CN106563530A - A detachable material layer stabilizing device for powder returning for a vertical type ash grinding hopper - Google Patents
A detachable material layer stabilizing device for powder returning for a vertical type ash grinding hopper Download PDFInfo
- Publication number
- CN106563530A CN106563530A CN201610682081.7A CN201610682081A CN106563530A CN 106563530 A CN106563530 A CN 106563530A CN 201610682081 A CN201610682081 A CN 201610682081A CN 106563530 A CN106563530 A CN 106563530A
- Authority
- CN
- China
- Prior art keywords
- powder
- grinding
- vertical mill
- ash bucket
- elephant trunk
- 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.)
- Pending
Links
- 239000000463 material Substances 0.000 title claims abstract description 37
- 239000000843 powder Substances 0.000 title claims abstract description 32
- 230000000087 stabilizing effect Effects 0.000 title abstract 2
- 241000406668 Loxodonta cyclotis Species 0.000 claims description 26
- 239000004744 fabric Substances 0.000 claims description 18
- 239000003500 flue dust Substances 0.000 claims description 17
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 12
- 238000007599 discharging Methods 0.000 claims description 3
- 238000003466 welding Methods 0.000 claims description 2
- 239000011148 porous material Substances 0.000 abstract 2
- 239000002956 ash Substances 0.000 description 20
- 239000002893 slag Substances 0.000 description 4
- 239000004568 cement Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000004134 energy conservation Methods 0.000 description 2
- 206010044565 Tremor Diseases 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 239000010882 bottom ash Substances 0.000 description 1
- OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Chemical compound [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 230000036571 hydration Effects 0.000 description 1
- 238000006703 hydration reaction Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 239000012716 precipitator Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 239000002699 waste material Substances 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
- B02C15/00—Disintegrating by milling members in the form of rollers or balls co-operating with rings or discs
-
- 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
- B02C23/02—Feeding devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09B—DISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
- B09B3/00—Destroying solid waste or transforming solid waste into something useful or harmless
Landscapes
- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Environmental & Geological Engineering (AREA)
- Crushing And Grinding (AREA)
- Disintegrating Or Milling (AREA)
Abstract
The invention relates to the field of vertical grinders, and provides a detachable material layer stabilizing device for powder returning for a vertical type ash grinding hopper to overcome a practical problem that the grinding efficiency of a grinding machine is influenced by material layer instability caused by powder returning of vertical type ash grinding hoppers. The device includes an ash collecting hopper disposed at the bottom of a blanking chute pipe of the vertical type ahs grinding hopper. The shape of the upper-end opening of the ash collecting hopper is same as the shape of the bottom of the blanking chute pipe. The size of the upper-end opening of the ash collecting hopper is equal to or greater than the size of the bottom of the blanking chute pipe. The ash collecting hopper is welded to the blanking chute pipe. Two sides of the lower end of the ash collecting hopper are symmetrically provided with pore slots. The pore slots are welded to flow guide chute pipes respectively. Through designing a detachable flow-guiding material distributing device at the bottom of the vertical type ash grinding hopper, returned materials of the ash grinding hopper are chuted to the material mixing center line of a grinding roller, and therefore returned powder is ground timely, a grinding disc material layer is stabilized and the powder grinding efficiency and the yield are increased.
Description
Technical field
The invention belongs to vertical mill field, more particularly to a kind of vertical mill equipment of building waste treatment process is detachable
Vertical mill ash bucket returns the stable bed of material device of powder.
Background technology
Vertical mill is equipped and comes from the Germany of the twenties in 20th century with technology, and its widespread popularity, economy and stability are obtained
The proof of industrial practice is arrived, has been one of first-selected energy-conservation equipment of current grinding field.Vertical mill is all based on bed-grinding machine
Reason, although the developing history of existing last 100 yearses, but its version is substantially similar.
China initially introduces vertical mill, is mainly used in the grinding of the materials such as the cement slurry of cement industry, raw coal, Gypsum Fibrosum,
Due to the superiority of its high yield and low cost, ball mill is replaced gradually in the status of cement industry.The multi-functional and energy-conservation of vertical mill
The fields such as the characteristic adaptation development of multiple industries, slag, slag, as these materials have certain moisture, in powder
Need additionally to be passed through hot blast during mill above material, there is the combined grinding of dry and wet material, the easy bonding of dry and wet material in mill
It is agglomerating, it will usually to affect the grinding efficiency of grinding machine.
Knowable to the principle of vertical mill, through grinding material by wind band to Vertical Mill at the top of powder concentrator carry out selecting powder, it is qualified
Fine powder goes out mill with air-flow and is collected as finished product by dust-precipitator, underproof coarse powder by after rotor of powder separator impact because gravitational settling falls into
Ash bucket, finally drops down onto mill central authorities, with the new water-containing materials for feeding again by grinding.Powder fineness returned more carefully and due to sedimentation
It is oven-dried, easily causes with the water-containing materials of new feeding that bonding is agglomerating, or even because the hydration characteristics for returning powder cause solidification to lump, most
Cause migration velocity of the material on mill slack-off eventually, thickness of feed layer change fluctuation greatly, causes grinding machine vibration big, have impact on grinding machine
Grinding efficiency and operational stability.
The content of the invention
The invention aims to bed of material shakiness affects mill grinding efficiency caused by reducing returning powder because of vertical mill ash bucket
Realistic problem, the present invention devises the stable bed of material device that a kind of vertical mill ash bucket returns powder, the device for detachable, design
Simply, simple installation, easily operates.
To achieve these goals, the technical solution used in the present invention is：
A kind of detachable vertical mill ash bucket returns the stable bed of material device of powder, including the collection located at vertical mill ash bucket emission of baiting chute bottom
Ash bucket, flue-dust retainer upper end open shape are identical with vertical mill ash bucket emission of baiting chute bottom, flue-dust retainer upper end open size be more than or
Equal to vertical mill ash bucket emission of baiting chute bottom opening, described flue-dust retainer is welded with vertical mill ash bucket emission of baiting chute, in flue-dust retainer
Lower end both sides symmetrically offer hole slot, at two hole slots are welded with water conservancy diversion elephant trunk respectively.
Open assembly reduces tapered structure to described flue-dust retainer from top to bottom.
Water conservancy diversion elephant trunk lower end by flange it is detachable be connected with cloth elephant trunk, cloth elephant trunk lower end extends to grinding roller
Grind material position of center line.
Hanger is connected with cloth elephant trunk, support is connected between hanger and the housing of vertical mill.
The discharging end face distance mill upper level difference of described cloth elephant trunk is the arbitrary number between 150mm-200mm
Value.
The distance between described cloth elephant trunk and grinding roller are any value between 50mm-100mm.
Beneficial effects of the present invention：By designing a detachable water conservancy diversion distribution device in vertical mill hopper bottom, draw
Lead ash bucket feed back and slip to grinding roller to nibble and expect on centrage so that return powder and ground in time, stabilize the mill bed of material, improve grinding
Efficiency and yield rate.
Description of the drawings
Fig. 1 is the structural representation of the present invention；
Fig. 2 is the plane graph of the present invention.
Specific embodiment
With reference to embodiment, the present invention will be further described.
Embodiment
A kind of detachable vertical mill ash bucket as depicted in figs. 1 and 2 returns the stable bed of material device of powder, including located at vertical mill
The flue-dust retainer 1 of ash bucket emission of baiting chute bottom, 1 upper end open shape of flue-dust retainer are identical with vertical mill ash bucket emission of baiting chute bottom, collection
Ash bucket upper end open size is more than or equal to vertical mill ash bucket emission of baiting chute bottom opening, described flue-dust retainer and vertical mill ash bucket
Emission of baiting chute is welded, and is symmetrically offered hole slot in flue-dust retainer lower end both sides, is welded with water conservancy diversion elephant trunk 2 respectively at two hole slots.Institute
Open assembly reduces tapered structure to the flue-dust retainer stated from top to bottom.In water conservancy diversion elephant trunk lower end by the detachable company of flange 3
Cloth elephant trunk 4 is connected to, cloth elephant trunk lower end extends to grinding roller 7 and grinds material position of center line.Hanger is connected with cloth elephant trunk,
Support 5 is connected between hanger and the housing of vertical mill.6 upper level of discharging end face distance mill of described cloth elephant trunk
Difference is any value between 150mm-200mm.The distance between described cloth elephant trunk and grinding roller 7 are between 50mm-100mm
Any value.
In water-containing materials such as grinding slag, slags, grinding machine top is blown to by hot blast through the grinding outer fine powder for overflowing mill 6
Portion's powder concentrator is sorted, and qualified fine powder goes out mill with air-flow and is collected as finished product, after underproof coarse powder is impacted by rotor of powder separator
Because gravitational settling falls into ash bucket, Jing ash bucket emission of baiting chute comes together in taper flue-dust retainer 1, has water conservancy diversion elephant trunk in its both sides symmetric design
2, by guide functions, the cloth elephant trunk 4 connected via flange 2 slips nibbling on material centrage, with the mill for rotating to grinding roller 7
6 by 7 bottom of engaging-in grinding roller, obtains high pressure abrasive in time, lifts yield rate.Meanwhile, weld on the rational position of cloth elephant trunk 4
Hanger, for installing bracing frame 5, its form can play the guarantor to cloth elephant trunk 4 using reinforcement welding on grinding machine inner shell
Shield and supporting role.This invention can not only effectively prevent vertical mill ash bucket time powder and the bonding in bulk of new feeding water-containing materials from asking
Topic, it is also stable beneficial to the mill bed of material is ensured, lift grinding efficiency and yield rate.
Ultimate principle, principal character and the advantages of the present invention of the present invention has been shown and described above.The technology of the industry
Personnel it should be appreciated that the present invention is not restricted to the described embodiments, the simply explanation described in above-described embodiment and description this
The principle of invention, without departing from the spirit and scope of the present invention, the simple change of those ordinary skill in the art
All it is within protection scope of the present invention with replacing.
Claims (6)
1. a kind of detachable vertical mill ash bucket returns the stable bed of material device of powder, it is characterised in that：Including under vertical mill ash bucket
The flue-dust retainer of material elephant trunk bottom, flue-dust retainer upper end open shape are identical with vertical mill ash bucket emission of baiting chute bottom, flue-dust retainer upper end
Openings of sizes is more than or equal to vertical mill ash bucket emission of baiting chute bottom opening, described flue-dust retainer and vertical mill ash bucket emission of baiting chute
Welding, symmetrically offers hole slot in flue-dust retainer lower end both sides, is welded with water conservancy diversion elephant trunk respectively at two hole slots.
2. a kind of detachable vertical mill ash bucket according to claim 1 returns the stable bed of material device of powder, it is characterised in that：Institute
Open assembly reduces tapered structure to the flue-dust retainer stated from top to bottom.
3. a kind of detachable vertical mill ash bucket according to claim 1 and 2 returns the stable bed of material device of powder, and its feature exists
In：Water conservancy diversion elephant trunk lower end by flange it is detachable be connected with cloth elephant trunk, cloth elephant trunk lower end extends to grinding roller and grinds material
Position of center line.
4. a kind of detachable vertical mill ash bucket according to claim 3 returns the stable bed of material device of powder, it is characterised in that：
Hanger is connected with cloth elephant trunk, support is connected between hanger and the housing of vertical mill.
5. a kind of detachable vertical mill ash bucket according to claim 3 returns the stable bed of material device of powder, it is characterised in that：Institute
The discharging end face distance mill upper level difference of the cloth elephant trunk stated is any value between 150mm-200mm.
6. a kind of detachable vertical mill ash bucket according to claim 3 returns the stable bed of material device of powder, it is characterised in that：Institute
The distance between the cloth elephant trunk stated and grinding roller are any value between 50mm-100mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610682081.7A CN106563530A (en) | 2016-08-17 | 2016-08-17 | A detachable material layer stabilizing device for powder returning for a vertical type ash grinding hopper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610682081.7A CN106563530A (en) | 2016-08-17 | 2016-08-17 | A detachable material layer stabilizing device for powder returning for a vertical type ash grinding hopper |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106563530A true CN106563530A (en) | 2017-04-19 |
Family
ID=58532287
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610682081.7A Pending CN106563530A (en) | 2016-08-17 | 2016-08-17 | A detachable material layer stabilizing device for powder returning for a vertical type ash grinding hopper |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106563530A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DD248751A1 (en) * | 1986-05-07 | 1987-08-19 | Dessau Zementanlagenbau Veb | METHOD AND DEVICE FOR INCREASING THE PERFORMANCE AND ENERGY SAVING IN ROLLING MILLS |
| CN101637738A (en) * | 2008-07-31 | 2010-02-03 | 华新水泥股份有限公司 | Distributed-feeding high-efficiency vertical mill |
| JP2010149052A (en) * | 2008-12-25 | 2010-07-08 | Ihi Corp | Vertical mill |
| CN202366778U (en) * | 2011-12-07 | 2012-08-08 | 包钢集团机械设备制造有限公司 | Vertical mill feeding auxiliary device |
| CN203108615U (en) * | 2012-11-25 | 2013-08-07 | 合肥中亚建材装备有限责任公司 | Feeding device of vertical mill |
| CN104437757A (en) * | 2014-09-23 | 2015-03-25 | 南京凯盛国际工程有限公司 | Pre-grinding vertical mill |
| CN104874445A (en) * | 2015-06-10 | 2015-09-02 | 天津水泥工业设计研究院有限公司 | Graded milling process of vertical roller grinder |
| CN205966032U (en) * | 2016-08-17 | 2017-02-22 | 合肥中亚建材装备有限责任公司 | That can dismantle that vertical roller mill ash bucket returns powder stablizes bed of material device |
-
2016
- 2016-08-17 CN CN201610682081.7A patent/CN106563530A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DD248751A1 (en) * | 1986-05-07 | 1987-08-19 | Dessau Zementanlagenbau Veb | METHOD AND DEVICE FOR INCREASING THE PERFORMANCE AND ENERGY SAVING IN ROLLING MILLS |
| CN101637738A (en) * | 2008-07-31 | 2010-02-03 | 华新水泥股份有限公司 | Distributed-feeding high-efficiency vertical mill |
| JP2010149052A (en) * | 2008-12-25 | 2010-07-08 | Ihi Corp | Vertical mill |
| CN202366778U (en) * | 2011-12-07 | 2012-08-08 | 包钢集团机械设备制造有限公司 | Vertical mill feeding auxiliary device |
| CN203108615U (en) * | 2012-11-25 | 2013-08-07 | 合肥中亚建材装备有限责任公司 | Feeding device of vertical mill |
| CN104437757A (en) * | 2014-09-23 | 2015-03-25 | 南京凯盛国际工程有限公司 | Pre-grinding vertical mill |
| CN104874445A (en) * | 2015-06-10 | 2015-09-02 | 天津水泥工业设计研究院有限公司 | Graded milling process of vertical roller grinder |
| CN205966032U (en) * | 2016-08-17 | 2017-02-22 | 合肥中亚建材装备有限责任公司 | That can dismantle that vertical roller mill ash bucket returns powder stablizes bed of material device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170419 |
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| RJ01 | Rejection of invention patent application after publication |