CN204923917U - Portable dust collector in line frequency furnace stokehold - Google Patents
Portable dust collector in line frequency furnace stokehold Download PDFInfo
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- CN204923917U CN204923917U CN201520542175.5U CN201520542175U CN204923917U CN 204923917 U CN204923917 U CN 204923917U CN 201520542175 U CN201520542175 U CN 201520542175U CN 204923917 U CN204923917 U CN 204923917U
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- frequency furnace
- airduct
- dust shield
- dust
- main frequency
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Abstract
The utility model discloses a dust collector, the especially portable dust collector in stokehold who is applicable to the line frequency furnace. Including set up the hole upper portion of tapping a blast furnace of line frequency furnace be used for the entrapment smoke and dust the suction hood, with the cleaning tube of suction hood intercommunication, still be equipped with the running gear who is used for the horizontal migration suction hood, running gear includes the track, receive driving motor driven action wheel and through conveyer belt and action wheel roll complex from driving wheel, the bottom of suction hood sets up action wheel and driven taking turns to, is equipped with below the suction hood with the action wheel with from driving wheel complex track, the action wheel is connected with driving motor. The utility model discloses can make suction hood along the line frequency furnace hole both sides horizontal migration that taps a blast furnace, it is convenient to move, does not influence the relevant corollary equipment's of line frequency furnace application, improves line frequency furnace tap a blast furnace the smoke and dust entrapment rate and the dust removal effect of hole department, reduces because of the smoke and dust flies away the influence of environment with the operation workman in a large number, realizes cleaner production, satisfies the environmental protection requirement.
Description
Technical field
The utility model relates to a kind of dust arrester, especially a kind of stokehold mobile type dust collector being applicable to main frequency furnace.
Background technology
The Melting Quality of iron liquid is the key link ensureing foundry goods serviceability and reliability in foundry production, along with improving constantly of market breaker roll performance requirement, in casting process, the accuracy requirement of breaker roll iron liquid composition is also more and more higher, the wherein gas content of breaker roll iron liquid, particularly oxygen content has higher requirement, oxygen content then with desulfurization, to fall silicon relevant.
Company adopts 20t main frequency furnace smelt iron liquid, 20t main frequency furnace in desulfurization, fall silicon and come out of the stove in process, by tapping a blast furnace, hole produces the high-temperature smoke filled the air in a large number everywhere, cause main frequency furnace tap a blast furnace hole region and environmental ambient air seriously polluted, the discharge of high-temperature smoke, far away higher than discharging standards, has a strong impact on the healthy of flushing and casting workman simultaneously, carries out effective dedusting in hole of tapping a blast furnace, to improving stokehold condition of work, reducing the pollution of flue dust to air and playing an important role.
Although dust removal installation is inhaled on the existing top of 20t main frequency furnace, but in actual production process, be the normal use ensureing tapping outlet equipment, it is larger that the tap a blast furnace distance in hole of dust removal installation distance is inhaled on top, flue dust is made to spread escape in uphill process, be difficult to complete supplementary set, capture rate only has 30 ~ 50%, and dust removing effects is not ideal, because dust arrestment rate is too low, still have volume of smoke to blow out factory building after coming out of the stove, cause environmental pollution, can not environmental requirement be met.
Utility model content
The utility model technical issues that need to address are for the deficiencies in the prior art, make full use of existing top and absorb the stokehold mobile type dust collector that dirt facilities design makes 20t main frequency furnace, its pipeline is inhaled dust removal installation main pipeline be connected with original top, conveniently moving, improve dust arrestment rate and dust removing effects, reduce because flue dust flies away impact on environment and operator in a large number, realize cleaner production, meet environmental requirement.
For solving the problems of the technologies described above, the technical scheme that the utility model adopts is: a kind of main frequency furnace stokehold mobile type dust collector, comprise the top, hole of tapping a blast furnace being arranged on main frequency furnace for the dust shield trapping flue dust, the cleaning shaft that is communicated with dust shield, be also provided with the walking mechanism for moving horizontally dust shield;
The driving wheel that walking mechanism comprises track, drive by drive motors and being rolled the driven pulley coordinated by conveyer belt and driving wheel, the bottom of dust shield is arranged on driving wheel and driven pulley, be provided with the track coordinated with driving wheel and driven pulley below dust shield, driving wheel is connected with drive motors.
The further improvement of technical solutions of the utility model is: be also provided with the controlling organization for controlling walking mechanism, described controlling organization comprises remote controller, the single-chip microcomputer be connected with remote controller, the power drive module that is connected with single-chip microcomputer, power drive model calling drive motors.
The further improvement of technical solutions of the utility model is: dust shield comprises the opening in the hole of tapping a blast furnace of corresponding main frequency furnace, and opening edge is along being provided with some for the excessive annular air air curtain pipe of shutoff flue dust; Dust shield also comprises the suction port of the connection cleaning shaft being arranged on opening both sides, and suction port is surrounded by dust shield swash plate and is arranged on the top of dust shield swash plate, and the bottom of dust shield swash plate is connected with dust shield side plate.
The further improvement of technical solutions of the utility model is: the opening of dust shield also arranges suspension ring.
The further improvement of technical solutions of the utility model is: dust shield swash plate and dust shield side plate interior sides are provided with the anti-flaming thermal-insulation layer preventing high-temperature baking to be out of shape, be positioned on the anti-flaming thermal-insulation layer on dust shield side plate and be also provided with flow guiding inclined plate, flow guiding inclined plate towards contrary with airintake direction.
The further improvement of technical solutions of the utility model is: the corresponding hole place of tapping a blast furnace of dust shield side plate is provided with the operation mouth passed through for Operation Van.
The further improvement of technical solutions of the utility model is: cleaning shaft comprises mobile airduct and the fixing airduct being communicated with mobile airduct, and mobile airduct is communicated with the suction port of dust shield; Fixing airduct comprises the ground fixing airduct and lower fixing airduct communicatively in underground and fixes airduct, and underground is fixed under airduct is arranged on the forward ground in hole of tapping a blast furnace of main frequency furnace, and fixing airduct is communicated with mobile airduct on the ground.
The further improvement of technical solutions of the utility model is: mouthful joint that touches at mobile airduct two ends is provided with independently shutoff blind flange separately.
The further improvement of technical solutions of the utility model is: the tube wall that airduct is fixed in underground is provided with artificial cleaning door.
Owing to have employed technique scheme, the technological progress that the utility model obtains is: can trap main frequency furnace in desulfurization of coming out of the stove, the volume of smoke produced in silicon operation process falls, avoid because flue dust flies away in a large number and cause environmental pollution, solve flue dust to the impact of environment, realize cleaner production, meet environmental requirement.
The utility model arrange walking mechanism, can make dust shield along main frequency furnace tap a blast furnace hole both sides move horizontally, conveniently moving, apart from adjustable, neither affect main frequency furnace and to be correlated with the application of corollary equipment, can also regulate and the distance of cheating of tapping a blast furnace, dust arrestment rate is high, and dust removing effects is improved.
Walking mechanism of the present utility model, comprises track, drive motors, driving wheel and driven pulley, and structure is simple, is convenient to design; Electric control operation, by remote controller operated from a distance drive motors, onsite application is more convenient, improves the operating environment of staff simultaneously.
The opening that the utility model is arranged, is convenient to overhead traveling crane bull ladle and comes out of the stove, and opening edge, along the excessive compressed air air curtain pipe of shutoff flue dust arranged, to prevent when coming out of the stove flue dust to fly away from opening part is excessive in a large number, solves the difficulties of coming out of the stove in smoke catching process.Opening both sides arrange suction port, the flow guiding inclined plate that suction port bottom is arranged, and can improve the flow regime at suction port place, avoid medium to remain in a standstill, and improve dust collection efficiency, eliminate the possibility of deposition and knot fouling simultaneously, and serve guide functions to flue dust of coming out of the stove.
The utility model is provided with at the corresponding hole place of tapping a blast furnace of dust shield side plate the operation mouth passed through for Operation Van, avoid the mutual interference problem to Operation Van, use the utility model on stokehold reinforced, melting normally, skim, come out of the stove, the operation such as maintenance can not produce any impact; Hang the pedestrian of thing to not affect personnel and overhead traveling crane in workshop, the east-west pipeline in stokehold is placed in below ground, is provided with pipe alley, tubing Cover for manhole; Be provided with artificial cleaning door above pipeline in pipe alley, be convenient to human at periodic intervals and check dust out.
Accompanying drawing explanation
Fig. 1 is the utility model front view;
Fig. 2 is the utility model side view;
Fig. 3 is the utility model top view;
Fig. 4 is the utility model controlling organization circuit structure diagram;
Wherein, 1, track, 2, driven pulley, 3, dust shield side plate, 4, driving wheel, 5, mobile airduct, 7, shutoff blind flange, 8, electric butterfly valve, 9, pipeline trench lid, 10, annular air air curtain pipe, 11, lower beam, 12, vertical beam, 13, crossbeam, 14, reinforcement, 15, main frequency furnace, 16, to tap a blast furnace hole, 17, dust shield swash plate, 18, roof beam, 19, opening, 20, suction port, 22, operation mouth, 26, suspension ring, 32, single-chip microcomputer, 33, power drive module, 34, drive motors, 35, remote controller, 61, airduct is fixed in underground, 62, fixing airduct on the ground.
Detailed description of the invention
Below in conjunction with embodiment, the utility model is described in further details:
As shown in Figure 1 to 4, a kind of main frequency furnace stokehold mobile type dust collector, comprise the top, hole of tapping a blast furnace being arranged on main frequency furnace for the cleaning shaft trapping the dust shield of flue dust, dust shield is communicated with, also be provided with the walking mechanism for moving horizontally dust shield, and for control walking mechanism controlling organization, for reinforcing and supporting the supporting mechanism of dust shield.
Dust shield comprises the opening 19 of the 1500*1500mm in the hole 16 of tapping a blast furnace of corresponding main frequency furnace 15, opening 19 edge is provided with three for the excessive annular air air curtain pipe 10 of shutoff flue dust, when preventing molten steel to come out of the stove, flue dust flies away from opening 19 place is excessive in a large number, solves molten steel and to come out of the stove the difficulties of smoke catching in process; Dust shield also comprises the suction port 20 of the connection cleaning shaft being arranged on opening 19 both sides, suction port 20 diameter is 1m, suction port 20 is surrounded by dust shield swash plate 17 and is arranged on the top of dust shield swash plate 17, the bottom of dust shield swash plate 17 is connected with dust shield side plate 3, the steel plate that dust shield swash plate 17 and dust shield side plate 3 are 8mm, 6mm by thickness is respectively made, armor plate strength and rigidity meet instructions for use, and overall structure is firm.
The anti-flaming thermal-insulation layer that thickness is respectively 100mm, 50mm is provided with inside dust shield swash plate 17 and dust shield side plate 3, anti-flaming thermal-insulation layer is made up of flame resistant heat insulation material, as spun-glass insulation is cotton, effectively prevent molten iron high temperature when coming out of the stove and the direct baking of fume trap cover steel plate is out of shape.
Be positioned on the anti-flaming thermal-insulation layer on dust shield side plate 3 and be also provided with flow guiding inclined plate, flow guiding inclined plate towards contrary with airintake direction.Dust shield side plate 3 correspondence hole 16 place of tapping a blast furnace is provided with the operation mouth 22 passed through for Operation Van, on stokehold reinforced, melting normally, skim, come out of the stove, the operation such as maintenance can not produce any impact.
Cleaning shaft comprises mobile airduct 5 and the fixing airduct being communicated with mobile airduct 5, and mobile airduct 5 is communicated with the suction port 20 of dust shield, and is provided with soft contact of adhesive tape at mobile airduct 5 with the docking port place of suction port 20 and seals.Mobile airduct 5 and fixing airduct are made by the steel plate that thickness is 6mm.
Fixing airduct comprises underground to be fixed airduct 61 and descends the ground of fixing airduct 61 to fix airduct 62 communicatively, the pedestrian of thing is hung in order to not affect personnel and overhead traveling crane in workshop, the east-west fixing airduct of main frequency furnace stokehold is that airduct 61 is fixed in underground, underground is fixed airduct 61 and is placed in the pipe alley of below ground, the pipeline trench lid 9 that the steel plate that to lay by thickness above pipe alley be 10mm is made.The tube wall that airduct 61 is fixed in underground is provided with artificial cleaning door, is convenient to human at periodic intervals and checks dust out; On the ground fixing airduct 62 to be communicated with mobile airduct 5 and original cleaning shaft inhaling dust removal installation that pushes up is communicated with respectively along workshop wall trends of design, strong and reliable pipeline support frame is provided with on the ground bottom fixing airduct 62, prevent fixing airduct 62 on the ground from tilting or being out of shape, fixing airduct 62 is also provided with electric butterfly valve 8 on the ground, flange form electric butterfly valve 8 controls its switch by power supply signal, can be used as the stop valve of cleaning shaft, control valve and check-valves; Touch mouthful joint at the mobile airduct 5 of dust shield swash plate 17 both upper ends thereof to be provided with separately independently for the shutoff blind flange 7 of blocking pipe mouth.
Dust shield swash plate 17, dust shield side plate 3 and cleaning shaft have all selected good welding rod welding, weld seam specification, firmly, weld highly to be not less than thickness of slab, meet welding quality standard.And all done preservative treatment, outward appearance selects grey heat resistant finish, and overall appearance is clean and tidy.
Supporting mechanism comprises lower beam 11, vertical beam 12, crossbeam 13, reinforcement 14 and roof beam 18, lower beam 11 is fixedly connected on the bottom of dust shield side plate 3, vertical beam 12 and crossbeam 13 are vertically fixedly connected on dust shield side plate 3 with horizontal respectively, reinforcement 14 is fixedly connected between vertical beam 12 and crossbeam 13, roof beam 18 is between dust shield side plate 3 and dust shield swash plate 17 and be fixedly connected with dust shield swash plate 17 with dust shield side plate 3 respectively, the roof beam 18 in opening 19 centre position arranges suspension ring 26, is convenient to the lifting work carrying out this device.
The driving wheel 4 that walking mechanism comprises track 1, drive by drive motors 34 and being rolled the driven pulley 2 coordinated by conveyer belt and driving wheel 4, the bottom of dust shield swash plate 17 is arranged on driving wheel 4 and driven pulley 2 by lower beam 11, the bottom of lower beam 11 is provided with the track 1 coordinated with driving wheel 4 and driven pulley 2, driving wheel 2 is connected with drive motors 34, driving wheel 4 and driven pulley 2 are walked along track 1, and overall operation is steady, reliable and stable.
Controlling organization comprise remote controller 35, with 51 single-chip microcomputers 32 of remote controller 35 wireless connections, the L298N power drive module 33 that is connected with 51 single-chip microcomputers 32, L298N power drive module 33 also connects drive motors 34, and drive motors 34 connects the driving wheel 4 of walking mechanism.Remote controller 35 sends instruction, now 51 single-chip microcomputer output pwm signal control L298N power drive modules, drive drive motors 34 thus and drive rotation, driving wheel 4 drives driven pulley 2 to rotate, realize the locomotive functions such as the forward-reverse of dust shield, the installation of controlling organization is easy to operation, maintenance, repair, remote control, staff is without the need to closely near main frequency furnace, and operating environment is further improved.In order to better adapt to the environment for use of main frequency furnace stokehold, reach good dust removing effects, the utility model have employed shaped steel and steel plate blanking at the scene, making, is arranged in the top, hole of tapping a blast furnace of main frequency furnace stokehold.
The utility model be applicable to 20t main frequency furnace come out of the stove operation time smoke catching, it is overall process trapping in smoke catching position of coming out of the stove, if multiple main frequency furnace 15 asynchronously carries out coming out of the stove, operation periodically can be used alternatingly a mobile type dust collector, shares a cleaning shaft.After carrying out rope process by suspension ring 26, this device steadily can be placed on each self-corresponding walking track 1 of multiple main frequency furnace 15, suspension ring 26 lift by crane balance, make lifting work convenient, fast; Portable fume trap cover both upper ends thereof mobile airduct 5 touch a mouthful joint, be provided with independently shutoff blind flange 7 separately, move the pipeline opening of airduct 5 for shutoff, be convenient to multiple main frequency furnace 15 and be used alternatingly the corresponding cleaning shaft of shutoff.
The volume of smoke produced in process of coming out of the stove, after the trapping of this device, introduces original CD-1401 type Long Bag Low Pressure Pulse Filter by cleaning shaft, sends into aiutage enter air after purification by air-introduced machine.The process air quantity 91000m3/h of CD-1401 type Long Bag Low Pressure Pulse Filter, dust remover resistance≤1200Pa, fan delivery 91000m3/h, blower press 4500Pa, filter area 1401m2, the average capture rate of flue dust reaches more than 80%, solves 20t main frequency furnace coming out of the stove in operation process and produces the problem that volume of smoke cannot collect process in time, avoid the air environmental pollution caused because flue dust discharges factory building outside in a large number, can meet the dedusting needs of 20t main frequency furnace completely.
Claims (9)
1. a main frequency furnace stokehold mobile type dust collector, comprise hole (16) top of tapping a blast furnace being arranged on main frequency furnace (15) for the dust shield trapping flue dust, the cleaning shaft that is communicated with dust shield, it is characterized in that: be also provided with the walking mechanism for moving horizontally dust shield;
The driving wheel (4) that walking mechanism comprises track (1), drive by drive motors (34) and being rolled the driven pulley (2) coordinated by conveyer belt and driving wheel (4), the bottom of dust shield is arranged on driving wheel (4) and driven pulley (2), be provided with the track (1) coordinated with driving wheel (4) and driven pulley (2) below dust shield, driving wheel (2) is connected with drive motors (34).
2. main frequency furnace stokehold according to claim 1 mobile type dust collector, it is characterized in that: be also provided with the controlling organization for controlling walking mechanism, described controlling organization comprises remote controller (35), the single-chip microcomputer (32) be connected with remote controller (35), the power drive module (33) that is connected with single-chip microcomputer (32), and power drive module (33) connects drive motors (34).
3. the main frequency furnace stokehold mobile type dust collector according to any one of claim 1 ~ 2, it is characterized in that: dust shield comprises the opening (19) of hole (16) of tapping a blast furnace of corresponding main frequency furnace (15), opening (19) edge is provided with some for the excessive annular air air curtain pipe (10) of shutoff flue dust; Dust shield also comprises the suction port (20) of the connection cleaning shaft being arranged on opening (19) both sides, suction port (20) is surrounded by dust shield swash plate (17) and is arranged on the top of dust shield swash plate (17), and the bottom of dust shield swash plate (17) is connected with dust shield side plate (3).
4. main frequency furnace stokehold according to claim 3 mobile type dust collector, is characterized in that: the opening (19) of dust shield also arranges suspension ring (26).
5. main frequency furnace stokehold according to claim 4 mobile type dust collector, it is characterized in that: dust shield swash plate (17) and dust shield side plate (3) inner side are provided with the anti-flaming thermal-insulation layer preventing high-temperature baking to be out of shape, be positioned on the anti-flaming thermal-insulation layer on dust shield side plate (3) and be also provided with flow guiding inclined plate, flow guiding inclined plate towards contrary with airintake direction.
6. main frequency furnace stokehold according to claim 5 mobile type dust collector, is characterized in that: dust shield side plate (3) correspondence hole (16) place of tapping a blast furnace is provided with the operation mouth (22) passed through for Operation Van.
7. the main frequency furnace stokehold mobile type dust collector according to any one of claim 1 ~ 2, is characterized in that: cleaning shaft comprises mobile airduct and the fixing airduct being communicated with mobile airduct (5), and mobile airduct (5) is communicated with the suction port (20) of dust shield; Fixing airduct comprises underground to be fixed airduct (61) and descends the ground of fixing airduct (61) to fix airduct (62) communicatively, underground is fixed under airduct (61) is arranged on the forward ground of hole (16) of tapping a blast furnace of main frequency furnace (15), and fixing airduct (62) is communicated with mobile airduct (5) on the ground.
8. main frequency furnace stokehold according to claim 7 mobile type dust collector, is characterized in that: mouthful joint that touches at mobile airduct (5) two ends is provided with independently shutoff blind flange (7) separately.
9. main frequency furnace stokehold according to claim 8 mobile type dust collector, is characterized in that: the tube wall that airduct (61) are fixed in underground is provided with artificial cleaning door.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520542175.5U CN204923917U (en) | 2015-07-24 | 2015-07-24 | Portable dust collector in line frequency furnace stokehold |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520542175.5U CN204923917U (en) | 2015-07-24 | 2015-07-24 | Portable dust collector in line frequency furnace stokehold |
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| Publication Number | Publication Date |
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| CN204923917U true CN204923917U (en) | 2015-12-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520542175.5U Active CN204923917U (en) | 2015-07-24 | 2015-07-24 | Portable dust collector in line frequency furnace stokehold |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106956057A (en) * | 2017-04-19 | 2017-07-18 | 中冶华天南京工程技术有限公司 | Stainless steel casting blank cuts high-efficiency dust removal system and method |
-
2015
- 2015-07-24 CN CN201520542175.5U patent/CN204923917U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106956057A (en) * | 2017-04-19 | 2017-07-18 | 中冶华天南京工程技术有限公司 | Stainless steel casting blank cuts high-efficiency dust removal system and method |
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