect reinforced operation of driving a vehicle, also can trap the flue gas that this operation produces.
As by feeding chute to body of heater with slag former and steel scrap, fire door is rotated range hood 1 and is rotated by smoke pipe rotary apparatus 10, rotates with fire door and keeps consistent, remains that fire door rotates range hood 1 and covers mouth directly over fire door, traps the flue gas of this operation generation.
Portable AOD furnace moves in orbit to smelting station, fire door is rotated range hood 1 and is moved by the fire tube flue support 4 being arranged on portable AOD furnace platform, all the time Shi Zhaokou center is directly over fire door, now move smoke guide device 7 also on air channel groove 8 with portable AOD furnace synchronizing moving.
Portable AOD furnace is when smelting station oxygen blast and smelting, and fire door rotates range hood 1 and covers mouth directly over fire door, traps the flue gas that this operation produces.
Portable AOD furnace needs laboratory sampling, thermometric after smelting, when going out molten steel, the body of heater that verts makes fire door arrive proper angle, and fire door is rotated range hood 1 and rotated to the fire door of the body of heater that verts by smoke pipe rotary apparatus 10, traps the flue gas that this operation produces.
When portable AOD furnace needs lifting maintenance, fire door rotates range hood 1 and is pivoted away from above fire door by smoke pipe rotary apparatus 10, does not affect body of heater lifting maintenance.
It is unsettled setting that fire door rotates range hood 1, it is necessary to rotates catch wheel device 3 by smoke pipe and is supported on fire tube flue support 4.
When fire tube flue 2 rotates with fire door rotation range hood 1, it is also desirable to rotate catch wheel device 3 by smoke pipe and make its uniform force, indeformable during rotation.
Air channel groove 8 is arranged on air channel groove support 9, moves along formula AOD furnace moving track and arranges.

Claims (8)

1. a portable AOD furnace feeding flue gas gathering system, it is characterised in that: trapping system includes fire door and rotates range hood (1), smoke pipe rotation catch wheel device (3), mobile smoke guide device (7), smoke pipe rotary apparatus (10), fire tube flue support (4), air channel groove support (9);
Described fire door rotates range hood (1) and is arranged on portable AOD furnace fire door top;
Described fire tube flue support (4) is arranged on portable AOD furnace mobile platform;
Described air channel groove support (9) is arranged in the factory on portable AOD furnace moving track side on ground, arranges along AOD furnace moving track;
Described fire door rotates be rigidly connected colored smoke pipe (5), flower smoke pipe (5) rear end of fire tube flue (2), fire tube flue (2) rear end that be rigidly connected, range hood (1) rear end and is rigidly connected smoke pipe rotary apparatus (10);
Described fire door rotates range hood (1), fire tube flue (2), flower smoke pipe (5) one integral piece load-bearing on fire tube flue support (4);
Arranging smoke pipe at described fire tube flue (2) and fire tube flue support (4) joining place and rotate catch wheel device (3), fire tube flue (2) rotates catch wheel device (3) by smoke pipe and is flexibly connected with fire tube flue support (4);
Described air channel groove support (9) arranges air channel groove (8);Described mobile smoke guide device (7) is arranged on air channel groove (8).
2. a kind of portable AOD furnace feeding flue gas gathering system as claimed in claim 1, it is characterised in that described fire door rotates range hood (1) and includes inner cover, outer housing.
3. a kind of portable AOD furnace feeding flue gas gathering system as claimed in claim 1, it is characterised in that it is the molectron with roller that described smoke pipe rotates catch wheel device (3);The described molectron with roller includes gear wheel axle (13), gear wheel body (15), gear wheel support (16);Gear wheel axle (13) is arranged on the middle part of gear wheel body (15);Gear wheel axle (13) is provided with bearing (14), axle bumper (12);Gear wheel axle (13) is fixed on gear wheel support (16) by fastening bolt (11), and gear wheel support (16) one end is by adjusting the fixing jackscrew support (17) of bolt (18).
4. a kind of portable AOD furnace feeding flue gas gathering system as claimed in claim 1, it is characterized in that described smoke pipe rotary apparatus includes motor, power transmission shaft (21), in the bottom of power transmission shaft (21), shaft coupling (19) is set, middle part arranges axle sleeve (25), medium position at axle sleeve (25) is laterally vertically arranged connecting plate (28), connecting plate (28) is fixed on axle sleeve (25) by flange (27), the bottom of axle sleeve (25) arranges self-aligning roller bearing (20), top arranges taper roll bearing (22), on the top of power transmission shaft (21), gusset (23) is set, gusset (23) top arranges revolving part (24).
5. a kind of portable AOD furnace feeding flue gas gathering system as claimed in claim 1, it is characterised in that described mobile smoke guide device (7) is for leading cigarette seal assembly;Described cigarette seal assembly of leading includes vehicle frame (34), mobile wheel (32), belt pulley (29), leads cigarette bend pipe (37);Mobile wheel (32) is arranged on vehicle frame (34) bottom;Belt pulley (29) is arranged on the top of mobile wheel (32), and belt pulley (29) arranges little gear wheel (30), gear wheel (31), preposition spring (33), rear spring (36);Belt pulley (29) middle part is arranged leads cigarette bend pipe (37);Lead cigarette bend pipe (37) and be provided with seal bellows (35).
6. a kind of portable AOD furnace feeding flue gas gathering system as claimed in claim 1, it is characterized in that perforate on described colored smoke pipe (5) tube wall, arranging gas tank (6) at flower smoke pipe (5) tapping, gas tank (6) utilizes the local space of fire tube flue support (4), adopts steel plate to seal five formation.
7. a kind of portable AOD furnace feeding flue gas gathering system as described in claim 1 or 5, it is characterised in that gas tank (6) front end is connected with mobile smoke guide device (7) flexible sealing by flexible seals, and rear end connects with air channel groove (8).
8. a kind of portable AOD furnace feeding flue gas gathering system as claimed in claim 1, it is characterised in that air channel groove arranges track on (8), and notch adopts balata belt to seal;Air channel groove (8) one end is closed, the other end is connected with dedusting supervisor.
CN201510082863.2A 2015-02-16 2015-02-16 A kind of portable AOD furnace feeding flue gas gathering system Active CN104630420B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201510082863.2A CN104630420B (en) 2015-02-16 2015-02-16 A kind of portable AOD furnace feeding flue gas gathering system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201510082863.2A CN104630420B (en) 2015-02-16 2015-02-16 A kind of portable AOD furnace feeding flue gas gathering system

Publications (2)

Publication Number Publication Date
CN104630420A CN104630420A (en) 2015-05-20
CN104630420B true CN104630420B (en) 2016-07-06

Family

ID=53209663

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201510082863.2A Active CN104630420B (en) 2015-02-16 2015-02-16 A kind of portable AOD furnace feeding flue gas gathering system

Country Status (1)

Country Link
CN (1) CN104630420B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105149312B (en) * 2015-09-25 2017-03-29 国网山东商河县供电公司 Power plant's dust arrester
CN105112603B (en) * 2015-09-30 2017-06-09 中冶京诚工程技术有限公司 A kind of rotary dust arrester
CN105466216A (en) * 2015-12-11 2016-04-06 凯天环保科技股份有限公司 Intermediate frequency furnace
CN106949742A (en) * 2017-04-21 2017-07-14 江苏江南铁合金有限公司 A kind of charging system and charging process

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5941411A (en) * 1982-09-02 1984-03-07 Nippon Yakin Kogyo Co Ltd Hood for inhibiting invasion of air into aod furnace and method for inhibiting invasion of air using said hood
JP2855867B2 (en) * 1990-10-01 1999-02-10 大同特殊鋼株式会社 Refining method of chromium-containing molten steel
CN201032401Y (en) * 2007-05-11 2008-03-05 权五显 Double-layer flue gas catch moving cover for smelting electric stove
CN201166520Y (en) * 2008-06-01 2008-12-17 江阴市盛凯环保设备有限公司 Intermediate frequency furnace flue gas trapping device
CN102445086A (en) * 2011-09-01 2012-05-09 中冶东方工程技术有限公司 Smoke collecting device of iron tapping hole of rotary electric furnace
CN204824961U (en) * 2015-02-16 2015-12-02 中钢集团天澄环保科技股份有限公司 Portable AOD kiln gas trapping system

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5941411A (en) * 1982-09-02 1984-03-07 Nippon Yakin Kogyo Co Ltd Hood for inhibiting invasion of air into aod furnace and method for inhibiting invasion of air using said hood
JP2855867B2 (en) * 1990-10-01 1999-02-10 大同特殊鋼株式会社 Refining method of chromium-containing molten steel
CN201032401Y (en) * 2007-05-11 2008-03-05 权五显 Double-layer flue gas catch moving cover for smelting electric stove
CN201166520Y (en) * 2008-06-01 2008-12-17 江阴市盛凯环保设备有限公司 Intermediate frequency furnace flue gas trapping device
CN102445086A (en) * 2011-09-01 2012-05-09 中冶东方工程技术有限公司 Smoke collecting device of iron tapping hole of rotary electric furnace
CN204824961U (en) * 2015-02-16 2015-12-02 中钢集团天澄环保科技股份有限公司 Portable AOD kiln gas trapping system

Also Published As

Publication number Publication date
CN104630420A (en) 2015-05-20

Similar Documents

Publication Publication Date Title
CN104630420B (en) A kind of portable AOD furnace feeding flue gas gathering system
CN201166520Y (en) Intermediate frequency furnace flue gas trapping device
CN100577820C (en) Mobile smoke blast trapping device for furnace mixer
CN107267169B (en) Coal-charging smoke dust directional control system and method of tamping coke oven machine side
CN201102943Y (en) Smoke trapping device of tamping coke oven
CN210411847U (en) Movable dust removal system for scrap steel cutting
CN204080053U (en) The pyrolysis liquating furnace of waste enameled wire and production line
CN204824961U (en) Portable AOD kiln gas trapping system
CN100383219C (en) Coal loading and smoke guiding bogie for stamping coke oven
CN110184078B (en) Coal-charging dust-removing system applied to tamping coal-charging coke pusher and operation steps thereof
CN105217631B (en) The method and its system of clean environment firendly semicoke formula continuous production carbon disulfide
CN201162019Y (en) Semi-high trestle type smoke drip catcher for blast furnace mixer
CN216606577U (en) Movable dust hood
CN216864224U (en) Continuous feeding device for preheating level of scrap steel of electric furnace
CN107201239B (en) Coal-charging smoke dust loss prevention system and method at tamping coke oven machine side
CN206803762U (en) A kind of charging system
CN204388636U (en) Coreless induction furnace dust trapping device
CN210754266U (en) Smelting flue gas dust collection cover
CN212741230U (en) Flue gas centralized treatment device applied to tamping coal-charging coke pusher
CN214300225U (en) Iron and steel smelting device
CN105651070A (en) Movable smoke gathering hood for folding molten iron into tank
CN210065834U (en) Movable closed cover for refining furnace
CN207741582U (en) A kind of fume extractor of electric melting furnace
CN206944734U (en) Cantilevered intermediate frequency furnace dust trapping device
CN207520807U (en) A kind of steel scrap cutting dedusting device

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant