CN108295954A - Multistage screening with constant bed thickness crusher - Google Patents
Multistage screening with constant bed thickness crusher Download PDFInfo
- Publication number
- CN108295954A CN108295954A CN201810322912.9A CN201810322912A CN108295954A CN 108295954 A CN108295954 A CN 108295954A CN 201810322912 A CN201810322912 A CN 201810322912A CN 108295954 A CN108295954 A CN 108295954A
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- China
- Prior art keywords
- screen
- bed thickness
- screen axis
- tooth plate
- crusher
- Prior art date
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- Pending
Links
- 238000012216 screening Methods 0.000 title claims abstract description 41
- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 20
- 230000008878 coupling Effects 0.000 claims abstract description 18
- 238000010168 coupling process Methods 0.000 claims abstract description 18
- 238000005859 coupling reaction Methods 0.000 claims abstract description 18
- 230000009467 reduction Effects 0.000 claims abstract description 10
- 210000000515 tooth Anatomy 0.000 claims description 25
- 230000005540 biological transmission Effects 0.000 claims description 4
- 239000000463 material Substances 0.000 description 9
- 239000003245 coal Substances 0.000 description 7
- 239000011148 porous material Substances 0.000 description 6
- 238000010276 construction Methods 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 238000010410 dusting Methods 0.000 description 3
- 230000007613 environmental effect Effects 0.000 description 3
- 230000001133 acceleration Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000008719 thickening Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000005662 electromechanics Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 230000001151 other effect Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000007873 sieving Methods 0.000 description 1
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
- B02C4/00—Crushing or disintegrating by roller mills
- B02C4/10—Crushing or disintegrating by roller mills with a roller co-operating with a stationary member
-
- 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
- B02C23/08—Separating or sorting of material, associated with crushing or disintegrating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C4/00—Crushing or disintegrating by roller mills
- B02C4/28—Details
- B02C4/30—Shape or construction of rollers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C4/00—Crushing or disintegrating by roller mills
- B02C4/28—Details
- B02C4/42—Driving mechanisms; Roller speed control
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/12—Apparatus having only parallel elements
- B07B1/14—Roller screens
- B07B1/15—Roller screens using corrugated, grooved or ribbed rollers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/42—Drive mechanisms, regulating or controlling devices, or balancing devices, specially adapted for screens
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/46—Constructional details of screens in general; Cleaning or heating of screens
- B07B1/4609—Constructional details of screens in general; Cleaning or heating of screens constructional details of screening surfaces or meshes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/46—Constructional details of screens in general; Cleaning or heating of screens
- B07B1/50—Cleaning
Landscapes
- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Crushing And Pulverization Processes (AREA)
Abstract
The invention discloses a kind of multistage screening with constant bed thickness crusher, including feed end and discharge end, feed end is segmented for equal thick screen, and screening with constant bed thickness intersegmental part is provided with more screen axis, and more screen axis are arranged in multi-angle, axially disposed on every screen axis to have multiple special-shaped blades；Discharge end is reduction stage, and crushing toothed roller is internally provided in reduction stage, axially disposed on crushing toothed roller to have broken tooth plate, crushing teeth of arranging on broken tooth plate, and for crushing teeth board in tooth plate seat keyway, tooth plate seat passes through with crushing toothed roller thickeies key connecting；Screen box both sides are mounted on bearing block, the both ends of every screen axis are installed in the bearing block of both sides, the bearing block of screen box wherein one end is connected by flat key with motor reducer shaft coupling by motor reducer, motor reducer shaft coupling is connected by high-strength bolt with screen axis shaft coupling, and screen axis shaft coupling is connected by flat key with screen axis.The present invention will be sieved and be combined together with being crushed, compact-sized, arrangement space is small, screening efficiency is high.
Description
One, technical field：
The present invention relates to a kind of screening crushers to belong to mechanical equipment skill more particularly to a kind of multistage screening with constant bed thickness crusher
Art field.
Two, background technology：
Coal resources in China is very abundant, at present the primary raw material or original of domestic coal-burning power plant and steam power plant's coal handling system
Coal, in order to improve coal-fired utilization rate, raw coal needs to carry out screening with crushing operation before entering circulating fluidized bed boiler to reach
Qualified granularity requirements and cleannes requirement, so selecting suitable sieving approach equipment particularly important.
The coal handling system of power plant is standing at present sets two-stage screening, two-stage crushing operation, and raw coal needs first to sieve through scalping, be more than
The material of sieve pore, which need to enter, to be slightly crushed, and the grade that sieve pore is less than after being crushed is carried out into dusting cover jointly with scalping screenings
Screening, dusting cover sieve is lower for qualified grade, and the grade of sieve pore is more than on dusting cover sieve and need to enter thin broken crusher machine to qualified grade.
With the raising of installed capacity, equipment outfit also increases therewith, causes space higher and higher, and civil construction is difficult
Degree increases, and expense increases；To save space, reduction civil construction reduces project cost, the economy of raising system, while
Cater to national green, energy-saving and environmental protection policy, Shen Qing Ren Subcommittee-to have sent out multiaxis screening with constant bed thickness crusher.
Three, invention content：
The technical problem to be solved by the present invention is to：A kind of multistage screening with constant bed thickness crusher is provided, have high benefit, low cost,
Energy-saving and environmental protection and other effects.
The present invention is for the technical solution adopted for solving the technical problem：
A kind of multistage screening with constant bed thickness crusher, including screen box, the screen box include feed end and discharge end, and the feed end is etc.
Thick screening section is provided with more screen axis in screening with constant bed thickness intersegmental part, and more screen axis are arranged in multi-angle, on every screen axis in an axial direction
It is disposed with multiple special-shaped blades；The discharge end is reduction stage, and 1 crushing toothed roller is internally provided in reduction stage, described broken
Axially disposed a certain number of broken tooth plates on discaling roll are placed with by rule rate on the broken tooth plate a certain number of broken
Tooth；Institute is keyed is stuck in tooth plate seat keyway by itself for the broken tooth plate, while joining further through high-strength T-bolt and tooth plate seat
It connects, by thickening key connecting between the tooth plate seat and crushing toothed roller；The screen box both sides are mounted on bearing block, the bearing
It is respectively arranged with bearing in seat, the both ends of every screen axis are installed in the bearing block of both sides；The bearing block of the screen box wherein one end
It is connected with motor reducer shaft coupling by flat key by motor reducer, the motor reducer shaft coupling passes through high intensity spiral shell
Bolt is connected with screen axis shaft coupling, and the screen axis shaft coupling is connected by flat key with screen axis.
Described crushing toothed roller one end is provided with big belt pulley, and the big belt pulley is coupled by flat key with crushing toothed roller；
Motor pulley is installed, the motor pulley is coupled by flat key with motor shaft, the motor belt on motor of crusher
Wheel is coupled by transmission belt with big belt pulley.
The screen axis is more, and the abnormity blade is multiple, and the bearing block is multiple, and the motor reducer is more
It is a.
The bearing block is fixed on by high-strength bolt in screen box side supports；The motor reducer is fixed on screen box
On the deceleration machine support of side；Clearing apparatus is equipped with below the screen axis, the clearing apparatus is multigroup.
The motor of crusher lower part is provided with electric machine support.
The multistage screening with constant bed thickness crusher is full-enclosed structure.
The positive beneficial effect of type of the present invention is as follows：
1, screening crusher of the invention melts screening, is crushed in one, is divided into two parts, and feed end is screening section, inside setting
There are the more screen axis in multi-angle arrangement, axially disposed on every screen axis to have multiple special-shaped blade groups, discharge end is reduction stage,
It is internally provided with 1 crushing toothed roller, axially disposed a certain number of crushing teeths on crushing toothed roller.Be arranged so it is more compact, both
Spatial altitude is reduced, and has saved civil engineering construction, improves economic benefit.
2, screening crusher of the invention uses screening with constant bed thickness principle, entire compass screen surface to be divided into different angle, and feeding end is because of angle
Spend it is larger, material enter after compass screen surface with larger acceleration rapidly advance and fast hierarchical, material and compass screen surface less than sieve pore fill
Tap is touched, due to dead weight and screen axis rotation, smooth sieve thoroughly, and the perturbed force for making full use of roller bearing rotation to generate, increase compass screen surface
Throwing intensity, to substantially increase the screening efficiency of screen(ing) machine；
3, screening crusher all materials of the invention carry out operation in the screen box being fully sealed, and can fully solve outside dust
Excessive problem, response national green, environmental requirement.
4, the present invention uses screening with constant bed thickness principle, and entire compass screen surface is divided into different angle, feeding end because angle is larger, material into
Advanced rapidly with larger acceleration after entering compass screen surface and fast hierarchical, material and compass screen surface less than sieve pore come into full contact with, due to certainly
Weight and screen axis rotation, are smoothly sieved thoroughly, and the perturbed force for making full use of roller bearing rotation to generate, and increase the throwing intensity of compass screen surface, to
Substantially increase the screening efficiency of screen(ing) machine；It moves forward along the screen axis direction of motion under the promotion of special-shaped blade more than the material of sieve pore,
Into crusher, crushing operation is completed.
5, structure of the invention is compact, arrangement space is small, screening efficiency is high, treating capacity is big, it has also become can not in coal handling system
The core equipment of replacement.
Four, it illustrates：
Fig. 1 is the structural diagram of the present invention；
Fig. 2 is the partial sectional view of Fig. 1；
Fig. 3 is the left view schematic diagram of Fig. 1；
Fig. 4 is the sectional view of A-A in Fig. 2.
Five, specific implementation mode：
The present invention is made further explanation and description below in conjunction with the accompanying drawings：
Referring to Fig. 1~Fig. 4, the parts title that each serial number is indicated in figure is：1 is screen box；2 be screen axis, and 3 be special-shaped blade
Group, 4 be bearing block, and 5 be motor reducer, and 6 be motor reducer shaft coupling, and 7 be screen axis shaft coupling, and 8 be crushing toothed roller, and 9 are
Broken tooth plate, 10 be crushing teeth, and 11 be tooth plate seat, and 12 be big belt pulley, and 13 be transmission belt, and 14 be motor pulley, and 15 are broken
Broken electromechanics machine, 16 be clearing apparatus, and 17 be screen box side supports, and 18 be deceleration machine support, and 19 be broken electric machine support；20 are
Feed end, 21 be discharge end.
A kind of multistage screening with constant bed thickness crusher, including screen box 1, screen box 1 include feed end 20 and discharge end 21, feed end 20
It is segmented for equal thick screen, screening with constant bed thickness intersegmental part is provided with more screen axis 2, more screen axis 2 are arranged in multi-angle, every screen axis 2
It is above axially disposed to have multiple special-shaped blades 3；Discharge end 21 is reduction stage, and 1 crushing toothed roller 8 is internally provided in reduction stage,
Axially disposed a certain number of broken tooth plates 9, certain amount is placed on broken tooth plate 9 by rule rate on crushing toothed roller 8
Crushing teeth 10；Institute is keyed is stuck in 11 keyway of tooth plate seat by itself for broken tooth plate 9, while further through high-strength T-bolt and tooth
Panel seat 11 couples, by thickening key connecting between tooth plate seat 11 and crushing toothed roller 8；It is mounted on bearing block 4 in 1 both sides of screen box,
Bearing is respectively arranged in bearing block 4, the both ends of every screen axis 2 are installed in the bearing block 4 of both sides；The wherein one end of screen box 1
Bearing block 4 is connected by flat key with motor reducer shaft coupling 6 by motor reducer 5, and motor reducer shaft coupling 6 passes through height
Strength bolts are connected with screen axis shaft coupling 7, and screen axis shaft coupling 7 is connected by flat key with screen axis.
8 one end of crushing toothed roller is provided with big belt pulley 12, big belt pulley 12 is coupled by flat key with crushing toothed roller 8；
Motor pulley 14 is installed, motor pulley 14 is coupled by flat key with motor shaft, motor pulley on motor of crusher 15
14 are coupled by transmission belt 13 with big belt pulley 12.
Wherein：Screen axis 2 is more, and special-shaped blade 3 is multiple, and bearing block 4 is multiple, and motor reducer 5 is multiple.
Bearing block 4 is fixed on by high-strength bolt in screen box side supports 17；Motor reducer 5 is fixed on screen box side
Deceleration machine support 18 on；Clearing apparatus 16 is provided with below screen axis 2, clearing apparatus 16 is multigroup.
15 lower part of motor of crusher is provided with electric machine support 19.
The multistage screening with constant bed thickness crusher of the present invention is full-enclosed structure.
The present invention is combined together by that will sieve with broken, and using screening with constant bed thickness principle, entire compass screen surface is in broken line type, is entered
Expect that end uses larger angle, advance rapidly simultaneously fast hierarchical after entering to sieve in order to material, increases small particles material and compass screen surface
Contact, due to dead weight and screen axis rotation, to substantially increase the screening efficiency of screen(ing) machine；
Structure of the invention is compact, arrangement space is small, screening efficiency is high, treating capacity is big, and construction investment is small, and cost is greatly saved,
Improve economic benefit.
Claims (6)
1. a kind of multistage screening with constant bed thickness crusher, including screen box（1）, it is characterised in that：The screen box（1）Including feed end（20）
And discharge end（21）, the feed end（20）It is segmented for equal thick screen, screening with constant bed thickness intersegmental part is provided with more screen axis（2）, more
Root screen axis（2）It is arranged in multi-angle, every screen axis（2）It is above axially disposed to have multiple special-shaped blades（3）；The discharge end（21）
For reduction stage, 1 crushing toothed roller is internally provided in reduction stage（8）, the crushing toothed roller（8）Upper axially disposed certain amount
Broken tooth plate（9）, the broken tooth plate（9）On by rule rate be placed with a certain number of crushing teeths (10)；The broken tooth plate
（9）Keyed it is stuck in tooth plate seat by itself institute（11）In keyway, while further through high-strength T-bolt and tooth plate seat（11）Connection, institute
State tooth plate seat（11）With crushing toothed roller（8）Between pass through thicken key connecting；The screen box（1）Both sides are mounted on bearing block（4）,
The bearing block（4）Inside it is respectively arranged with bearing, every screen axis（2）Both ends be installed in the bearing blocks of both sides（4）It is interior；The screen box
（1）The wherein bearing block of one end（4）By motor reducer（5) pass through flat key and motor reducer shaft coupling（6）It is connected, it is described
Motor reducer shaft coupling（6）Pass through high-strength bolt and screen axis shaft coupling（7）It is connected, the screen axis shaft coupling（7）Pass through
Flat key is connected with screen axis.
2. multistage screening with constant bed thickness crusher according to claim 1, it is characterised in that：The crushing toothed roller（8）One end is set
It is equipped with big belt pulley（12）, the big belt pulley（12）Pass through flat key and crushing toothed roller（8）Connection；In motor of crusher（15）On
Motor pulley is installed（14）, the motor pulley（14）Coupled with motor shaft by flat key, the motor pulley
（14）Pass through transmission belt (13) and big belt pulley（12）Connection.
3. multistage screening with constant bed thickness crusher according to claim 1, it is characterised in that：The screen axis（2）It is more, it is described
Special-shaped blade（3）To be multiple, the bearing block（4）To be multiple, the motor reducer（5）It is multiple.
4. multistage screening with constant bed thickness crusher according to claim 1, it is characterised in that：The bearing block（4）By high-strength
Degree bolt is fixed in screen box side supports (17)；The motor reducer（5) it is fixed on the deceleration machine support of screen box side
（18）On；The screen axis（2）Lower section is equipped with clearing apparatus（16）, the clearing apparatus（16）It is multigroup.
5. multistage screening with constant bed thickness crusher according to claim 1, it is characterised in that：The motor of crusher（15）Lower part
It is provided with electric machine support（19）.
6. multistage screening with constant bed thickness crusher according to claim 1, it is characterised in that：The multistage screening with constant bed thickness crusher
For full-enclosed structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810322912.9A CN108295954A (en) | 2018-04-11 | 2018-04-11 | Multistage screening with constant bed thickness crusher |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810322912.9A CN108295954A (en) | 2018-04-11 | 2018-04-11 | Multistage screening with constant bed thickness crusher |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108295954A true CN108295954A (en) | 2018-07-20 |
Family
ID=62847287
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810322912.9A Pending CN108295954A (en) | 2018-04-11 | 2018-04-11 | Multistage screening with constant bed thickness crusher |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108295954A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108636754A (en) * | 2018-07-27 | 2018-10-12 | 四川皇龙智能破碎技术股份有限公司 | A kind of big compass screen surface screening machine |
| CN111940288A (en) * | 2020-07-13 | 2020-11-17 | 中国矿业大学 | Control system and method for realizing adaptive horizontal equal-thickness screening of roller screen |
| CN113649143A (en) * | 2021-07-31 | 2021-11-16 | 北京瑞辉如景科技有限公司 | Concrete board refuse treatment recovery unit |
| CN114558662A (en) * | 2022-03-16 | 2022-05-31 | 秦皇岛市民生电力设备有限公司 | Screening crusher |
| CN114833070A (en) * | 2022-04-01 | 2022-08-02 | 中国矿业大学(北京) | Tower-shaped staggered laminated sieve |
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| CN205517942U (en) * | 2016-03-31 | 2016-08-31 | 黄天回 | Fluted roller formula system sand machine |
| CN206356041U (en) * | 2016-12-28 | 2017-07-28 | 江油晟达机电装备有限责任公司 | A kind of tooth Hubei Province formula screen broken machine |
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Address after: 453700 southeast corner of junction of Yudong Road and Weiqi Road, Jingkai District, Xinxiang City, Henan Province Applicant after: HENAN ZHENYUAN TECHNOLOGY Co.,Ltd. Address before: 453700 southeast corner of the junction of Yudong Road and Weiqi Road in Jingkai District, Xinxiang City, Henan Province Applicant before: HENAN ZHENYUAN TECHNOLOGY CO.,LTD. |
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