CN105797837A - Interlocking device applied to raw coal slag discharging of coal mill - Google Patents
Interlocking device applied to raw coal slag discharging of coal mill Download PDFInfo
- Publication number
- CN105797837A CN105797837A CN201610347131.6A CN201610347131A CN105797837A CN 105797837 A CN105797837 A CN 105797837A CN 201610347131 A CN201610347131 A CN 201610347131A CN 105797837 A CN105797837 A CN 105797837A
- Authority
- CN
- China
- Prior art keywords
- cinder
- wire rope
- coal
- pulley block
- screw rod
- 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.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
- B02C23/04—Safety devices
Abstract
The invention discloses an interlocking device applied to raw coal slag discharging of a coal mill. The interlocking device comprises a coal slag channel and a coal slag box which are arranged on the inner side of a shell of the coal mill. A coal slag passageway opening communicating with the coal slag box is formed in the coal slag channel. A coal slag channel flashboard is arranged at the coal slag passageway opening. A slag discharging device body is arranged on the outer side of the shell of the coal mill. The slag discharging device body comprises a supporting frame fixed to the shell of the coal mill. A screw rod is arranged in the supporting frame. One end of the screw rod is connected with the coal slag channel flashboard. The other end of the screw rod is matched with a hand wheel drive mechanism in a threaded manner. A first wire rope pulley block is arranged below the supporting frame. A second wire rope pulley block is arranged below the screw rod. A coal slag sealing door is arranged at a coal slag box outlet. A third wire rope pulley block is arranged on the upper portion of the coal slag sealing door. The two ends of a wire rope are wound around the second wire rope pulley block and the third wire rope pulley block. The middle of the wire rope is wound around the first wire rope pulley block. According to the interlocking device, interlocking of a coal slag inlet and the coal slag box outlet is achieved, the situation that air enters the coal mill, and spontaneous combustion of pulverized coal is caused is avoided, and operating safety of the coal mill is improved.
Description
Technical field
The present invention relates to a kind of interlock being applied to coal pulverizer raw coal deslagging.
Background technology
Coal pulverizer raw coal slag-draining device mainly has two kinds of frame modes: a kind of slag-draining device is not set cinder passage flashboard, only setting cinder case and cinder hermatic door etc., cinder hermatic door controls opening and closing of cinder hermatic door by entering the cinder thrust of cinder case, the weight of hermatic door and the pressure reduction of cinder case inner air and outer air；Though another kind of slag-draining device is provided with cinder passage flashboard and cinder hermatic door, but cinder entrance does not have interlocking with the outlet of cinder case.
Therefore, the raw coal slag-draining device of above two frame mode is in tapping process, owing to the air outside coal pulverizer enters inside coal pulverizer easily by dreg discharging box when raw coal deslagging, causes the internal too high oxygen level of coal pulverizer, it is easy to cause spontaneous combustion of pulverized coal event.
Summary of the invention
Goal of the invention: the present invention mainly aims at solution this technical problem above-mentioned, there is provided a kind of interlock being applied to coal pulverizer raw coal deslagging, it is to avoid in raw coal tapping process, cause that too high oxygen level causes coal dust generation spontaneous combustion situation because air enters inside coal pulverizer.
To achieve these goals, present invention employs following technical scheme: a kind of interlock being applied to coal pulverizer raw coal deslagging, including the cinder passage and the cinder case that are arranged on coal pulverizer case inside, cinder channel upper is provided with cinder entrance, cinder beneath galleries offers the cinder connected with cinder upper box part and crosses road junction, cinder is crossed road junction and is provided with cinder passage flashboard, and cinder lower box part is provided with the outlet of cinder case, and coal pulverizer hull outside is provided with slag-draining device main body；
Described slag-draining device main body includes handwheel driving mechanism, screw rod, bracing frame, wire rope pulley block one, wire rope pulley block two, steel wire rope, wire rope pulley block three and cinder hermatic door, bracing frame is fixed on coal pulverizer housing, screw rod it is provided with inside bracing frame, screw rod one end is connected with cinder passage flashboard, the screw rod other end and handwheel driving mechanism threaded engagement, can drive screw rod to move axially in reciprocal fashion by handwheel driving mechanism；
Bracing frame is connected with wire rope pulley block one, screw rod is connected with wire rope pulley block two, spacing long shape hole bottom wire rope pulley block two traverse bracing frame, the outlet of cinder case arranges cinder hermatic door, cinder hermatic door top is provided with wire rope pulley block three, steel wire rope one ends wound is on wire rope pulley block two, and the steel wire rope other end is wrapped on wire rope pulley block three, walks around wire rope pulley block one in the middle part of steel wire rope.
Further; described handwheel driving mechanism includes screw rod protective sleeve, handwheel, nut snap ring, handwheel snap ring and nut ring; nut ring coordinates with screw flight; nut ring is provided with handwheel and nut snap ring; handwheel is connected by flat key with nut ring; handwheel end is provided with handwheel snap ring, and screw rod protective sleeve is connected with handwheel, and nut snap ring is connected with bracing frame.
Further, described nut snap ring and nut ring radially offer oil nozzle mouth.
Further, between the outlet of described cinder case and cinder hermatic door, back-moving spring is set.
Further, described cinder hermatic door two ends are arranged in the draw-in groove of cinder case outlet inner side, are provided with a circle asbestos packing inside cinder hermatic door with the contact surface of draw-in groove, and outside cinder hermatic door, the contact surface with draw-in groove is provided with roller.
Beneficial effect: the present invention can make cinder entrance chain each other with the outlet of cinder case, raw coal tapping process can be avoided cause that too high oxygen level causes coal dust generation spontaneous combustion situation because air enters inside coal pulverizer, improve the safety that coal pulverizer runs, the coal pulverizer operator work efficiency to raw coal deslagging can be effectively improved simultaneously.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention；
Fig. 2 is the structural representation of slag-draining device main body；
Fig. 3 is the structural representation of handwheel driving mechanism；
Fig. 4 is the scheme of installation of back-moving spring；
Fig. 5 is the assembling schematic diagram of the outlet of cinder case and cinder hermatic door.
In figure: 1-slag-draining device main body, 2-cinder passage flashboard, 3-coal pulverizer housing, 4-cinder crosses road junction, 5-cinder passage, 6-cinder entrance, 7-cinder case, 8-cinder case exports, 9-screw rod protective sleeve, 10-screw rod, 11-hands is taken turns, 12-flat key, 13-oil nozzle mouth, 14-nut snap ring, 15-bracing frame, 16-bolt fixing component, 17-fixes bolt one, 18-handwheel snap ring, 19-nut ring, 20-fixes bolt two, 21-wire rope pulley block one, 22-wire rope pulley block two, 23-steel wire rope, the spacing long shape hole of 24-, 25-wire rope pulley block three, 26-back-moving spring, 27-cinder hermatic door, 28-roller, 29-asbestos packing.
Detailed description of the invention:
Below in conjunction with accompanying drawing the present invention done and further explain.
As it is shown in figure 1, a kind of interlock being applied to coal pulverizer raw coal deslagging of the present invention, including the cinder passage 5 being arranged on inside coal pulverizer housing 3 and cinder case 7.Cinder passage 5 top is provided with cinder entrance 6, cinder passage 5 bottom offers the cinder connected with cinder case 7 top and crosses road junction 4, cinder is crossed road junction 4 and is provided with cinder passage flashboard 2, and cinder case 7 bottom is provided with cinder case outlet 8, is provided with slag-draining device main body 1 outside coal pulverizer housing 3.
As shown in Figures 2 and 3, described slag-draining device main body 1 includes handwheel driving mechanism, screw rod 10, bracing frame 15, wire rope pulley block 1, wire rope pulley block 2 22, steel wire rope 23, wire rope pulley block 3 25 and cinder hermatic door 27.Bracing frame 15 is made up of two sections, left and right cylinder, is bolted assembly 16 and connects between two sections of cylinders.Bracing frame 15 is fixed on coal pulverizer housing 3, and bracing frame 15 is internal is provided with screw rod 10.Screw rod 10 one end is connected with cinder passage flashboard 2, screw rod 10 other end and handwheel driving mechanism threaded engagement, screw rod 10 can be driven to move axially in reciprocal fashion by handwheel driving mechanism.
Described handwheel driving mechanism includes screw rod protective sleeve 9, handwheel 11, nut snap ring 14, handwheel snap ring 18 and nut ring 19.Nut ring 19 and screw rod 10 threaded engagement; nut ring 19 is provided with handwheel 11 and nut snap ring 14; handwheel 11 is connected by flat key 12 with nut ring 19; handwheel 11 end is provided with handwheel snap ring 18; handwheel 11 is by handwheel snap ring 18 by its axial restraint, and screw rod protective sleeve 9 is connected with handwheel 11 by fixing bolt 1, and nut snap ring 14 is connected with bracing frame 15 by fixing bolt 2 20; nut ring 19 can rotate by opposing nut snap ring 14, and is axially positioned by nut snap ring 14.Rotation hand wheel 11, under the combineds effect such as flat key 12, nut snap ring 14 and bracing frame 15, nut ring 19 will rotate with handwheel 11, and drives screw rod 10 to move left and right by screw thread pair.
Described nut snap ring 14 and nut ring 19 radially offer oil nozzle mouth 13, by injecting lubricating oil to oil nozzle mouth 13, friction and abrasion that nut ring 19 produces because contacting with screw rod 10 can be reduced.
Bracing frame 15 is connected with wire rope pulley block 1, screw rod 10 is connected with wire rope pulley block 2 22, spacing long shape hole 24 bottom wire rope pulley block 2 22 traverse bracing frame 15, cinder case outlet 8 arranges cinder hermatic door 27, cinder hermatic door 27 top is provided with wire rope pulley block 3 25, steel wire rope 23 one ends wound is at wire rope pulley block 2 22, and steel wire rope 23 other end is wrapped in wire rope pulley block 3 25, walks around wire rope pulley block 1 in the middle part of steel wire rope 23.Screw rod 10, in motor process, drives cinder hermatic door 27 to move up and down by steel wire rope 23, spacing long shape hole 24 by restricting the motion of the wire rope pulley block 22 being weldingly fixed on below screw rod 10 to limit the move distance of screw rod 10.
Coal pulverizer is when running work, and the cinder in raw coal enters from cinder entrance 6, passes sequentially through cinder passage 5 and after cinder crosses road junction 4, eventually enters into cinder case 7.
During coal pulverizer raw coal deslagging, cinder passage flashboard 2 is moved right to its position B gradually by its position A, and meanwhile, cinder hermatic door 27, under the pulling force effect of steel wire rope 23, is also moved up to its position D by its position C gradually；In this process, 8 not connected for ensureing that cinder entrance 6 and cinder case export, when cinder passage flashboard 2 just crosses road junction 4 by cinder, cinder hermatic door 27 starts progressively to open, and now, the cinder in cinder case 7 just starts outwards to discharge gradually.
When coal pulverizer raw coal deslagging is complete, cinder passage flashboard 2 is moved to the left to its position A gradually by its position B, and meanwhile, cinder hermatic door 27, under the combined effect such as tightening force of its gravity and back-moving spring 26, is also moved down to its position C by its position D gradually.
As shown in Figure 4, arranging back-moving spring 26 between described cinder case outlet 8 and cinder hermatic door 27, slag hermatic door 27 is when completely closing, and back-moving spring 26 is in natural length state.
As shown in Figure 5, described cinder hermatic door 27 two ends are arranged in the draw-in groove inside cinder case outlet 8, it is provided with a circle asbestos packing 29 with the contact surface of draw-in groove inside cinder hermatic door 27, make to seal between cinder hermatic door 27 and draw-in groove tight, it is provided with roller 28 with the contact surface of draw-in groove, for reducing frictional resistance when cinder hermatic door 27 moves up and down outside cinder hermatic door 27.
The above is only the preferred embodiment of the present invention; it should be pointed out that, for those skilled in the art, under the premise without departing from the principles of the invention; can also making some improvements and modifications, these improvements and modifications also should be regarded as protection scope of the present invention.
Claims (5)
1. the interlock being applied to coal pulverizer raw coal deslagging, including the cinder passage (5) and the cinder case (7) that are arranged on coal pulverizer housing (3) inner side, cinder passage (5) top is provided with cinder entrance (6), cinder passage (5) bottom offers the cinder connected with cinder case (7) top and crosses road junction (4), cinder is crossed road junction (4) and is provided with cinder passage flashboard (2), cinder case (7) bottom is provided with cinder case outlet (8), and coal pulverizer housing (3) outside is provided with slag-draining device main body (1)；It is characterized in that:
Described slag-draining device main body (1) includes handwheel driving mechanism, screw rod (10), bracing frame (15), wire rope pulley block one (21), wire rope pulley block two (22), steel wire rope (23), wire rope pulley block three (25) and cinder hermatic door (27), bracing frame (15) is fixed on coal pulverizer housing (3), bracing frame (15) is internal is provided with screw rod (10), screw rod (10) one end is connected with cinder passage flashboard (2), screw rod (10) other end and handwheel driving mechanism threaded engagement, screw rod (10) can be driven to move axially in reciprocal fashion by handwheel driving mechanism；
Bracing frame (15) is connected with wire rope pulley block one (21), screw rod (10) is connected with wire rope pulley block two (22), the spacing long shape hole (24) of wire rope pulley block two (22) traverse bracing frame (15) bottom, cinder case outlet (8) arranges cinder hermatic door (27), cinder hermatic door (27) top is provided with wire rope pulley block three (25), steel wire rope (23) one ends wound is on wire rope pulley block two (22), steel wire rope (23) other end is wrapped on wire rope pulley block three (25), wire rope pulley block one (21) is walked around at steel wire rope (23) middle part.
2. a kind of interlock being applied to coal pulverizer raw coal deslagging according to claim 1, it is characterized in that: described handwheel driving mechanism includes screw rod protective sleeve (9), handwheel (11), nut snap ring (14), handwheel snap ring (18) and nut ring (19), nut ring (19) and screw rod (10) threaded engagement, nut ring (19) is provided with handwheel (11) and nut snap ring (14), handwheel (11) is connected by flat key (12) with nut ring (19), handwheel (11) end is provided with handwheel snap ring (18), screw rod protective sleeve (9) is connected with handwheel (11), nut snap ring (14) is connected with bracing frame (15).
3. a kind of interlock being applied to coal pulverizer raw coal deslagging according to claim 2, it is characterised in that: described nut snap ring (14) and nut ring (19) radially offer oil nozzle mouth (13).
4. a kind of interlock being applied to coal pulverizer raw coal deslagging according to claim 1, it is characterised in that: between described cinder case outlet (8) and cinder hermatic door (27), back-moving spring (26) is set.
5. a kind of interlock being applied to coal pulverizer raw coal deslagging according to claim 1, it is characterized in that: described cinder hermatic door (27) two ends are arranged in the draw-in groove of cinder case outlet (8) inner side, the contact surface of cinder hermatic door (27) inner side and draw-in groove is provided with a circle asbestos packing (29), and the contact surface of cinder hermatic door (27) outside and draw-in groove is provided with roller (28).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610347131.6A CN105797837B (en) | 2016-05-24 | 2016-05-24 | A kind of interlock applied to coal pulverizer raw coal deslagging |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610347131.6A CN105797837B (en) | 2016-05-24 | 2016-05-24 | A kind of interlock applied to coal pulverizer raw coal deslagging |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105797837A true CN105797837A (en) | 2016-07-27 |
| CN105797837B CN105797837B (en) | 2018-01-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610347131.6A Active CN105797837B (en) | 2016-05-24 | 2016-05-24 | A kind of interlock applied to coal pulverizer raw coal deslagging |
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| Country | Link |
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| CN (1) | CN105797837B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109335724A (en) * | 2018-10-23 | 2019-02-15 | 马鞍山钢铁股份有限公司 | A kind of coal pulverizer automatic slag discharge device |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000140679A (en) * | 1998-11-13 | 2000-05-23 | Ishikawajima Harima Heavy Ind Co Ltd | Automatic water injecting device of coal bunker for pulverized coal mill |
| CN201500567U (en) * | 2009-08-06 | 2010-06-09 | 北京昊蓬机电设备有限公司 | Closed slag discharging device and slag discharging system having same |
| CN103285988A (en) * | 2013-06-26 | 2013-09-11 | 赵云辉 | Fully-sealed slag discharging system of coal mill |
| CN103301922A (en) * | 2013-06-26 | 2013-09-18 | 赵云辉 | Full-sealed type slag discharging system of coal mill |
| CN103691541A (en) * | 2013-12-23 | 2014-04-02 | 莱歇研磨机械制造(上海)有限公司 | Supporting mechanism of residue discharging box of coal mill |
| CN203678500U (en) * | 2013-12-23 | 2014-07-02 | 莱歇研磨机械制造(上海)有限公司 | Mounting structure of slag discharging tank of coal mill |
| CN104826722A (en) * | 2015-06-01 | 2015-08-12 | 王杨 | Ore smashing device |
| CN205761654U (en) * | 2016-05-24 | 2016-12-07 | 大峘集团有限公司 | A kind of interlock being applied to coal pulverizer raw coal deslagging |
-
2016
- 2016-05-24 CN CN201610347131.6A patent/CN105797837B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000140679A (en) * | 1998-11-13 | 2000-05-23 | Ishikawajima Harima Heavy Ind Co Ltd | Automatic water injecting device of coal bunker for pulverized coal mill |
| CN201500567U (en) * | 2009-08-06 | 2010-06-09 | 北京昊蓬机电设备有限公司 | Closed slag discharging device and slag discharging system having same |
| CN103285988A (en) * | 2013-06-26 | 2013-09-11 | 赵云辉 | Fully-sealed slag discharging system of coal mill |
| CN103301922A (en) * | 2013-06-26 | 2013-09-18 | 赵云辉 | Full-sealed type slag discharging system of coal mill |
| CN103691541A (en) * | 2013-12-23 | 2014-04-02 | 莱歇研磨机械制造(上海)有限公司 | Supporting mechanism of residue discharging box of coal mill |
| CN203678500U (en) * | 2013-12-23 | 2014-07-02 | 莱歇研磨机械制造(上海)有限公司 | Mounting structure of slag discharging tank of coal mill |
| CN104826722A (en) * | 2015-06-01 | 2015-08-12 | 王杨 | Ore smashing device |
| CN205761654U (en) * | 2016-05-24 | 2016-12-07 | 大峘集团有限公司 | A kind of interlock being applied to coal pulverizer raw coal deslagging |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109335724A (en) * | 2018-10-23 | 2019-02-15 | 马鞍山钢铁股份有限公司 | A kind of coal pulverizer automatic slag discharge device |
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| Publication number | Publication date |
|---|---|
| CN105797837B (en) | 2018-01-05 |
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