CN104630420A - Smoke collecting system of mobile AOD furnace - Google Patents

Smoke collecting system of mobile AOD furnace Download PDF

Info

Publication number
CN104630420A
CN104630420A CN201510082863.2A CN201510082863A CN104630420A CN 104630420 A CN104630420 A CN 104630420A CN 201510082863 A CN201510082863 A CN 201510082863A CN 104630420 A CN104630420 A CN 104630420A
Authority
CN
China
Prior art keywords
mobile
smoke
aod furnace
portable
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.)
Granted
Application number
CN201510082863.2A
Other languages
Chinese (zh)
Other versions
CN104630420B (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 invention relates to a smoke collecting system of a mobile AOD furnace. The system comprises a furnace mouth rotary smoke shield 1, a smoke tube rotary catch wheel device 3, a mobile smoke guide device 7, a smoke tube rotating device 10, a smoke guide pipe rack 4, and an air channel slot rack 9, wherein the furnace mouth rotary smoke shield 1 is installed on the upper part of the furnace mouth of the mobile AOD furnace; the smoke guide pipe rack 4 is installed on a mobile platform of the mobile AOD furnace; the air channel slot rack 9 is installed on the ground of the factory next to the mobile rail of the mobile AOD furnace and is arranged along the mobile rail of the mobile AOD furnace; the rear end of the furnace mouth rotary smoke shield 1 is in rigid connection with a smoke guide pipe 2, a smoke use pipe 5 and a smoke tube rotating device 10; the smoke tube rotary catch wheel device 3 is installed on the joint part of the smoke guide pipe 2 and the smoke guide pipe rack 4; the air channel slot rack 9 is provided with an air channel slot 8; the mobile smoke guide device 7 is installed on the air channel slot 8. The system is capable of effectively collecting the smoke generated in the melting process of the mobile AOD furnace and meeting the requirements of the environmental protection and the industrial health, and is low in investment, low in running cost, reliable in operation and high in collecting efficiency and does not affect the operation of the mobile AOD furnace.

Description

A kind of portable AOD furnace feeding flue gas gathering system
Technical field
The invention belongs to dedusting environment friendly field, particularly one is used for portable AOD furnace feeding flue gas gathering system.
Background technology
Portable AOD furnace is argon-oxygen-decarburization process refining unit used, this equipment can produce a large amount of ash-laden gass in smelting process, these flue gases can cause very large pollution hazard and the wasting of resources: 1, have a strong impact on the healthy of output zone workman, easily cause the disease of respiratory system aspect; 2, flue gas disperse is in workshop, and manufacturing area visibility meter reduces, and affects the operation of workman; 3, flue gas flies away in air, pollutes plant area's territory surrounding environment and atmospheric environment; 4, the dust settling in flue gas, to plant area territory, affects plant area's industrial hygiene environment, increases labor strength during cleaning; 5, be deposited to the dust in plant area territory and in air, substantially do not reclaim, cause the very large wasting of resources.The dust pollution harm that portable AOD furnace produces in smelting process and the wasting of resources so seriously, are necessary to administer it.
Portable AOD furnace is divided into fixed and portable two kinds.It is portable that AOD furnace is relatively fixed has the saving energy, increase thermo-efficiency, do not carry out when hanging, carrying out drying baking or prewarming baking, the life-span of furnace lining increases, the advantage that tap to tap time shortens, shortcoming is that the flue gas produced in smelting process also moves along with body of heater and moves, and adds difficulty to the trapping of flue gas.Make a general survey of the flue gas produced in national each Enterprise Mobile formula AOD furnace smelting process, be let alone elegant, only smoke collecting cover is set at certain point of fixity, all the portable AOD furnace of basic solution smelted the smoke problem that center produces, thus can not meet the environmental requirement and industrial hygiene requirement of producing increasingly stringent.
The flue gas produced in a lot of Enterprise Mobile formula AOD furnace smelting process at present, effectively do not solved, be because be achieved by a variety of factors: 1, portable AOD furnace smelting process position is not fixed, moving area is larger, cause flue gas source also not fixed, add very large difficulty to flue gas trapping; 2, portable AOD furnace smelting process has a lot of operation, and body of heater itself also needs to vert, and carrying out effectively trapping to its flue gas produced needs very large systematic air flow, adds investment and running cost.
Summary of the invention
The object of the invention is to overcome above-mentioned prior art not enough, provide a kind of economical, trap effective, the portable AOD furnace that is applicable to not affecting again portable AOD furnace function smelts the trapping system producing 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, comprises fire door and rotates range hood, smoke pipe rotation catch wheel device, mobile smoke guide device, smoke pipe swivel arrangement, fire tube flue support, air channel groove support.
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 cover; Described fire door rotates range hood and adopts stainless steel; Ensure that fire door rotates range hood duration of service.
Described fire tube flue Bracket setting, on portable AOD furnace mobile platform, needs to do heat insulation process near portable AOD furnace side.
Described air channel groove Bracket setting on ground, is arranged along AOD furnace moving track in the factory on portable AOD furnace moving track side.
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 to be rigidly connected smoke pipe swivel arrangement.
Described fire door rotates range hood, fire tube flue, the load-bearing of flower smoke pipe one integral piece on fire tube flue support.
Arrange 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, and the movement with portable AOD furnace is moved on the groove of air channel.
Further, described fire tube flue is round pipe, and tube wall needs to strengthen, and keeps intensity.
Further, described smoke pipe rotates the subassembly that catch wheel device is band roller.
Further, described mobile smoke guide device is for leading cigarette seal assembly.
Further, perforate on described colored smoke pipe tube wall, arrange gas tank at flower smoke pipe tapping, 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 is communicated with air channel groove.
Further, described air channel groove arranges track, notch adopts balata belt sealing; Groove one end, air channel is closed, the other end is responsible for dedusting and is connected.
Further, described smoke pipe swivel arrangement comprises motor, transmission shaft, in the main shaft bottom of transmission shaft, shaft coupling is set, middle part arranges axle sleeve, and laterally vertically arrange web plate at the medium position of axle sleeve, web plate is fixed on axle sleeve by flange, the bottom of axle sleeve arranges self-aligning roller bearing, top arranges taper roller bearing, arranges gusset on the top of main shaft, gusset top revolving part.
Further, described gusset top revolving part rotates range hood with fire door and is connected, and arranges a field operation box, realizes by the motor in operation box operation smoke pipe swivel arrangement the rotation that fire door rotates range hood.
Further, the subassembly of described smoke pipe rotation catch wheel device band roller comprises 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 fixed on gear wheel support by holding bolt, and jackscrew support is fixed by adjustment bolt in gear wheel support one end.
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 comprises 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, belt pulley is arranged 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 swivel arrangement, fire door can be made to rotate range hood directly over fire door, trap the flue gas of this operation period generation completely; Feed in raw material in portable AOD furnace, when going out molten steel, sample examination, thermometric, by the rotation of smoke pipe swivel arrangement, 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 that this operation period produces can be trapped again; When portable AOD furnace needs lifting maintenance, by the rotation of smoke pipe swivel arrangement, fire door can be made to rotate the top of range hood 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 effectively can catch the flue gas produced in portable AOD furnace smelting process, meet the requirement of environmental protection and industrial hygiene, and less investment, working cost low, do not affect portable AOD furnace operation, reliable, collection 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 wiring layout of portable AOD furnace feeding flue gas gathering system and AOD furnace.
Fig. 3 is the I point enlarged view in Fig. 2.
Fig. 4 is that smoke pipe rotates catch wheel device structure iron.
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 iron.
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 swivel arrangement; 11. holding bolts; 12. axle bumpers; 13. gear wheel axles; 14. bearings; 15. gear wheel bodies; 16. gear wheel supports; 17. jackscrew supports; 18. adjustment bolts; 19. shaft couplings; 20. self-aligning roller bearings; 21. transmission shafts; 22. taper roller bearings; 23. gussets; 24. revolving parts; 25. axle sleeves; 27. flanges; 28. web plates; 29. belt pulleys; 30. little gear wheels; 31. gear wheels; 32. mobile wheels; 33. preposition springs; 34. vehicle frames; 35. seal bellows; 36. rear springs; 37 lead cigarette bend pipe.
Embodiment
Below in conjunction with accompanying drawing, the present invention will be further described.
A kind of portable AOD furnace feeding flue gas gathering system, comprises fire door and rotates range hood 1, smoke pipe rotation catch wheel device 3, mobile smoke guide device 7, smoke pipe swivel arrangement 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;
In the factory that described air channel groove support 9 is arranged on portable AOD furnace moving track side on ground, arrange 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 to be rigidly connected smoke pipe swivel arrangement 10;
Described fire door rotates range hood 1, fire tube flue 2, the load-bearing of flower smoke pipe 5 one integral piece on fire tube flue support 4;
Arrange smoke pipe at described fire tube flue 2 with 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 comprises inner cover, outer cover.
Described smoke pipe rotates the subassembly that catch wheel device 3 is band roller; The subassembly of described band roller comprises 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 holding bolt 11, and jackscrew support 17 is fixed by adjustment bolt 18 in gear wheel support 16 one end.
Described smoke pipe swivel arrangement comprises motor, transmission shaft 21, in the bottom of transmission shaft 21, shaft coupling 19 is set, middle part arranges axle sleeve 25, at the medium position of axle sleeve 25, laterally web plate 28 is vertically set, web 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 roller bearing 22, arrange gusset 23 on the top of 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 comprises 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, belt pulley 29 is arranged 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, arrange 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.
Described gas tank 6 front end is connected with mobile smoke guide device 7 flexible sealing by flexible seals, and rear end is communicated with air channel groove 8.
Described air channel groove 8 arranges track, and notch adopts balata belt sealing; Air channel groove 8 one end is closed, the other end is responsible for dedusting and is connected.
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 swivel arrangement 10, traps by intermediate frequency furnace to the flue gas produced during 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 induced draft fan, then enters fly-ash separator equipment, is processed in dust removal installation.
After portable AOD furnace hot metal charging is complete, body of heater just shakes, and fire door rotation range hood 1 is rotated by smoke pipe swivel arrangement 10 and also rotates to fire door, traps the flue gas of being emerged by portable AOD furnace fire door.
As by driving to body of heater with slag former and steel scrap, fire door is rotated range hood 1 and is rotated by smoke pipe swivel arrangement 10, and make fire door rotate range hood 1 and cover mouth above fire door side, neither the reinforced operation of impact driving, 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 rotate range hood 1 rotated by smoke pipe swivel arrangement 10, rotates with fire door and is consistent, remain fire door rotate range hood 1 cover mouth directly over fire door, trap this operation generation flue gas.
Portable AOD furnace moves to smelting station in orbit, fire door is rotated range hood 1 and is moved by the fire tube flue support 4 be 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 swivel arrangement 10, traps the flue gas that this operation produces.
When portable AOD furnace needs lifting to overhaul, fire door rotates range hood 1 and rotates away from above fire door by smoke pipe swivel arrangement 10, does not affect body of heater lifting maintenance.
It is unsettled setting that fire door rotates range hood 1, needs to rotate 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, also need 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, arranges along portable AOD furnace moving track.

Claims (8)

1. a portable AOD furnace feeding flue gas gathering system, is characterized in that: trapping system comprises fire door and rotates range hood (1), smoke pipe rotation catch wheel device (3), mobile smoke guide device (7), smoke pipe swivel arrangement (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;
In the factory that described air channel groove support (9) is arranged on portable AOD furnace moving track side on ground, arrange 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 to be rigidly connected smoke pipe swivel arrangement (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);
Arrange 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, is characterized in that described fire door rotates range hood (1) and comprises inner cover, outer cover.
3. a kind of portable AOD furnace feeding flue gas gathering system as claimed in claim 1, is characterized in that described smoke pipe rotates the subassembly that catch wheel device (3) is band roller; The subassembly of described band roller comprises 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 holding bolt (11), and gear wheel support (16) one end is by the fixing jackscrew support (17) of adjustment 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 swivel arrangement comprises motor, transmission shaft (21), in the bottom of transmission shaft (21), shaft coupling (19) is set, middle part arranges axle sleeve (25), at the medium position of axle sleeve (25), laterally web plate (28) is vertically set, web 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 roller bearing (22), on the top of 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, is characterized in that described mobile smoke guide device (7) is for leading cigarette seal assembly; Described cigarette seal assembly of leading comprises 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), belt pulley (29) is arranged 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, arrange 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. the portable AOD furnace feeding flue gas gathering system of the one as described in claim 1 and 5, it is characterized in that gas tank (6) front end is connected with mobile smoke guide device (7) flexible sealing by flexible seals, rear end is communicated with air channel groove (8).
8. a kind of portable AOD furnace feeding flue gas gathering system as claimed in claim 1, is characterized in that air channel groove (8) arranges track, and notch adopts balata belt sealing; Air channel groove (8) one end is closed, the other end is responsible for dedusting and is connected.
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 true CN104630420A (en) 2015-05-20
CN104630420B 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)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105112603A (en) * 2015-09-30 2015-12-02 中冶京诚工程技术有限公司 Rotary type dust collector
CN105149312A (en) * 2015-09-25 2015-12-16 国网山东商河县供电公司 Dust removal device of power plant
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

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105149312A (en) * 2015-09-25 2015-12-16 国网山东商河县供电公司 Dust removal device of power plant
CN105112603A (en) * 2015-09-30 2015-12-02 中冶京诚工程技术有限公司 Rotary type dust collector
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

Also Published As

Publication number Publication date
CN104630420B (en) 2016-07-06

Similar Documents

Publication Publication Date Title
CN201166520Y (en) Intermediate frequency furnace flue gas trapping device
CN104630420A (en) Smoke collecting system of mobile AOD furnace
CN204824961U (en) Portable AOD kiln gas trapping system
CN210411847U (en) Movable dust removal system for scrap steel cutting
CN201120392Y (en) Mobile scrap steel oxygen blast cutting environment protection apparatus
CN101967533B (en) Rotary steam exhaust and dust removal method and device for hot stewing device
CN202461091U (en) Dust collection hood device
CN107723395A (en) A kind of portable steel slag hot disintegrating dust arrester and method
CN107143857A (en) Closed domestic garbage pyrolysis knockout tower
CN107962161B (en) Flue gas collecting device and die casting machine system thereof
CN201344734Y (en) Induction furnace smoke catching device
CN208193951U (en) A kind of metallurgy dust-precipitator
CN207741582U (en) A kind of fume extractor of electric melting furnace
CN214300225U (en) Iron and steel smelting device
CN204388636U (en) Coreless induction furnace dust trapping device
CN204923917U (en) Portable dust collector in line frequency furnace stokehold
CN107677140A (en) Flue dust is servo-actuated collection device
CN202209892U (en) Movable automatic-feeding dust collecting cart for intermediate frequency furnace
CN206944734U (en) Cantilevered intermediate frequency furnace dust trapping device
CN206204360U (en) Resistance rotary furnace is used in a kind of chain processing
CN209452470U (en) A kind of LF furnace height rail movable dust removal cover
CN201186936Y (en) Smoke baffle wall apparatus
CN207763511U (en) A kind of aluminium melting and holding furnace fire door air curtain dust collection cover
CN201778051U (en) Rotation type steam-exhausting and dust-removing device for hot disintegrating device
CN206989208U (en) Closed domestic garbage pyrolysis knockout tower

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