CN2844080Y - Chamber-separated mineral-feeder - Google Patents
Chamber-separated mineral-feeder Download PDFInfo
- Publication number
- CN2844080Y CN2844080Y CN 200520124397 CN200520124397U CN2844080Y CN 2844080 Y CN2844080 Y CN 2844080Y CN 200520124397 CN200520124397 CN 200520124397 CN 200520124397 U CN200520124397 U CN 200520124397U CN 2844080 Y CN2844080 Y CN 2844080Y
- Authority
- CN
- China
- Prior art keywords
- feed
- cylinder
- utility
- model
- ore
- 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 - Lifetime
Links
- 239000000463 material Substances 0.000 claims description 45
- 238000004140 cleaning Methods 0.000 claims description 12
- 238000007599 discharging Methods 0.000 claims description 10
- 238000000227 grinding Methods 0.000 abstract description 24
- 238000004519 manufacturing process Methods 0.000 abstract description 13
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 abstract description 11
- 238000006243 chemical reaction Methods 0.000 abstract description 6
- 238000005245 sintering Methods 0.000 abstract description 6
- 238000000034 method Methods 0.000 abstract description 5
- 238000001238 wet grinding Methods 0.000 abstract description 3
- 238000004090 dissolution Methods 0.000 abstract description 2
- 239000007788 liquid Substances 0.000 description 10
- ANBBXQWFNXMHLD-UHFFFAOYSA-N aluminum;sodium;oxygen(2-) Chemical compound [O-2].[O-2].[Na+].[Al+3] ANBBXQWFNXMHLD-UHFFFAOYSA-N 0.000 description 4
- 239000010687 lubricating oil Substances 0.000 description 4
- 239000003921 oil Substances 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 229910001388 sodium aluminate Inorganic materials 0.000 description 4
- 206010039509 Scab Diseases 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 239000003513 alkali Substances 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 239000011575 calcium Substances 0.000 description 2
- 229910052791 calcium Inorganic materials 0.000 description 2
- JHLNERQLKQQLRZ-UHFFFAOYSA-N calcium silicate Chemical compound [Ca+2].[Ca+2].[O-][Si]([O-])([O-])[O-] JHLNERQLKQQLRZ-UHFFFAOYSA-N 0.000 description 2
- 229910052918 calcium silicate Inorganic materials 0.000 description 2
- 235000012241 calcium silicate Nutrition 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000002386 leaching Methods 0.000 description 2
- 238000010517 secondary reaction Methods 0.000 description 2
- 238000007086 side reaction Methods 0.000 description 2
- 239000011734 sodium Substances 0.000 description 2
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- 230000005856 abnormality Effects 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 229910000859 α-Fe Inorganic materials 0.000 description 1
Images
Abstract
The utility model relates to a bin separated type ore feeder. A front and a back side plates of a shell body are respectively provided with a feed inlet and a discharge port. The utility model is characterized in that a cavity of the shell body is split into a feed bin and a feed guiding bin by a feed separating plate in the shell body; feed through holes are distributed on the circumference of the feed separating plate; the center of the feed guiding bin is provided with a cylinder which is communicated with a discharge port at axial direction; a spiral feed guiding plate is arranged between the cylinder of the feed guiding bin and the shell body; the cylinder at the inner side of the spiral feed guiding plate is provided with feed passing opening. The utility model has artful and reasonable structure, can cause larger agglomerate clinkers to enter, causes ore in grinding mills to keep higher ore level, can cause the ore which enters the ore feeder not to flow out, eases the labor intensity of workers, avoids the pollution, increases the feeding capacity and enhances the productivity. The utility model is mainly used in dissolution reaction process of the clinker in sintering method alumina production, and can be applied to the wet grinding application field similarly.
Description
Technical field
The utility model relates to a kind of improved ore feeder, is mainly used in the stripping reaction process of grog in the alumina by sintering production.
Background technology
At present, aluminium oxide output is more and more higher, and is also high more to the requirement of equipment unit production capacity, the grinding machine production capacity can't be increased substantially in cleaning and operation merely.Sintering process through the development of nearly half a century, has had core---the preparation of raw material, the sintering of grog of very big progress, especially sintering process since entering aluminum industry in China, ideogenetic transformation has taken place especially.The grog prescription is progressively developed the two unsaturated prescription of high-alkali low calcium up till now by well-known low alkali high-calcium formula, the grog grade rises to present 37-38% by 32-33%, great variation has taken place in the hardness of grog and dissolution velocity, on the grinding machine production capacity, just show the grainding capacity surplus, the input and output material ability also can be by the pump type more bring lifting, the spoon formula ore feeder that advances larger particles grog and solution only becomes the bottleneck that whole grinding machine is carried product, during whole stripping operation use for the management of workman's maintenance, equipment to have brought huge difficulty.
In the stripping wet-milling, feed adopts traditional spoon formula ore feeder always, grog and adjustment liquid are mixed into exit skirt, rotate in the mill with grinding machine by ore feeder, a part of material blows back in the half slot simultaneously, enter in the mill through the spoon head, the ore feeder liquid level is the same high with the inner liquid level of grinding machine substantially, make that the interior liquid level of grinding machine is lower, the inventory in the feeding grinding machine is limited, has limited the raising of grinding machine production capacity, and leak more serious, cause working strength of workers big, in addition, partial material flows backwards from the spoon head and enters half slot, the material that half slot overflows enters bottom, lubricated place, then enter oil return pipe pollution lubricating oil, because oil is polluted the lubricating oil at the station of need repeatedly more changing oil, trouble, increase auxilliary material consumption.
Summary of the invention
The purpose of this utility model is to provide a kind of partitioned compartment type ore feeder, can advance the larger particles grog, improves ore feeder and grinding machine liquid level, improves production capacity, and complete closed is avoided polluting.
Partitioned compartment type ore feeder described in the utility model, be respectively equipped with inlet point and discharging opening on the front and back side plate of housing, it is characterized in that having in the housing material baffle that the housing cavity is divided into feeding warehouse and guide storehouse, be distributed with the charging through hole on the periphery of material baffle, the center in guide storehouse is provided with cylinder, Cylindorical rod is provided with the spiral stock guide to communicating with discharging opening between cylinder and the housing in the guide storehouse, the cylinder of spiral stock guide inboard is provided with material hole.
The utility model feeding-passage can advance big grog, and the setting of material baffle is arranged, and can promote the charging liquid level of material, utilizes Power of Spin and high liquid level (HLL) from pressing material to be entered in the grinding machine, and liquid level improves, and can improve inlet amount, increases production capacity.And, stopped the batch turning problem of grinding machine, alleviated working strength of workers, avoided from the source carrying product and having created condition because the grinding machine batch turning to the pollution of big watt of lubricating oil of stripping mill, is all given from external conditions and equipment itself.Owing to removed half slot and ore feeder cover, the partitioned compartment type ore feeder volume reduces.
In alumina producing, it is to use rare sodium aluminate solution to carry out stripping the sodium aluminate in the alumina clinker, sodium ferrite that grog stripping operation mainly acts on, as much as possible useful composition is all entered solution, and calcium orthosilicate is because water insoluble, should all enter in the red mud in theory, but in process in leaching, a series of chemical reaction can take place with sodium aluminate solution in calcium orthosilicate, makes the Al of stripping
2O
3, Na
2O, some is transferred to again in the red mud and loses again.These reactions are called secondary reaction or side reaction, and these reactions are major causes that grog stripping and follow-up operation scab and produce, and reducing red mud and solution area of contact and time is the key that reduces the secondary reaction loss.
After adopting partitioned compartment type ore feeder, separate unit grinding machine liquid measure increases greatly, under whole grinder system total volume unmodified situation, significantly reduce the contact time of red mud and solution, reduces the side reaction loss of process in leaching, the speed that scabs of having slowed down equipment, reduce the cleaning work amount, optimized index.
In the utility model:
The spiral stock guide upwards can be evenly equipped with several in week, and 2-5, three optimums.
Charging via design on the material baffle in the inboard that is positioned at the spiral stock guide, is convenient to guide and is carried, form feeding-passage with the spiral stock guide.
Other the establishing of the side of charging through hole carried flitch in feeding warehouse, forces defeated material by carrying flitch, further improves defeated material performance.From the flitch of carrying of feeding warehouse, to the cylinder material hole, form the osed top feeding-passage through the spiral stock guide.
On housing, establish cleaning eye, easy cleaning and maintenance, maintenance.
During application, the utility model partitioned compartment type ore feeder inlet point connects blanking device, and discharging opening connects the grinding machine inlet point.The feeding warehouse inlet point is aimed in skirt-type blanking chamber, material enters feeding warehouse, under the grinding machine rotary power, enters the guide storehouse by carrying flitch lifting material thereupon, need the material of stripping to introduce discharging opening, import in the grinding machine thus by the material hole of spiral stock guide on cylinder.
The utility model partitioned compartment type ore feeder confirms through actual industrial operation back:
The first, performance the most significantly is exactly that inlet amount significantly promotes, by original 320m
3/ h brings up to 480m
3More than/the h, put forward the product amplitude up to more than 50%.Produce obviously owing to carry, material flow is accelerated in the stripping pipeline, and the inner-walls of duct speed of scabbing is slowed down, cleaning cycle from before extended to more than 180 days in 120 days, reduced cleaning up cost.
The second, after the stripping mill is all transformed the use partitioned compartment type ore feeder, do not take place because of the undesirable caused material from leakage of ore feeder feeding, material did not more take place pollute big watt of lubricated oil condition of grinding machine, this gives and stablizes stripping wet-milling operation, improves system's operation factor and has created strong condition.
Three, come into operation after, the various technic indexs of stripping operation are normal.Sodium aluminate solution concentration is fully within range of control, and molten index brings up to 94.3% from original 94.1% than promoting to some extent in the past at the beginning of one section, has improved the output capacity of grog effectively.
Four, after each mill all uses one-period, there is not any abnormality.
A collection of industrial operating data data is as follows:
(1) produce more than 30% owing to list grinds to carry, from original " three are ground two little mills greatly " balanced production " three are ground greatly " balanced production till now, the power consumption of two the little mills that stop is 10000Kwh/ day, by 0.46 yuan/degree electricity, 167.9 ten thousand yuan of year saving expenses.
(2) saving cleaning up cost prolongs auxilliary 60 days equipment cleaning cycles of genus of stripping pipeline and mill, and year can be saved 50,000 yuan of cleaning up costs.
(3) year save 180,000 yuan of big watt of lubricating oil and relevant recondition expenses thereof.
Moltenly at the beginning of (4) one sections improved 0.2%, improved the grog output capacity, by producing 800000 tons in aluminium oxide per year, create beneficial result is about 60,000 yuan.
Economic benefit is considerable.
The utility model partitioned compartment type ore feeder structure is ingenious rationally can advance the larger particles grog, the material that enters grinding machine can not flow backwards overflow, improve ore feeder and grinding machine liquid level, alleviated working strength of workers, avoid polluting, can increase inlet amount, improve production capacity, increase the benefit.Be mainly used in the stripping reaction process of grog in the alumina by sintering production, also can be applicable to the similar application field.
Description of drawings
Fig. 1, the utility model one example structure scheme drawing.
A-A schematic cross-section among Fig. 2, Fig. 1.
Among the figure: 1, inlet point 2, front side plate 3, housing 4, feeding warehouse 5, guide storehouse 6, rear quarter panel 7, spiral stock guide 8, cylinder 9, material hole 10, discharging opening 11, carry flitch 12,13, spiral stock guide 14, material baffle 15, cleaning eye 16, carry flitch 17, charging through hole.
The specific embodiment
The utility model is described in further detail in conjunction with the foregoing description accompanying drawing.
As shown in the figure, partitioned compartment type ore feeder described in the utility model, the front and back side plate 2 of housing 3, be respectively equipped with inlet point 1 and discharging opening 10 on 6, there is material baffle 14 that the housing cavity is divided into feeding warehouse 4 and guide storehouse 5 in the housing 3, be evenly equipped with three charging through holes (mark 17 as shown) on the periphery of material baffle 14, the center in guide storehouse 5 is provided with cylinder 8, Cylindorical rod is to communicating with discharging opening 10, be provided with between cylinder 8 and the housing 3 in the guide storehouse 5 and be evenly equipped with spiral stock guide 7,12,13, the inboard cylinder 8 of every spiral stock guide (mark 7 as shown) is provided with material hole (mark 9 as shown), charging through hole on the material baffle 14 (mark 17 as shown) is positioned at the inboard of spiral stock guide (mark 7 as shown), and other being provided with of the side of each charging through hole (mark 17 as shown) carried flitch (mark 16 as shown) in the feeding warehouse 4.Housing 3 is provided with cleaning eye 15, is evenly equipped with three on the circumference.
During application, the discharging opening 10 of the utility model ore feeder is connected with the inlet point of grinding machine, ore feeder rotates with grinding machine.The stripping material enters the ore feeder feeding warehouse from inlet point 1, under the effect of carrying flitch, material is sent into the guide storehouse by the charging through hole on the material baffle.In the guide storehouse, under the effect of spiral stock guide, the material hole of material from cylinder to be sent into the cylinder, material enters in the grinding machine at last by cylinder.
Each inlet point of the utility model partitioned compartment type ore feeder and feeding-passage physical dimension can be done greatlyyer, along with the rotation of ore feeder, carry flitch and spiral stock guide plate can apply application force to material, promote the motion of material, therefore can enter big material.And under the buffer action of material baffle, the material that enters ore feeder can not flow backwards overflow, can increase inlet amount, make the interior material of grinding machine keep improving production capacity than high charge level.
Claims (5)
1, a kind of partitioned compartment type ore feeder, be respectively equipped with inlet point and discharging opening on the front and back side plate of housing, it is characterized in that having in the housing material baffle that the housing cavity is divided into feeding warehouse and guide storehouse, be distributed with the charging through hole on the periphery of material baffle, the center in guide storehouse is provided with cylinder, Cylindorical rod is provided with the spiral stock guide to communicating with discharging opening between cylinder and the housing in the guide storehouse, the cylinder of spiral stock guide inboard is provided with material hole.
2, partitioned compartment type ore feeder according to claim 1 is characterized in that the spiral stock guide upwards is being evenly equipped with three week.
3, partitioned compartment type ore feeder according to claim 1 is characterized in that the charging through hole on the material baffle is positioned at the inboard of spiral stock guide, forms feeding-passage with the spiral stock guide.
4,, it is characterized in that other being provided with of side of charging through hole in the feeding warehouse carried flitch according to claim 1,2 or 3 described partitioned compartment type ore feeders.
5, partitioned compartment type ore feeder according to claim 3 is characterized in that housing is provided with cleaning eye.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520124397 CN2844080Y (en) | 2005-11-09 | 2005-11-09 | Chamber-separated mineral-feeder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520124397 CN2844080Y (en) | 2005-11-09 | 2005-11-09 | Chamber-separated mineral-feeder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2844080Y true CN2844080Y (en) | 2006-12-06 |
Family
ID=37486032
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520124397 Expired - Lifetime CN2844080Y (en) | 2005-11-09 | 2005-11-09 | Chamber-separated mineral-feeder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2844080Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100389053C (en) * | 2005-11-09 | 2008-05-21 | 中国铝业股份有限公司 | Partitioned compartment type ore feeder |
-
2005
- 2005-11-09 CN CN 200520124397 patent/CN2844080Y/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100389053C (en) * | 2005-11-09 | 2008-05-21 | 中国铝业股份有限公司 | Partitioned compartment type ore feeder |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: CHINESE ALUMINIUM CO., LTD. Free format text: FORMER OWNER: SHANDONG ALUMINIUM INDUSTRY CO., LTD. Effective date: 20071026 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20071026 Address after: 100082 No. 62 North Main Street, Beijing, Xizhimen Patentee after: Aluminum Corporation of China Limited Address before: 255052 No. 1, five km road, Zhangdian District, Shandong, Zibo Patentee before: Shandong Aluminium Industry Co., Ltd. |
|
| AV01 | Patent right actively abandoned |
Effective date of abandoning: 20080521 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |