CN1030507C - External type blast furnace bell-less top chute transmission device - Google Patents
External type blast furnace bell-less top chute transmission device Download PDFInfo
- Publication number
- CN1030507C CN1030507C CN 93102282 CN93102282A CN1030507C CN 1030507 C CN1030507 C CN 1030507C CN 93102282 CN93102282 CN 93102282 CN 93102282 A CN93102282 A CN 93102282A CN 1030507 C CN1030507 C CN 1030507C
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- chute
- rotor
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- cylinder
- wall
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- Expired - Fee Related
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 32
- 230000007246 mechanism Effects 0.000 claims abstract description 17
- 238000007789 sealing Methods 0.000 claims abstract description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 14
- 238000001816 cooling Methods 0.000 claims description 12
- 238000012423 maintenance Methods 0.000 claims description 8
- 230000008859 change Effects 0.000 claims description 6
- 239000000428 dust Substances 0.000 claims description 6
- 238000012856 packing Methods 0.000 claims description 6
- 238000007664 blowing Methods 0.000 claims description 5
- 125000006850 spacer group Chemical group 0.000 claims description 5
- 230000033001 locomotion Effects 0.000 claims description 4
- 230000001050 lubricating effect Effects 0.000 claims description 4
- 239000003795 chemical substances by application Substances 0.000 claims description 3
- 238000009987 spinning Methods 0.000 claims description 3
- 239000000725 suspension Substances 0.000 claims description 3
- 230000007274 generation of a signal involved in cell-cell signaling Effects 0.000 claims description 2
- 230000005484 gravity Effects 0.000 claims description 2
- 239000004519 grease Substances 0.000 claims description 2
- 230000010076 replication Effects 0.000 claims description 2
- 238000009434 installation Methods 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 239000004744 fabric Substances 0.000 abstract description 2
- 239000000945 filler Substances 0.000 abstract description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 abstract 1
- 239000003546 flue gas Substances 0.000 abstract 1
- 230000007774 longterm Effects 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 8
- 238000010276 construction Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000005461 lubrication Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 239000003566 sealing material Substances 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 238000003723 Smelting Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000003034 coal gas Substances 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 230000002939 deleterious effect Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 210000004907 gland Anatomy 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000009347 mechanical transmission Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
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- Blast Furnaces (AREA)
Abstract
The invention relates to an external blast furnace revolving drum chute transmission device.A chute tilting mechanism 10 arranged on a rotary drum 1 is connected with a chute in a hanging way through a transmission rod 8 in a chute 6 in the drum wall; the tail part of the chute 20 is provided with an anti-falling hook 26 and a lock rod 28; the upper part and the lower part of the cylinder are respectively provided with a rotary seal 16 and a rotary seal 17, and the structure of the rotary seal can purify and cool the flue gas before contacting with the sealing filler, so that the seal can be ensured to be long-term and reliable; in the invention, a chute overhauling and replacing hole is arranged on a device shell 5; the tilting and rotating signals are transmitted by electromagnetic waves, and scales are manually corrected, so that the cloth precision can be improved. The invention has simple structure, easy manufacture and installation and low cost.
Description
The present invention relates to the distributor chute transmission mechanism in a kind of iron-smelting blast furnace non-bell furnace top charging equipment.
By the end of so far, in the distributor chute transmission mechanism in the various no bell roof material distributing equipment that we have known, be most widely used with PW formula chute transmission mechanism.This device utilizes planetary cross-country power mechanism to realize the rotation and the motion of fascinating of distributor chute, and mechanism's complexity is made and the installation requirement height, needs huge thin oil, dry oil lubrication facility, and lubricating requirement is high and strict, and the transmission case swing bearing lubricates and is difficult for guaranteeing; For resisting high temperature, dust-laden gas and furnace pressure, in transmission case, establish specialized structure, adopt water or cryogenic gas coolant seal medium with the protection driving parts, seal furnace pressure, need expensive water and air supply system of a cover and corresponding automatic control system for this reason; Change the hole and make to have and be generally 4 furnace gases to derive the former furnace roof shrouding of pores more crowded for change maintenance that distributor chute opens on the furnace roof shrouding, make furnace shell and furnace top flange unbalance stress, and also need the on-the-spot heat treatment step of furnace top flange.The transmission mechanism that also has some other kinds as the two rotating cylinders of one of them liftable suit of employing as described in the patent DE24047, has three major diameters sealings, and structure is huge, and it is unreliable seal, and the life-span lacks.The problem that people are in use occurred at PW formula device has been done in many ways it and has been improved, wherein remarkable with the design that transmission rig dislocation stove is outer, it has thoroughly solved cooling theoretically, sealing problem, also simplified transmission rig simultaneously greatly, as Kunming Iron ﹠ Steel Works to its 2# blast furnace (BF) expansion overhaul the time, a kind of external placed type transmission mechanism that utilizes old Ma Jishi distributor to be transformed into, chute rotates and tilting mechanism separates, be improved on the structure, but because of its sealing unreasonable, filler is high temperature resistant and lubricity is poor, and the life-span is short, finally fails in practice extensively to promote the use of.
The object of the invention is intended to make improvements according to above-mentioned problems of the prior art, a kind of rational in infrastructure simple to obtain, be easy to make installation, sealing permanent reliable, need not the furnace roof shrouding sneak away slotted eye, can accurate and flexible ground control chute rotation and the chute transmission mechanism that fascinates, burnt with final realization volume increase joint.
For achieving the above object, the present invention adopts the external placed type transmission rig, do spinning movement by rotor and suspension chute thereon that the chute rotating actuator drive that is fixed on the apparatus housing is enclosed within outside the trunnion of center, the chute transmission rig that fascinates is contained on the rotor and together rotates with it, two transmission rigs separate, and utilize the transmission rod place the rotational circle barrel that tilting mechanism and chute are linked up to control it and fascinate.Between the top of rotor and center trunnion and bottom and casing, respectively there is a place to have the rotary seal structure of cooling and cleaning high-temp ash-laden gas.On the casing of transmission mechanism, have the chute maintenance and change the hole.Hang the afterbody of the distributor chute on the hook and be provided with and hang over hook and the locking bar that chute is hung hanging on chute, can prevent the chute accidental.
Figure 1 shows that one-piece construction synoptic diagram of the present invention.
Figure 2 shows that bottom of the present invention rotary seal structure synoptic diagram.
Figure 3 shows that chute tail structure synoptic diagram of the present invention.
Below in conjunction with embodiment and Figure of description the present invention is further described; As shown in Figure 1, the present invention is a kind of external non-bell cap chute arranger for furnace, do spinning movement by rotor 1 and suspension chutes 20 thereon that chute rotating actuator 3 drives that are fixed on the apparatus housing 5 are enclosed within outside the center trunnion 12, the chute transmission rig 10 that fascinates is contained on the cylinder outer wall and together rotates with it, and by brush 21 slideway power takings.Be provided with circumference gear 2 at cylinder 1 outer wall.Not level gear 15 engagements of it and rotating actuator 3, a swing bearing 4 that is enclosed within on cylinder 1 outer wall is positioned at gear 2 times, and cylinder 1 is supported on the casing 5.In the wall of cylinder 1, be provided with an axial slideway 6, the transmission rod 8 of band tooth bar 7 wherein is housed, an axial gap 9 is opened to cylinder 1 outside in appropriate location on slideway 6, the transmitting gear 11 of transmission rig 10 is by gap 9 and tooth bar 7 engagements so that chute fascinates, be provided with wear ring and 0 type circle in slideway 6 bottoms, the transmission rig 10 shown in Fig. 1 is that Screw of Worm Gear screw block throw crank drives transmitting gear 11 rotations.The outside of the inboard of cylinder 1 and center trunnion 12 is equipped with water cooling tube 13, be used to control the temperature of cylinder 1, promptly control the working temperature of sealing material and swing bearing 4, and be used to cool off the furnace gas that flows to top rotary seal 16 by space between cylinder 1 and the center trunnion 12.The waterworks of cylinder 1 inboard water cooling tube comprises that water pump, scatterer and water tank all are contained on the outer wall of cylinder 1 and together rotates with it.
As Fig. 1, shown in 2, be respectively equipped with rotary seal 16 between the top of cylinder 1 and the center trunnion 12 and between bottom and the casing 5,17, bottom rotary seal 17 is followed successively by pressure ring 31-layer dress lock packing 32-spring spacer ring 33-layer dress lock packing 32-oil deflector ring 34 from top to bottom between cylinder 1 outer wall and stuffing box 30, oil deflector ring 34 is supported by casing 5, down for being fixed on the dust blowing ring 35 on the casing 5, again down for being vertically fixed on the annular safe drip pan 36 of big external diameter on cylinder 1 outer wall, in the space between it and the casing above it 5, be filled with high temperature resistant lubricating grease 37 and be fixed on water cooling tube 38 on the casing 5, water cooling tube 38 is used for cooling and lubricating fat 37, reduce its loss and evaporation, also constitute the labyrinth dedusting simultaneously.Dust blowing ring 35 and oil deflector ring 34 can further stop the contained dust of furnace gas to contact with lock packing 32.The spring spacer ring 33 that is provided with between the lock packing 32 of two portions layer dress can improve the pressure distribution of each seal section, improves sealing reliability, prolongs sealing life.On the stuffing box 30 in corresponding spring spacer ring 33 mid-ways, have aperture 39, the sealing agent that certain pressure is arranged with introducing, its pressure is a little less than the furnace roof service pressure, it can prevent that deleterious furnace gas from draining in the atmosphere outward, can certain lubrication be arranged to sealing material again, allow the sealing agent trace to leak in the use.Top rotary seal 16 comprise be located at cylinder 1 top be fixed on FlexbleJoint 19 flanges dust blowing ring 18 and with the bottom stuffing box 30 parts structure of reversed in order up and down.The top stuffing box connects with the FlexbleJoint 19 that is connected center trunnion 12, and the stuffing box 30 of bottom rotary seal 17 is made one with casing 5.
Shown in Fig. 1,3, distributor chute 20 is hung by a chute and is suspended on below the cylinder 1, chute has been hung two hooks 22, its end is hinged with two hanging axises of cylinder 1 bottom respectively, and, link up with 22 openings and hang on the hanging scroll 23 that is arranged at both sides between afterbody and the center of gravity on the chute 20 towards the chute afterbody by 24 connections of a U type connecting rod.Be provided with the fixed link 27 of a tangent line direction in the bottom of U type connecting rod 24, the hook 26 that is arranged with replication on the both direction at the chute afterbody is hung in fixed link 27 both sides, and it is relative with hook 22 opening directions to link up with 26 openings.The two ends of one connecting rod 25 are connect with the bottom of transmission rod 8 and the U type bottom hinge of U type connecting rod 24 respectively, and transmission rig 10 is connected so that chute 20 and chute fascinate.But between chute afterbody and fixed link 27, reach hook 26 outsides and be provided with the locking bar 28 that a secured in parallel bar 27 that is hinged on the chute 20 rotates, be provided with torsional sprig 29 in its rotating shaft place, to fixed link 27 ends outside rotating rod lock 29, hook 26 can break away from fixed link 27.Adopt two pairs of hooks 22,26 of locking bar 28 size relative, distributor chute 20 can be come off in no instance, and can change flexibly with direction.
As shown in Figure 1, have the chute maintenance and change hole 14 on the casing 5 of transmission mechanism, the hole is changed in the special chute maintenance of having cancelled on the furnace roof shrouding, can improve furnace shell and furnace top flange strained condition, has also cancelled the on-the-spot heat treatment step of flange.In the rotating shaft of the transmitting gear 11 that fascinates, transmitter is housed, its turn signal is converted into dip angle signal that chute fascinates and spreads out of, be as the criterion with electrical signal during operation with the hertzian wave form.On gap 9 edges and tooth bar 7 and on rotor 1 and casing 5, be carved with corresponding scale respectively, with this benchmark as the signal generation apparatus of manual synchronizing chute inclination angle and rotor 1 rotation angle, precision is high and stable, and its minimum scale is 1 millimeter, 200～300 millimeters of total lengths.Because mechanical transmission progression is significantly smaller than PW formula transmission mechanism between from the transmitter to the chute, and fascinates and separate with rotating, two mechanisms are independent of each other, so the electrical signal progressive error is little, can avoid the inclination angle drift phenomenon of appearance in some blast furnace production.
Compared with prior art, the present invention is simple in structure, required non-standard driving parts number only is 1/5～1/6 of PW, be easy to make, process, transport, install, external rotary and tilting equipment separate fully, are independent of each other, the rotation of chute can be realized accurately, flexibly, reliably and the action of fascinating, need not set up but sealing system of special-purpose dilute oil lubrication station and water or air cooling, only need two electric dry petrol stations and a cooling water source, therefore can reduce by 30～40m2Furnace roof steel platform area. The hermetically-sealed construction that the present invention adopts can make high temperature, dust-laden coal gas just be cleaned before the contact airtight and watertight padding and cool off, pressure also descends to some extent, can guarantee that sealing is permanent reliable, pressure-bearing temperature resistant capability of the present invention is not less than existing level, has higher cloth precision and stability under peer entity manufacturing and electric assembling level conditions; Use equally and the maintenance condition under, accident rate is low, maintenance cost is low, conventional maintenance all can not fallen under the condition in furnace top pressure and is carried out, and is beneficial to BF. The present invention has also reduced pressurization purified gas consumption, has reduced requirement and expense to civil engineering structure, has shortened the construction period, whole charging apparatus system cost is at half than the PW formula charging apparatus of air cooling sealing gland about.
Claims (2)
1, a kind of external non-bell cap chute arranger for furnace, do spinning movement by rotor and suspension chute thereon that the chute rotating actuator drive that is fixed on the apparatus housing is enclosed within outside the trunnion of center, the chute transmission rig that fascinates is contained on the rotor outer wall and together rotates with it, and by the power taking of brush slideway, it is characterized in that: a. is provided with circumference gear (2) at rotor (1) outer wall, a not level gear (15) engagement of it and rotating actuator (3), a swing bearing (4) that is enclosed within on rotor (1) outer wall is positioned under the gear (2), and rotor (1) is supported on the casing (5); B. in the wall of rotor (1), be provided with an axial slideway (6), the transmission rod (8) of band tooth bar (7) wherein is housed, an axial gap (9) is opened to rotor (1) outside in appropriate location on slideway (6), the transmitting gear (11) of the transmission rig so that chute fascinates (10) is provided with wear ring and 0 shape circle by gap (9) and tooth bar (7) engagement in slideway (6) bottom; C. be equipped with water cooling tube (13) in the inboard of rotor (1) and the outside of center trunnion (12), the waterworks of the inboard water cooling tube of rotor (1) comprises that water pump, scatterer and water tank all are contained on the outer wall of rotor (1) and together rotates with it; D. on the casing (5) of transmission mechanism, have the chute maintenance and change hole (14); E. be respectively equipped with rotary seal (16) between the top of rotor (1) and the center trunnion (12) and between bottom and the casing (5), (17), bottom rotary seal (17) is followed successively by pressure ring (31) from top to bottom between cylinder (1) outer wall and stuffing box (30)--layer dress lock packing (32)-spring spacer ring (33)-layer dress lock packing (32)-impingement ring (34), down for being fixed on the dust blowing ring (35) on the casing (5), down hold reel (36) again for the annular that is vertically fixed on rotor (1) outer wall, between it and the casing above it (5), in the space, be filled with high temperature resistant lubricating grease (37), and the water cooling tube (38) that is fixed on the casing (5) arranged, on the stuffing box (30) in corresponding spring spacer ring (33) mid-way, have aperture (39), the sealing agent that certain pressure is arranged with introducing, top rotary seal (16) be included in dust blowing ring (18) that cylinder (1) top is fixed and with bottom stuffing box (30) the part structure of reversed in order up and down, the top stuffing box connects with the FlexbleJoint that is connected center trunnion (12) (19); F. distributor chute (20) is hung by a chute and is suspended on below the cylinder (1), chute has been hung two hooks (22), its end is hinged with two hanging axises of cylinder (1) bottom respectively, and connect by a U type connecting rod (24), hook (22) opening hangs on the hanging scroll (23) that is arranged at both sides between afterbody and the center of gravity on the chute (20) towards the chute afterbody, be provided with the fixed link (27) of a tangent line direction in the bottom of U type connecting rod (24), the hook (26) that is arranged with two replications that make progress at the chute afterbody is hung in fixed link (27) both sides, hook (26) opening is relative with hook (22) opening direction, the two ends of one connecting rod (25) are connect with the bottom of transmission rod (8) and the U type bottom hinge of U type union lever (24) respectively, between chute afterbody and the fixed link (27) and hook (26) outside be provided with one be hinged on chute (20) but on the locking bar (28) that rotates of secured in parallel bar (27), be provided with torsional sprig (29) in its rotating shaft place, to fixed link (27) end outside rotating rod lock (29), hook (26) can break away from fixed link (27).
2, according to the transmission mechanism described in the claim 1, it is characterized in that wherein saidly in the rotating shaft of the transmitting gear that fascinates (11), transmitter being housed, its turn signal is converted into dip angle signal that chute fascinates and spreads out of with the hertzian wave form, go up and on cylinder (1) and casing (5), be carved with corresponding scale respectively at gap (9) edge and tooth bar (7), with this as the interior benchmark of the signal generation apparatus of manual synchronizing chute inclination angle and rotor (1) rotation angle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 93102282 CN1030507C (en) | 1993-03-08 | 1993-03-08 | External type blast furnace bell-less top chute transmission device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 93102282 CN1030507C (en) | 1993-03-08 | 1993-03-08 | External type blast furnace bell-less top chute transmission device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1075168A CN1075168A (en) | 1993-08-11 |
| CN1030507C true CN1030507C (en) | 1995-12-13 |
Family
ID=4984040
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 93102282 Expired - Fee Related CN1030507C (en) | 1993-03-08 | 1993-03-08 | External type blast furnace bell-less top chute transmission device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1030507C (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19709329C2 (en) * | 1997-03-07 | 2001-03-08 | Sms Demag Ag | Bell-less top seal for shaft furnaces, especially blast furnaces |
| CN101714001B (en) * | 2009-11-30 | 2013-06-26 | 中冶东方工程技术有限公司 | Automatic control device and method of rotary chute pair transmission tilt angle of blast furnace bell-less top |
| CN102818038B (en) * | 2012-08-31 | 2015-02-04 | 中冶东方工程技术有限公司 | High-pressure-resistance vertical furnace charge flow control valve |
| CN103712458B (en) * | 2013-12-31 | 2015-04-22 | 大连华锐重工集团股份有限公司 | Straight insertion far feeding nozzle used for ore-smelting electric furnace |
| CN104528402A (en) * | 2014-11-25 | 2015-04-22 | 北京首钢国际工程技术有限公司 | Rotating sealing distributing machine |
| CN109957629A (en) * | 2019-03-29 | 2019-07-02 | 河钢股份有限公司承德分公司 | A kind of encapsulating method of blast furnace roof water-cooling sliding chute manhole |
-
1993
- 1993-03-08 CN CN 93102282 patent/CN1030507C/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN1075168A (en) | 1993-08-11 |
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| PB01 | Publication | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |