CN201211486Y - Steel ball automatic optimization apparatus for ball mill - Google Patents
Steel ball automatic optimization apparatus for ball mill Download PDFInfo
- Publication number
- CN201211486Y CN201211486Y CNU2008200294359U CN200820029435U CN201211486Y CN 201211486 Y CN201211486 Y CN 201211486Y CN U2008200294359 U CNU2008200294359 U CN U2008200294359U CN 200820029435 U CN200820029435 U CN 200820029435U CN 201211486 Y CN201211486 Y CN 201211486Y
- Authority
- CN
- China
- Prior art keywords
- ball
- ball mill
- mill
- pipe
- steel ball
- 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.)
- Expired - Fee Related
Links
Images
Landscapes
- Crushing And Grinding (AREA)
Abstract
The utility model discloses a steel ball automatic optimal selection device for a ball coal mill, which comprises a ball mill, wherein a trench hole lining plate is arranged on an end cover of an outlet of the ball mill; an internal helical tube is arranged inside an external helical tube of the outlet of the ball mill; a ball receiving groove is arranged on the outlet end of the internal helical tube; and the lower side of the ball receiving groove is connected with a ball conveying tube the outlet end of which is connected with a ball receiving machine. The steel ball automatic optimal selection device for the ball coal mill solves the problem that the coal mill can not be operated with full capacity for a long time, optimizes the proportion of the loading capacity of steel balls in the ball coal mill, achieves the aims of reducing the energy consumption and the cost, and can also reduce the occurrence of the fracture phenomenon of lining tiles because the steel balls are clamped into gaps of the lining tiles.
Description
Technical field
The utility model belongs to a kind of servicing unit in the thermal power plant, particularly a kind of ball mill steel ball automatic selection of optimal device.
Background technology
Low speed coal mill (claiming ball mill again) is a kind of low speed coal mill, rotating speed is 16～25 rev/mins, it is to utilize the cylinder of low speed rotation to drive steel ball motion in the tube, by steel ball bump, extruding and the abrasive action of raw coal is realized that the fragmentation of coal cinder and grinding make coal dust.The diameter of standard steel ball is generally 30mm～60mm, low speed coal mill is after operation a period of time, steel ball in the coal pulverizer is owing to wearing and tearing diminish gradually, after steel ball size was less than 25mm, steel ball disappeared substantially to the effect of impact of coal particle, after a large amount of small balls are deposited in the coal pulverizer, the product of exerting oneself to coal pulverizer can be given birth to considerable influence, power plant adopts and regularly stops mill disintegration cleaning steel ball at present, and particularly when steel ball quality was relatively poor, very short time just needed cleaning coal pulverizer steel ball.
Low speed coal mill is the visual plant in the thermal power plant, and own vol and weight are bigger, and power consumption is higher.A 670T/H boiler need be equipped with two on DTM350/600 type ball mill, is driven about 100,000 degree of day power consumption respectively by 4 550KW motors.Therefore can coal pulverizer operate at full capacity, and directly influences the economic benefit of power plant.To pulverizer adequacy statistical comparison before and after power plant's each coal pulverizer cleaning steel ball, pulverizer capacity differs about 10% before and after the cleaning steel ball according to the applicant.Steel ball after diameter is less than given size, can reduce exerting oneself of coal pulverizer through long-time bump, wearing and tearing, and the station-service electric weight increases, and also can influence exerting oneself of boiler, reduces generated energy, causes the wasting of resources.
After present domestic most of thermal power plant coal pulverizer steel ball all adopts and stops mill, open the manhole door artificial screening, problems such as labour intensity is big, operating environment is abominable, staff's resentment is bigger, especially to no screw lining tile coal pulverizer, defective steel ball can only just can carry out artificial screening after coal pulverizer disintegrates, can't finish by additive method, all the time, the technical staff of the long-term puzzlement of steel ball screening control power plant becomes researcher a great problem anxious to be solved.
Summary of the invention
At the problems referred to above that prior art exists, the purpose of this utility model is, a kind of ball coal pulverizer steel ball automatic selection of optimal device is provided, and this device can will come out less than the steel ball automatic screening of given size in the grinding machine normal course of operation.
In order to realize above-mentioned task, the utility model adopts following technical solution:
A kind of ball coal pulverizer steel ball automatic selection of optimal device, comprise ball mill, it is characterized in that, the slotted eye liner plate is installed on the ball mill outlet end cap, in the outer spiral tube of ball mill outlet, be provided with inner helix pipe, at the inner helix pipe port of export ball receiving groove is installed, the ball receiving groove below connects the pipe of losing, and the port of export of the pipe of losing is connected with ball collecting device.
Ball mill steel ball automatic selection of optimal device of the present utility model has solved the difficult problem that the coal pulverizer power that can not overfill is for a long time moved, and makes the proportioning of steel ball loading capacity in the coal pulverizer reach best, also can reduce small ball jam slit lining tile, causes the lining tile fracture phenomena to take place.
Description of drawings
Fig. 1 is a structural representation of the present utility model; Label among the figure is represented respectively: 1, slotted eye liner plate, 2, inner helix pipe, 3, outer spiral tube, 4, ball receiving groove, 5, the pipe of losing, 6, ball collecting device, 7, maintenance and peep hole.
Below in conjunction with drawings and Examples the utility model is further specified.
The specific embodiment
In the embodiment shown in fig. 1, this ball mill steel ball automatic selection of optimal device, comprise ball mill, slotted eye liner plate 1 is installed on the ball mill outlet end cap, in former ball mill outlet outer spiral tube 3, set up inner helix pipe 2, in the inner helix pipe outlet ball receiving groove 4 is installed, ball receiving groove 4 belows connect the pipe 5 of losing, and pipe 5 outlets of losing connect ball collecting device 6.
Slotted eye liner plate 1 is provided with some bar shaped small openings, is provided with out the ball passage between liner plate and end cap.Exit end face between inner helix pipe 2 and the outer spiral tube 3 seals, and has some ball mouths on the periphery of inner helix pipe 2 ports of export, and steel ball is radially dished out from inner helix pipe 2 ball mouths.
Ball receiving groove 4 is the circular shape of 30 ° of angles, is arranging between from the horizontal by 50 °～80 ° on the direction of rotation of ball mill outlet.Pipe 5 one ends of losing put in the ball mill and link to each other with ball receiving groove 4, and an end links to each other with ball collecting device 6 outside ball mill, and the exposed section of pipe near ball mill one end is provided with a maintenance and a peep hole 7 losing.
The utility model operation principle is: when ball mill is worked, bead mainly is deposited in the coal pulverizer port of export, adding along with new coal and new ball, promoting bead constantly piles up to the coal pulverizer outlet side, because a series of slotted eyes are arranged on the liner plate of coal pulverizer outlet end cap, when the steel ball process leaves the slotted eye liner plate of designed openings, steel ball less than given size enters the liner plate inner passage by slotted eye, rotate in the passage of bringing between the internal and external screw pipe through grinding mill barrel, on the periphery of the inner helix pipe port of export, have some ball mouths, steel ball is imported by helix and enters ball receiving groove after ball mouth is radially dished out, pipe enters ball collecting device by losing, make the proportioning of steel ball loading capacity in the coal pulverizer reach best, reach energy efficient, the purpose of reducing expenses.Regularly open ball collecting device and get ball, to prevent obstruction.
Claims (5)
1. ball mill steel ball automatic screening device, comprise ball mill, it is characterized in that, slotted eye liner plate (1) is installed on the ball mill outlet end cap, in the outer spiral tube (3) of ball mill outlet, be provided with inner helix pipe (2), at inner helix pipe (2) port of export ball receiving groove (4) is installed, ball receiving groove (4) below connects the pipe (5) of losing, and the port of export of the pipe (5) of losing is connected with ball collecting device (6).
2. ball mill steel ball automatic screening device as claimed in claim 1 is characterized in that described slotted eye liner plate (1) is provided with a plurality of bar shaped small openings, is provided with out the ball passage between slotted eye liner plate (1) and ball mill outlet end cap.
3. ball mill steel ball automatic screening device as claimed in claim 1, it is characterized in that, exit end face between described inner helix pipe (2) and the outer spiral tube (3) seals, have a plurality of ball mouths on the periphery of inner helix pipe (2) port of export, steel ball is radially dished out from inner helix pipe (2) ball mouth by the passage of outer spiral tube (3).
4. ball mill steel ball automatic screening device as claimed in claim 1 is characterized in that described ball receiving groove (4) is the circular shape of 30 ° of angles, is arranging between from the horizontal by 50 °～80 ° on the direction of rotation of ball mill outlet.
5. ball mill steel ball automatic screening device as claimed in claim 1, it is characterized in that, described pipe (5) one ends of losing put in the ball mill and link to each other with ball receiving groove (4), the other end links to each other with ball collecting device (6) outside ball mill, and the exposed section of pipe (5) near ball mill one end is provided with a maintenance and a peep hole (7) losing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200294359U CN201211486Y (en) | 2008-06-25 | 2008-06-25 | Steel ball automatic optimization apparatus for ball mill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200294359U CN201211486Y (en) | 2008-06-25 | 2008-06-25 | Steel ball automatic optimization apparatus for ball mill |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201211486Y true CN201211486Y (en) | 2009-03-25 |
Family
ID=40495641
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200294359U Expired - Fee Related CN201211486Y (en) | 2008-06-25 | 2008-06-25 | Steel ball automatic optimization apparatus for ball mill |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201211486Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104043510A (en) * | 2014-06-18 | 2014-09-17 | 孙玉平 | Crusher for long-fiber material |
| CN108398149A (en) * | 2018-03-31 | 2018-08-14 | 芜湖市诚信锌合金有限公司 | A kind of steel ball detection device with steady blanking function |
-
2008
- 2008-06-25 CN CNU2008200294359U patent/CN201211486Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104043510A (en) * | 2014-06-18 | 2014-09-17 | 孙玉平 | Crusher for long-fiber material |
| CN108398149A (en) * | 2018-03-31 | 2018-08-14 | 芜湖市诚信锌合金有限公司 | A kind of steel ball detection device with steady blanking function |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104258938B (en) | Tandem continuous ball mill and ball milling method | |
| CN107159403A (en) | A kind of mine reducing mechanism | |
| CN201586545U (en) | Ball milling or rod milling sand maker | |
| CN201211486Y (en) | Steel ball automatic optimization apparatus for ball mill | |
| CN201163250Y (en) | Helical automatic sampler | |
| CN2883266Y (en) | Tapered spiral feeder | |
| CN202343261U (en) | Centrifugal sand making machine | |
| CN204122186U (en) | Tandem continuous ball mill | |
| CN204911670U (en) | Clearance of coal pulverizer steel ball and sieving mechanism | |
| CN203540686U (en) | Atmospheric pressure non-clogging feeding system for vertical ball mill | |
| CN204433664U (en) | A kind of conveyor screw | |
| CN204768927U (en) | Vertical chain rubbing crusher expects device with settleing | |
| CN202263622U (en) | Crushing and screening device | |
| CN205345850U (en) | Novel clear stifled mechanism of flyback formula | |
| CN103537360A (en) | Vertical type ball-milling normal pressure non-blocking feeding system and feeding method thereof | |
| CN105289803B (en) | A kind of anti-windrow ball mill and anti-windrow method | |
| CN104826725B (en) | Distribution method | |
| CN211487921U (en) | Vertical ball-free crushing and grinding machine | |
| CN209271596U (en) | A kind of major diameter high-temperature pipe dirt block crushing device | |
| CN202387507U (en) | Built-in automatic grinding adjusting device for horizontal roller mill | |
| CN204656659U (en) | A kind of high tower fertile mixture for use in production slurry high-speed shearing machine | |
| CN205253246U (en) | Prevent windrow ball mill | |
| CN204911638U (en) | Modular reversible hammer crusher | |
| CN215429362U (en) | Raw material crushing device for preparation of ceramic wear-resistant materials of water slag runner | |
| CN103691534A (en) | Intelligent multi-unit breaking machine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090325 |