CN202356149U - Repeatedly-sorting-type efficient cement vertical mill - Google Patents
Repeatedly-sorting-type efficient cement vertical mill Download PDFInfo
- Publication number
- CN202356149U CN202356149U CN2011204659575U CN201120465957U CN202356149U CN 202356149 U CN202356149 U CN 202356149U CN 2011204659575 U CN2011204659575 U CN 2011204659575U CN 201120465957 U CN201120465957 U CN 201120465957U CN 202356149 U CN202356149 U CN 202356149U
- Authority
- CN
- China
- Prior art keywords
- vertical mill
- wear
- resisting
- powder
- sorting
- 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.)
- Withdrawn - After Issue
Links
Images
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P40/00—Technologies relating to the processing of minerals
- Y02P40/10—Production of cement, e.g. improving or optimising the production methods; Cement grinding
Landscapes
- Crushing And Grinding (AREA)
- Disintegrating Or Milling (AREA)
- Combined Means For Separation Of Solids (AREA)
Abstract
The utility model relates to a repeatedly-sorting-type efficient cement vertical mill which is mainly characterized in that a circle of crude and fine powder pre-sorting devices are additionally arranged on the basis of the existing cement vertical mill, each crude and fine powder pre-sorting device consists of a labyrinth non-leakage wear-resistant grate plate, an air chamber and an air inlet pipe, crude and fine powder presorting can be firstly carried out on materials crossing a material blocking ring, then a nozzle ring is used for sorting, the pre-sorted fine powder at the upper layer is more easily carried by upward high-speed airflow sprayed from the nozzle ring to enter a powder sorter, the crude powder at the lower layer smoothly enters into a crude material bin through the nozzle ring, so that the defects that in the existing vertical mill, part of crude powder is sent to the powder sorter by air, part of fine powder enters an outside loop to return to the center of a millstone for continuous grinding can be eliminated, and the grinding efficiency of the vertical mill is greatly increased. The vertical mill has the advantages of being more reasonable in design, high in grinding efficiency and lower in energy consumption, and the like.
Description
Technical field
The utility model relates to a kind of cement vertical mill, and particularly a kind of high-efficiency cement Vertical Mill with twice sorting function belongs to the plant equipment of producing cement.
Background technology
At present; Cement grinding device commonly used has ball milling and Vertical Mill; The percussion of the abrasive body (like steel ball) that the ball milling utilization is fallen and abrasive body are pulverized material with the abrasive action of ball milling inwall and are mixed; A part of material is taken grinding machine out of through mill inner ventilation behind the grinding, and other material is discharged grinding machine through overground tail.Motor drives the mill rotation through reductor during Vertical Mill work; Material is fallen mill central authorities from feed opening; Under action of centrifugal force, move and receive rolling of grinding roller to the mill edge, the material after the pulverizing overflows from the mill edge, is carried out the sorting first time by the air-flow that makes progress at a high speed from nozzle ring (vane) when crossing blocking material ring; Powder is brought to by wind in the powder concentrator on Vertical Mill top and carries out the sorting second time again; Meal after the component selections turns back on the mill from the powder concentrator meal outlet of lower end, and grinding circulates in forming again; Fine powder after the sorting for the second time then upwards goes out mill from the air outlet of powder concentrator upper end with air-flow, under in the dust arrester installation of system, collecting, is product.The coarse granule material that when first time sorting, is not taken up by air-flow sinks to the coarse fodder storehouse from the wind nozzle ring, scraped Vertical Mill by material scraping plate from the coarse fodder slag-drip opening after, feed in the mill grinding once more through the bucket elevator of outer circulation again from spout, form outer circulation.
Vertical Mill adopts material bed grinding principle grinding material, has overcome many defectives of ball mill grinding mechanism, has mill efficiency height, power consumption low (than ball mill economize on electricity 20% ~ 30%); Drying capacity is big, allows mill feed material size big, and grinding process is simple; Floor space is little, and civil engineering costs is low, and noise is low; It is little to wear and tear, and the life-span is long, advantages such as processing ease.But also there is certain shortcoming in the Vertical Mill that uses at present; Relatively more outstanding shortcoming is: because Vertical Mill at work; To finished product conveying and inner cyclic process all is that strength is carried, and it carries the power consumption that produces bigger, so all adopt the method for increasing outer circulation amount to reduce power consumption at present.And the material in the outer circulation be cross blocking material ring material directly after the nozzle ring selection by winnowing and get into the material in coarse fodder storehouse because the fine powder of crossing in the material of blocking material ring is mingled in meal, or even most of meal is last; Most of fine powder is following; Adding the air-flow that the high speed that blows out from nozzle ring makes progress can not be too big, otherwise can more meal be blown into powder concentrator with fine powder, and further increasing energy consumption; So; Obviously have meal and the defective that fine powder can not effectively separate during sorting for the first time, cause the part meal to be delivered to powder concentrator by wind, the part fine powder has got into outer circulation; Send back to mill central authorities again and continue grinding, greatly reduce the mill efficiency of Vertical Mill.
Summary of the invention
The purpose of the utility model is in order to overcome the lower weak point of above-mentioned existing cement vertical mill mill efficiency; Design a kind of ability and will cross the choosing of presorting that the material of blocking material ring carries out a thickness powder separation earlier; Carry out sorting through nozzle ring again; Make the fine powder of presorting choosing back and being in the upper strata taken up the entering powder concentrator by the air-flow that the high speed of nozzle ring ejection makes progress more easily, the structural design that the meal of lower floor then gets into the coarse fodder storehouse from nozzle ring smoothly more rationally, mill efficiency is high and repeatedly sorting type high-efficiency cement Vertical Mill that energy consumption is lower.
The repeatedly sorting type high-efficiency cement Vertical Mill of the utility model mainly is on the basis of twice sorting of existing cement vertical mill, increases the choosing of presorting that thickness powder separates.Its structure comprises mainly on the basis of the cement vertical mill of being made up of powder concentrator, grinding roller, mill, blocking material ring, nozzle ring, coarse fodder storehouse, coarse fodder slag-drip opening, Vertical Mill air inlet, air outlet and reductor; Have additional the screening device of presorting of a circle thickness powder separation; Said thickness powder separates presorts screening device and comprises that labyrinth type do not have the material of leakage wear-resisting comb plate, air compartment and blast pipe; Wherein, Labyrinth type does not have the wear-resisting comb plate of the material of leakage and is installed on the air compartment, and labyrinth type does not have the inner side edge of the wear-resisting comb plate of leakage material by on the outer side edges that is contained in blocking material ring, and labyrinth type does not have the downward-sloping top that is installed in nozzle ring of outer side edges of leaking the wear-resisting comb plate of material; Blast pipe one end is communicated with air compartment, and the blast pipe other end stretches out Vertical Mill and is connected with the air feed pipe.
It is that jagged upward shaped as frame wear-resisting steel plate and upper brim are that the mutual snapping of jagged lower frame wear-resisting steel plate forms by the end opening limit that above-mentioned labyrinth type does not have the wear-resisting comb plate of the material of leakage.
The jagsaw teeth directional blows out from comb plate below for the ease of the wind in the air compartment, spills under the powder jagsaw teeth directional of the plate top that can prevent again to comb, and it is square sawtooth that said labyrinth type does not have the sawtooth that leaks on the wear-resisting comb plate of material, and tooth depth equals 1/3～2/3 of frame height.
Flow to nozzle ring for the ease of material from blocking material ring, said labyrinth type does not have the downward-sloping angle of the wear-resisting comb plate of the material of leakage and elects 5～20 degree as.
The repeatedly sorting type high-efficiency cement Vertical Mill of the utility model; Presort screening device owing between blocking material ring and nozzle ring, set up a circle thickness powder; Can will cross the material of blocking material ring carry out the choosing of presorting that thickness powder separates earlier, carry out sorting through nozzle ring again, make the fine powder of presorting the choosing back and being in the upper strata taken up the entering powder concentrator by the air-flow that the high speed of nozzle ring ejection makes progress more easily; The meal of lower floor then gets into the coarse fodder storehouse from nozzle ring smoothly; Solved existing Vertical Mill and existed the part meal to be delivered to powder concentrator by wind, the part fine powder has got into outer circulation and has got back to the defective that mill central authorities continue grinding, has improved the mill efficiency of Vertical Mill greatly.Have structural design more rationally, mill efficiency is high and energy consumption is lower etc. advantage.
Description of drawings
Fig. 1 is the structural representation of the utility model;
Among the figure 1 is air outlet, the 2nd, and powder concentrator, the 3rd, spout, the 4th, Vertical Mill outer cylinder body, the 5th, the outlet of powder concentrator coarse fodder; The 6th, powder concentrator import, the 7th, grinding roller, the 8th, mill liner plate, the 9th, mill, the 10th, blocking material ring; The 11st, labyrinth type does not have the material of leakage comb plate, the 12nd, air compartment, the 13rd, nozzle ring, the 14th, coarse fodder storehouse, the 15th, material scraping plate; The 16th, the Vertical Mill air inlet, the 17th, the coarse fodder slag-drip opening, the 18th, blast pipe, the 19th, reductor, the 20th, labyrinth type does not have and leaks the material comb plate oblique angle that dips down.
Fig. 2 is the structural representation that the nothing among Fig. 1 is leaked material comb plate.
11-1 among the figure is that the end opening limit is the jagged shaped as frame wear-resisting steel plate of going up, and 11-2 is that upper brim is jagged lower frame wear-resisting steel plate, and 11-3 is a sawtooth of going up shaped as frame wear-resisting steel plate end opening limit, and 11-4 is the sawtooth of lower frame wear-resisting steel plate upper brim.
The specific embodiment
Referring to accompanying drawing 1; The repeatedly sorting type high-efficiency cement Vertical Mill of the utility model; Comprise mainly on the basis of the cement vertical mill of forming by powder concentrator 2, grinding roller 7, mill 9, blocking material ring 10, nozzle ring 13, coarse fodder storehouse 14, coarse fodder slag-drip opening 17, Vertical Mill air inlet 16, air outlet 1 and reductor 19; Have additional the screening device of presorting of a circle thickness powder separation; Said thickness powder separates presorts screening device and comprises that labyrinth type do not have the wear-resisting comb plate of the material of leakage 11, air compartment 12 and blast pipe 18, and wherein, labyrinth type does not have the wear-resisting comb plate 11 of the material of leakage and is installed on the air compartment 12; Labyrinth type does not have the inner side edge of the wear-resisting comb plate 11 of leakage material by on the outer side edges that is contained in blocking material ring 10; Labyrinth type does not have the downward-sloping top that is installed in nozzle ring 13 of outer side edges of leaking the wear-resisting comb plate 11 of material, and blast pipe 18 1 ends are communicated with air compartment 12, and blast pipe 18 other ends stretch out Vertical Mill cylindrical shell 4 and are connected with the air feed pipe.
It is that jagged shaped as frame wear-resisting steel plate 11-1 of going up and upper brim are that the mutual snapping of jagged lower frame wear-resisting steel plate 11-2 forms by the end opening limit that above-mentioned labyrinth type does not have the wear-resisting comb plate 11 of the material of leakage.Its structure is as shown in Figure 2.
The jagsaw teeth directional blows out from comb plate below for the ease of the wind in the air compartment; Can prevent again to comb and spill under the powder jagsaw teeth directional of plate top; It is square sawtooth that said labyrinth type does not have the sawtooth 11-3 and the 11-4 that leak on the wear-resisting comb plate of material, and tooth depth equals 1/3～2/3 of frame height.
Flow to nozzle ring 13 for the ease of material from blocking material ring 10, said labyrinth type does not have the wear-resisting comb plate 11 downward-sloping angles 20 of the material of leakage and elects 5～20 degree as.
During work, material arrives the middle part of mill liner plate 8 by 3 feedings of Vertical Mill spout; Mill 9 rotates mills the material whipping through grinding roller 7, the material after milling is blocked by blocking material ring 10, after material arrives certain altitude, just can cross blocking material ring; Material is crossed the labyrinth type of blocking material ring 10 back arrival thickness powder separators does not have the material of leakage comb plate 11, and in through the process of not having leakage material comb plate 11, material receives not having and leak the wind that material comb plate blows out from the sawtooth gap; Do not have leakage material comb plate 11 surfaces in labyrinth type and form stable air-flow; Make material not have the material of leakage comb plate 11 surfaces in labyrinth type and formed tangible size separation, and produce gravitational separation, the quilt of light fines blows afloat on the upper strata; Heavier coarse fodder then is deposited in lower floor; Do not have the material of having accomplished layering when leaking material comb plate and get into nozzle ring 13 subsequently leaving labyrinth type, the upper strata fines that the high speed winds of nozzle ring 13 rapidly will be lighter blows afloat and brings into the powder concentrator import 6 of Vertical Mill top, and heavier coarse fodder then falls into coarse fodder storehouse 14; The material that gets into powder concentrator 2 is after selecting powder once more; Thin lighter material becomes finished product through 1 output of grinding machine air outlet with the wind; Thick heavier material is deposited in the powder concentrator and from the middle part that powder concentrator coarse fodder outlet 5 comes back to mill liner plate 8 and carries out grinding once more, forms the interior circulation of repeatedly sorting.The material that falls into coarse fodder storehouse 14 is scraped to Vertical Mill meal slag-drip opening 17 by material scraping plate 15 and is discharged Vertical Mills, and the lifting device through the outside is promoted to 3 feedings of Vertical Mill spout and forms outer circulation.
Claims (4)
1. sorting type high-efficiency cement Vertical Mill repeatedly; Comprise the cement vertical mill of mainly forming by powder concentrator, grinding roller, mill, blocking material ring, nozzle ring, coarse fodder storehouse, coarse fodder slag-drip opening, Vertical Mill air inlet, air outlet and reductor; It is characterized in that having additional the screening device of presorting of a circle thickness powder separation; Said thickness powder separates presorts screening device and comprises that labyrinth type do not have the material of leakage wear-resisting comb plate, air compartment and blast pipe, and wherein, labyrinth type does not have the wear-resisting comb plate of the material of leakage and is installed on the air compartment; Labyrinth type does not have the inner side edge of the wear-resisting comb plate of leakage material by on the outer side edges that is contained in blocking material ring; Labyrinth type does not have the downward-sloping top that is installed in nozzle ring of outer side edges of leaking the wear-resisting comb plate of material, and blast pipe one end is communicated with air compartment, and the blast pipe other end stretches out Vertical Mill and is connected with the air feed pipe.
2. repeatedly sorting type high-efficiency cement Vertical Mill as claimed in claim 1 is characterized in that it is that jagged upward shaped as frame wear-resisting steel plate and upper brim are that the mutual snapping of jagged lower frame wear-resisting steel plate forms by the end opening limit that said labyrinth type does not have the wear-resisting comb plate of the material of leakage.
3. repeatedly sorting type high-efficiency cement Vertical Mill as claimed in claim 2 is characterized in that it is square sawtooth that said labyrinth type does not have the sawtooth that leaks on the wear-resisting comb plate of material, and tooth depth equals 1/3～2/3 of frame height.
4. like claim 1 or 2 or 3 described repeatedly sorting type high-efficiency cement Vertical Mills, it is characterized in that it is 5～20 degree that said labyrinth type does not have the downward-sloping angle of the wear-resisting comb plate of the material of leakage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204659575U CN202356149U (en) | 2011-11-22 | 2011-11-22 | Repeatedly-sorting-type efficient cement vertical mill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204659575U CN202356149U (en) | 2011-11-22 | 2011-11-22 | Repeatedly-sorting-type efficient cement vertical mill |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202356149U true CN202356149U (en) | 2012-08-01 |
Family
ID=46567367
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204659575U Withdrawn - After Issue CN202356149U (en) | 2011-11-22 | 2011-11-22 | Repeatedly-sorting-type efficient cement vertical mill |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202356149U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102389852A (en) * | 2011-11-22 | 2012-03-28 | 江苏羚羊水泥工程技术有限公司 | Multitime-separation high-efficient cement vertical mill |
| CN102909114A (en) * | 2012-09-11 | 2013-02-06 | 新兴能源装备股份有限公司 | Vertical type mineral powder dry mill |
| CN103285975A (en) * | 2013-05-22 | 2013-09-11 | 江苏新业重工股份有限公司 | Vertical type grinder |
| CN110614145A (en) * | 2018-06-20 | 2019-12-27 | 尧柏特种水泥技术研发有限公司 | Vertical mill system and method for producing oil well cement |
| US11517913B2 (en) | 2017-12-04 | 2022-12-06 | Goldcorp Inc. | Low energy process for metal extraction |
-
2011
- 2011-11-22 CN CN2011204659575U patent/CN202356149U/en not_active Withdrawn - After Issue
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102389852A (en) * | 2011-11-22 | 2012-03-28 | 江苏羚羊水泥工程技术有限公司 | Multitime-separation high-efficient cement vertical mill |
| CN102389852B (en) * | 2011-11-22 | 2013-10-02 | 江苏羚羊水泥工程技术有限公司 | Multitime-separation high-efficient cement vertical mill |
| CN102909114A (en) * | 2012-09-11 | 2013-02-06 | 新兴能源装备股份有限公司 | Vertical type mineral powder dry mill |
| CN103285975A (en) * | 2013-05-22 | 2013-09-11 | 江苏新业重工股份有限公司 | Vertical type grinder |
| US11517913B2 (en) | 2017-12-04 | 2022-12-06 | Goldcorp Inc. | Low energy process for metal extraction |
| CN110614145A (en) * | 2018-06-20 | 2019-12-27 | 尧柏特种水泥技术研发有限公司 | Vertical mill system and method for producing oil well cement |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102389852B (en) | Multitime-separation high-efficient cement vertical mill | |
| CN202356149U (en) | Repeatedly-sorting-type efficient cement vertical mill | |
| CN209049527U (en) | A kind of environmental protection building fine work Zhi Sha station system | |
| CN202061814U (en) | Combined split sand selecting machine | |
| CN104984911B (en) | A kind of rotor type powder sorter | |
| CN105080698B (en) | Use the grinding process of vertical roller grinder system | |
| CN101862699B (en) | Semi-finished pre-grinding vertical-milling and ball-milling combined grinding device | |
| CN209109277U (en) | A kind of pre-separation bypass wind roller type vertical mill | |
| CN102485352A (en) | Composite separated type sand separation method and sand separation machine | |
| CN102485354A (en) | Composite split type sand selection machine | |
| CN104226464A (en) | Comprehensive utilization method of metal tailing sand | |
| CN101863466B (en) | Automatic spheroidization device for producing spherical graphite | |
| CN113953065B (en) | Combined grinding system with pre-grinding equipment | |
| CN201768603U (en) | Semi-finished pre-grinding vertical mill and ball mill combined grinding device | |
| CN110732382A (en) | machine-made sand vertical mill and production process system thereof | |
| CN111215220A (en) | Production process system for producing multi-product machine-made sand | |
| CN212285250U (en) | Novel construction waste crushing and classifying device | |
| CN202700631U (en) | Vertical centrifugal jigging machine | |
| CN110711639B (en) | Artificial sand manufacturing process and device | |
| CN104043592A (en) | Novel double-transmission environment-friendly high-efficiency sorting machine | |
| CN111822129A (en) | Iron ore dry grinding and dressing device and process | |
| CN209302870U (en) | A kind of spreading is evenly distributed with the roller type vertical mill of spout ring | |
| CN110756326A (en) | Combined powder concentrator for producing multi-product machine-made sand | |
| CN109127086A (en) | A kind of environmental protection building fine work Zhi Sha station system | |
| CN203917150U (en) | Novel pair of transmission environment protection energy-saving efficient separator |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20120801 Effective date of abandoning: 20131002 |
|
| RGAV | Abandon patent right to avoid regrant |